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proxysql/lib/Chart_bundle_js.cpp

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char * Chart_bundle_js_c = (char *) "/*!\n * Chart.js\n * http://chartjs.org/\n * Version: 2.7.1\n *\n * Copyright 2017 Nick Downie\n * Released under the MIT license\n * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n */\n(function(f){if(typeof exports===\"object\"&&typeof module!==\"undefined\"){module.exports=f()}else if(typeof define===\"function\"&&define.amd){define([],f)}else{var g;if(typeof window!==\"undefined\"){g=window}else if(typeof global!==\"undefined\"){g=global}else if(typeof self!==\"undefined\"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n/* MIT license */\nvar colorNames = require(5);\n\nmodule.exports = {\n getRgba: getRgba,\n getHsla: getHsla,\n getRgb: getRgb,\n getHsl: getHsl,\n getHwb: getHwb,\n getAlpha: getAlpha,\n\n hexString: hexString,\n rgbString: rgbString,\n rgbaString: rgbaString,\n percentString: percentString,\n percentaString: percentaString,\n hslString: hslString,\n hslaString: hslaString,\n hwbString: hwbString,\n keyword: keyword\n}\n\nfunction getRgba(string) {\n if (!string) {\n return;\n }\n var abbr = /^#([a-fA-F0-9]{3})$/i,\n hex = /^#([a-fA-F0-9]{6})$/i,\n rgba = /^rgba?\\(\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n per = /^rgba?\\(\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n keyword = /(\\w+)/;\n\n var rgb = [0, 0, 0],\n a = 1,\n match = string.match(abbr);\n if (match) {\n match = match[1];\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = parseInt(match[i] + match[i], 16);\n }\n }\n else if (match = string.match(hex)) {\n match = match[1];\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);\n }\n }\n else if (match = string.match(rgba)) {\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = parseInt(match[i + 1]);\n }\n a = parseFloat(match[4]);\n }\n else if (match = string.match(per)) {\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);\n }\n a = parseFloat(match[4]);\n }\n else if (match = string.match(keyword)) {\n if (match[1] == \"transparent\") {\n return [0, 0, 0, 0];\n }\n rgb = colorNames[match[1]];\n if (!rgb) {\n return;\n }\n }\n\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = scale(rgb[i], 0, 255);\n }\n if (!a && a != 0) {\n a = 1;\n }\n else {\n a = scale(a, 0, 1);\n }\n rgb[3] = a;\n return rgb;\n}\n\nfunction getHsla(string) {\n if (!string) {\n return;\n }\n var hsl = /^hsla?\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n var match = string.match(hsl);\n if (match) {\n var alpha = parseFloat(match[4]);\n var h = scale(parseInt(match[1]), 0, 360),\n s = scale(parseFloat(match[2]), 0, 100),\n l = scale(parseFloat(match[3]), 0, 100),\n a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n return [h, s, l, a];\n }\n}\n\nfunction getHwb(string) {\n if (!string) {\n return;\n }\n var hwb = /^hwb\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n var match = string.match(hwb);\n if (match) {\n var alpha = parseFloat(match[4]);\n var h = scale(parseInt(match[1]), 0, 360),\n w = scale(parseFloat(match[2]), 0, 100),\n b = scale(parseFloat(match[3]), 0, 100),\n a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n return [h, w, b, a];\n }\n}\n\nfunction getRgb(string) {\n var rgba = getRgba(string);\n return rgba && rgba.slice(0, 3);\n}\n\nfunction getHsl(string) {\n var hsla = getHsla(string);\n return hsla && hsla.slice(0, 3);\n}\n\nfunction getAlpha(string) {\n var vals = getRgba(string);\n if (vals) {\n return vals[3];\n }\n else if (vals = getHsla(string)) {\n return vals[3];\n }\n else if (vals = getHwb(string)) {\n return vals[3];\n }\n}\n\n// generators\nfunction hexString(rgb) {\n return \"#\" + hexDouble(rgb[0]) + hexDouble(rgb[1])\n + hexDouble(rgb[2]);\n}\n\nfunction rgbString(rgba, alpha) {\n if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n return rgbaString(rgba, alpha);\n }\n return \"rgb(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2] + \")\";\n}\n\nfunction rgbaString(rgba, alpha) {\n if (alpha === undefined) {\n alpha = (rgba[3] !== undefined ? rgba[3] : 1);\n }\n return \"rgba(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2]\n + \", \" + alpha + \")\";\n}\n\nfunction percentString(rgba, alpha) {\n if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n return percentaString(rgba, alpha);\n }\n var r = Math.round(rgba[0]/255 * 100),\n g = Math.round(rgba[1]/255 * 100),\n b = Math.round(rgba[2]/255 * 100);\n\n return \"rgb(\" + r + \"%, \" + g + \"%, \" + b + \"%)\";\n}\n\nfunction percentaString(rgba, alpha) {\n var r = Math.round(rgba[0]/255 * 100),\n g = Math.round(rgba[1]/255 * 100),\n b = Math.round(rgba[2]/255 * 100);\n return \"rgba(\" + r + \"%, \" + g + \"%, \" + b + \"%, \" + (alpha || rgba[3] || 1) + \")\";\n}\n\nfunction hslString(hsla, alpha) {\n if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {\n return hslaString(hsla, alpha);\n }\n return \"hsl(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%)\";\n}\n\nfunction hslaString(hsla, alpha) {\n if (alpha === undefined) {\n alpha = (hsla[3] !== undefined ? hsla[3] : 1);\n }\n return \"hsla(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%, \"\n + alpha + \")\";\n}\n\n// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax\n// (hwb have alpha optional & 1 is default value)\nfunction hwbString(hwb, alpha) {\n if (alpha === undefined) {\n alpha = (hwb[3] !== undefined ? hwb[3] : 1);\n }\n return \"hwb(\" + hwb[0] + \", \" + hwb[1] + \"%, \" + hwb[2] + \"%\"\n + (alpha !== undefined && alpha !== 1 ? \", \" + alpha : \"\") + \")\";\n}\n\nfunction keyword(rgb) {\n return reverseNames[rgb.slice(0, 3)];\n}\n\n// helpers\nfunction scale(num, min, max) {\n return Math.min(Math.max(min, num), max);\n}\n\nfunction hexDouble(num) {\n var str = num.toString(16).toUpperCase();\n return (str.length < 2) ? \"0\" + str : str;\n}\n\n\n//create a list of reverse color names\nvar reverseNames = {};\nfor (var name in colorNames) {\n reverseNames[colorNames[name]] = name;\n}\n\n},{\"5\":5}],2:[function(require,module,exports){\n/* MIT license */\nvar convert = require(4);\nvar string = require(1);\n\nvar Color = function (obj) {\n if (obj instanceof Color) {\n return obj;\n }\n if (!(this instanceof Color)) {\n return new Color(obj);\n }\n\n this.valid = false;\n this.values = {\n rgb: [0, 0, 0],\n hsl: [0, 0, 0],\n hsv: [0, 0, 0],\n hwb: [0, 0, 0],\n cmyk: [0, 0, 0, 0],\n alpha: 1\n };\n\n // parse Color() argument\n var vals;\n if (typeof obj === 'string') {\n vals = string.getRgba(obj);\n if (vals) {\n this.setValues('rgb', vals);\n } else if (vals = string.getHsla(obj)) {\n this.setValues('hsl', vals);\n } else if (vals = string.getHwb(obj)) {\n this.setValues('hwb', vals);\n }\n } else if (typeof obj === 'object') {\n vals = obj;\n if (vals.r !== undefined || vals.red !== undefined) {\n this.setValues('rgb', vals);\n } else if (vals.l !== undefined || vals.lightness !== undefined) {\n this.setValues('hsl', vals);\n } else if (vals.v !== undefined || vals.value !== undefined) {\n this.setValues('hsv', vals);\n } else if (vals.w !== undefined || vals.whiteness !== undefined) {\n this.setValues('hwb', vals);\n } else if (vals.c !== undefined || vals.cyan !== undefined) {\n this.setValues('cmyk', vals);\n }\n }\n};\n\nColor.prototype = {\n isValid: function () {\n return this.valid;\n },\n rgb: function () {\n return this.setSpace('rgb', arguments);\n },\n hsl: function () {\n return this.setSpace('hsl', arguments);\n },\n hsv: function () {\n return this.setSpace('hsv', arguments);\n },\n hwb: function () {\n return this.setSpace('hwb', arguments);\n },\n cmyk: function () {\n return this.setSpace('cmyk', arguments);\n },\n\n rgbArray: function () {\n return this.values.rgb;\n },\n hslArray: function () {\n return this.values.hsl;\n },\n hsvArray: function () {\n return this.values.hsv;\n },\n hwbArray: function () {\n var values = this.values;\n if (values.alpha !== 1) {\n return values.hwb.concat([values.alpha]);\n }\n return values.hwb;\n },\n cmykArray: function () {\n return this.values.cmyk;\n },\n rgbaArray: function () {\n var values = this.values;\n return values.rgb.concat([values.alpha]);\n },\n hslaArray: function () {\n var values = this.values;\n return values.hsl.concat([values.alpha]);\n },\n alpha: function (val) {\n if (val === undefined) {\n return this.values.alpha;\n }\n this.setValues('alpha', val);\n return this;\n },\n\n red: function (val) {\n return this.setChannel('rgb', 0, val);\n },\n green: function (val) {\n return this.setChannel('rgb', 1, val);\n },\n blue: function (val) {\n return this.setChannel('rgb', 2, val);\n },\n hue: function (val) {\n if (val) {\n val %= 360;\n val = val < 0 ? 360 + val : val;\n }\n return this.setChannel('hsl', 0, val);\n },\n saturation: function (val) {\n return this.setChannel('hsl', 1, val);\n },\n lightness: function (val) {\n return this.setChannel('hsl', 2, val);\n },\n saturationv: function (val) {\n return this.setChannel('hsv', 1, val);\n },\n whiteness: function (val) {\n return this.setChannel('hwb', 1, val);\n },\n blackness: function (val) {\n return this.setChannel('hwb', 2, val);\n },\n value: function (val) {\n return this.setChannel('hsv', 2, val);\n },\n cyan: function (val) {\n return this.setChannel('cmyk', 0, val);\n },\n magenta: function (val) {\n return this.setChannel('cmyk', 1, val);\n },\n yellow: function (val) {\n return this.setChannel('cmyk', 2, val);\n },\n black: function (val) {\n return this.setChannel('cmyk', 3, val);\n },\n\n hexString: function () {\n return string.hexString(this.values.rgb);\n },\n rgbString: function () {\n return string.rgbString(this.values.rgb, this.values.alpha);\n },\n rgbaString: function () {\n return string.rgbaString(this.values.rgb, this.values.alpha);\n },\n percentString: function () {\n return string.percentString(this.values.rgb, this.values.alpha);\n },\n hslString: function () {\n return string.hslString(this.values.hsl, this.values.alpha);\n },\n hslaString: function () {\n return string.hslaString(this.values.hsl, this.values.alpha);\n },\n hwbString: function () {\n return string.hwbString(this.values.hwb, this.values.alpha);\n },\n keyword: function () {\n return string.keyword(this.values.rgb, this.values.alpha);\n },\n\n rgbNumber: function () {\n var rgb = this.values.rgb;\n return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];\n },\n\n luminosity: function () {\n // http://www.w3.org/TR/WCAG20/#relativeluminancedef\n var rgb = this.values.rgb;\n var lum = [];\n for (var i = 0; i < rgb.length; i++) {\n var chan = rgb[i] / 255;\n lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);\n }\n return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];\n },\n\n contrast: function (color2) {\n // http://www.w3.org/TR/WCAG20/#contrast-ratiodef\n var lum1 = this.luminosity();\n var lum2 = color2.luminosity();\n if (lum1 > lum2) {\n return (lum1 + 0.05) / (lum2 + 0.05);\n }\n return (lum2 + 0.05) / (lum1 + 0.05);\n },\n\n level: function (color2) {\n var contrastRatio = this.contrast(color2);\n if (contrastRatio >= 7.1) {\n return 'AAA';\n }\n\n return (contrastRatio >= 4.5) ? 'AA' : '';\n },\n\n dark: function () {\n // YIQ equation from http://24ways.org/2010/calculating-color-contrast\n var rgb = this.values.rgb;\n var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;\n return yiq < 128;\n },\n\n light: function () {\n return !this.dark();\n },\n\n negate: function () {\n var rgb = [];\n for (var i = 0; i < 3; i++) {\n rgb[i] = 255 - this.values.rgb[i];\n }\n this.setValues('rgb', rgb);\n return this;\n },\n\n lighten: function (ratio) {\n var hsl = this.values.hsl;\n hsl[2] += hsl[2] * ratio;\n this.setValues('hsl', hsl);\n return this;\n },\n\n darken: function (ratio) {\n var hsl = this.values.hsl;\n hsl[2] -= hsl[2] * ratio;\n this.setValues('hsl', hsl);\n return this;\n },\n\n saturate: function (ratio) {\n var hsl = this.values.hsl;\n hsl[1] += hsl[1] * ratio;\n this.setValues('hsl', hsl);\n return this;\n },\n\n desaturate: function (ratio) {\n var hsl = this.values.hsl;\n hsl[1] -= hsl[1] * ratio;\n this.setValues('hsl', hsl);\n return this;\n },\n\n whiten: function (ratio) {\n var hwb = this.values.hwb;\n hwb[1] += hwb[1] * ratio;\n this.setValues('hwb', hwb);\n return this;\n },\n\n blacken: function (ratio) {\n var hwb = this.values.hwb;\n hwb[2] += hwb[2] * ratio;\n this.setValues('hwb', hwb);\n return this;\n },\n\n greyscale: function () {\n var rgb = this.values.rgb;\n // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale\n var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;\n this.setValues('rgb', [val, val, val]);\n return this;\n },\n\n clearer: function (ratio) {\n var alpha = this.values.alpha;\n this.setValues('alpha', alpha - (alpha * ratio));\n return this;\n },\n\n opaquer: function (ratio) {\n var alpha = this.values.alpha;\n this.setValues('alpha', alpha + (alpha * ratio));\n return this;\n },\n\n rotate: function (degrees) {\n var hsl = this.values.hsl;\n var hue = (hsl[0] + degrees) % 360;\n hsl[0] = hue < 0 ? 360 + hue : hue;\n this.setValues('hsl', hsl);\n return this;\n },\n\n /**\n * Ported from sass implementation in C\n * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209\n */\n mix: function (mixinColor, weight) {\n var color1 = this;\n var color2 = mixinColor;\n var p = weight === undefined ? 0.5 : weight;\n\n var w = 2 * p - 1;\n var a = color1.alpha() - color2.alpha();\n\n var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n var w2 = 1 - w1;\n\n return this\n .rgb(\n w1 * color1.red() + w2 * color2.red(),\n w1 * color1.green() + w2 * color2.green(),\n w1 * color1.blue() + w2 * color2.blue()\n )\n .alpha(color1.alpha() * p + color2.alpha() * (1 - p));\n },\n\n toJSON: function () {\n return this.rgb();\n },\n\n clone: function () {\n // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,\n // making the final build way to big to embed in Chart.js. So let's do it manually,\n // assuming that values to clone are 1 dimension arrays containing only numbers,\n // except 'alpha' which is a number.\n var result = new Color();\n var source = this.values;\n var target = result.values;\n var value, type;\n\n for (var prop in source) {\n if (source.hasOwnProperty(prop)) {\n value = source[prop];\n type = ({}).toString.call(value);\n if (type === '[object Array]') {\n target[prop] = value.slice(0);\n } else if (type === '[object Number]') {\n target[prop] = value;\n } else {\n console.error('unexpected color value:', value);\n }\n }\n }\n\n return result;\n }\n};\n\nColor.prototype.spaces = {\n rgb: ['red', 'green', 'blue'],\n hsl: ['hue', 'saturation', 'lightness'],\n hsv: ['hue', 'saturation', 'value'],\n hwb: ['hue', 'whiteness', 'blackness'],\n cmyk: ['cyan', 'magenta', 'yellow', 'black']\n};\n\nColor.prototype.maxes = {\n rgb: [255, 255, 255],\n hsl: [360, 100, 100],\n hsv: [360, 100, 100],\n hwb: [360, 100, 100],\n cmyk: [100, 100, 100, 100]\n};\n\nColor.prototype.getValues = function (space) {\n var values = this.values;\n var vals = {};\n\n for (var i = 0; i < space.length; i++) {\n vals[space.charAt(i)] = values[space][i];\n }\n\n if (values.alpha !== 1) {\n vals.a = values.alpha;\n }\n\n // {r: 255, g: 255, b: 255, a: 0.4}\n return vals;\n};\n\nColor.prototype.setValues = function (space, vals) {\n var values = this.values;\n var spaces = this.spaces;\n var maxes = this.maxes;\n var alpha = 1;\n var i;\n\n this.valid = true;\n\n if (space === 'alpha') {\n alpha = vals;\n } else if (vals.length) {\n // [10, 10, 10]\n values[space] = vals.slice(0, space.length);\n alpha = vals[space.length];\n } else if (vals[space.charAt(0)] !== undefined) {\n // {r: 10, g: 10, b: 10}\n for (i = 0; i < space.length; i++) {\n values[space][i] = vals[space.charAt(i)];\n }\n\n alpha = vals.a;\n } else if (vals[spaces[space][0]] !== undefined) {\n // {red: 10, green: 10, blue: 10}\n var chans = spaces[space];\n\n for (i = 0; i < space.length; i++) {\n values[space][i] = vals[chans[i]];\n }\n\n alpha = vals.alpha;\n }\n\n values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));\n\n if (space === 'alpha') {\n return false;\n }\n\n var capped;\n\n // cap values of the space prior converting all values\n for (i = 0; i < space.length; i++) {\n capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));\n values[space][i] = Math.round(capped);\n }\n\n // convert to all the other color spaces\n for (var sname in spaces) {\n if (sname !== space) {\n values[sname] = convert[space][sname](values[space]);\n }\n }\n\n return true;\n};\n\nColor.prototype.setSpace = function (space, args) {\n var vals = args[0];\n\n if (vals === undefined) {\n // color.rgb()\n return this.getValues(space);\n }\n\n // color.rgb(10, 10, 10)\n if (typeof vals === 'number') {\n vals = Array.prototype.slice.call(args);\n }\n\n this.setValues(space, vals);\n return this;\n};\n\nColor.prototype.setChannel = function (space, index, val) {\n var svalues = this.values[space];\n if (val === undefined) {\n // color.red()\n return svalues[index];\n } else if (val === svalues[index]) {\n // color.red(color.red())\n return this;\n }\n\n // color.red(100)\n svalues[index] = val;\n this.setValues(space, svalues);\n\n return this;\n};\n\nif (typeof window !== 'undefined') {\n window.Color = Color;\n}\n\nmodule.exports = Color;\n\n},{\"1\":1,\"4\":4}],3:[function(require,module,exports){\n/* MIT license */\n\nmodule.exports = {\n rgb2hsl: rgb2hsl,\n rgb2hsv: rgb2hsv,\n rgb2hwb: rgb2hwb,\n rgb2cmyk: rgb2cmyk,\n rgb2keyword: rgb2keyword,\n rgb2xyz: rgb2xyz,\n rgb2lab: rgb2lab,\n rgb2lch: rgb2lch,\n\n hsl2rgb: hsl2rgb,\n hsl2hsv: hsl2hsv,\n hsl2hwb: hsl2hwb,\n hsl2cmyk: hsl2cmyk,\n hsl2keyword: hsl2keyword,\n\n hsv2rgb: hsv2rgb,\n hsv2hsl: hsv2hsl,\n hsv2hwb: hsv2hwb,\n hsv2cmyk: hsv2cmyk,\n hsv2keyword: hsv2keyword,\n\n hwb2rgb: hwb2rgb,\n hwb2hsl: hwb2hsl,\n hwb2hsv: hwb2hsv,\n hwb2cmyk: hwb2cmyk,\n hwb2keyword: hwb2keyword,\n\n cmyk2rgb: cmyk2rgb,\n cmyk2hsl: cmyk2hsl,\n cmyk2hsv: cmyk2hsv,\n cmyk2hwb: cmyk2hwb,\n cmyk2keyword: cmyk2keyword,\n\n keyword2rgb: keyword2rgb,\n keyword2hsl: keyword2hsl,\n keyword2hsv: keyword2hsv,\n keyword2hwb: keyword2hwb,\n keyword2cmyk: keyword2cmyk,\n keyword2lab: keyword2lab,\n keyword2xyz: keyword2xyz,\n\n xyz2rgb: xyz2rgb,\n xyz2lab: xyz2lab,\n xyz2lch: xyz2lch,\n\n lab2xyz: lab2xyz,\n lab2rgb: lab2rgb,\n lab2lch: lab2lch,\n\n lch2lab: lch2lab,\n lch2xyz: lch2xyz,\n lch2rgb: lch2rgb\n}\n\n\nfunction rgb2hsl(rgb) {\n var r = rgb[0]/255,\n g = rgb[1]/255,\n b = rgb[2]/255,\n min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s, l;\n\n if (max == min)\n h = 0;\n else if (r == max)\n h = (g - b) / delta;\n else if (g == max)\n h = 2 + (b - r) / delta;\n else if (b == max)\n h = 4 + (r - g)/ delta;\n\n h = Math.min(h * 60, 360);\n\n if (h < 0)\n h += 360;\n\n l = (min + max) / 2;\n\n if (max == min)\n s = 0;\n else if (l <= 0.5)\n s = delta / (max + min);\n else\n s = delta / (2 - max - min);\n\n return [h, s * 100, l * 100];\n}\n\nfunction rgb2hsv(rgb) {\n var r = rgb[0],\n g = rgb[1],\n b = rgb[2],\n min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n delta = max - min,\n h, s, v;\n\n if (max == 0)\n s = 0;\n else\n s = (delta/max * 1000)/10;\n\n if (max == min)\n h = 0;\n else if (r == max)\n h = (g - b) / delta;\n else if (g == max)\n h = 2 + (b - r) / delta;\n else if (b == max)\n h = 4 + (r - g) / delta;\n\n h = Math.min(h * 60, 360);\n\n if (h < 0)\n h += 360;\n\n v = ((max / 255) * 1000) / 10;\n\n return [h, s, v];\n}\n\nfunction rgb2hwb(rgb) {\n var r = rgb[0],\n g = rgb[1],\n b = rgb[2],\n h = rgb2hsl(rgb)[0],\n w = 1/255 * Math.min(r, Math.min(g, b)),\n b = 1 - 1/255 * Math.max(r, Math.max(g, b));\n\n return [h, w * 100, b * 100];\n}\n\nfunction rgb2cmyk(rgb) {\n var r = rgb[0] / 255,\n g = rgb[1] / 255,\n b = rgb[2] / 255,\n c, m, y, k;\n\n k = Math.min(1 - r, 1 - g, 1 - b);\n c = (1 - r - k) / (1 - k) || 0;\n m = (1 - g - k) / (1 - k) || 0;\n y = (1 - b - k) / (1 - k) || 0;\n return [c * 100, m * 100, y * 100, k * 100];\n}\n\nfunction rgb2keyword(rgb) {\n return reverseKeywords[JSON.stringify(rgb)];\n}\n\nfunction rgb2xyz(rgb) {\n var r = rgb[0] / 255,\n g = rgb[1] / 255,\n b = rgb[2] / 255;\n\n // assume sRGB\n r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);\n g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);\n b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);\n\n var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);\n var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);\n var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);\n\n return [x * 100, y *100, z * 100];\n}\n\nfunction rgb2lab(rgb) {\n var xyz = rgb2xyz(rgb),\n x = xyz[0],\n y = xyz[1],\n z = xyz[2],\n l, a, b;\n\n x /= 95.047;\n y /= 100;\n z /= 108.883;\n\n x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n l = (116 * y) - 16;\n a = 500 * (x - y);\n b = 200 * (y - z);\n\n return [l, a, b];\n}\n\nfunction rgb2lch(args) {\n return lab2lch(rgb2lab(args));\n}\n\nfunction hsl2rgb(hsl) {\n var h = hsl[0] / 360,\n s = hsl[1] / 100,\n l = hsl[2] / 100,\n t1, t2, t3, rgb, val;\n\n if (s == 0) {\n val = l * 255;\n return [val, val, val];\n }\n\n if (l < 0.5)\n t2 = l * (1 + s);\n else\n t2 = l + s - l * s;\n t1 = 2 * l - t2;\n\n rgb = [0, 0, 0];\n for (var i = 0; i < 3; i++) {\n t3 = h + 1 / 3 * - (i - 1);\n t3 < 0 && t3++;\n t3 > 1 && t3--;\n\n if (6 * t3 < 1)\n val = t1 + (t2 - t1) * 6 * t3;\n else if (2 * t3 < 1)\n val = t2;\n else if (3 * t3 < 2)\n val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;\n else\n val = t1;\n\n rgb[i] = val * 255;\n }\n\n return rgb;\n}\n\nfunction hsl2hsv(hsl) {\n var h = hsl[0],\n s = hsl[1] / 100,\n l = hsl[2] / 100,\n sv, v;\n\n if(l === 0) {\n // no need to do calc on black\n // also avoids divide by 0 error\n return [0, 0, 0];\n }\n\n l *= 2;\n s *= (l <= 1) ? l : 2 - l;\n v = (l + s) / 2;\n sv = (2 * s) / (l + s);\n return [h, sv * 100, v * 100];\n}\n\nfunction hsl2hwb(args) {\n return rgb2hwb(hsl2rgb(args));\n}\n\nfunction hsl2cmyk(args) {\n return rgb2cmyk(hsl2rgb(args));\n}\n\nfunction hsl2keyword(args) {\n return rgb2keyword(hsl2rgb(args));\n}\n\n\nfunction hsv2rgb(hsv) {\n var h = hsv[0] / 60,\n s = hsv[1] / 100,\n v = hsv[2] / 100,\n hi = Math.floor(h) % 6;\n\n var f = h - Math.floor(h),\n p = 255 * v * (1 - s),\n q = 255 * v * (1 - (s * f)),\n t = 255 * v * (1 - (s * (1 - f))),\n v = 255 * v;\n\n switch(hi) {\n case 0:\n return [v, t, p];\n case 1:\n return [q, v, p];\n case 2:\n return [p, v, t];\n case 3:\n return [p, q, v];\n case 4:\n return [t, p, v];\n case 5:\n return [v, p, q];\n }\n}\n\nfunction hsv2hsl(hsv) {\n var h = hsv[0],\n s = hsv[1] / 100,\n v = hsv[2] / 100,\n sl, l;\n\n l = (2 - s) * v;\n sl = s * v;\n sl /= (l <= 1) ? l : 2 - l;\n sl = sl || 0;\n l /= 2;\n return [h, sl * 100, l * 100];\n}\n\nfunction hsv2hwb(args) {\n return rgb2hwb(hsv2rgb(args))\n}\n\nfunction hsv2cmyk(args) {\n return rgb2cmyk(hsv2rgb(args));\n}\n\nfunction hsv2keyword(args) {\n return rgb2keyword(hsv2rgb(args));\n}\n\n// http://dev.w3.org/csswg/css-color/#hwb-to-rgb\nfunction hwb2rgb(hwb) {\n var h = hwb[0] / 360,\n wh = hwb[1] / 100,\n bl = hwb[2] / 100,\n ratio = wh + bl,\n i, v, f, n;\n\n // wh + bl cant be > 1\n if (ratio > 1) {\n wh /= ratio;\n bl /= ratio;\n }\n\n i = Math.floor(6 * h);\n v = 1 - bl;\n f = 6 * h - i;\n if ((i & 0x01) != 0) {\n f = 1 - f;\n }\n n = wh + f * (v - wh); // linear interpolation\n\n switch (i) {\n default:\n case 6:\n case 0: r = v; g = n; b = wh; break;\n case 1: r = n; g = v; b = wh; break;\n case 2: r = wh; g = v; b = n; break;\n case 3: r = wh; g = n; b = v; break;\n case 4: r = n; g = wh; b = v; break;\n case 5: r = v; g = wh; b = n; break;\n }\n\n return [r * 255, g * 255, b * 255];\n}\n\nfunction hwb2hsl(args) {\n return rgb2hsl(hwb2rgb(args));\n}\n\nfunction hwb2hsv(args) {\n return rgb2hsv(hwb2rgb(args));\n}\n\nfunction hwb2cmyk(args) {\n return rgb2cmyk(hwb2rgb(args));\n}\n\nfunction hwb2keyword(args) {\n return rgb2keyword(hwb2rgb(args));\n}\n\nfunction cmyk2rgb(cmyk) {\n var c = cmyk[0] / 100,\n m = cmyk[1] / 100,\n y = cmyk[2] / 100,\n k = cmyk[3] / 100,\n r, g, b;\n\n r = 1 - Math.min(1, c * (1 - k) + k);\n g = 1 - Math.min(1, m * (1 - k) + k);\n b = 1 - Math.min(1, y * (1 - k) + k);\n return [r * 255, g * 255, b * 255];\n}\n\nfunction cmyk2hsl(args) {\n return rgb2hsl(cmyk2rgb(args));\n}\n\nfunction cmyk2hsv(args) {\n return rgb2hsv(cmyk2rgb(args));\n}\n\nfunction cmyk2hwb(args) {\n return rgb2hwb(cmyk2rgb(args));\n}\n\nfunction cmyk2keyword(args) {\n return rgb2keyword(cmyk2rgb(args));\n}\n\n\nfunction xyz2rgb(xyz) {\n var x = xyz[0] / 100,\n y = xyz[1] / 100,\n z = xyz[2] / 100,\n r, g, b;\n\n r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);\n g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);\n b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);\n\n // assume sRGB\n r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)\n : r = (r * 12.92);\n\n g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)\n : g = (g * 12.92);\n\n b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)\n : b = (b * 12.92);\n\n r = Math.min(Math.max(0, r), 1);\n g = Math.min(Math.max(0, g), 1);\n b = Math.min(Math.max(0, b), 1);\n\n return [r * 255, g * 255, b * 255];\n}\n\nfunction xyz2lab(xyz) {\n var x = xyz[0],\n y = xyz[1],\n z = xyz[2],\n l, a, b;\n\n x /= 95.047;\n y /= 100;\n z /= 108.883;\n\n x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n l = (116 * y) - 16;\n a = 500 * (x - y);\n b = 200 * (y - z);\n\n return [l, a, b];\n}\n\nfunction xyz2lch(args) {\n return lab2lch(xyz2lab(args));\n}\n\nfunction lab2xyz(lab) {\n var l = lab[0],\n a = lab[1],\n b = lab[2],\n x, y, z, y2;\n\n if (l <= 8) {\n y = (l * 100) / 903.3;\n y2 = (7.787 * (y / 100)) + (16 / 116);\n } else {\n y = 100 * Math.pow((l + 16) / 116, 3);\n y2 = Math.pow(y / 100, 1/3);\n }\n\n x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);\n\n z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);\n\n return [x, y, z];\n}\n\nfunction lab2lch(lab) {\n var l = lab[0],\n a = lab[1],\n b = lab[2],\n hr, h, c;\n\n hr = Math.atan2(b, a);\n h = hr * 360 / 2 / Math.PI;\n if (h < 0) {\n h += 360;\n }\n c = Math.sqrt(a * a + b * b);\n return [l, c, h];\n}\n\nfunction lab2rgb(args) {\n return xyz2rgb(lab2xyz(args));\n}\n\nfunction lch2lab(lch) {\n var l = lch[0],\n c = lch[1],\n h = lch[2],\n a, b, hr;\n\n hr = h / 360 * 2 * Math.PI;\n a = c * Math.cos(hr);\n b = c * Math.sin(hr);\n return [l, a, b];\n}\n\nfunction lch2xyz(args) {\n return lab2xyz(lch2lab(args));\n}\n\nfunction lch2rgb(args) {\n return lab2rgb(lch2lab(args));\n}\n\nfunction keyword2rgb(keyword) {\n return cssKeywords[keyword];\n}\n\nfunction keyword2hsl(args) {\n return rgb2hsl(keyword2rgb(args));\n}\n\nfunction keyword2hsv(args) {\n return rgb2hsv(keyword2rgb(args));\n}\n\nfunction keyword2hwb(args) {\n return rgb2hwb(keyword2rgb(args));\n}\n\nfunction keyword2cmyk(args) {\n return rgb2cmyk(keyword2rgb(args));\n}\n\nfunction keyword2lab(args) {\n return rgb2lab(keyword2rgb(args));\n}\n\nfunction keyword2xyz(args) {\n return rgb2xyz(keyword2rgb(args));\n}\n\nvar cssKeywords = {\n aliceblue: [240,248,255],\n antiquewhite: [250,235,215],\n aqua: [0,255,255],\n aquamarine: [127,255,212],\n azure: [240,255,255],\n beige: [245,245,220],\n bisque: [255,228,196],\n black: [0,0,0],\n blanchedalmond: [255,235,205],\n blue: [0,0,255],\n blueviolet: [138,43,226],\n brown: [165,42,42],\n burlywood: [222,184,135],\n cadetblue: [95,158,160],\n chartreuse: [127,255,0],\n chocolate: [210,105,30],\n coral: [255,127,80],\n cornflowerblue: [100,149,237],\n cornsilk: [255,248,220],\n crimson: [220,20,60],\n cyan: [0,255,255],\n darkblue: [0,0,139],\n darkcyan: [0,139,139],\n darkgoldenrod: [184,134,11],\n darkgray: [169,169,169],\n darkgreen: [0,100,0],\n darkgrey: [169,169,169],\n darkkhaki: [189,183,107],\n darkmagenta: [139,0,139],\n darkolivegreen: [85,107,47],\n darkorange: [255,140,0],\n darkorchid: [153,50,204],\n darkred: [139,0,0],\n darksalmon: [233,150,122],\n darkseagreen: [143,188,143],\n darkslateblue: [72,61,139],\n darkslategray: [47,79,79],\n darkslategrey: [47,79,79],\n darkturquoise: [0,206,209],\n darkviolet: [148,0,211],\n deeppink: [255,20,147],\n deepskyblue: [0,191,255],\n dimgray: [105,105,105],\n dimgrey: [105,105,105],\n dodgerblue: [30,144,255],\n firebrick: [178,34,34],\n floralwhite: [255,250,240],\n forestgreen: [34,139,34],\n fuchsia: [255,0,255],\n gainsboro: [220,220,220],\n ghostwhite: [248,248,255],\n gold: [255,215,0],\n goldenrod: [218,165,32],\n gray: [128,128,128],\n green: [0,128,0],\n greenyellow: [173,255,47],\n grey: [128,128,128],\n honeydew: [240,255,240],\n hotpink: [255,105,180],\n indianred: [205,92,92],\n indigo: [75,0,130],\n ivory: [255,255,240],\n khaki: [240,230,140],\n lavender: [230,230,250],\n lavenderblush: [255,240,245],\n lawngreen: [124,252,0],\n lemonchiffon: [255,250,205],\n lightblue: [173,216,230],\n lightcoral: [240,128,128],\n lightcyan: [224,255,255],\n lightgoldenrodyellow: [250,250,210],\n lightgray: [211,211,211],\n lightgreen: [144,238,144],\n lightgrey: [211,211,211],\n lightpink: [255,182,193],\n lightsalmon: [255,160,122],\n lightseagreen: [32,178,170],\n lightskyblue: [135,206,250],\n lightslategray: [119,136,153],\n lightslategrey: [119,136,153],\n lightsteelblue: [176,196,222],\n lightyellow: [255,255,224],\n lime: [0,255,0],\n limegreen: [50,205,50],\n linen: [250,240,230],\n magenta: [255,0,255],\n maroon: [128,0,0],\n mediumaquamarine: [102,205,170],\n mediumblue: [0,0,205],\n mediumorchid: [186,85,211],\n mediumpurple: [147,112,219],\n mediumseagreen: [60,179,113],\n mediumslateblue: [123,104,238],\n mediumspringgreen: [0,250,154],\n mediumturquoise: [72,209,204],\n mediumvioletred: [199,21,133],\n midnightblue: [25,25,112],\n mintcream: [245,255,250],\n mistyrose: [255,228,225],\n moccasin: [255,228,181],\n navajowhite: [255,222,173],\n navy: [0,0,128],\n oldlace: [253,245,230],\n olive: [128,128,0],\n olivedrab: [107,142,35],\n orange: [255,165,0],\n orangered: [255,69,0],\n orchid: [218,112,214],\n palegoldenrod: [238,232,170],\n palegreen: [152,251,152],\n paleturquoise: [175,238,238],\n palevioletred: [219,112,147],\n papayawhip: [255,239,213],\n peachpuff: [255,218,185],\n peru: [205,133,63],\n pink: [255,192,203],\n plum: [221,160,221],\n powderblue: [176,224,230],\n purple: [128,0,128],\n rebeccapurple: [102, 51, 153],\n red: [255,0,0],\n rosybrown: [188,143,143],\n royalblue: [65,105,225],\n saddlebrown: [139,69,19],\n salmon: [250,128,114],\n sandybrown: [244,164,96],\n seagreen: [46,139,87],\n seashell: [255,245,238],\n sienna: [160,82,45],\n silver: [192,192,192],\n skyblue: [135,206,235],\n slateblue: [106,90,205],\n slategray: [112,128,144],\n slategrey: [112,128,144],\n snow: [255,250,250],\n springgreen: [0,255,127],\n steelblue: [70,130,180],\n tan: [210,180,140],\n teal: [0,128,128],\n thistle: [216,191,216],\n tomato: [255,99,71],\n turquoise: [64,224,208],\n violet: [238,130,238],\n wheat: [245,222,179],\n white: [255,255,255],\n whitesmoke: [245,245,245],\n yellow: [255,255,0],\n yellowgreen: [154,205,50]\n};\n\nvar reverseKeywords = {};\nfor (var key in cssKeywords) {\n reverseKeywords[JSON.stringify(cssKeywords[key])] = key;\n}\n\n},{}],4:[function(require,module,exports){\nvar conversions = require(3);\n\nvar convert = function() {\n return new Converter();\n}\n\nfor (var func in conversions) {\n // export Raw versions\n convert[func + \"Raw\"] = (function(func) {\n // accept array or plain args\n return function(arg) {\n if (typeof arg == \"number\")\n arg = Array.prototype.slice.call(arguments);\n return conversions[func](arg);\n }\n })(func);\n\n var pair = /(\\w+)2(\\w+)/.exec(func),\n from = pair[1],\n to = pair[2];\n\n // export rgb2hsl and [\"rgb\"][\"hsl\"]\n convert[from] = convert[from] || {};\n\n convert[from][to] = convert[func] = (function(func) { \n return function(arg) {\n if (typeof arg == \"number\")\n arg = Array.prototype.slice.call(arguments);\n \n var val = conversions[func](arg);\n if (typeof val == \"string\" || val === undefined)\n return val; // keyword\n\n for (var i = 0; i < val.length; i++)\n val[i] = Math.round(val[i]);\n return val;\n }\n })(func);\n}\n\n\n/* Converter does lazy conversion and caching */\nvar Converter = function() {\n this.convs = {};\n};\n\n/* Either get the values for a space or\n set the values for a space, depending on args */\nConverter.prototype.routeSpace = function(space, args) {\n var values = args[0];\n if (values === undefined) {\n // color.rgb()\n return this.getValues(space);\n }\n // color.rgb(10, 10, 10)\n if (typeof values == \"number\") {\n values = Array.prototype.slice.call(args); \n }\n\n return this.setValues(space, values);\n};\n \n/* Set the values for a space, invalidating cache */\nConverter.prototype.setValues = function(space, values) {\n this.space = space;\n this.convs = {};\n this.convs[space] = values;\n return this;\n};\n\n/* Get the values for a space. If there's already\n a conversion for the space, fetch it, otherwise\n compute it */\nConverter.prototype.getValues = function(space) {\n var vals = this.convs[space];\n if (!vals) {\n var fspace = this.space,\n from = this.convs[fspace];\n vals = convert[fspace][space](from);\n\n this.convs[space] = vals;\n }\n return vals;\n};\n\n[\"rgb\", \"hsl\", \"hsv\", \"cmyk\", \"keyword\"].forEach(function(space) {\n Converter.prototype[space] = function(vals) {\n return this.routeSpace(space, arguments);\n }\n});\n\nmodule.exports = convert;\n},{\"3\":3}],5:[function(require,module,exports){\n'use strict'\n\nmodule.exports = {\n \"aliceblue\": [240, 248, 255],\n \"antiquewhite\": [250, 235, 215],\n \"aqua\": [0, 255, 255],\n \"aquamarine\": [127, 255, 212],\n \"azure\": [240, 255, 255],\n \"beige\": [245, 245, 220],\n \"bisque\": [255, 228, 196],\n \"black\": [0, 0, 0],\n \"blanchedalmond\": [255, 235, 205],\n \"blue\": [0, 0, 255],\n \"blueviolet\": [138, 43, 226],\n \"brown\": [165, 42, 42],\n \"burlywood\": [222, 184, 135],\n \"cadetblue\": [95, 158, 160],\n \"chartreuse\": [127, 255, 0],\n \"chocolate\": [210, 105, 30],\n \"coral\": [255, 127, 80],\n \"cornflowerblue\": [100, 149, 237],\n \"cornsilk\": [255, 248, 220],\n \"crimson\": [220, 20, 60],\n \"cyan\": [0, 255, 255],\n \"darkblue\": [0, 0, 139],\n \"darkcyan\": [0, 139, 139],\n \"darkgoldenrod\": [184, 134, 11],\n \"darkgray\": [169, 169, 169],\n \"darkgreen\": [0, 100, 0],\n \"darkgrey\": [169, 169, 169],\n \"darkkhaki\": [189, 183, 107],\n \"darkmagenta\": [139, 0, 139],\n \"darkolivegreen\": [85, 107, 47],\n \"darkorange\": [255, 140, 0],\n \"darkorchid\": [153, 50, 204],\n \"darkred\": [139, 0, 0],\n \"darksalmon\": [233, 150, 122],\n \"darkseagreen\": [143, 188, 143],\n \"darkslateblue\": [72, 61, 139],\n \"darkslategray\": [47, 79, 79],\n \"darkslategrey\": [47, 79, 79],\n \"darkturquoise\": [0, 206, 209],\n \"darkviolet\": [148, 0, 211],\n \"deeppink\": [255, 20, 147],\n \"deepskyblue\": [0, 191, 255],\n \"dimgray\": [105, 105, 105],\n \"dimgrey\": [105, 105, 105],\n \"dodgerblue\": [30, 144, 255],\n \"firebrick\": [178, 34, 34],\n \"floralwhite\": [255, 250, 240],\n \"forestgreen\": [34, 139, 34],\n \"fuchsia\": [255, 0, 255],\n \"gainsboro\": [220, 220, 220],\n \"ghostwhite\": [248, 248, 255],\n \"gold\": [255, 215, 0],\n \"goldenrod\": [218, 165, 32],\n \"gray\": [128, 128, 128],\n \"green\": [0, 128, 0],\n \"greenyellow\": [173, 255, 47],\n \"grey\": [128, 128, 128],\n \"honeydew\": [240, 255, 240],\n \"hotpink\": [255, 105, 180],\n \"indianred\": [205, 92, 92],\n \"indigo\": [75, 0, 130],\n \"ivory\": [255, 255, 240],\n \"khaki\": [240, 230, 140],\n \"lavender\": [230, 230, 250],\n \"lavenderblush\": [255, 240, 245],\n \"lawngreen\": [124, 252, 0],\n \"lemonchiffon\": [255, 250, 205],\n \"lightblue\": [173, 216, 230],\n \"lightcoral\": [240, 128, 128],\n \"lightcyan\": [224, 255, 255],\n \"lightgoldenrodyellow\": [250, 250, 210],\n \"lightgray\": [211, 211, 211],\n \"lightgreen\": [144, 238, 144],\n \"lightgrey\": [211, 211, 211],\n \"lightpink\": [255, 182, 193],\n \"lightsalmon\": [255, 160, 122],\n \"lightseagreen\": [32, 178, 170],\n \"lightskyblue\": [135, 206, 250],\n \"lightslategray\": [119, 136, 153],\n \"lightslategrey\": [119, 136, 153],\n \"lightsteelblue\": [176, 196, 222],\n \"lightyellow\": [255, 255, 224],\n \"lime\": [0, 255, 0],\n \"limegreen\": [50, 205, 50],\n \"linen\": [250, 240, 230],\n \"magenta\": [255, 0, 255],\n \"maroon\": [128, 0, 0],\n \"mediumaquamarine\": [102, 205, 170],\n \"mediumblue\": [0, 0, 205],\n \"mediumorchid\": [186, 85, 211],\n \"mediumpurple\": [147, 112, 219],\n \"mediumseagreen\": [60, 179, 113],\n \"mediumslateblue\": [123, 104, 238],\n \"mediumspringgreen\": [0, 250, 154],\n \"mediumturquoise\": [72, 209, 204],\n \"mediumvioletred\": [199, 21, 133],\n \"midnightblue\": [25, 25, 112],\n \"mintcream\": [245, 255, 250],\n \"mistyrose\": [255, 228, 225],\n \"moccasin\": [255, 228, 181],\n \"navajowhite\": [255, 222, 173],\n \"navy\": [0, 0, 128],\n \"oldlace\": [253, 245, 230],\n \"olive\": [128, 128, 0],\n \"olivedrab\": [107, 142, 35],\n \"orange\": [255, 165, 0],\n \"orangered\": [255, 69, 0],\n \"orchid\": [218, 112, 214],\n \"palegoldenrod\": [238, 232, 170],\n \"palegreen\": [152, 251, 152],\n \"paleturquoise\": [175, 238, 238],\n \"palevioletred\": [219, 112, 147],\n \"papayawhip\": [255, 239, 213],\n \"peachpuff\": [255, 218, 185],\n \"peru\": [205, 133, 63],\n \"pink\": [255, 192, 203],\n \"plum\": [221, 160, 221],\n \"powderblue\": [176, 224, 230],\n \"purple\": [128, 0, 128],\n \"rebeccapurple\": [102, 51, 153],\n \"red\": [255, 0, 0],\n \"rosybrown\": [188, 143, 143],\n \"royalblue\": [65, 105, 225],\n \"saddlebrown\": [139, 69, 19],\n \"salmon\": [250, 128, 114],\n \"sandybrown\": [244, 164, 96],\n \"seagreen\": [46, 139, 87],\n \"seashell\": [255, 245, 238],\n \"sienna\": [160, 82, 45],\n \"silver\": [192, 192, 192],\n \"skyblue\": [135, 206, 235],\n \"slateblue\": [106, 90, 205],\n \"slategray\": [112, 128, 144],\n \"slategrey\": [112, 128, 144],\n \"snow\": [255, 250, 250],\n \"springgreen\": [0, 255, 127],\n \"steelblue\": [70, 130, 180],\n \"tan\": [210, 180, 140],\n \"teal\": [0, 128, 128],\n \"thistle\": [216, 191, 216],\n \"tomato\": [255, 99, 71],\n \"turquoise\": [64, 224, 208],\n \"violet\": [238, 130, 238],\n \"wheat\": [245, 222, 179],\n \"white\": [255, 255, 255],\n \"whitesmoke\": [245, 245, 245],\n \"yellow\": [255, 255, 0],\n \"yellowgreen\": [154, 205, 50]\n};\n\n},{}],6:[function(require,module,exports){\n//! moment.js\n//! version : 2.18.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n;(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n global.moment = factory()\n}(this, (function () { 'use strict';\n\nvar hookCallback;\n\nfunction hooks () {\n return hookCallback.apply(null, arguments);\n}\n\n// This is done to register the method called with moment()\n// without creating circular dependencies.\nfunction setHookCallback (callback) {\n hookCallback = callback;\n}\n\nfunction isArray(input) {\n return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';\n}\n\nfunction isObject(input) {\n // IE8 will treat undefined and null as object if it wasn't for\n // input != null\n return input != null && Object.prototype.toString.call(input) === '[object Object]';\n}\n\nfunction isObjectEmpty(obj) {\n var k;\n for (k in obj) {\n // even if its not own property I'd still call it non-empty\n return false;\n }\n return true;\n}\n\nfunction isUndefined(input) {\n return input === void 0;\n}\n\nfunction isNumber(input) {\n return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';\n}\n\nfunction isDate(input) {\n return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n}\n\nfunction map(arr, fn) {\n var res = [], i;\n for (i = 0; i < arr.length; ++i) {\n res.push(fn(arr[i], i));\n }\n return res;\n}\n\nfunction hasOwnProp(a, b) {\n return Object.prototype.hasOwnProperty.call(a, b);\n}\n\nfunction extend(a, b) {\n for (var i in b) {\n if (hasOwnProp(b, i)) {\n a[i] = b[i];\n }\n }\n\n if (hasOwnProp(b, 'toString')) {\n a.toString = b.toString;\n }\n\n if (hasOwnProp(b, 'valueOf')) {\n a.valueOf = b.valueOf;\n }\n\n return a;\n}\n\nfunction createUTC (input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, true).utc();\n}\n\nfunction defaultParsingFlags() {\n // We need to deep clone this object.\n return {\n empty : false,\n unusedTokens : [],\n unusedInput : [],\n overflow : -2,\n charsLeftOver : 0,\n nullInput : false,\n invalidMonth : null,\n invalidFormat : false,\n userInvalidated : false,\n iso : false,\n parsedDateParts : [],\n meridiem : null,\n rfc2822 : false,\n weekdayMismatch : false\n };\n}\n\nfunction getParsingFlags(m) {\n if (m._pf == null) {\n m._pf = defaultParsingFlags();\n }\n return m._pf;\n}\n\nvar some;\nif (Array.prototype.some) {\n some = Array.prototype.some;\n} else {\n some = function (fun) {\n var t = Object(this);\n var len = t.length >>> 0;\n\n for (var i = 0; i < len; i++) {\n if (i in t && fun.call(this, t[i], i, t)) {\n return true;\n }\n }\n\n return false;\n };\n}\n\nvar some$1 = some;\n\nfunction isValid(m) {\n if (m._isValid == null) {\n var flags = getParsingFlags(m);\n var parsedParts = some$1.call(flags.parsedDateParts, function (i) {\n return i != null;\n });\n var isNowValid = !isNaN(m._d.getTime()) &&\n flags.overflow < 0 &&\n !flags.empty &&\n !flags.invalidMonth &&\n !flags.invalidWeekday &&\n !flags.nullInput &&\n !flags.invalidFormat &&\n !flags.userInvalidated &&\n (!flags.meridiem || (flags.meridiem && parsedParts));\n\n if (m._strict) {\n isNowValid = isNowValid &&\n flags.charsLeftOver === 0 &&\n flags.unusedTokens.length === 0 &&\n flags.bigHour === undefined;\n }\n\n if (Object.isFrozen == null || !Object.isFrozen(m)) {\n m._isValid = isNowValid;\n }\n else {\n return isNowValid;\n }\n }\n return m._isValid;\n}\n\nfunction createInvalid (flags) {\n var m = createUTC(NaN);\n if (flags != null) {\n extend(getParsingFlags(m), flags);\n }\n else {\n getParsingFlags(m).userInvalidated = true;\n }\n\n return m;\n}\n\n// Plugins that add properties should also add the key here (null value),\n// so we can properly clone ourselves.\nvar momentProperties = hooks.momentProperties = [];\n\nfunction copyConfig(to, from) {\n var i, prop, val;\n\n if (!isUndefined(from._isAMomentObject)) {\n to._isAMomentObject = from._isAMomentObject;\n }\n if (!isUndefined(from._i)) {\n to._i = from._i;\n }\n if (!isUndefined(from._f)) {\n to._f = from._f;\n }\n if (!isUndefined(from._l)) {\n to._l = from._l;\n }\n if (!isUndefined(from._strict)) {\n to._strict = from._strict;\n }\n if (!isUndefined(from._tzm)) {\n to._tzm = from._tzm;\n }\n if (!isUndefined(from._isUTC)) {\n to._isUTC = from._isUTC;\n }\n if (!isUndefined(from._offset)) {\n to._offset = from._offset;\n }\n if (!isUndefined(from._pf)) {\n to._pf = getParsingFlags(from);\n }\n if (!isUndefined(from._locale)) {\n to._locale = from._locale;\n }\n\n if (momentProperties.length > 0) {\n for (i = 0; i < momentProperties.length; i++) {\n prop = momentProperties[i];\n val = from[prop];\n if (!isUndefined(val)) {\n to[prop] = val;\n }\n }\n }\n\n return to;\n}\n\nvar updateInProgress = false;\n\n// Moment prototype object\nfunction Moment(config) {\n copyConfig(this, config);\n this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n if (!this.isValid()) {\n this._d = new Date(NaN);\n }\n // Prevent infinite loop in case updateOffset creates new moment\n // objects.\n if (updateInProgress === false) {\n updateInProgress = true;\n hooks.updateOffset(this);\n updateInProgress = false;\n }\n}\n\nfunction isMoment (obj) {\n return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);\n}\n\nfunction absFloor (number) {\n if (number < 0) {\n // -0 -> 0\n return Math.ceil(number) || 0;\n } else {\n return Math.floor(number);\n }\n}\n\nfunction toInt(argumentForCoercion) {\n var coercedNumber = +argumentForCoercion,\n value = 0;\n\n if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n value = absFloor(coercedNumber);\n }\n\n return value;\n}\n\n// compare two arrays, return the number of differences\nfunction compareArrays(array1, array2, dontConvert) {\n var len = Math.min(array1.length, array2.length),\n lengthDiff = Math.abs(array1.length - array2.length),\n diffs = 0,\n i;\n for (i = 0; i < len; i++) {\n if ((dontConvert && array1[i] !== array2[i]) ||\n (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {\n diffs++;\n }\n }\n return diffs + lengthDiff;\n}\n\nfunction warn(msg) {\n if (hooks.suppressDeprecationWarnings === false &&\n (typeof console !== 'undefined') && console.warn) {\n console.warn('Deprecation warning: ' + msg);\n }\n}\n\nfunction deprecate(msg, fn) {\n var firstTime = true;\n\n return extend(function () {\n if (hooks.deprecationHandler != null) {\n hooks.deprecationHandler(null, msg);\n }\n if (firstTime) {\n var args = [];\n var arg;\n for (var i = 0; i < arguments.length; i++) {\n arg = '';\n if (typeof arguments[i] === 'object') {\n arg += '\\n[' + i + '] ';\n for (var key in arguments[0]) {\n arg += key + ': ' + arguments[0][key] + ', ';\n }\n arg = arg.slice(0, -2); // Remove trailing comma and space\n } else {\n arg = arguments[i];\n }\n args.push(arg);\n }\n warn(msg + '\\nArguments: ' + Array.prototype.slice.call(args).join('') + '\\n' + (new Error()).stack);\n firstTime = false;\n }\n return fn.apply(this, arguments);\n }, fn);\n}\n\nvar deprecations = {};\n\nfunction deprecateSimple(name, msg) {\n if (hooks.deprecationHandler != null) {\n hooks.deprecationHandler(name, msg);\n }\n if (!deprecations[name]) {\n warn(msg);\n deprecations[name] = true;\n }\n}\n\nhooks.suppressDeprecationWarnings = false;\nhooks.deprecationHandler = null;\n\nfunction isFunction(input) {\n return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';\n}\n\nfunction set (config) {\n var prop, i;\n for (i in config) {\n prop = config[i];\n if (isFunction(prop)) {\n this[i] = prop;\n } else {\n this['_' + i] = prop;\n }\n }\n this._config = config;\n // Lenient ordinal parsing accepts just a number in addition to\n // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n // TODO: Remove \"ordinalParse\" fallback in next major release.\n this._dayOfMonthOrdinalParseLenient = new RegExp(\n (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n '|' + (/\\d{1,2}/).source);\n}\n\nfunction mergeConfigs(parentConfig, childConfig) {\n var res = extend({}, parentConfig), prop;\n for (prop in childConfig) {\n if (hasOwnProp(childConfig, prop)) {\n if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n res[prop] = {};\n extend(res[prop], parentConfig[prop]);\n extend(res[prop], childConfig[prop]);\n } else if (childConfig[prop] != null) {\n res[prop] = childConfig[prop];\n } else {\n delete res[prop];\n }\n }\n }\n for (prop in parentConfig) {\n if (hasOwnProp(parentConfig, prop) &&\n !hasOwnProp(childConfig, prop) &&\n isObject(parentConfig[prop])) {\n // make sure changes to properties don't modify parent config\n res[prop] = extend({}, res[prop]);\n }\n }\n return res;\n}\n\nfunction Locale(config) {\n if (config != null) {\n this.set(config);\n }\n}\n\nvar keys;\n\nif (Object.keys) {\n keys = Object.keys;\n} else {\n keys = function (obj) {\n var i, res = [];\n for (i in obj) {\n if (hasOwnProp(obj, i)) {\n res.push(i);\n }\n }\n return res;\n };\n}\n\nvar keys$1 = keys;\n\nvar defaultCalendar = {\n sameDay : '[Today at] LT',\n nextDay : '[Tomorrow at] LT',\n nextWeek : 'dddd [at] LT',\n lastDay : '[Yesterday at] LT',\n lastWeek : '[Last] dddd [at] LT',\n sameElse : 'L'\n};\n\nfunction calendar (key, mom, now) {\n var output = this._calendar[key] || this._calendar['sameElse'];\n return isFunction(output) ? output.call(mom, now) : output;\n}\n\nvar defaultLongDateFormat = {\n LTS : 'h:mm:ss A',\n LT : 'h:mm A',\n L : 'MM/DD/YYYY',\n LL : 'MMMM D, YYYY',\n LLL : 'MMMM D, YYYY h:mm A',\n LLLL : 'dddd, MMMM D, YYYY h:mm A'\n};\n\nfunction longDateFormat (key) {\n var format = this._longDateFormat[key],\n formatUpper = this._longDateFormat[key.toUpperCase()];\n\n if (format || !formatUpper) {\n return format;\n }\n\n this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {\n return val.slice(1);\n });\n\n return this._longDateFormat[key];\n}\n\nvar defaultInvalidDate = 'Invalid date';\n\nfunction invalidDate () {\n return this._invalidDate;\n}\n\nvar defaultOrdinal = '%d';\nvar defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\nfunction ordinal (number) {\n return this._ordinal.replace('%d', number);\n}\n\nvar defaultRelativeTime = {\n future : 'in %s',\n past : '%s ago',\n s : 'a few seconds',\n ss : '%d seconds',\n m : 'a minute',\n mm : '%d minutes',\n h : 'an hour',\n hh : '%d hours',\n d : 'a day',\n dd : '%d days',\n M : 'a month',\n MM : '%d months',\n y : 'a year',\n yy : '%d years'\n};\n\nfunction relativeTime (number, withoutSuffix, string, isFuture) {\n var output = this._relativeTime[string];\n return (isFunction(output)) ?\n output(number, withoutSuffix, string, isFuture) :\n output.replace(/%d/i, number);\n}\n\nfunction pastFuture (diff, output) {\n var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n}\n\nvar aliases = {};\n\nfunction addUnitAlias (unit, shorthand) {\n var lowerCase = unit.toLowerCase();\n aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n}\n\nfunction normalizeUnits(units) {\n return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n}\n\nfunction normalizeObjectUnits(inputObject) {\n var normalizedInput = {},\n normalizedProp,\n prop;\n\n for (prop in inputObject) {\n if (hasOwnProp(inputObject, prop)) {\n normalizedProp = normalizeUnits(prop);\n if (normalizedProp) {\n normalizedInput[normalizedProp] = inputObject[prop];\n }\n }\n }\n\n return normalizedInput;\n}\n\nvar priorities = {};\n\nfunction addUnitPriority(unit, priority) {\n priorities[unit] = priority;\n}\n\nfunction getPrioritizedUnits(unitsObj) {\n var units = [];\n for (var u in unitsObj) {\n units.push({unit: u, priority: priorities[u]});\n }\n units.sort(function (a, b) {\n return a.priority - b.priority;\n });\n return units;\n}\n\nfunction makeGetSet (unit, keepTime) {\n return function (value) {\n if (value != null) {\n set$1(this, unit, value);\n hooks.updateOffset(this, keepTime);\n return this;\n } else {\n return get(this, unit);\n }\n };\n}\n\nfunction get (mom, unit) {\n return mom.isValid() ?\n mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;\n}\n\nfunction set$1 (mom, unit, value) {\n if (mom.isValid()) {\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n }\n}\n\n// MOMENTS\n\nfunction stringGet (units) {\n units = normalizeUnits(units);\n if (isFunction(this[units])) {\n return this[units]();\n }\n return this;\n}\n\n\nfunction stringSet (units, value) {\n if (typeof units === 'object') {\n units = normalizeObjectUnits(units);\n var prioritized = getPrioritizedUnits(units);\n for (var i = 0; i < prioritized.length; i++) {\n this[prioritized[i].unit](units[prioritized[i].unit]);\n }\n } else {\n units = normalizeUnits(units);\n if (isFunction(this[units])) {\n return this[units](value);\n }\n }\n return this;\n}\n\nfunction zeroFill(number, targetLength, forceSign) {\n var absNumber = '' + Math.abs(number),\n zerosToFill = targetLength - absNumber.length,\n sign = number >= 0;\n return (sign ? (forceSign ? '+' : '') : '-') +\n Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n}\n\nvar formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;\n\nvar localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g;\n\nvar formatFunctions = {};\n\nvar formatTokenFunctions = {};\n\n// token: 'M'\n// padded: ['MM', 2]\n// ordinal: 'Mo'\n// callback: function () { this.month() + 1 }\nfunction addFormatToken (token, padded, ordinal, callback) {\n var func = callback;\n if (typeof callback === 'string') {\n func = function () {\n return this[callback]();\n };\n }\n if (token) {\n formatTokenFunctions[token] = func;\n }\n if (padded) {\n formatTokenFunctions[padded[0]] = function () {\n return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n };\n }\n if (ordinal) {\n formatTokenFunctions[ordinal] = function () {\n return this.localeData().ordinal(func.apply(this, arguments), token);\n };\n }\n}\n\nfunction removeFormattingTokens(input) {\n if (input.match(/\\[[\\s\\S]/)) {\n return input.replace(/^\\[|\\]$/g, '');\n }\n return input.replace(/\\\\/g, '');\n}\n\nfunction makeFormatFunction(format) {\n var array = format.match(formattingTokens), i, length;\n\n for (i = 0, length = array.length; i < length; i++) {\n if (formatTokenFunctions[array[i]]) {\n array[i] = formatTokenFunctions[array[i]];\n } else {\n array[i] = removeFormattingTokens(array[i]);\n }\n }\n\n return function (mom) {\n var output = '', i;\n for (i = 0; i < length; i++) {\n output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];\n }\n return output;\n };\n}\n\n// format date using native date object\nfunction formatMoment(m, format) {\n if (!m.isValid()) {\n return m.localeData().invalidDate();\n }\n\n format = expandFormat(format, m.localeData());\n formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n\n return formatFunctions[format](m);\n}\n\nfunction expandFormat(format, locale) {\n var i = 5;\n\n function replaceLongDateFormatTokens(input) {\n return locale.longDateFormat(input) || input;\n }\n\n localFormattingTokens.lastIndex = 0;\n while (i >= 0 && localFormattingTokens.test(format)) {\n format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n localFormattingTokens.lastIndex = 0;\n i -= 1;\n }\n\n return format;\n}\n\nvar match1 = /\\d/; // 0 - 9\nvar match2 = /\\d\\d/; // 00 - 99\nvar match3 = /\\d{3}/; // 000 - 999\nvar match4 = /\\d{4}/; // 0000 - 9999\nvar match6 = /[+-]?\\d{6}/; // -999999 - 999999\nvar match1to2 = /\\d\\d?/; // 0 - 99\nvar match3to4 = /\\d\\d\\d\\d?/; // 999 - 9999\nvar match5to6 = /\\d\\d\\d\\d\\d\\d?/; // 99999 - 999999\nvar match1to3 = /\\d{1,3}/; // 0 - 999\nvar match1to4 = /\\d{1,4}/; // 0 - 9999\nvar match1to6 = /[+-]?\\d{1,6}/; // -999999 - 999999\n\nvar matchUnsigned = /\\d+/; // 0 - inf\nvar matchSigned = /[+-]?\\d+/; // -inf - inf\n\nvar matchOffset = /Z|[+-]\\d\\d:?\\d\\d/gi; // +00:00 -00:00 +0000 -0000 or Z\nvar matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n\nvar matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/; // 123456789 123456789.123\n\n// any word (or two) characters or numbers including two/three word month in arabic.\n// includes scottish gaelic two word and hyphenated months\nvar matchWord = /[0-9]*['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]+|[\\u0600-\\u06FF\\/]+(\\s*?[\\u0600-\\u06FF]+){1,2}/i;\n\n\nvar regexes = {};\n\nfunction addRegexToken (token, regex, strictRegex) {\n regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {\n return (isStrict && strictRegex) ? strictRegex : regex;\n };\n}\n\nfunction getParseRegexForToken (token, config) {\n if (!hasOwnProp(regexes, token)) {\n return new RegExp(unescapeFormat(token));\n }\n\n return regexes[token](config._strict, config._locale);\n}\n\n// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\nfunction unescapeFormat(s) {\n return regexEscape(s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n return p1 || p2 || p3 || p4;\n }));\n}\n\nfunction regexEscape(s) {\n return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n}\n\nvar tokens = {};\n\nfunction addParseToken (token, callback) {\n var i, func = callback;\n if (typeof token === 'string') {\n token = [token];\n }\n if (isNumber(callback)) {\n func = function (input, array) {\n array[callback] = toInt(input);\n };\n }\n for (i = 0; i < token.length; i++) {\n tokens[token[i]] = func;\n }\n}\n\nfunction addWeekParseToken (token, callback) {\n addParseToken(token, function (input, array, config, token) {\n config._w = config._w || {};\n callback(input, config._w, config, token);\n });\n}\n\nfunction addTimeToArrayFromToken(token, input, config) {\n if (input != null && hasOwnProp(tokens, token)) {\n tokens[token](input, config._a, config, token);\n }\n}\n\nvar YEAR = 0;\nvar MONTH = 1;\nvar DATE = 2;\nvar HOUR = 3;\nvar MINUTE = 4;\nvar SECOND = 5;\nvar MILLISECOND = 6;\nvar WEEK = 7;\nvar WEEKDAY = 8;\n\nvar indexOf;\n\nif (Array.prototype.indexOf) {\n indexOf = Array.prototype.indexOf;\n} else {\n indexOf = function (o) {\n // I know\n var i;\n for (i = 0; i < this.length; ++i) {\n if (this[i] === o) {\n return i;\n }\n }\n return -1;\n };\n}\n\nvar indexOf$1 = indexOf;\n\nfunction daysInMonth(year, month) {\n return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();\n}\n\n// FORMATTING\n\naddFormatToken('M', ['MM', 2], 'Mo', function () {\n return this.month() + 1;\n});\n\naddFormatToken('MMM', 0, 0, function (format) {\n return this.localeData().monthsShort(this, format);\n});\n\naddFormatToken('MMMM', 0, 0, function (format) {\n return this.localeData().months(this, format);\n});\n\n// ALIASES\n\naddUnitAlias('month', 'M');\n\n// PRIORITY\n\naddUnitPriority('month', 8);\n\n// PARSING\n\naddRegexToken('M', match1to2);\naddRegexToken('MM', match1to2, match2);\naddRegexToken('MMM', function (isStrict, locale) {\n return locale.monthsShortRegex(isStrict);\n});\naddRegexToken('MMMM', function (isStrict, locale) {\n return locale.monthsRegex(isStrict);\n});\n\naddParseToken(['M', 'MM'], function (input, array) {\n array[MONTH] = toInt(input) - 1;\n});\n\naddParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n var month = config._locale.monthsParse(input, token, config._strict);\n // if we didn't find a month name, mark the date as invalid.\n if (month != null) {\n array[MONTH] = month;\n } else {\n getParsingFlags(config).invalidMonth = input;\n }\n});\n\n// LOCALES\n\nvar MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/;\nvar defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');\nfunction localeMonths (m, format) {\n if (!m) {\n return isArray(this._months) ? this._months :\n this._months['standalone'];\n }\n return isArray(this._months) ? this._months[m.month()] :\n this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];\n}\n\nvar defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');\nfunction localeMonthsShort (m, format) {\n if (!m) {\n return isArray(this._monthsShort) ? this._monthsShort :\n this._monthsShort['standalone'];\n }\n return isArray(this._monthsShort) ? this._monthsShort[m.month()] :\n this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];\n}\n\nfunction handleStrictParse(monthName, format, strict) {\n var i, ii, mom, llc = monthName.toLocaleLowerCase();\n if (!this._monthsParse) {\n // this is not used\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n for (i = 0; i < 12; ++i) {\n mom = createUTC([2000, i]);\n this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();\n this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n }\n }\n\n if (strict) {\n if (format === 'MMM') {\n ii = indexOf$1.call(this._shortMonthsParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf$1.call(this._longMonthsParse, llc);\n return ii !== -1 ? ii : null;\n }\n } else {\n if (format === 'MMM') {\n ii = indexOf$1.call(this._shortMonthsParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._longMonthsParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf$1.call(this._longMonthsParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._shortMonthsParse, llc);\n return ii !== -1 ? ii : null;\n }\n }\n}\n\nfunction localeMonthsParse (monthName, format, strict) {\n var i, mom, regex;\n\n if (this._monthsParseExact) {\n return handleStrictParse.call(this, monthName, format, strict);\n }\n\n if (!this._monthsParse) {\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n }\n\n // TODO: add sorting\n // Sorting makes sure if one month (or abbr) is a prefix of another\n // see sorting in computeMonthsParse\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, i]);\n if (strict && !this._longMonthsParse[i]) {\n this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n }\n if (!strict && !this._monthsParse[i]) {\n regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n }\n // test the regex\n if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n return i;\n } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n return i;\n } else if (!strict && this._monthsParse[i].test(monthName)) {\n return i;\n }\n }\n}\n\n// MOMENTS\n\nfunction setMonth (mom, value) {\n var dayOfMonth;\n\n if (!mom.isValid()) {\n // No op\n return mom;\n }\n\n if (typeof value === 'string') {\n if (/^\\d+$/.test(value)) {\n value = toInt(value);\n } else {\n value = mom.localeData().monthsParse(value);\n // TODO: Another silent failure?\n if (!isNumber(value)) {\n return mom;\n }\n }\n }\n\n dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n return mom;\n}\n\nfunction getSetMonth (value) {\n if (value != null) {\n setMonth(this, value);\n hooks.updateOffset(this, true);\n return this;\n } else {\n return get(this, 'Month');\n }\n}\n\nfunction getDaysInMonth () {\n return daysInMonth(this.year(), this.month());\n}\n\nvar defaultMonthsShortRegex = matchWord;\nfunction monthsShortRegex (isStrict) {\n if (this._monthsParseExact) {\n if (!hasOwnProp(this, '_monthsRegex')) {\n computeMonthsParse.call(this);\n }\n if (isStrict) {\n return this._monthsShortStrictRegex;\n } else {\n return this._monthsShortRegex;\n }\n } else {\n if (!hasOwnProp(this, '_monthsShortRegex')) {\n this._monthsShortRegex = defaultMonthsShortRegex;\n }\n return this._monthsShortStrictRegex && isStrict ?\n this._monthsShortStrictRegex : this._monthsShortRegex;\n }\n}\n\nvar defaultMonthsRegex = matchWord;\nfunction monthsRegex (isStrict) {\n if (this._monthsParseExact) {\n if (!hasOwnProp(this, '_monthsRegex')) {\n computeMonthsParse.call(this);\n }\n if (isStrict) {\n return this._monthsStrictRegex;\n } else {\n return this._monthsRegex;\n }\n } else {\n if (!hasOwnProp(this, '_monthsRegex')) {\n this._monthsRegex = defaultMonthsRegex;\n }\n return this._monthsStrictRegex && isStrict ?\n this._monthsStrictRegex : this._monthsRegex;\n }\n}\n\nfunction computeMonthsParse () {\n function cmpLenRev(a, b) {\n return b.length - a.length;\n }\n\n var shortPieces = [], longPieces = [], mixedPieces = [],\n i, mom;\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, i]);\n shortPieces.push(this.monthsShort(mom, ''));\n longPieces.push(this.months(mom, ''));\n mixedPieces.push(this.months(mom, ''));\n mixedPieces.push(this.monthsShort(mom, ''));\n }\n // Sorting makes sure if one month (or abbr) is a prefix of another it\n // will match the longer piece.\n shortPieces.sort(cmpLenRev);\n longPieces.sort(cmpLenRev);\n mixedPieces.sort(cmpLenRev);\n for (i = 0; i < 12; i++) {\n shortPieces[i] = regexEscape(shortPieces[i]);\n longPieces[i] = regexEscape(longPieces[i]);\n }\n for (i = 0; i < 24; i++) {\n mixedPieces[i] = regexEscape(mixedPieces[i]);\n }\n\n this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._monthsShortRegex = this._monthsRegex;\n this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n}\n\n// FORMATTING\n\naddFormatToken('Y', 0, 0, function () {\n var y = this.year();\n return y <= 9999 ? '' + y : '+' + y;\n});\n\naddFormatToken(0, ['YY', 2], 0, function () {\n return this.year() % 100;\n});\n\naddFormatToken(0, ['YYYY', 4], 0, 'year');\naddFormatToken(0, ['YYYYY', 5], 0, 'year');\naddFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n// ALIASES\n\naddUnitAlias('year', 'y');\n\n// PRIORITIES\n\naddUnitPriority('year', 1);\n\n// PARSING\n\naddRegexToken('Y', matchSigned);\naddRegexToken('YY', match1to2, match2);\naddRegexToken('YYYY', match1to4, match4);\naddRegexToken('YYYYY', match1to6, match6);\naddRegexToken('YYYYYY', match1to6, match6);\n\naddParseToken(['YYYYY', 'YYYYYY'], YEAR);\naddParseToken('YYYY', function (input, array) {\n array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n});\naddParseToken('YY', function (input, array) {\n array[YEAR] = hooks.parseTwoDigitYear(input);\n});\naddParseToken('Y', function (input, array) {\n array[YEAR] = parseInt(input, 10);\n});\n\n// HELPERS\n\nfunction daysInYear(year) {\n return isLeapYear(year) ? 366 : 365;\n}\n\nfunction isLeapYear(year) {\n return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n}\n\n// HOOKS\n\nhooks.parseTwoDigitYear = function (input) {\n return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n};\n\n// MOMENTS\n\nvar getSetYear = makeGetSet('FullYear', true);\n\nfunction getIsLeapYear () {\n return isLeapYear(this.year());\n}\n\nfunction createDate (y, m, d, h, M, s, ms) {\n // can't just apply() to create a date:\n // https://stackoverflow.com/q/181348\n var date = new Date(y, m, d, h, M, s, ms);\n\n // the date constructor remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {\n date.setFullYear(y);\n }\n return date;\n}\n\nfunction createUTCDate (y) {\n var date = new Date(Date.UTC.apply(null, arguments));\n\n // the Date.UTC function remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {\n date.setUTCFullYear(y);\n }\n return date;\n}\n\n// start-of-first-week - start-of-year\nfunction firstWeekOffset(year, dow, doy) {\n var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n fwd = 7 + dow - doy,\n // first-week day local weekday -- which local weekday is fwd\n fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n return -fwdlw + fwd - 1;\n}\n\n// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\nfunction dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n var localWeekday = (7 + weekday - dow) % 7,\n weekOffset = firstWeekOffset(year, dow, doy),\n dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n resYear, resDayOfYear;\n\n if (dayOfYear <= 0) {\n resYear = year - 1;\n resDayOfYear = daysInYear(resYear) + dayOfYear;\n } else if (dayOfYear > daysInYear(year)) {\n resYear = year + 1;\n resDayOfYear = dayOfYear - daysInYear(year);\n } else {\n resYear = year;\n resDayOfYear = dayOfYear;\n }\n\n return {\n year: resYear,\n dayOfYear: resDayOfYear\n };\n}\n\nfunction weekOfYear(mom, dow, doy) {\n var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n resWeek, resYear;\n\n if (week < 1) {\n resYear = mom.year() - 1;\n resWeek = week + weeksInYear(resYear, dow, doy);\n } else if (week > weeksInYear(mom.year(), dow, doy)) {\n resWeek = week - weeksInYear(mom.year(), dow, doy);\n resYear = mom.year() + 1;\n } else {\n resYear = mom.year();\n resWeek = week;\n }\n\n return {\n week: resWeek,\n year: resYear\n };\n}\n\nfunction weeksInYear(year, dow, doy) {\n var weekOffset = firstWeekOffset(year, dow, doy),\n weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n}\n\n// FORMATTING\n\naddFormatToken('w', ['ww', 2], 'wo', 'week');\naddFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n// ALIASES\n\naddUnitAlias('week', 'w');\naddUnitAlias('isoWeek', 'W');\n\n// PRIORITIES\n\naddUnitPriority('week', 5);\naddUnitPriority('isoWeek', 5);\n\n// PARSING\n\naddRegexToken('w', match1to2);\naddRegexToken('ww', match1to2, match2);\naddRegexToken('W', match1to2);\naddRegexToken('WW', match1to2, match2);\n\naddWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n week[token.substr(0, 1)] = toInt(input);\n});\n\n// HELPERS\n\n// LOCALES\n\nfunction localeWeek (mom) {\n return weekOfYear(mom, this._week.dow, this._week.doy).week;\n}\n\nvar defaultLocaleWeek = {\n dow : 0, // Sunday is the first day of the week.\n doy : 6 // The week that contains Jan 1st is the first week of the year.\n};\n\nfunction localeFirstDayOfWeek () {\n return this._week.dow;\n}\n\nfunction localeFirstDayOfYear () {\n return this._week.doy;\n}\n\n// MOMENTS\n\nfunction getSetWeek (input) {\n var week = this.localeData().week(this);\n return input == null ? week : this.add((input - week) * 7, 'd');\n}\n\nfunction getSetISOWeek (input) {\n var week = weekOfYear(this, 1, 4).week;\n return input == null ? week : this.add((input - week) * 7, 'd');\n}\n\n// FORMATTING\n\naddFormatToken('d', 0, 'do', 'day');\n\naddFormatToken('dd', 0, 0, function (format) {\n return this.localeData().weekdaysMin(this, format);\n});\n\naddFormatToken('ddd', 0, 0, function (format) {\n return this.localeData().weekdaysShort(this, format);\n});\n\naddFormatToken('dddd', 0, 0, function (format) {\n return this.localeData().weekdays(this, format);\n});\n\naddFormatToken('e', 0, 0, 'weekday');\naddFormatToken('E', 0, 0, 'isoWeekday');\n\n// ALIASES\n\naddUnitAlias('day', 'd');\naddUnitAlias('weekday', 'e');\naddUnitAlias('isoWeekday', 'E');\n\n// PRIORITY\naddUnitPriority('day', 11);\naddUnitPriority('weekday', 11);\naddUnitPriority('isoWeekday', 11);\n\n// PARSING\n\naddRegexToken('d', match1to2);\naddRegexToken('e', match1to2);\naddRegexToken('E', match1to2);\naddRegexToken('dd', function (isStrict, locale) {\n return locale.weekdaysMinRegex(isStrict);\n});\naddRegexToken('ddd', function (isStrict, locale) {\n return locale.weekdaysShortRegex(isStrict);\n});\naddRegexToken('dddd', function (isStrict, locale) {\n return locale.weekdaysRegex(isStrict);\n});\n\naddWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n var weekday = config._locale.weekdaysParse(input, token, config._strict);\n // if we didn't get a weekday name, mark the date as invalid\n if (weekday != null) {\n week.d = weekday;\n } else {\n getParsingFlags(config).invalidWeekday = input;\n }\n});\n\naddWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n week[token] = toInt(input);\n});\n\n// HELPERS\n\nfunction parseWeekday(input, locale) {\n if (typeof input !== 'string') {\n return input;\n }\n\n if (!isNaN(input)) {\n return parseInt(input, 10);\n }\n\n input = locale.weekdaysParse(input);\n if (typeof input === 'number') {\n return input;\n }\n\n return null;\n}\n\nfunction parseIsoWeekday(input, locale) {\n if (typeof input === 'string') {\n return locale.weekdaysParse(input) % 7 || 7;\n }\n return isNaN(input) ? null : input;\n}\n\n// LOCALES\n\nvar defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');\nfunction localeWeekdays (m, format) {\n if (!m) {\n return isArray(this._weekdays) ? this._weekdays :\n this._weekdays['standalone'];\n }\n return isArray(this._weekdays) ? this._weekdays[m.day()] :\n this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];\n}\n\nvar defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');\nfunction localeWeekdaysShort (m) {\n return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;\n}\n\nvar defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');\nfunction localeWeekdaysMin (m) {\n return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;\n}\n\nfunction handleStrictParse$1(weekdayName, format, strict) {\n var i, ii, mom, llc = weekdayName.toLocaleLowerCase();\n if (!this._weekdaysParse) {\n this._weekdaysParse = [];\n this._shortWeekdaysParse = [];\n this._minWeekdaysParse = [];\n\n for (i = 0; i < 7; ++i) {\n mom = createUTC([2000, 1]).day(i);\n this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();\n this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();\n this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n }\n }\n\n if (strict) {\n if (format === 'dddd') {\n ii = indexOf$1.call(this._weekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else if (format === 'ddd') {\n ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf$1.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n }\n } else {\n if (format === 'dddd') {\n ii = indexOf$1.call(this._weekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else if (format === 'ddd') {\n ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._weekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf$1.call(this._minWeekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._weekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n }\n }\n}\n\nfunction localeWeekdaysParse (weekdayName, format, strict) {\n var i, mom, regex;\n\n if (this._weekdaysParseExact) {\n return handleStrictParse$1.call(this, weekdayName, format, strict);\n }\n\n if (!this._weekdaysParse) {\n this._weekdaysParse = [];\n this._minWeekdaysParse = [];\n this._shortWeekdaysParse = [];\n this._fullWeekdaysParse = [];\n }\n\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n\n mom = createUTC([2000, 1]).day(i);\n if (strict && !this._fullWeekdaysParse[i]) {\n this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i');\n this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i');\n this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i');\n }\n if (!this._weekdaysParse[i]) {\n regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n }\n // test the regex\n if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {\n return i;\n } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {\n return i;\n } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {\n return i;\n } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n return i;\n }\n }\n}\n\n// MOMENTS\n\nfunction getSetDayOfWeek (input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n if (input != null) {\n input = parseWeekday(input, this.localeData());\n return this.add(input - day, 'd');\n } else {\n return day;\n }\n}\n\nfunction getSetLocaleDayOfWeek (input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n return input == null ? weekday : this.add(input - weekday, 'd');\n}\n\nfunction getSetISODayOfWeek (input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n\n // behaves the same as moment#day except\n // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n // as a setter, sunday should belong to the previous week.\n\n if (input != null) {\n var weekday = parseIsoWeekday(input, this.localeData());\n return this.day(this.day() % 7 ? weekday : weekday - 7);\n } else {\n return this.day() || 7;\n }\n}\n\nvar defaultWeekdaysRegex = matchWord;\nfunction weekdaysRegex (isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n if (isStrict) {\n return this._weekdaysStrictRegex;\n } else {\n return this._weekdaysRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n this._weekdaysRegex = defaultWeekdaysRegex;\n }\n return this._weekdaysStrictRegex && isStrict ?\n this._weekdaysStrictRegex : this._weekdaysRegex;\n }\n}\n\nvar defaultWeekdaysShortRegex = matchWord;\nfunction weekdaysShortRegex (isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n if (isStrict) {\n return this._weekdaysShortStrictRegex;\n } else {\n return this._weekdaysShortRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n }\n return this._weekdaysShortStrictRegex && isStrict ?\n this._weekdaysShortStrictRegex : this._weekdaysShortRegex;\n }\n}\n\nvar defaultWeekdaysMinRegex = matchWord;\nfunction weekdaysMinRegex (isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n if (isStrict) {\n return this._weekdaysMinStrictRegex;\n } else {\n return this._weekdaysMinRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n }\n return this._weekdaysMinStrictRegex && isStrict ?\n this._weekdaysMinStrictRegex : this._weekdaysMinRegex;\n }\n}\n\n\nfunction computeWeekdaysParse () {\n function cmpLenRev(a, b) {\n return b.length - a.length;\n }\n\n var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],\n i, mom, minp, shortp, longp;\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, 1]).day(i);\n minp = this.weekdaysMin(mom, '');\n shortp = this.weekdaysShort(mom, '');\n longp = this.weekdays(mom, '');\n minPieces.push(minp);\n shortPieces.push(shortp);\n longPieces.push(longp);\n mixedPieces.push(minp);\n mixedPieces.push(shortp);\n mixedPieces.push(longp);\n }\n // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n // will match the longer piece.\n minPieces.sort(cmpLenRev);\n shortPieces.sort(cmpLenRev);\n longPieces.sort(cmpLenRev);\n mixedPieces.sort(cmpLenRev);\n for (i = 0; i < 7; i++) {\n shortPieces[i] = regexEscape(shortPieces[i]);\n longPieces[i] = regexEscape(longPieces[i]);\n mixedPieces[i] = regexEscape(mixedPieces[i]);\n }\n\n this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._weekdaysShortRegex = this._weekdaysRegex;\n this._weekdaysMinRegex = this._weekdaysRegex;\n\n this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');\n}\n\n// FORMATTING\n\nfunction hFormat() {\n return this.hours() % 12 || 12;\n}\n\nfunction kFormat() {\n return this.hours() || 24;\n}\n\naddFormatToken('H', ['HH', 2], 0, 'hour');\naddFormatToken('h', ['hh', 2], 0, hFormat);\naddFormatToken('k', ['kk', 2], 0, kFormat);\n\naddFormatToken('hmm', 0, 0, function () {\n return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n});\n\naddFormatToken('hmmss', 0, 0, function () {\n return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +\n zeroFill(this.seconds(), 2);\n});\n\naddFormatToken('Hmm', 0, 0, function () {\n return '' + this.hours() + zeroFill(this.minutes(), 2);\n});\n\naddFormatToken('Hmmss', 0, 0, function () {\n return '' + this.hours() + zeroFill(this.minutes(), 2) +\n zeroFill(this.seconds(), 2);\n});\n\nfunction meridiem (token, lowercase) {\n addFormatToken(token, 0, 0, function () {\n return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n });\n}\n\nmeridiem('a', true);\nmeridiem('A', false);\n\n// ALIASES\n\naddUnitAlias('hour', 'h');\n\n// PRIORITY\naddUnitPriority('hour', 13);\n\n// PARSING\n\nfunction matchMeridiem (isStrict, locale) {\n return locale._meridiemParse;\n}\n\naddRegexToken('a', matchMeridiem);\naddRegexToken('A', matchMeridiem);\naddRegexToken('H', match1to2);\naddRegexToken('h', match1to2);\naddRegexToken('k', match1to2);\naddRegexToken('HH', match1to2, match2);\naddRegexToken('hh', match1to2, match2);\naddRegexToken('kk', match1to2, match2);\n\naddRegexToken('hmm', match3to4);\naddRegexToken('hmmss', match5to6);\naddRegexToken('Hmm', match3to4);\naddRegexToken('Hmmss', match5to6);\n\naddParseToken(['H', 'HH'], HOUR);\naddParseToken(['k', 'kk'], function (input, array, config) {\n var kInput = toInt(input);\n array[HOUR] = kInput === 24 ? 0 : kInput;\n});\naddParseToken(['a', 'A'], function (input, array, config) {\n config._isPm = config._locale.isPM(input);\n config._meridiem = input;\n});\naddParseToken(['h', 'hh'], function (input, array, config) {\n array[HOUR] = toInt(input);\n getParsingFlags(config).bigHour = true;\n});\naddParseToken('hmm', function (input, array, config) {\n var pos = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos));\n array[MINUTE] = toInt(input.substr(pos));\n getParsingFlags(config).bigHour = true;\n});\naddParseToken('hmmss', function (input, array, config) {\n var pos1 = input.length - 4;\n var pos2 = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos1));\n array[MINUTE] = toInt(input.substr(pos1, 2));\n array[SECOND] = toInt(input.substr(pos2));\n getParsingFlags(config).bigHour = true;\n});\naddParseToken('Hmm', function (input, array, config) {\n var pos = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos));\n array[MINUTE] = toInt(input.substr(pos));\n});\naddParseToken('Hmmss', function (input, array, config) {\n var pos1 = input.length - 4;\n var pos2 = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos1));\n array[MINUTE] = toInt(input.substr(pos1, 2));\n array[SECOND] = toInt(input.substr(pos2));\n});\n\n// LOCALES\n\nfunction localeIsPM (input) {\n // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n // Using charAt should be more compatible.\n return ((input + '').toLowerCase().charAt(0) === 'p');\n}\n\nvar defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i;\nfunction localeMeridiem (hours, minutes, isLower) {\n if (hours > 11) {\n return isLower ? 'pm' : 'PM';\n } else {\n return isLower ? 'am' : 'AM';\n }\n}\n\n\n// MOMENTS\n\n// Setting the hour should keep the time, because the user explicitly\n// specified which hour he wants. So trying to maintain the same hour (in\n// a new timezone) makes sense. Adding/subtracting hours does not follow\n// this rule.\nvar getSetHour = makeGetSet('Hours', true);\n\n// months\n// week\n// weekdays\n// meridiem\nvar baseConfig = {\n calendar: defaultCalendar,\n longDateFormat: defaultLongDateFormat,\n invalidDate: defaultInvalidDate,\n ordinal: defaultOrdinal,\n dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n relativeTime: defaultRelativeTime,\n\n months: defaultLocaleMonths,\n monthsShort: defaultLocaleMonthsShort,\n\n week: defaultLocaleWeek,\n\n weekdays: defaultLocaleWeekdays,\n weekdaysMin: defaultLocaleWeekdaysMin,\n weekdaysShort: defaultLocaleWeekdaysShort,\n\n meridiemParse: defaultLocaleMeridiemParse\n};\n\n// internal storage for locale config files\nvar locales = {};\nvar localeFamilies = {};\nvar globalLocale;\n\nfunction normalizeLocale(key) {\n return key ? key.toLowerCase().replace('_', '-') : key;\n}\n\n// pick the locale from the array\n// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\nfunction chooseLocale(names) {\n var i = 0, j, next, locale, split;\n\n while (i < names.length) {\n split = normalizeLocale(names[i]).split('-');\n j = split.length;\n next = normalizeLocale(names[i + 1]);\n next = next ? next.split('-') : null;\n while (j > 0) {\n locale = loadLocale(split.slice(0, j).join('-'));\n if (locale) {\n return locale;\n }\n if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {\n //the next array item is better than a shallower substring of this one\n break;\n }\n j--;\n }\n i++;\n }\n return null;\n}\n\nfunction loadLocale(name) {\n var oldLocale = null;\n // TODO: Find a better way to register and load all the locales in Node\n if (!locales[name] && (typeof module !== 'undefined') &&\n module && module.exports) {\n try {\n oldLocale = globalLocale._abbr;\n require('./locale/' + name);\n // because defineLocale currently also sets the global locale, we\n // want to undo that for lazy loaded locales\n getSetGlobalLocale(oldLocale);\n } catch (e) { }\n }\n return locales[name];\n}\n\n// This function will load locale and then set the global locale. If\n// no arguments are passed in, it will simply return the current global\n// locale key.\nfunction getSetGlobalLocale (key, values) {\n var data;\n if (key) {\n if (isUndefined(values)) {\n data = getLocale(key);\n }\n else {\n data = defineLocale(key, values);\n }\n\n if (data) {\n // moment.duration._locale = moment._locale = data;\n globalLocale = data;\n }\n }\n\n return globalLocale._abbr;\n}\n\nfunction defineLocale (name, config) {\n if (config !== null) {\n var parentConfig = baseConfig;\n config.abbr = name;\n if (locales[name] != null) {\n deprecateSimple('defineLocaleOverride',\n 'use moment.updateLocale(localeName, config) to change ' +\n 'an existing locale. moment.defineLocale(localeName, ' +\n 'config) should only be used for creating a new locale ' +\n 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');\n parentConfig = locales[name]._config;\n } else if (config.parentLocale != null) {\n if (locales[config.parentLocale] != null) {\n parentConfig = locales[config.parentLocale]._config;\n } else {\n if (!localeFamilies[config.parentLocale]) {\n localeFamilies[config.parentLocale] = [];\n }\n localeFamilies[config.parentLocale].push({\n name: name,\n config: config\n });\n return null;\n }\n }\n locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n if (localeFamilies[name]) {\n localeFamilies[name].forEach(function (x) {\n defineLocale(x.name, x.config);\n });\n }\n\n // backwards compat for now: also set the locale\n // make sure we set the locale AFTER all child locales have been\n // created, so we won't end up with the child locale set.\n getSetGlobalLocale(name);\n\n\n return locales[name];\n } else {\n // useful for testing\n delete locales[name];\n return null;\n }\n}\n\nfunction updateLocale(name, config) {\n if (config != null) {\n var locale, parentConfig = baseConfig;\n // MERGE\n if (locales[name] != null) {\n parentConfig = locales[name]._config;\n }\n config = mergeConfigs(parentConfig, config);\n locale = new Locale(config);\n locale.parentLocale = locales[name];\n locales[name] = locale;\n\n // backwards compat for now: also set the locale\n getSetGlobalLocale(name);\n } else {\n // pass null for config to unupdate, useful for tests\n if (locales[name] != null) {\n if (locales[name].parentLocale != null) {\n locales[name] = locales[name].parentLocale;\n } else if (locales[name] != null) {\n delete locales[name];\n }\n }\n }\n return locales[name];\n}\n\n// returns locale data\nfunction getLocale (key) {\n var locale;\n\n if (key && key._locale && key._locale._abbr) {\n key = key._locale._abbr;\n }\n\n if (!key) {\n return globalLocale;\n }\n\n if (!isArray(key)) {\n //short-circuit everything else\n locale = loadLocale(key);\n if (locale) {\n return locale;\n }\n key = [key];\n }\n\n return chooseLocale(key);\n}\n\nfunction listLocales() {\n return keys$1(locales);\n}\n\nfunction checkOverflow (m) {\n var overflow;\n var a = m._a;\n\n if (a && getParsingFlags(m).overflow === -2) {\n overflow =\n a[MONTH] < 0 || a[MONTH] > 11 ? MONTH :\n a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE :\n a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :\n a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE :\n a[SECOND] < 0 || a[SECOND] > 59 ? SECOND :\n a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :\n -1;\n\n if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n overflow = DATE;\n }\n if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n overflow = WEEK;\n }\n if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n overflow = WEEKDAY;\n }\n\n getParsingFlags(m).overflow = overflow;\n }\n\n return m;\n}\n\n// iso 8601 regex\n// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\nvar extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\nvar basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n\nvar tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/;\n\nvar isoDates = [\n ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n ['YYYY-DDD', /\\d{4}-\\d{3}/],\n ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n ['YYYYYYMMDD', /[+-]\\d{10}/],\n ['YYYYMMDD', /\\d{8}/],\n // YYYYMM is NOT allowed by the standard\n ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n ['YYYYDDD', /\\d{7}/]\n];\n\n// iso time formats and regexes\nvar isoTimes = [\n ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n ['HH:mm', /\\d\\d:\\d\\d/],\n ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n ['HHmm', /\\d\\d\\d\\d/],\n ['HH', /\\d\\d/]\n];\n\nvar aspNetJsonRegex = /^\\/?Date\\((\\-?\\d+)/i;\n\n// date from iso format\nfunction configFromISO(config) {\n var i, l,\n string = config._i,\n match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n allowTime, dateFormat, timeFormat, tzFormat;\n\n if (match) {\n getParsingFlags(config).iso = true;\n\n for (i = 0, l = isoDates.length; i < l; i++) {\n if (isoDates[i][1].exec(match[1])) {\n dateFormat = isoDates[i][0];\n allowTime = isoDates[i][2] !== false;\n break;\n }\n }\n if (dateFormat == null) {\n config._isValid = false;\n return;\n }\n if (match[3]) {\n for (i = 0, l = isoTimes.length; i < l; i++) {\n if (isoTimes[i][1].exec(match[3])) {\n // match[2] should be 'T' or space\n timeFormat = (match[2] || ' ') + isoTimes[i][0];\n break;\n }\n }\n if (timeFormat == null) {\n config._isValid = false;\n return;\n }\n }\n if (!allowTime && timeFormat != null) {\n config._isValid = false;\n return;\n }\n if (match[4]) {\n if (tzRegex.exec(match[4])) {\n tzFormat = 'Z';\n } else {\n config._isValid = false;\n return;\n }\n }\n config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n configFromStringAndFormat(config);\n } else {\n config._isValid = false;\n }\n}\n\n// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\nvar basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d?\\d\\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(?:\\d\\d)?\\d\\d\\s)(\\d\\d:\\d\\d)(\\:\\d\\d)?(\\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\\d{4}))$/;\n\n// date and time from ref 2822 format\nfunction configFromRFC2822(config) {\n var string, match, dayFormat,\n dateFormat, timeFormat, tzFormat;\n var timezones = {\n ' GMT': ' +0000',\n ' EDT': ' -0400',\n ' EST': ' -0500',\n ' CDT': ' -0500',\n ' CST': ' -0600',\n ' MDT': ' -0600',\n ' MST': ' -0700',\n ' PDT': ' -0700',\n ' PST': ' -0800'\n };\n var military = 'YXWVUTSRQPONZABCDEFGHIKLM';\n var timezone, timezoneIndex;\n\n string = config._i\n .replace(/\\([^\\)]*\\)|[\\n\\t]/g, ' ') // Remove comments and folding whitespace\n .replace(/(\\s\\s+)/g, ' ') // Replace multiple-spaces with a single space\n .replace(/^\\s|\\s$/g, ''); // Remove leading and trailing spaces\n match = basicRfcRegex.exec(string);\n\n if (match) {\n dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';\n dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');\n timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');\n\n // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.\n if (match[1]) { // day of week given\n var momentDate = new Date(match[2]);\n var momentDay = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'][momentDate.getDay()];\n\n if (match[1].substr(0,3) !== momentDay) {\n getParsingFlags(config).weekdayMismatch = true;\n config._isValid = false;\n return;\n }\n }\n\n switch (match[5].length) {\n case 2: // military\n if (timezoneIndex === 0) {\n timezone = ' +0000';\n } else {\n timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;\n timezone = ((timezoneIndex < 0) ? ' -' : ' +') +\n (('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';\n }\n break;\n case 4: // Zone\n timezone = timezones[match[5]];\n break;\n default: // UT or +/-9999\n timezone = timezones[' GMT'];\n }\n match[5] = timezone;\n config._i = match.splice(1).join('');\n tzFormat = ' ZZ';\n config._f = dayFormat + dateFormat + timeFormat + tzFormat;\n configFromStringAndFormat(config);\n getParsingFlags(config).rfc2822 = true;\n } else {\n config._isValid = false;\n }\n}\n\n// date from iso format or fallback\nfunction configFromString(config) {\n var matched = aspNetJsonRegex.exec(config._i);\n\n if (matched !== null) {\n config._d = new Date(+matched[1]);\n return;\n }\n\n configFromISO(config);\n if (config._isValid === false) {\n delete config._isValid;\n } else {\n return;\n }\n\n configFromRFC2822(config);\n if (config._isValid === false) {\n delete config._isValid;\n } else {\n return;\n }\n\n // Final attempt, use Input Fallback\n hooks.createFromInputFallback(config);\n}\n\nhooks.createFromInputFallback = deprecate(\n 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n 'discouraged and will be removed in an upcoming major release. Please refer to ' +\n 'http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n function (config) {\n config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n }\n);\n\n// Pick the first defined of two or three arguments.\nfunction defaults(a, b, c) {\n if (a != null) {\n return a;\n }\n if (b != null) {\n return b;\n }\n return c;\n}\n\nfunction currentDateArray(config) {\n // hooks is actually the exported moment object\n var nowValue = new Date(hooks.now());\n if (config._useUTC) {\n return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];\n }\n return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n}\n\n// convert an array to a date.\n// the array should mirror the parameters below\n// note: all values past the year are optional and will default to the lowest possible value.\n// [year, month, day , hour, minute, second, millisecond]\nfunction configFromArray (config) {\n var i, date, input = [], currentDate, yearToUse;\n\n if (config._d) {\n return;\n }\n\n currentDate = currentDateArray(config);\n\n //compute day of the year from weeks and weekdays\n if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n dayOfYearFromWeekInfo(config);\n }\n\n //if the day of the year is set, figure out what it is\n if (config._dayOfYear != null) {\n yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {\n getParsingFlags(config)._overflowDayOfYear = true;\n }\n\n date = createUTCDate(yearToUse, 0, config._dayOfYear);\n config._a[MONTH] = date.getUTCMonth();\n config._a[DATE] = date.getUTCDate();\n }\n\n // Default to current date.\n // * if no year, month, day of month are given, default to today\n // * if day of month is given, default month and year\n // * if month is given, default only year\n // * if year is given, don't default anything\n for (i = 0; i < 3 && config._a[i] == null; ++i) {\n config._a[i] = input[i] = currentDate[i];\n }\n\n // Zero out whatever was not defaulted, including time\n for (; i < 7; i++) {\n config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];\n }\n\n // Check for 24:00:00.000\n if (config._a[HOUR] === 24 &&\n config._a[MINUTE] === 0 &&\n config._a[SECOND] === 0 &&\n config._a[MILLISECOND] === 0) {\n config._nextDay = true;\n config._a[HOUR] = 0;\n }\n\n config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n // Apply timezone offset from input. The actual utcOffset can be changed\n // with parseZone.\n if (config._tzm != null) {\n config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n }\n\n if (config._nextDay) {\n config._a[HOUR] = 24;\n }\n}\n\nfunction dayOfYearFromWeekInfo(config) {\n var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;\n\n w = config._w;\n if (w.GG != null || w.W != null || w.E != null) {\n dow = 1;\n doy = 4;\n\n // TODO: We need to take the current isoWeekYear, but that depends on\n // how we interpret now (local, utc, fixed offset). So create\n // a now version of current config (take local/utc/offset flags, and\n // create now).\n weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);\n week = defaults(w.W, 1);\n weekday = defaults(w.E, 1);\n if (weekday < 1 || weekday > 7) {\n weekdayOverflow = true;\n }\n } else {\n dow = config._locale._week.dow;\n doy = config._locale._week.doy;\n\n var curWeek = weekOfYear(createLocal(), dow, doy);\n\n weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n // Default to current week.\n week = defaults(w.w, curWeek.week);\n\n if (w.d != null) {\n // weekday -- low day numbers are considered next week\n weekday = w.d;\n if (weekday < 0 || weekday > 6) {\n weekdayOverflow = true;\n }\n } else if (w.e != null) {\n // local weekday -- counting starts from begining of week\n weekday = w.e + dow;\n if (w.e < 0 || w.e > 6) {\n weekdayOverflow = true;\n }\n } else {\n // default to begining of week\n weekday = dow;\n }\n }\n if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n getParsingFlags(config)._overflowWeeks = true;\n } else if (weekdayOverflow != null) {\n getParsingFlags(config)._overflowWeekday = true;\n } else {\n temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n config._a[YEAR] = temp.year;\n config._dayOfYear = temp.dayOfYear;\n }\n}\n\n// constant that refers to the ISO standard\nhooks.ISO_8601 = function () {};\n\n// constant that refers to the RFC 2822 form\nhooks.RFC_2822 = function () {};\n\n// date from string and format string\nfunction configFromStringAndFormat(config) {\n // TODO: Move this to another part of the creation flow to prevent circular deps\n if (config._f === hooks.ISO_8601) {\n configFromISO(config);\n return;\n }\n if (config._f === hooks.RFC_2822) {\n configFromRFC2822(config);\n return;\n }\n config._a = [];\n getParsingFlags(config).empty = true;\n\n // This array is used to make a Date, either with `new Date` or `Date.UTC`\n var string = '' + config._i,\n i, parsedInput, tokens, token, skipped,\n stringLength = string.length,\n totalParsedInputLength = 0;\n\n tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n for (i = 0; i < tokens.length; i++) {\n token = tokens[i];\n parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n // console.log('token', token, 'parsedInput', parsedInput,\n // 'regex', getParseRegexForToken(token, config));\n if (parsedInput) {\n skipped = string.substr(0, string.indexOf(parsedInput));\n if (skipped.length > 0) {\n getParsingFlags(config).unusedInput.push(skipped);\n }\n string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n totalParsedInputLength += parsedInput.length;\n }\n // don't parse if it's not a known token\n if (formatTokenFunctions[token]) {\n if (parsedInput) {\n getParsingFlags(config).empty = false;\n }\n else {\n getParsingFlags(config).unusedTokens.push(token);\n }\n addTimeToArrayFromToken(token, parsedInput, config);\n }\n else if (config._strict && !parsedInput) {\n getParsingFlags(config).unusedTokens.push(token);\n }\n }\n\n // add remaining unparsed input length to the string\n getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n if (string.length > 0) {\n getParsingFlags(config).unusedInput.push(string);\n }\n\n // clear _12h flag if hour is <= 12\n if (config._a[HOUR] <= 12 &&\n getParsingFlags(config).bigHour === true &&\n config._a[HOUR] > 0) {\n getParsingFlags(config).bigHour = undefined;\n }\n\n getParsingFlags(config).parsedDateParts = config._a.slice(0);\n getParsingFlags(config).meridiem = config._meridiem;\n // handle meridiem\n config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);\n\n configFromArray(config);\n checkOverflow(config);\n}\n\n\nfunction meridiemFixWrap (locale, hour, meridiem) {\n var isPm;\n\n if (meridiem == null) {\n // nothing to do\n return hour;\n }\n if (locale.meridiemHour != null) {\n return locale.meridiemHour(hour, meridiem);\n } else if (locale.isPM != null) {\n // Fallback\n isPm = locale.isPM(meridiem);\n if (isPm && hour < 12) {\n hour += 12;\n }\n if (!isPm && hour === 12) {\n hour = 0;\n }\n return hour;\n } else {\n // this is not supposed to happen\n return hour;\n }\n}\n\n// date from string and array of format strings\nfunction configFromStringAndArray(config) {\n var tempConfig,\n bestMoment,\n\n scoreToBeat,\n i,\n currentScore;\n\n if (config._f.length === 0) {\n getParsingFlags(config).invalidFormat = true;\n config._d = new Date(NaN);\n return;\n }\n\n for (i = 0; i < config._f.length; i++) {\n currentScore = 0;\n tempConfig = copyConfig({}, config);\n if (config._useUTC != null) {\n tempConfig._useUTC = config._useUTC;\n }\n tempConfig._f = config._f[i];\n configFromStringAndFormat(tempConfig);\n\n if (!isValid(tempConfig)) {\n continue;\n }\n\n // if there is any input that was not parsed add a penalty for that format\n currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n //or tokens\n currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n getParsingFlags(tempConfig).score = currentScore;\n\n if (scoreToBeat == null || currentScore < scoreToBeat) {\n scoreToBeat = currentScore;\n bestMoment = tempConfig;\n }\n }\n\n extend(config, bestMoment || tempConfig);\n}\n\nfunction configFromObject(config) {\n if (config._d) {\n return;\n }\n\n var i = normalizeObjectUnits(config._i);\n config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {\n return obj && parseInt(obj, 10);\n });\n\n configFromArray(config);\n}\n\nfunction createFromConfig (config) {\n var res = new Moment(checkOverflow(prepareConfig(config)));\n if (res._nextDay) {\n // Adding is smart enough around DST\n res.add(1, 'd');\n res._nextDay = undefined;\n }\n\n return res;\n}\n\nfunction prepareConfig (config) {\n var input = config._i,\n format = config._f;\n\n config._locale = config._locale || getLocale(config._l);\n\n if (input === null || (format === undefined && input === '')) {\n return createInvalid({nullInput: true});\n }\n\n if (typeof input === 'string') {\n config._i = input = config._locale.preparse(input);\n }\n\n if (isMoment(input)) {\n return new Moment(checkOverflow(input));\n } else if (isDate(input)) {\n config._d = input;\n } else if (isArray(format)) {\n configFromStringAndArray(config);\n } else if (format) {\n configFromStringAndFormat(config);\n } else {\n configFromInput(config);\n }\n\n if (!isValid(config)) {\n config._d = null;\n }\n\n return config;\n}\n\nfunction configFromInput(config) {\n var input = config._i;\n if (isUndefined(input)) {\n config._d = new Date(hooks.now());\n } else if (isDate(input)) {\n config._d = new Date(input.valueOf());\n } else if (typeof input === 'string') {\n configFromString(config);\n } else if (isArray(input)) {\n config._a = map(input.slice(0), function (obj) {\n return parseInt(obj, 10);\n });\n configFromArray(config);\n } else if (isObject(input)) {\n configFromObject(config);\n } else if (isNumber(input)) {\n // from milliseconds\n config._d = new Date(input);\n } else {\n hooks.createFromInputFallback(config);\n }\n}\n\nfunction createLocalOrUTC (input, format, locale, strict, isUTC) {\n var c = {};\n\n if (locale === true || locale === false) {\n strict = locale;\n locale = undefined;\n }\n\n if ((isObject(input) && isObjectEmpty(input)) ||\n (isArray(input) && input.length === 0)) {\n input = undefined;\n }\n // object construction must be done this way.\n // https://github.com/moment/moment/issues/1423\n c._isAMomentObject = true;\n c._useUTC = c._isUTC = isUTC;\n c._l = locale;\n c._i = input;\n c._f = format;\n c._strict = strict;\n\n return createFromConfig(c);\n}\n\nfunction createLocal (input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, false);\n}\n\nvar prototypeMin = deprecate(\n 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n function () {\n var other = createLocal.apply(null, arguments);\n if (this.isValid() && other.isValid()) {\n return other < this ? this : other;\n } else {\n return createInvalid();\n }\n }\n);\n\nvar prototypeMax = deprecate(\n 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n function () {\n var other = createLocal.apply(null, arguments);\n if (this.isValid() && other.isValid()) {\n return other > this ? this : other;\n } else {\n return createInvalid();\n }\n }\n);\n\n// Pick a moment m from moments so that m[fn](other) is true for all\n// other. This relies on the function fn to be transitive.\n//\n// moments should either be an array of moment objects or an array, whose\n// first element is an array of moment objects.\nfunction pickBy(fn, moments) {\n var res, i;\n if (moments.length === 1 && isArray(moments[0])) {\n moments = moments[0];\n }\n if (!moments.length) {\n return createLocal();\n }\n res = moments[0];\n for (i = 1; i < moments.length; ++i) {\n if (!moments[i].isValid() || moments[i][fn](res)) {\n res = moments[i];\n }\n }\n return res;\n}\n\n// TODO: Use [].sort instead?\nfunction min () {\n var args = [].slice.call(arguments, 0);\n\n return pickBy('isBefore', args);\n}\n\nfunction max () {\n var args = [].slice.call(arguments, 0);\n\n return pickBy('isAfter', args);\n}\n\nvar now = function () {\n return Date.now ? Date.now() : +(new Date());\n};\n\nvar ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];\n\nfunction isDurationValid(m) {\n for (var key in m) {\n if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {\n return false;\n }\n }\n\n var unitHasDecimal = false;\n for (var i = 0; i < ordering.length; ++i) {\n if (m[ordering[i]]) {\n if (unitHasDecimal) {\n return false; // only allow non-integers for smallest unit\n }\n if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n unitHasDecimal = true;\n }\n }\n }\n\n return true;\n}\n\nfunction isValid$1() {\n return this._isValid;\n}\n\nfunction createInvalid$1() {\n return createDuration(NaN);\n}\n\nfunction Duration (duration) {\n var normalizedInput = normalizeObjectUnits(duration),\n years = normalizedInput.year || 0,\n quarters = normalizedInput.quarter || 0,\n months = normalizedInput.month || 0,\n weeks = normalizedInput.week || 0,\n days = normalizedInput.day || 0,\n hours = normalizedInput.hour || 0,\n minutes = normalizedInput.minute || 0,\n seconds = normalizedInput.second || 0,\n milliseconds = normalizedInput.millisecond || 0;\n\n this._isValid = isDurationValid(normalizedInput);\n\n // representation for dateAddRemove\n this._milliseconds = +milliseconds +\n seconds * 1e3 + // 1000\n minutes * 6e4 + // 1000 * 60\n hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n // Because of dateAddRemove treats 24 hours as different from a\n // day when working around DST, we need to store them separately\n this._days = +days +\n weeks * 7;\n // It is impossible translate months into days without knowing\n // which months you are are talking about, so we have to store\n // it separately.\n this._months = +months +\n quarters * 3 +\n years * 12;\n\n this._data = {};\n\n this._locale = getLocale();\n\n this._bubble();\n}\n\nfunction isDuration (obj) {\n return obj instanceof Duration;\n}\n\nfunction absRound (number) {\n if (number < 0) {\n return Math.round(-1 * number) * -1;\n } else {\n return Math.round(number);\n }\n}\n\n// FORMATTING\n\nfunction offset (token, separator) {\n addFormatToken(token, 0, 0, function () {\n var offset = this.utcOffset();\n var sign = '+';\n if (offset < 0) {\n offset = -offset;\n sign = '-';\n }\n return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);\n });\n}\n\noffset('Z', ':');\noffset('ZZ', '');\n\n// PARSING\n\naddRegexToken('Z', matchShortOffset);\naddRegexToken('ZZ', matchShortOffset);\naddParseToken(['Z', 'ZZ'], function (input, array, config) {\n config._useUTC = true;\n config._tzm = offsetFromString(matchShortOffset, input);\n});\n\n// HELPERS\n\n// timezone chunker\n// '+10:00' > ['10', '00']\n// '-1530' > ['-15', '30']\nvar chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\nfunction offsetFromString(matcher, string) {\n var matches = (string || '').match(matcher);\n\n if (matches === null) {\n return null;\n }\n\n var chunk = matches[matches.length - 1] || [];\n var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n var minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n return minutes === 0 ?\n 0 :\n parts[0] === '+' ? minutes : -minutes;\n}\n\n// Return a moment from input, that is local/utc/zone equivalent to model.\nfunction cloneWithOffset(input, model) {\n var res, diff;\n if (model._isUTC) {\n res = model.clone();\n diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();\n // Use low-level api, because this fn is low-level api.\n res._d.setTime(res._d.valueOf() + diff);\n hooks.updateOffset(res, false);\n return res;\n } else {\n return createLocal(input).local();\n }\n}\n\nfunction getDateOffset (m) {\n // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n // https://github.com/moment/moment/pull/1871\n return -Math.round(m._d.getTimezoneOffset() / 15) * 15;\n}\n\n// HOOKS\n\n// This function will be called whenever a moment is mutated.\n// It is intended to keep the offset in sync with the timezone.\nhooks.updateOffset = function () {};\n\n// MOMENTS\n\n// keepLocalTime = true means only change the timezone, without\n// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n// +0200, so we adjust the time as needed, to be valid.\n//\n// Keeping the time actually adds/subtracts (one hour)\n// from the actual represented time. That is why we call updateOffset\n// a second time. In case it wants us to change the offset again\n// _changeInProgress == true case, then we have to adjust, because\n// there is no such time in the given timezone.\nfunction getSetOffset (input, keepLocalTime, keepMinutes) {\n var offset = this._offset || 0,\n localAdjust;\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n if (input != null) {\n if (typeof input === 'string') {\n input = offsetFromString(matchShortOffset, input);\n if (input === null) {\n return this;\n }\n } else if (Math.abs(input) < 16 && !keepMinutes) {\n input = input * 60;\n }\n if (!this._isUTC && keepLocalTime) {\n localAdjust = getDateOffset(this);\n }\n this._offset = input;\n this._isUTC = true;\n if (localAdjust != null) {\n this.add(localAdjust, 'm');\n }\n if (offset !== input) {\n if (!keepLocalTime || this._changeInProgress) {\n addSubtract(this, createDuration(input - offset, 'm'), 1, false);\n } else if (!this._changeInProgress) {\n this._changeInProgress = true;\n hooks.updateOffset(this, true);\n this._changeInProgress = null;\n }\n }\n return this;\n } else {\n return this._isUTC ? offset : getDateOffset(this);\n }\n}\n\nfunction getSetZone (input, keepLocalTime) {\n if (input != null) {\n if (typeof input !== 'string') {\n input = -input;\n }\n\n this.utcOffset(input, keepLocalTime);\n\n return this;\n } else {\n return -this.utcOffset();\n }\n}\n\nfunction setOffsetToUTC (keepLocalTime) {\n return this.utcOffset(0, keepLocalTime);\n}\n\nfunction setOffsetToLocal (keepLocalTime) {\n if (this._isUTC) {\n this.utcOffset(0, keepLocalTime);\n this._isUTC = false;\n\n if (keepLocalTime) {\n this.subtract(getDateOffset(this), 'm');\n }\n }\n return this;\n}\n\nfunction setOffsetToParsedOffset () {\n if (this._tzm != null) {\n this.utcOffset(this._tzm, false, true);\n } else if (typeof this._i === 'string') {\n var tZone = offsetFromString(matchOffset, this._i);\n if (tZone != null) {\n this.utcOffset(tZone);\n }\n else {\n this.utcOffset(0, true);\n }\n }\n return this;\n}\n\nfunction hasAlignedHourOffset (input) {\n if (!this.isValid()) {\n return false;\n }\n input = input ? createLocal(input).utcOffset() : 0;\n\n return (this.utcOffset() - input) % 60 === 0;\n}\n\nfunction isDaylightSavingTime () {\n return (\n this.utcOffset() > this.clone().month(0).utcOffset() ||\n this.utcOffset() > this.clone().month(5).utcOffset()\n );\n}\n\nfunction isDaylightSavingTimeShifted () {\n if (!isUndefined(this._isDSTShifted)) {\n return this._isDSTShifted;\n }\n\n var c = {};\n\n copyConfig(c, this);\n c = prepareConfig(c);\n\n if (c._a) {\n var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n this._isDSTShifted = this.isValid() &&\n compareArrays(c._a, other.toArray()) > 0;\n } else {\n this._isDSTShifted = false;\n }\n\n return this._isDSTShifted;\n}\n\nfunction isLocal () {\n return this.isValid() ? !this._isUTC : false;\n}\n\nfunction isUtcOffset () {\n return this.isValid() ? this._isUTC : false;\n}\n\nfunction isUtc () {\n return this.isValid() ? this._isUTC && this._offset === 0 : false;\n}\n\n// ASP.NET json date format regex\nvar aspNetRegex = /^(\\-)?(?:(\\d*)[. ])?(\\d+)\\:(\\d+)(?:\\:(\\d+)(\\.\\d*)?)?$/;\n\n// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n// and further modified to allow for strings containing both week and day\nvar isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;\n\nfunction createDuration (input, key) {\n var duration = input,\n // matching against regexp is expensive, do it on demand\n match = null,\n sign,\n ret,\n diffRes;\n\n if (isDuration(input)) {\n duration = {\n ms : input._milliseconds,\n d : input._days,\n M : input._months\n };\n } else if (isNumber(input)) {\n duration = {};\n if (key) {\n duration[key] = input;\n } else {\n duration.milliseconds = input;\n }\n } else if (!!(match = aspNetRegex.exec(input))) {\n sign = (match[1] === '-') ? -1 : 1;\n duration = {\n y : 0,\n d : toInt(match[DATE]) * sign,\n h : toInt(match[HOUR]) * sign,\n m : toInt(match[MINUTE]) * sign,\n s : toInt(match[SECOND]) * sign,\n ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match\n };\n } else if (!!(match = isoRegex.exec(input))) {\n sign = (match[1] === '-') ? -1 : 1;\n duration = {\n y : parseIso(match[2], sign),\n M : parseIso(match[3], sign),\n w : parseIso(match[4], sign),\n d : parseIso(match[5], sign),\n h : parseIso(match[6], sign),\n m : parseIso(match[7], sign),\n s : parseIso(match[8], sign)\n };\n } else if (duration == null) {// checks for null or undefined\n duration = {};\n } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));\n\n duration = {};\n duration.ms = diffRes.milliseconds;\n duration.M = diffRes.months;\n }\n\n ret = new Duration(duration);\n\n if (isDuration(input) && hasOwnProp(input, '_locale')) {\n ret._locale = input._locale;\n }\n\n return ret;\n}\n\ncreateDuration.fn = Duration.prototype;\ncreateDuration.invalid = createInvalid$1;\n\nfunction parseIso (inp, sign) {\n // We'd normally use ~~inp for this, but unfortunately it also\n // converts floats to ints.\n // inp may be undefined, so careful calling replace on it.\n var res = inp && parseFloat(inp.replace(',', '.'));\n // apply sign while we're at it\n return (isNaN(res) ? 0 : res) * sign;\n}\n\nfunction positiveMomentsDifference(base, other) {\n var res = {milliseconds: 0, months: 0};\n\n res.months = other.month() - base.month() +\n (other.year() - base.year()) * 12;\n if (base.clone().add(res.months, 'M').isAfter(other)) {\n --res.months;\n }\n\n res.milliseconds = +other - +(base.clone().add(res.months, 'M'));\n\n return res;\n}\n\nfunction momentsDifference(base, other) {\n var res;\n if (!(base.isValid() && other.isValid())) {\n return {milliseconds: 0, months: 0};\n }\n\n other = cloneWithOffset(other, base);\n if (base.isBefore(other)) {\n res = positiveMomentsDifference(base, other);\n } else {\n res = positiveMomentsDifference(other, base);\n res.milliseconds = -res.milliseconds;\n res.months = -res.months;\n }\n\n return res;\n}\n\n// TODO: remove 'name' arg after deprecation is removed\nfunction createAdder(direction, name) {\n return function (val, period) {\n var dur, tmp;\n //invert the arguments, but complain about it\n if (period !== null && !isNaN(+period)) {\n deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +\n 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');\n tmp = val; val = period; period = tmp;\n }\n\n val = typeof val === 'string' ? +val : val;\n dur = createDuration(val, period);\n addSubtract(this, dur, direction);\n return this;\n };\n}\n\nfunction addSubtract (mom, duration, isAdding, updateOffset) {\n var milliseconds = duration._milliseconds,\n days = absRound(duration._days),\n months = absRound(duration._months);\n\n if (!mom.isValid()) {\n // No op\n return;\n }\n\n updateOffset = updateOffset == null ? true : updateOffset;\n\n if (milliseconds) {\n mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n }\n if (days) {\n set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n }\n if (months) {\n setMonth(mom, get(mom, 'Month') + months * isAdding);\n }\n if (updateOffset) {\n hooks.updateOffset(mom, days || months);\n }\n}\n\nvar add = createAdder(1, 'add');\nvar subtract = createAdder(-1, 'subtract');\n\nfunction getCalendarFormat(myMoment, now) {\n var diff = myMoment.diff(now, 'days', true);\n return diff < -6 ? 'sameElse' :\n diff < -1 ? 'lastWeek' :\n diff < 0 ? 'lastDay' :\n diff < 1 ? 'sameDay' :\n diff < 2 ? 'nextDay' :\n diff < 7 ? 'nextWeek' : 'sameElse';\n}\n\nfunction calendar$1 (time, formats) {\n // We want to compare the start of today, vs this.\n // Getting start-of-today depends on whether we're local/utc/offset or not.\n var now = time || createLocal(),\n sod = cloneWithOffset(now, this).startOf('day'),\n format = hooks.calendarFormat(this, sod) || 'sameElse';\n\n var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);\n\n return this.format(output || this.localeData().calendar(format, this, createLocal(now)));\n}\n\nfunction clone () {\n return new Moment(this);\n}\n\nfunction isAfter (input, units) {\n var localInput = isMoment(input) ? input : createLocal(input);\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n if (units === 'millisecond') {\n return this.valueOf() > localInput.valueOf();\n } else {\n return localInput.valueOf() < this.clone().startOf(units).valueOf();\n }\n}\n\nfunction isBefore (input, units) {\n var localInput = isMoment(input) ? input : createLocal(input);\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n if (units === 'millisecond') {\n return this.valueOf() < localInput.valueOf();\n } else {\n return this.clone().endOf(units).valueOf() < localInput.valueOf();\n }\n}\n\nfunction isBetween (from, to, units, inclusivity) {\n inclusivity = inclusivity || '()';\n return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&\n (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));\n}\n\nfunction isSame (input, units) {\n var localInput = isMoment(input) ? input : createLocal(input),\n inputMs;\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n units = normalizeUnits(units || 'millisecond');\n if (units === 'millisecond') {\n return this.valueOf() === localInput.valueOf();\n } else {\n inputMs = localInput.valueOf();\n return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();\n }\n}\n\nfunction isSameOrAfter (input, units) {\n return this.isSame(input, units) || this.isAfter(input,units);\n}\n\nfunction isSameOrBefore (input, units) {\n return this.isSame(input, units) || this.isBefore(input,units);\n}\n\nfunction diff (input, units, asFloat) {\n var that,\n zoneDelta,\n delta, output;\n\n if (!this.isValid()) {\n return NaN;\n }\n\n that = cloneWithOffset(input, this);\n\n if (!that.isValid()) {\n return NaN;\n }\n\n zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n units = normalizeUnits(units);\n\n if (units === 'year' || units === 'month' || units === 'quarter') {\n output = monthDiff(this, that);\n if (units === 'quarter') {\n output = output / 3;\n } else if (units === 'year') {\n output = output / 12;\n }\n } else {\n delta = this - that;\n output = units === 'second' ? delta / 1e3 : // 1000\n units === 'minute' ? delta / 6e4 : // 1000 * 60\n units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60\n units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst\n units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst\n delta;\n }\n return asFloat ? output : absFloor(output);\n}\n\nfunction monthDiff (a, b) {\n // difference in months\n var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),\n // b is in (anchor - 1 month, anchor + 1 month)\n anchor = a.clone().add(wholeMonthDiff, 'months'),\n anchor2, adjust;\n\n if (b - anchor < 0) {\n anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n // linear across the month\n adjust = (b - anchor) / (anchor - anchor2);\n } else {\n anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n // linear across the month\n adjust = (b - anchor) / (anchor2 - anchor);\n }\n\n //check for negative zero, return zero if negative zero\n return -(wholeMonthDiff + adjust) || 0;\n}\n\nhooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\nhooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\nfunction toString () {\n return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n}\n\nfunction toISOString() {\n if (!this.isValid()) {\n return null;\n }\n var m = this.clone().utc();\n if (m.year() < 0 || m.year() > 9999) {\n return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n }\n if (isFunction(Date.prototype.toISOString)) {\n // native implementation is ~50x faster, use it when we can\n return this.toDate().toISOString();\n }\n return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n}\n\n/**\n * Return a human readable representation of a moment that can\n * also be evaluated to get a new moment which is the same\n *\n * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n */\nfunction inspect () {\n if (!this.isValid()) {\n return 'moment.invalid(/* ' + this._i + ' */)';\n }\n var func = 'moment';\n var zone = '';\n if (!this.isLocal()) {\n func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n zone = 'Z';\n }\n var prefix = '[' + func + '(\"]';\n var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';\n var datetime = '-MM-DD[T]HH:mm:ss.SSS';\n var suffix = zone + '[\")]';\n\n return this.format(prefix + year + datetime + suffix);\n}\n\nfunction format (inputString) {\n if (!inputString) {\n inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;\n }\n var output = formatMoment(this, inputString);\n return this.localeData().postformat(output);\n}\n\nfunction from (time, withoutSuffix) {\n if (this.isValid() &&\n ((isMoment(time) && time.isValid()) ||\n createLocal(time).isValid())) {\n return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);\n } else {\n return this.localeData().invalidDate();\n }\n}\n\nfunction fromNow (withoutSuffix) {\n return this.from(createLocal(), withoutSuffix);\n}\n\nfunction to (time, withoutSuffix) {\n if (this.isValid() &&\n ((isMoment(time) && time.isValid()) ||\n createLocal(time).isValid())) {\n return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);\n } else {\n return this.localeData().invalidDate();\n }\n}\n\nfunction toNow (withoutSuffix) {\n return this.to(createLocal(), withoutSuffix);\n}\n\n// If passed a locale key, it will set the locale for this\n// instance. Otherwise, it will return the locale configuration\n// variables for this instance.\nfunction locale (key) {\n var newLocaleData;\n\n if (key === undefined) {\n return this._locale._abbr;\n } else {\n newLocaleData = getLocale(key);\n if (newLocaleData != null) {\n this._locale = newLocaleData;\n }\n return this;\n }\n}\n\nvar lang = deprecate(\n 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n function (key) {\n if (key === undefined) {\n return this.localeData();\n } else {\n return this.locale(key);\n }\n }\n);\n\nfunction localeData () {\n return this._locale;\n}\n\nfunction startOf (units) {\n units = normalizeUnits(units);\n // the following switch intentionally omits break keywords\n // to utilize falling through the cases.\n switch (units) {\n case 'year':\n this.month(0);\n /* falls through */\n case 'quarter':\n case 'month':\n this.date(1);\n /* falls through */\n case 'week':\n case 'isoWeek':\n case 'day':\n case 'date':\n this.hours(0);\n /* falls through */\n case 'hour':\n this.minutes(0);\n /* falls through */\n case 'minute':\n this.seconds(0);\n /* falls through */\n case 'second':\n this.milliseconds(0);\n }\n\n // weeks are a special case\n if (units === 'week') {\n this.weekday(0);\n }\n if (units === 'isoWeek') {\n this.isoWeekday(1);\n }\n\n // quarters are also special\n if (units === 'quarter') {\n this.month(Math.floor(this.month() / 3) * 3);\n }\n\n return this;\n}\n\nfunction endOf (units) {\n units = normalizeUnits(units);\n if (units === undefined || units === 'millisecond') {\n return this;\n }\n\n // 'date' is an alias for 'day', so it should be considered as such.\n if (units === 'date') {\n units = 'day';\n }\n\n return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');\n}\n\nfunction valueOf () {\n return this._d.valueOf() - ((this._offset || 0) * 60000);\n}\n\nfunction unix () {\n return Math.floor(this.valueOf() / 1000);\n}\n\nfunction toDate () {\n return new Date(this.valueOf());\n}\n\nfunction toArray () {\n var m = this;\n return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n}\n\nfunction toObject () {\n var m = this;\n return {\n years: m.year(),\n months: m.month(),\n date: m.date(),\n hours: m.hours(),\n minutes: m.minutes(),\n seconds: m.seconds(),\n milliseconds: m.milliseconds()\n };\n}\n\nfunction toJSON () {\n // new Date(NaN).toJSON() === null\n return this.isValid() ? this.toISOString() : null;\n}\n\nfunction isValid$2 () {\n return isValid(this);\n}\n\nfunction parsingFlags () {\n return extend({}, getParsingFlags(this));\n}\n\nfunction invalidAt () {\n return getParsingFlags(this).overflow;\n}\n\nfunction creationData() {\n return {\n input: this._i,\n format: this._f,\n locale: this._locale,\n isUTC: this._isUTC,\n strict: this._strict\n };\n}\n\n// FORMATTING\n\naddFormatToken(0, ['gg', 2], 0, function () {\n return this.weekYear() % 100;\n});\n\naddFormatToken(0, ['GG', 2], 0, function () {\n return this.isoWeekYear() % 100;\n});\n\nfunction addWeekYearFormatToken (token, getter) {\n addFormatToken(0, [token, token.length], 0, getter);\n}\n\naddWeekYearFormatToken('gggg', 'weekYear');\naddWeekYearFormatToken('ggggg', 'weekYear');\naddWeekYearFormatToken('GGGG', 'isoWeekYear');\naddWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n// ALIASES\n\naddUnitAlias('weekYear', 'gg');\naddUnitAlias('isoWeekYear', 'GG');\n\n// PRIORITY\n\naddUnitPriority('weekYear', 1);\naddUnitPriority('isoWeekYear', 1);\n\n\n// PARSING\n\naddRegexToken('G', matchSigned);\naddRegexToken('g', matchSigned);\naddRegexToken('GG', match1to2, match2);\naddRegexToken('gg', match1to2, match2);\naddRegexToken('GGGG', match1to4, match4);\naddRegexToken('gggg', match1to4, match4);\naddRegexToken('GGGGG', match1to6, match6);\naddRegexToken('ggggg', match1to6, match6);\n\naddWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n week[token.substr(0, 2)] = toInt(input);\n});\n\naddWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n week[token] = hooks.parseTwoDigitYear(input);\n});\n\n// MOMENTS\n\nfunction getSetWeekYear (input) {\n return getSetWeekYearHelper.call(this,\n input,\n this.week(),\n this.weekday(),\n this.localeData()._week.dow,\n this.localeData()._week.doy);\n}\n\nfunction getSetISOWeekYear (input) {\n return getSetWeekYearHelper.call(this,\n input, this.isoWeek(), this.isoWeekday(), 1, 4);\n}\n\nfunction getISOWeeksInYear () {\n return weeksInYear(this.year(), 1, 4);\n}\n\nfunction getWeeksInYear () {\n var weekInfo = this.localeData()._week;\n return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n}\n\nfunction getSetWeekYearHelper(input, week, weekday, dow, doy) {\n var weeksTarget;\n if (input == null) {\n return weekOfYear(this, dow, doy).year;\n } else {\n weeksTarget = weeksInYear(input, dow, doy);\n if (week > weeksTarget) {\n week = weeksTarget;\n }\n return setWeekAll.call(this, input, week, weekday, dow, doy);\n }\n}\n\nfunction setWeekAll(weekYear, week, weekday, dow, doy) {\n var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n\n this.year(date.getUTCFullYear());\n this.month(date.getUTCMonth());\n this.date(date.getUTCDate());\n return this;\n}\n\n// FORMATTING\n\naddFormatToken('Q', 0, 'Qo', 'quarter');\n\n// ALIASES\n\naddUnitAlias('quarter', 'Q');\n\n// PRIORITY\n\naddUnitPriority('quarter', 7);\n\n// PARSING\n\naddRegexToken('Q', match1);\naddParseToken('Q', function (input, array) {\n array[MONTH] = (toInt(input) - 1) * 3;\n});\n\n// MOMENTS\n\nfunction getSetQuarter (input) {\n return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n}\n\n// FORMATTING\n\naddFormatToken('D', ['DD', 2], 'Do', 'date');\n\n// ALIASES\n\naddUnitAlias('date', 'D');\n\n// PRIOROITY\naddUnitPriority('date', 9);\n\n// PARSING\n\naddRegexToken('D', match1to2);\naddRegexToken('DD', match1to2, match2);\naddRegexToken('Do', function (isStrict, locale) {\n // TODO: Remove \"ordinalParse\" fallback in next major release.\n return isStrict ?\n (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :\n locale._dayOfMonthOrdinalParseLenient;\n});\n\naddParseToken(['D', 'DD'], DATE);\naddParseToken('Do', function (input, array) {\n array[DATE] = toInt(input.match(match1to2)[0], 10);\n});\n\n// MOMENTS\n\nvar getSetDayOfMonth = makeGetSet('Date', true);\n\n// FORMATTING\n\naddFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n// ALIASES\n\naddUnitAlias('dayOfYear', 'DDD');\n\n// PRIORITY\naddUnitPriority('dayOfYear', 4);\n\n// PARSING\n\naddRegexToken('DDD', match1to3);\naddRegexToken('DDDD', match3);\naddParseToken(['DDD', 'DDDD'], function (input, array, config) {\n config._dayOfYear = toInt(input);\n});\n\n// HELPERS\n\n// MOMENTS\n\nfunction getSetDayOfYear (input) {\n var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');\n}\n\n// FORMATTING\n\naddFormatToken('m', ['mm', 2], 0, 'minute');\n\n// ALIASES\n\naddUnitAlias('minute', 'm');\n\n// PRIORITY\n\naddUnitPriority('minute', 14);\n\n// PARSING\n\naddRegexToken('m', match1to2);\naddRegexToken('mm', match1to2, match2);\naddParseToken(['m', 'mm'], MINUTE);\n\n// MOMENTS\n\nvar getSetMinute = makeGetSet('Minutes', false);\n\n// FORMATTING\n\naddFormatToken('s', ['ss', 2], 0, 'second');\n\n// ALIASES\n\naddUnitAlias('second', 's');\n\n// PRIORITY\n\naddUnitPriority('second', 15);\n\n// PARSING\n\naddRegexToken('s', match1to2);\naddRegexToken('ss', match1to2, match2);\naddParseToken(['s', 'ss'], SECOND);\n\n// MOMENTS\n\nvar getSetSecond = makeGetSet('Seconds', false);\n\n// FORMATTING\n\naddFormatToken('S', 0, 0, function () {\n return ~~(this.millisecond() / 100);\n});\n\naddFormatToken(0, ['SS', 2], 0, function () {\n return ~~(this.millisecond() / 10);\n});\n\naddFormatToken(0, ['SSS', 3], 0, 'millisecond');\naddFormatToken(0, ['SSSS', 4], 0, function () {\n return this.millisecond() * 10;\n});\naddFormatToken(0, ['SSSSS', 5], 0, function () {\n return this.millisecond() * 100;\n});\naddFormatToken(0, ['SSSSSS', 6], 0, function () {\n return this.millisecond() * 1000;\n});\naddFormatToken(0, ['SSSSSSS', 7], 0, function () {\n return this.millisecond() * 10000;\n});\naddFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n return this.millisecond() * 100000;\n});\naddFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n return this.millisecond() * 1000000;\n});\n\n\n// ALIASES\n\naddUnitAlias('millisecond', 'ms');\n\n// PRIORITY\n\naddUnitPriority('millisecond', 16);\n\n// PARSING\n\naddRegexToken('S', match1to3, match1);\naddRegexToken('SS', match1to3, match2);\naddRegexToken('SSS', match1to3, match3);\n\nvar token;\nfor (token = 'SSSS'; token.length <= 9; token += 'S') {\n addRegexToken(token, matchUnsigned);\n}\n\nfunction parseMs(input, array) {\n array[MILLISECOND] = toInt(('0.' + input) * 1000);\n}\n\nfor (token = 'S'; token.length <= 9; token += 'S') {\n addParseToken(token, parseMs);\n}\n// MOMENTS\n\nvar getSetMillisecond = makeGetSet('Milliseconds', false);\n\n// FORMATTING\n\naddFormatToken('z', 0, 0, 'zoneAbbr');\naddFormatToken('zz', 0, 0, 'zoneName');\n\n// MOMENTS\n\nfunction getZoneAbbr () {\n return this._isUTC ? 'UTC' : '';\n}\n\nfunction getZoneName () {\n return this._isUTC ? 'Coordinated Universal Time' : '';\n}\n\nvar proto = Moment.prototype;\n\nproto.add = add;\nproto.calendar = calendar$1;\nproto.clone = clone;\nproto.diff = diff;\nproto.endOf = endOf;\nproto.format = format;\nproto.from = from;\nproto.fromNow = fromNow;\nproto.to = to;\nproto.toNow = toNow;\nproto.get = stringGet;\nproto.invalidAt = invalidAt;\nproto.isAfter = isAfter;\nproto.isBefore = isBefore;\nproto.isBetween = isBetween;\nproto.isSame = isSame;\nproto.isSameOrAfter = isSameOrAfter;\nproto.isSameOrBefore = isSameOrBefore;\nproto.isValid = isValid$2;\nproto.lang = lang;\nproto.locale = locale;\nproto.localeData = localeData;\nproto.max = prototypeMax;\nproto.min = prototypeMin;\nproto.parsingFlags = parsingFlags;\nproto.set = stringSet;\nproto.startOf = startOf;\nproto.subtract = subtract;\nproto.toArray = toArray;\nproto.toObject = toObject;\nproto.toDate = toDate;\nproto.toISOString = toISOString;\nproto.inspect = inspect;\nproto.toJSON = toJSON;\nproto.toString = toString;\nproto.unix = unix;\nproto.valueOf = valueOf;\nproto.creationData = creationData;\n\n// Year\nproto.year = getSetYear;\nproto.isLeapYear = getIsLeapYear;\n\n// Week Year\nproto.weekYear = getSetWeekYear;\nproto.isoWeekYear = getSetISOWeekYear;\n\n// Quarter\nproto.quarter = proto.quarters = getSetQuarter;\n\n// Month\nproto.month = getSetMonth;\nproto.daysInMonth = getDaysInMonth;\n\n// Week\nproto.week = proto.weeks = getSetWeek;\nproto.isoWeek = proto.isoWeeks = getSetISOWeek;\nproto.weeksInYear = getWeeksInYear;\nproto.isoWeeksInYear = getISOWeeksInYear;\n\n// Day\nproto.date = getSetDayOfMonth;\nproto.day = proto.days = getSetDayOfWeek;\nproto.weekday = getSetLocaleDayOfWeek;\nproto.isoWeekday = getSetISODayOfWeek;\nproto.dayOfYear = getSetDayOfYear;\n\n// Hour\nproto.hour = proto.hours = getSetHour;\n\n// Minute\nproto.minute = proto.minutes = getSetMinute;\n\n// Second\nproto.second = proto.seconds = getSetSecond;\n\n// Millisecond\nproto.millisecond = proto.milliseconds = getSetMillisecond;\n\n// Offset\nproto.utcOffset = getSetOffset;\nproto.utc = setOffsetToUTC;\nproto.local = setOffsetToLocal;\nproto.parseZone = setOffsetToParsedOffset;\nproto.hasAlignedHourOffset = hasAlignedHourOffset;\nproto.isDST = isDaylightSavingTime;\nproto.isLocal = isLocal;\nproto.isUtcOffset = isUtcOffset;\nproto.isUtc = isUtc;\nproto.isUTC = isUtc;\n\n// Timezone\nproto.zoneAbbr = getZoneAbbr;\nproto.zoneName = getZoneName;\n\n// Deprecations\nproto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\nproto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\nproto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear);\nproto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);\nproto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);\n\nfunction createUnix (input) {\n return createLocal(input * 1000);\n}\n\nfunction createInZone () {\n return createLocal.apply(null, arguments).parseZone();\n}\n\nfunction preParsePostFormat (string) {\n return string;\n}\n\nvar proto$1 = Locale.prototype;\n\nproto$1.calendar = calendar;\nproto$1.longDateFormat = longDateFormat;\nproto$1.invalidDate = invalidDate;\nproto$1.ordinal = ordinal;\nproto$1.preparse = preParsePostFormat;\nproto$1.postformat = preParsePostFormat;\nproto$1.relativeTime = relativeTime;\nproto$1.pastFuture = pastFuture;\nproto$1.set = set;\n\n// Month\nproto$1.months = localeMonths;\nproto$1.monthsShort = localeMonthsShort;\nproto$1.monthsParse = localeMonthsParse;\nproto$1.monthsRegex = monthsRegex;\nproto$1.monthsShortRegex = monthsShortRegex;\n\n// Week\nproto$1.week = localeWeek;\nproto$1.firstDayOfYear = localeFirstDayOfYear;\nproto$1.firstDayOfWeek = localeFirstDayOfWeek;\n\n// Day of Week\nproto$1.weekdays = localeWeekdays;\nproto$1.weekdaysMin = localeWeekdaysMin;\nproto$1.weekdaysShort = localeWeekdaysShort;\nproto$1.weekdaysParse = localeWeekdaysParse;\n\nproto$1.weekdaysRegex = weekdaysRegex;\nproto$1.weekdaysShortRegex = weekdaysShortRegex;\nproto$1.weekdaysMinRegex = weekdaysMinRegex;\n\n// Hours\nproto$1.isPM = localeIsPM;\nproto$1.meridiem = localeMeridiem;\n\nfunction get$1 (format, index, field, setter) {\n var locale = getLocale();\n var utc = createUTC().set(setter, index);\n return locale[field](utc, format);\n}\n\nfunction listMonthsImpl (format, index, field) {\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n\n if (index != null) {\n return get$1(format, index, field, 'month');\n }\n\n var i;\n var out = [];\n for (i = 0; i < 12; i++) {\n out[i] = get$1(format, i, field, 'month');\n }\n return out;\n}\n\n// ()\n// (5)\n// (fmt, 5)\n// (fmt)\n// (true)\n// (true, 5)\n// (true, fmt, 5)\n// (true, fmt)\nfunction listWeekdaysImpl (localeSorted, format, index, field) {\n if (typeof localeSorted === 'boolean') {\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n } else {\n format = localeSorted;\n index = format;\n localeSorted = false;\n\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n }\n\n var locale = getLocale(),\n shift = localeSorted ? locale._week.dow : 0;\n\n if (index != null) {\n return get$1(format, (index + shift) % 7, field, 'day');\n }\n\n var i;\n var out = [];\n for (i = 0; i < 7; i++) {\n out[i] = get$1(format, (i + shift) % 7, field, 'day');\n }\n return out;\n}\n\nfunction listMonths (format, index) {\n return listMonthsImpl(format, index, 'months');\n}\n\nfunction listMonthsShort (format, index) {\n return listMonthsImpl(format, index, 'monthsShort');\n}\n\nfunction listWeekdays (localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n}\n\nfunction listWeekdaysShort (localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n}\n\nfunction listWeekdaysMin (localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n}\n\ngetSetGlobalLocale('en', {\n dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n ordinal : function (number) {\n var b = number % 10,\n output = (toInt(number % 100 / 10) === 1) ? 'th' :\n (b === 1) ? 'st' :\n (b === 2) ? 'nd' :\n (b === 3) ? 'rd' : 'th';\n return number + output;\n }\n});\n\n// Side effect imports\nhooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);\nhooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);\n\nvar mathAbs = Math.abs;\n\nfunction abs () {\n var data = this._data;\n\n this._milliseconds = mathAbs(this._milliseconds);\n this._days = mathAbs(this._days);\n this._months = mathAbs(this._months);\n\n data.milliseconds = mathAbs(data.milliseconds);\n data.seconds = mathAbs(data.seconds);\n data.minutes = mathAbs(data.minutes);\n data.hours = mathAbs(data.hours);\n data.months = mathAbs(data.months);\n data.years = mathAbs(data.years);\n\n return this;\n}\n\nfunction addSubtract$1 (duration, input, value, direction) {\n var other = createDuration(input, value);\n\n duration._milliseconds += direction * other._milliseconds;\n duration._days += direction * other._days;\n duration._months += direction * other._months;\n\n return duration._bubble();\n}\n\n// supports only 2.0-style add(1, 's') or add(duration)\nfunction add$1 (input, value) {\n return addSubtract$1(this, input, value, 1);\n}\n\n// supports only 2.0-style subtract(1, 's') or subtract(duration)\nfunction subtract$1 (input, value) {\n return addSubtract$1(this, input, value, -1);\n}\n\nfunction absCeil (number) {\n if (number < 0) {\n return Math.floor(number);\n } else {\n return Math.ceil(number);\n }\n}\n\nfunction bubble () {\n var milliseconds = this._milliseconds;\n var days = this._days;\n var months = this._months;\n var data = this._data;\n var seconds, minutes, hours, years, monthsFromDays;\n\n // if we have a mix of positive and negative values, bubble down first\n // check: https://github.com/moment/moment/issues/2166\n if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||\n (milliseconds <= 0 && days <= 0 && months <= 0))) {\n milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n days = 0;\n months = 0;\n }\n\n // The following code bubbles up values, see the tests for\n // examples of what that means.\n data.milliseconds = milliseconds % 1000;\n\n seconds = absFloor(milliseconds / 1000);\n data.seconds = seconds % 60;\n\n minutes = absFloor(seconds / 60);\n data.minutes = minutes % 60;\n\n hours = absFloor(minutes / 60);\n data.hours = hours % 24;\n\n days += absFloor(hours / 24);\n\n // convert days to months\n monthsFromDays = absFloor(daysToMonths(days));\n months += monthsFromDays;\n days -= absCeil(monthsToDays(monthsFromDays));\n\n // 12 months -> 1 year\n years = absFloor(months / 12);\n months %= 12;\n\n data.days = days;\n data.months = months;\n data.years = years;\n\n return this;\n}\n\nfunction daysToMonths (days) {\n // 400 years have 146097 days (taking into account leap year rules)\n // 400 years have 12 months === 4800\n return days * 4800 / 146097;\n}\n\nfunction monthsToDays (months) {\n // the reverse of daysToMonths\n return months * 146097 / 4800;\n}\n\nfunction as (units) {\n if (!this.isValid()) {\n return NaN;\n }\n var days;\n var months;\n var milliseconds = this._milliseconds;\n\n units = normalizeUnits(units);\n\n if (units === 'month' || units === 'year') {\n days = this._days + milliseconds / 864e5;\n months = this._months + daysToMonths(days);\n return units === 'month' ? months : months / 12;\n } else {\n // handle milliseconds separately because of floating point math errors (issue #1867)\n days = this._days + Math.round(monthsToDays(this._months));\n switch (units) {\n case 'week' : return days / 7 + milliseconds / 6048e5;\n case 'day' : return days + milliseconds / 864e5;\n case 'hour' : return days * 24 + milliseconds / 36e5;\n case 'minute' : return days * 1440 + milliseconds / 6e4;\n case 'second' : return days * 86400 + milliseconds / 1000;\n // Math.floor prevents floating point math errors here\n case 'millisecond': return Math.floor(days * 864e5) + milliseconds;\n default: throw new Error('Unknown unit ' + units);\n }\n }\n}\n\n// TODO: Use this.as('ms')?\nfunction valueOf$1 () {\n if (!this.isValid()) {\n return NaN;\n }\n return (\n this._milliseconds +\n this._days * 864e5 +\n (this._months % 12) * 2592e6 +\n toInt(this._months / 12) * 31536e6\n );\n}\n\nfunction makeAs (alias) {\n return function () {\n return this.as(alias);\n };\n}\n\nvar asMilliseconds = makeAs('ms');\nvar asSeconds = makeAs('s');\nvar asMinutes = makeAs('m');\nvar asHours = makeAs('h');\nvar asDays = makeAs('d');\nvar asWeeks = makeAs('w');\nvar asMonths = makeAs('M');\nvar asYears = makeAs('y');\n\nfunction get$2 (units) {\n units = normalizeUnits(units);\n return this.isValid() ? this[units + 's']() : NaN;\n}\n\nfunction makeGetter(name) {\n return function () {\n return this.isValid() ? this._data[name] : NaN;\n };\n}\n\nvar milliseconds = makeGetter('milliseconds');\nvar seconds = makeGetter('seconds');\nvar minutes = makeGetter('minutes');\nvar hours = makeGetter('hours');\nvar days = makeGetter('days');\nvar months = makeGetter('months');\nvar years = makeGetter('years');\n\nfunction weeks () {\n return absFloor(this.days() / 7);\n}\n\nvar round = Math.round;\nvar thresholds = {\n ss: 44, // a few seconds to seconds\n s : 45, // seconds to minute\n m : 45, // minutes to hour\n h : 22, // hours to day\n d : 26, // days to month\n M : 11 // months to year\n};\n\n// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\nfunction substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n}\n\nfunction relativeTime$1 (posNegDuration, withoutSuffix, locale) {\n var duration = createDuration(posNegDuration).abs();\n var seconds = round(duration.as('s'));\n var minutes = round(duration.as('m'));\n var hours = round(duration.as('h'));\n var days = round(duration.as('d'));\n var months = round(duration.as('M'));\n var years = round(duration.as('y'));\n\n var a = seconds <= thresholds.ss && ['s', seconds] ||\n seconds < thresholds.s && ['ss', seconds] ||\n minutes <= 1 && ['m'] ||\n minutes < thresholds.m && ['mm', minutes] ||\n hours <= 1 && ['h'] ||\n hours < thresholds.h && ['hh', hours] ||\n days <= 1 && ['d'] ||\n days < thresholds.d && ['dd', days] ||\n months <= 1 && ['M'] ||\n months < thresholds.M && ['MM', months] ||\n years <= 1 && ['y'] || ['yy', years];\n\n a[2] = withoutSuffix;\n a[3] = +posNegDuration > 0;\n a[4] = locale;\n return substituteTimeAgo.apply(null, a);\n}\n\n// This function allows you to set the rounding function for relative time strings\nfunction getSetRelativeTimeRounding (roundingFunction) {\n if (roundingFunction === undefined) {\n return round;\n }\n if (typeof(roundingFunction) === 'function') {\n round = roundingFunction;\n return true;\n }\n return false;\n}\n\n// This function allows you to set a threshold for relative time strings\nfunction getSetRelativeTimeThreshold (threshold, limit) {\n if (thresholds[threshold] === undefined) {\n return false;\n }\n if (limit === undefined) {\n return thresholds[threshold];\n }\n thresholds[threshold] = limit;\n if (threshold === 's') {\n thresholds.ss = limit - 1;\n }\n return true;\n}\n\nfunction humanize (withSuffix) {\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n\n var locale = this.localeData();\n var output = relativeTime$1(this, !withSuffix, locale);\n\n if (withSuffix) {\n output = locale.pastFuture(+this, output);\n }\n\n return locale.postformat(output);\n}\n\nvar abs$1 = Math.abs;\n\nfunction toISOString$1() {\n // for ISO strings we do not use the normal bubbling rules:\n // * milliseconds bubble up until they become hours\n // * days do not bubble at all\n // * months bubble up until they become years\n // This is because there is no context-free conversion between hours and days\n // (think of clock changes)\n // and also not between days and months (28-31 days per month)\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n\n var seconds = abs$1(this._milliseconds) / 1000;\n var days = abs$1(this._days);\n var months = abs$1(this._months);\n var minutes, hours, years;\n\n // 3600 seconds -> 60 minutes -> 1 hour\n minutes = absFloor(seconds / 60);\n hours = absFloor(minutes / 60);\n seconds %= 60;\n minutes %= 60;\n\n // 12 months -> 1 year\n years = absFloor(months / 12);\n months %= 12;\n\n\n // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n var Y = years;\n var M = months;\n var D = days;\n var h = hours;\n var m = minutes;\n var s = seconds;\n var total = this.asSeconds();\n\n if (!total) {\n // this is the same as C#'s (Noda) and python (isodate)...\n // but not other JS (goog.date)\n return 'P0D';\n }\n\n return (total < 0 ? '-' : '') +\n 'P' +\n (Y ? Y + 'Y' : '') +\n (M ? M + 'M' : '') +\n (D ? D + 'D' : '') +\n ((h || m || s) ? 'T' : '') +\n (h ? h + 'H' : '') +\n (m ? m + 'M' : '') +\n (s ? s + 'S' : '');\n}\n\nvar proto$2 = Duration.prototype;\n\nproto$2.isValid = isValid$1;\nproto$2.abs = abs;\nproto$2.add = add$1;\nproto$2.subtract = subtract$1;\nproto$2.as = as;\nproto$2.asMilliseconds = asMilliseconds;\nproto$2.asSeconds = asSeconds;\nproto$2.asMinutes = asMinutes;\nproto$2.asHours = asHours;\nproto$2.asDays = asDays;\nproto$2.asWeeks = asWeeks;\nproto$2.asMonths = asMonths;\nproto$2.asYears = asYears;\nproto$2.valueOf = valueOf$1;\nproto$2._bubble = bubble;\nproto$2.get = get$2;\nproto$2.milliseconds = milliseconds;\nproto$2.seconds = seconds;\nproto$2.minutes = minutes;\nproto$2.hours = hours;\nproto$2.days = days;\nproto$2.weeks = weeks;\nproto$2.months = months;\nproto$2.years = years;\nproto$2.humanize = humanize;\nproto$2.toISOString = toISOString$1;\nproto$2.toString = toISOString$1;\nproto$2.toJSON = toISOString$1;\nproto$2.locale = locale;\nproto$2.localeData = localeData;\n\n// Deprecations\nproto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);\nproto$2.lang = lang;\n\n// Side effect imports\n\n// FORMATTING\n\naddFormatToken('X', 0, 0, 'unix');\naddFormatToken('x', 0, 0, 'valueOf');\n\n// PARSING\n\naddRegexToken('x', matchSigned);\naddRegexToken('X', matchTimestamp);\naddParseToken('X', function (input, array, config) {\n config._d = new Date(parseFloat(input, 10) * 1000);\n});\naddParseToken('x', function (input, array, config) {\n config._d = new Date(toInt(input));\n});\n\n// Side effect imports\n\n\nhooks.version = '2.18.1';\n\nsetHookCallback(createLocal);\n\nhooks.fn = proto;\nhooks.min = min;\nhooks.max = max;\nhooks.now = now;\nhooks.utc = createUTC;\nhooks.unix = createUnix;\nhooks.months = listMonths;\nhooks.isDate = isDate;\nhooks.locale = getSetGlobalLocale;\nhooks.invalid = createInvalid;\nhooks.duration = createDuration;\nhooks.isMoment = isMoment;\nhooks.weekdays = listWeekdays;\nhooks.parseZone = createInZone;\nhooks.localeData = getLocale;\nhooks.isDuration = isDuration;\nhooks.monthsShort = listMonthsShort;\nhooks.weekdaysMin = listWeekdaysMin;\nhooks.defineLocale = defineLocale;\nhooks.updateLocale = updateLocale;\nhooks.locales = listLocales;\nhooks.weekdaysShort = listWeekdaysShort;\nhooks.normalizeUnits = normalizeUnits;\nhooks.relativeTimeRounding = getSetRelativeTimeRounding;\nhooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\nhooks.calendarFormat = getCalendarFormat;\nhooks.prototype = proto;\n\nreturn hooks;\n\n})));\n\n},{}],7:[function(require,module,exports){\n/**\n * @namespace Chart\n */\nvar Chart = require(29)();\n\nChart.helpers = require(45);\n\n// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!\nrequire(27)(Chart);\n\nChart.defaults = require(25);\nChart.Element = require(26);\nChart.elements = require(40);\nChart.Interaction = require(28);\nChart.platform = require(48);\n\nrequire(31)(Chart);\nrequire(22)(Chart);\nrequire(23)(Chart);\nrequire(24)(Chart);\nrequire(30)(Chart);\nrequire(33)(Chart);\nrequire(32)(Chart);\nrequire(35)(Chart);\n\nrequire(54)(Chart);\nrequire(52)(Chart);\nrequire(53)(Chart);\nrequire(55)(Chart);\nrequire(56)(Chart);\nrequire(57)(Chart);\n\n// Controllers must be loaded after elements\n// See Chart.core.datasetController.dataElementType\nrequire(15)(Chart);\nrequire(16)(Chart);\nrequire(17)(Chart);\nrequire(18)(Chart);\nrequire(19)(Chart);\nrequire(20)(Chart);\nrequire(21)(Chart);\n\nrequire(8)(Chart);\nrequire(9)(Chart);\nrequire(10)(Chart);\nrequire(11)(Chart);\nrequire(12)(Chart);\nrequire(13)(Chart);\nrequire(14)(Chart);\n\n// Loading built-it plugins\nvar plugins = [];\n\nplugins.push(\n require(49)(Chart),\n require(50)(Chart),\n require(51)(Chart)\n);\n\nChart.plugins.register(plugins);\n\nChart.platform.initialize();\n\nmodule.exports = Chart;\nif (typeof window !== 'undefined') {\n window.Chart = Chart;\n}\n\n// DEPRECATIONS\n\n/**\n * Provided for backward compatibility, use Chart.helpers.canvas instead.\n * @namespace Chart.canvasHelpers\n * @deprecated since version 2.6.0\n * @todo remove at version 3\n * @private\n */\nChart.canvasHelpers = Chart.helpers.canvas;\n\n},{\"10\":10,\"11\":11,\"12\":12,\"13\":13,\"14\":14,\"15\":15,\"16\":16,\"17\":17,\"18\":18,\"19\":19,\"20\":20,\"21\":21,\"22\":22,\"23\":23,\"24\":24,\"25\":25,\"26\":26,\"27\":27,\"28\":28,\"29\":29,\"30\":30,\"31\":31,\"32\":32,\"33\":33,\"35\":35,\"40\":40,\"45\":45,\"48\":48,\"49\":49,\"50\":50,\"51\":51,\"52\":52,\"53\":53,\"54\":54,\"55\":55,\"56\":56,\"57\":57,\"8\":8,\"9\":9}],8:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n Chart.Bar = function(context, config) {\n config.type = 'bar';\n\n return new Chart(context, config);\n };\n\n};\n\n},{}],9:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n Chart.Bubble = function(context, config) {\n config.type = 'bubble';\n return new Chart(context, config);\n };\n\n};\n\n},{}],10:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n Chart.Doughnut = function(context, config) {\n config.type = 'doughnut';\n\n return new Chart(context, config);\n };\n\n};\n\n},{}],11:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n Chart.Line = function(context, config) {\n config.type = 'line';\n\n return new Chart(context, config);\n };\n\n};\n\n},{}],12:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n Chart.PolarArea = function(context, config) {\n config.type = 'polarArea';\n\n return new Chart(context, config);\n };\n\n};\n\n},{}],13:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n Chart.Radar = function(context, config) {\n config.type = 'radar';\n\n return new Chart(context, config);\n };\n\n};\n\n},{}],14:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n Chart.Scatter = function(context, config) {\n config.type = 'scatter';\n return new Chart(context, config);\n };\n};\n\n},{}],15:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('bar', {\n hover: {\n mode: 'label'\n },\n\n scales: {\n xAxes: [{\n type: 'category',\n\n // Specific to Bar Controller\n categoryPercentage: 0.8,\n barPercentage: 0.9,\n\n // offset settings\n offset: true,\n\n // grid line settings\n gridLines: {\n offsetGridLines: true\n }\n }],\n\n yAxes: [{\n type: 'linear'\n }]\n }\n});\n\ndefaults._set('horizontalBar', {\n hover: {\n mode: 'index',\n axis: 'y'\n },\n\n scales: {\n xAxes: [{\n type: 'linear',\n position: 'bottom'\n }],\n\n yAxes: [{\n position: 'left',\n type: 'category',\n\n // Specific to Horizontal Bar Controller\n categoryPercentage: 0.8,\n barPercentage: 0.9,\n\n // offset settings\n offset: true,\n\n // grid line settings\n gridLines: {\n offsetGridLines: true\n }\n }]\n },\n\n elements: {\n rectangle: {\n borderSkipped: 'left'\n }\n },\n\n tooltips: {\n callbacks: {\n title: function(item, data) {\n // Pick first xLabel for now\n var title = '';\n\n if (item.length > 0) {\n if (item[0].yLabel) {\n title = item[0].yLabel;\n } else if (data.labels.length > 0 && item[0].index < data.labels.length) {\n title = data.labels[item[0].index];\n }\n }\n\n return title;\n },\n\n label: function(item, data) {\n var datasetLabel = data.datasets[item.datasetIndex].label || '';\n return datasetLabel + ': ' + item.xLabel;\n }\n },\n mode: 'index',\n axis: 'y'\n }\n});\n\nmodule.exports = function(Chart) {\n\n Chart.controllers.bar = Chart.DatasetController.extend({\n\n dataElementType: elements.Rectangle,\n\n initialize: function() {\n var me = this;\n var meta;\n\n Chart.DatasetController.prototype.initialize.apply(me, arguments);\n\n meta = me.getMeta();\n meta.stack = me.getDataset().stack;\n meta.bar = true;\n },\n\n update: function(reset) {\n var me = this;\n var rects = me.getMeta().data;\n var i, ilen;\n\n me._ruler = me.getRuler();\n\n for (i = 0, ilen = rects.length; i < ilen; ++i) {\n me.updateElement(rects[i], i, reset);\n }\n },\n\n updateElement: function(rectangle, index, reset) {\n var me = this;\n var chart = me.chart;\n var meta = me.getMeta();\n var dataset = me.getDataset();\n var custom = rectangle.custom || {};\n var rectangleOptions = chart.options.elements.rectangle;\n\n rectangle._xScale = me.getScaleForId(meta.xAxisID);\n rectangle._yScale = me.getScaleForId(meta.yAxisID);\n rectangle._datasetIndex = me.index;\n rectangle._index = index;\n\n rectangle._model = {\n datasetLabel: dataset.label,\n label: chart.data.labels[index],\n borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,\n backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),\n borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),\n borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)\n };\n\n me.updateElementGeometry(rectangle, index, reset);\n\n rectangle.pivot();\n },\n\n /**\n * @private\n */\n updateElementGeometry: function(rectangle, index, reset) {\n var me = this;\n var model = rectangle._model;\n var vscale = me.getValueScale();\n var base = vscale.getBasePixel();\n var horizontal = vscale.isHorizontal();\n var ruler = me._ruler || me.getRuler();\n var vpixels = me.calculateBarValuePixels(me.index, index);\n var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);\n\n model.horizontal = horizontal;\n model.base = reset ? base : vpixels.base;\n model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;\n model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;\n model.height = horizontal ? ipixels.size : undefined;\n model.width = horizontal ? undefined : ipixels.size;\n },\n\n /**\n * @private\n */\n getValueScaleId: function() {\n return this.getMeta().yAxisID;\n },\n\n /**\n * @private\n */\n getIndexScaleId: function() {\n return this.getMeta().xAxisID;\n },\n\n /**\n * @private\n */\n getValueScale: function() {\n return this.getScaleForId(this.getValueScaleId());\n },\n\n /**\n * @private\n */\n getIndexScale: function() {\n return this.getScaleForId(this.getIndexScaleId());\n },\n\n /**\n * Returns the effective number of stacks based on groups and bar visibility.\n * @private\n */\n getStackCount: function(last) {\n var me = this;\n var chart = me.chart;\n var scale = me.getIndexScale();\n var stacked = scale.options.stacked;\n var ilen = last === undefined ? chart.data.datasets.length : last + 1;\n var stacks = [];\n var i, meta;\n\n for (i = 0; i < ilen; ++i) {\n meta = chart.getDatasetMeta(i);\n if (meta.bar && chart.isDatasetVisible(i) &&\n (stacked === false ||\n (stacked === true && stacks.indexOf(meta.stack) === -1) ||\n (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {\n stacks.push(meta.stack);\n }\n }\n\n return stacks.length;\n },\n\n /**\n * Returns the stack index for the given dataset based on groups and bar visibility.\n * @private\n */\n getStackIndex: function(datasetIndex) {\n return this.getStackCount(datasetIndex) - 1;\n },\n\n /**\n * @private\n */\n getRuler: function() {\n var me = this;\n var scale = me.getIndexScale();\n var stackCount = me.getStackCount();\n var datasetIndex = me.index;\n var pixels = [];\n var isHorizontal = scale.isHorizontal();\n var start = isHorizontal ? scale.left : scale.top;\n var end = start + (isHorizontal ? scale.width : scale.height);\n var i, ilen;\n\n for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {\n pixels.push(scale.getPixelForValue(null, i, datasetIndex));\n }\n\n return {\n pixels: pixels,\n start: start,\n end: end,\n stackCount: stackCount,\n scale: scale\n };\n },\n\n /**\n * Note: pixel values are not clamped to the scale area.\n * @private\n */\n calculateBarValuePixels: function(datasetIndex, index) {\n var me = this;\n var chart = me.chart;\n var meta = me.getMeta();\n var scale = me.getValueScale();\n var datasets = chart.data.datasets;\n var value = scale.getRightValue(datasets[datasetIndex].data[index]);\n var stacked = scale.options.stacked;\n var stack = meta.stack;\n var start = 0;\n var i, imeta, ivalue, base, head, size;\n\n if (stacked || (stacked === undefined && stack !== undefined)) {\n for (i = 0; i < datasetIndex; ++i) {\n imeta = chart.getDatasetMeta(i);\n\n if (imeta.bar &&\n imeta.stack === stack &&\n imeta.controller.getValueScaleId() === scale.id &&\n chart.isDatasetVisible(i)) {\n\n ivalue = scale.getRightValue(datasets[i].data[index]);\n if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {\n start += ivalue;\n }\n }\n }\n }\n\n base = scale.getPixelForValue(start);\n head = scale.getPixelForValue(start + value);\n size = (head - base) / 2;\n\n return {\n size: size,\n base: base,\n head: head,\n center: head + size / 2\n };\n },\n\n /**\n * @private\n */\n calculateBarIndexPixels: function(datasetIndex, index, ruler) {\n var me = this;\n var options = ruler.scale.options;\n var stackIndex = me.getStackIndex(datasetIndex);\n var pixels = ruler.pixels;\n var base = pixels[index];\n var length = pixels.length;\n var start = ruler.start;\n var end = ruler.end;\n var leftSampleSize, rightSampleSize, leftCategorySize, rightCategorySize, fullBarSize, size;\n\n if (length === 1) {\n leftSampleSize = base > start ? base - start : end - base;\n rightSampleSize = base < end ? end - base : base - start;\n } else {\n if (index > 0) {\n leftSampleSize = (base - pixels[index - 1]) / 2;\n if (index === length - 1) {\n rightSampleSize = leftSampleSize;\n }\n }\n if (index < length - 1) {\n rightSampleSize = (pixels[index + 1] - base) / 2;\n if (index === 0) {\n leftSampleSize = rightSampleSize;\n }\n }\n }\n\n leftCategorySize = leftSampleSize * options.categoryPercentage;\n rightCategorySize = rightSampleSize * options.categoryPercentage;\n fullBarSize = (leftCategorySize + rightCategorySize) / ruler.stackCount;\n size = fullBarSize * options.barPercentage;\n\n size = Math.min(\n helpers.valueOrDefault(options.barThickness, size),\n helpers.valueOrDefault(options.maxBarThickness, Infinity));\n\n base -= leftCategorySize;\n base += fullBarSize * stackIndex;\n base += (fullBarSize - size) / 2;\n\n return {\n size: size,\n base: base,\n head: base + size,\n center: base + size / 2\n };\n },\n\n draw: function() {\n var me = this;\n var chart = me.chart;\n var scale = me.getValueScale();\n var rects = me.getMeta().data;\n var dataset = me.getDataset();\n var ilen = rects.length;\n var i = 0;\n\n helpers.canvas.clipArea(chart.ctx, chart.chartArea);\n\n for (; i < ilen; ++i) {\n if (!isNaN(scale.getRightValue(dataset.data[i]))) {\n rects[i].draw();\n }\n }\n\n helpers.canvas.unclipArea(chart.ctx);\n },\n\n setHoverStyle: function(rectangle) {\n var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n var index = rectangle._index;\n var custom = rectangle.custom || {};\n var model = rectangle._model;\n\n model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n },\n\n removeHoverStyle: function(rectangle) {\n var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n var index = rectangle._index;\n var custom = rectangle.custom || {};\n var model = rectangle._model;\n var rectangleElementOptions = this.chart.options.elements.rectangle;\n\n model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);\n model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);\n model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);\n }\n });\n\n Chart.controllers.horizontalBar = Chart.controllers.bar.extend({\n /**\n * @private\n */\n getValueScaleId: function() {\n return this.getMeta().xAxisID;\n },\n\n /**\n * @private\n */\n getIndexScaleId: function() {\n return this.getMeta().yAxisID;\n }\n });\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],16:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('bubble', {\n hover: {\n mode: 'single'\n },\n\n scales: {\n xAxes: [{\n type: 'linear', // bubble should probably use a linear scale by default\n position: 'bottom',\n id: 'x-axis-0' // need an ID so datasets can reference the scale\n }],\n yAxes: [{\n type: 'linear',\n position: 'left',\n id: 'y-axis-0'\n }]\n },\n\n tooltips: {\n callbacks: {\n title: function() {\n // Title doesn't make sense for scatter since we format the data as a point\n return '';\n },\n label: function(item, data) {\n var datasetLabel = data.datasets[item.datasetIndex].label || '';\n var dataPoint = data.datasets[item.datasetIndex].data[item.index];\n return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';\n }\n }\n }\n});\n\n\nmodule.exports = function(Chart) {\n\n Chart.controllers.bubble = Chart.DatasetController.extend({\n /**\n * @protected\n */\n dataElementType: elements.Point,\n\n /**\n * @protected\n */\n update: function(reset) {\n var me = this;\n var meta = me.getMeta();\n var points = meta.data;\n\n // Update Points\n helpers.each(points, function(point, index) {\n me.updateElement(point, index, reset);\n });\n },\n\n /**\n * @protected\n */\n updateElement: function(point, index, reset) {\n var me = this;\n var meta = me.getMeta();\n var custom = point.custom || {};\n var xScale = me.getScaleForId(meta.xAxisID);\n var yScale = me.getScaleForId(meta.yAxisID);\n var options = me._resolveElementOptions(point, index);\n var data = me.getDataset().data[index];\n var dsIndex = me.index;\n\n var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);\n var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);\n\n point._xScale = xScale;\n point._yScale = yScale;\n point._options = options;\n point._datasetIndex = dsIndex;\n point._index = index;\n point._model = {\n backgroundColor: options.backgroundColor,\n borderColor: options.borderColor,\n borderWidth: options.borderWidth,\n hitRadius: options.hitRadius,\n pointStyle: options.pointStyle,\n radius: reset ? 0 : options.radius,\n skip: custom.skip || isNaN(x) || isNaN(y),\n x: x,\n y: y,\n };\n\n point.pivot();\n },\n\n /**\n * @protected\n */\n setHoverStyle: function(point) {\n var model = point._model;\n var options = point._options;\n\n model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));\n model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));\n model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);\n model.radius = options.radius + options.hoverRadius;\n },\n\n /**\n * @protected\n */\n removeHoverStyle: function(point) {\n var model = point._model;\n var options = point._options;\n\n model.backgroundColor = options.backgroundColor;\n model.borderColor = options.borderColor;\n model.borderWidth = options.borderWidth;\n model.radius = options.radius;\n },\n\n /**\n * @private\n */\n _resolveElementOptions: function(point, index) {\n var me = this;\n var chart = me.chart;\n var datasets = chart.data.datasets;\n var dataset = datasets[me.index];\n var custom = point.custom || {};\n var options = chart.options.elements.point;\n var resolve = helpers.options.resolve;\n var data = dataset.data[index];\n var values = {};\n var i, ilen, key;\n\n // Scriptable options\n var context = {\n chart: chart,\n dataIndex: index,\n dataset: dataset,\n datasetIndex: me.index\n };\n\n var keys = [\n 'backgroundColor',\n 'borderColor',\n 'borderWidth',\n 'hoverBackgroundColor',\n 'hoverBorderColor',\n 'hoverBorderWidth',\n 'hoverRadius',\n 'hitRadius',\n 'pointStyle'\n ];\n\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n key = keys[i];\n values[key] = resolve([\n custom[key],\n dataset[key],\n options[key]\n ], context, index);\n }\n\n // Custom radius resolution\n values.radius = resolve([\n custom.radius,\n data ? data.r : undefined,\n dataset.radius,\n options.radius\n ], context, index);\n\n return values;\n }\n });\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],17:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('doughnut', {\n animation: {\n // Boolean - Whether we animate the rotation of the Doughnut\n animateRotate: true,\n // Boolean - Whether we animate scaling the Doughnut from the centre\n animateScale: false\n },\n hover: {\n mode: 'single'\n },\n legendCallback: function(chart) {\n var text = [];\n text.push('<ul class=\"' + chart.id + '-legend\">');\n\n var data = chart.data;\n var datasets = data.datasets;\n var labels = data.labels;\n\n if (datasets.length) {\n for (var i = 0; i < datasets[0].data.length; ++i) {\n text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n if (labels[i]) {\n text.push(labels[i]);\n }\n text.push('</li>');\n }\n }\n\n text.push('</ul>');\n return text.join('');\n },\n legend: {\n labels: {\n generateLabels: function(chart) {\n var data = chart.data;\n if (data.labels.length && data.datasets.length) {\n return data.labels.map(function(label, i) {\n var meta = chart.getDatasetMeta(0);\n var ds = data.datasets[0];\n var arc = meta.data[i];\n var custom = arc && arc.custom || {};\n var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n var arcOpts = chart.options.elements.arc;\n var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n return {\n text: label,\n fillStyle: fill,\n strokeStyle: stroke,\n lineWidth: bw,\n hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n // Extra data used for toggling the correct item\n index: i\n };\n });\n }\n return [];\n }\n },\n\n onClick: function(e, legendItem) {\n var index = legendItem.index;\n var chart = this.chart;\n var i, ilen, meta;\n\n for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n meta = chart.getDatasetMeta(i);\n // toggle visibility of index if exists\n if (meta.data[index]) {\n meta.data[index].hidden = !meta.data[index].hidden;\n }\n }\n\n chart.update();\n }\n },\n\n // The percentage of the chart that we cut out of the middle.\n cutoutPercentage: 50,\n\n // The rotation of the chart, where the first data arc begins.\n rotation: Math.PI * -0.5,\n\n // The total circumference of the chart.\n circumference: Math.PI * 2.0,\n\n // Need to override these to give a nice default\n tooltips: {\n callbacks: {\n title: function() {\n return '';\n },\n label: function(tooltipItem, data) {\n var dataLabel = data.labels[tooltipItem.index];\n var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];\n\n if (helpers.isArray(dataLabel)) {\n // show value on first line of multiline label\n // need to clone because we are changing the value\n dataLabel = dataLabel.slice();\n dataLabel[0] += value;\n } else {\n dataLabel += value;\n }\n\n return dataLabel;\n }\n }\n }\n});\n\ndefaults._set('pie', helpers.clone(defaults.doughnut));\ndefaults._set('pie', {\n cutoutPercentage: 0\n});\n\nmodule.exports = function(Chart) {\n\n Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({\n\n dataElementType: elements.Arc,\n\n linkScales: helpers.noop,\n\n // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly\n getRingIndex: function(datasetIndex) {\n var ringIndex = 0;\n\n for (var j = 0; j < datasetIndex; ++j) {\n if (this.chart.isDatasetVisible(j)) {\n ++ringIndex;\n }\n }\n\n return ringIndex;\n },\n\n update: function(reset) {\n var me = this;\n var chart = me.chart;\n var chartArea = chart.chartArea;\n var opts = chart.options;\n var arcOpts = opts.elements.arc;\n var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;\n var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;\n var minSize = Math.min(availableWidth, availableHeight);\n var offset = {x: 0, y: 0};\n var meta = me.getMeta();\n var cutoutPercentage = opts.cutoutPercentage;\n var circumference = opts.circumference;\n\n // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc\n if (circumference < Math.PI * 2.0) {\n var startAngle = opts.rotation % (Math.PI * 2.0);\n startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);\n var endAngle = startAngle + circumference;\n var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};\n var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};\n var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);\n var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);\n var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);\n var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);\n var cutout = cutoutPercentage / 100.0;\n var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};\n var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};\n var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};\n minSize = Math.min(availableWidth / size.width, availableHeight / size.height);\n offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};\n }\n\n chart.borderWidth = me.getMaxBorderWidth(meta.data);\n chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0);\n chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0);\n chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n chart.offsetX = offset.x * chart.outerRadius;\n chart.offsetY = offset.y * chart.outerRadius;\n\n meta.total = me.calculateTotal();\n\n me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));\n me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);\n\n helpers.each(meta.data, function(arc, index) {\n me.updateElement(arc, index, reset);\n });\n },\n\n updateElement: function(arc, index, reset) {\n var me = this;\n var chart = me.chart;\n var chartArea = chart.chartArea;\n var opts = chart.options;\n var animationOpts = opts.animation;\n var centerX = (chartArea.left + chartArea.right) / 2;\n var centerY = (chartArea.top + chartArea.bottom) / 2;\n var startAngle = opts.rotation; // non reset case handled later\n var endAngle = opts.rotation; // non reset case handled later\n var dataset = me.getDataset();\n var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));\n var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;\n var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;\n var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n helpers.extend(arc, {\n // Utility\n _datasetIndex: me.index,\n _index: index,\n\n // Desired view properties\n _model: {\n x: centerX + chart.offsetX,\n y: centerY + chart.offsetY,\n startAngle: startAngle,\n endAngle: endAngle,\n circumference: circumference,\n outerRadius: outerRadius,\n innerRadius: innerRadius,\n label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])\n }\n });\n\n var model = arc._model;\n // Resets the visual styles\n this.removeHoverStyle(arc);\n\n // Set correct angles if not resetting\n if (!reset || !animationOpts.animateRotate) {\n if (index === 0) {\n model.startAngle = opts.rotation;\n } else {\n model.startAngle = me.getMeta().data[index - 1]._model.endAngle;\n }\n\n model.endAngle = model.startAngle + model.circumference;\n }\n\n arc.pivot();\n },\n\n removeHoverStyle: function(arc) {\n Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n },\n\n calculateTotal: function() {\n var dataset = this.getDataset();\n var meta = this.getMeta();\n var total = 0;\n var value;\n\n helpers.each(meta.data, function(element, index) {\n value = dataset.data[index];\n if (!isNaN(value) && !element.hidden) {\n total += Math.abs(value);\n }\n });\n\n /* if (total === 0) {\n total = NaN;\n }*/\n\n return total;\n },\n\n calculateCircumference: function(value) {\n var total = this.getMeta().total;\n if (total > 0 && !isNaN(value)) {\n return (Math.PI * 2.0) * (value / total);\n }\n return 0;\n },\n\n // gets the max border or hover width to properly scale pie charts\n getMaxBorderWidth: function(arcs) {\n var max = 0;\n var index = this.index;\n var length = arcs.length;\n var borderWidth;\n var hoverWidth;\n\n for (var i = 0; i < length; i++) {\n borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;\n hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;\n\n max = borderWidth > max ? borderWidth : max;\n max = hoverWidth > max ? hoverWidth : max;\n }\n return max;\n }\n });\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],18:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('line', {\n showLines: true,\n spanGaps: false,\n\n hover: {\n mode: 'label'\n },\n\n scales: {\n xAxes: [{\n type: 'category',\n id: 'x-axis-0'\n }],\n yAxes: [{\n type: 'linear',\n id: 'y-axis-0'\n }]\n }\n});\n\nmodule.exports = function(Chart) {\n\n function lineEnabled(dataset, options) {\n return helpers.valueOrDefault(dataset.showLine, options.showLines);\n }\n\n Chart.controllers.line = Chart.DatasetController.extend({\n\n datasetElementType: elements.Line,\n\n dataElementType: elements.Point,\n\n update: function(reset) {\n var me = this;\n var meta = me.getMeta();\n var line = meta.dataset;\n var points = meta.data || [];\n var options = me.chart.options;\n var lineElementOptions = options.elements.line;\n var scale = me.getScaleForId(meta.yAxisID);\n var i, ilen, custom;\n var dataset = me.getDataset();\n var showLine = lineEnabled(dataset, options);\n\n // Update Line\n if (showLine) {\n custom = line.custom || {};\n\n // Compatibility: If the properties are defined with only the old name, use those values\n if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n dataset.lineTension = dataset.tension;\n }\n\n // Utility\n line._scale = scale;\n line._datasetIndex = me.index;\n // Data\n line._children = points;\n // Model\n line._model = {\n // Appearance\n // The default behavior of lines is to break at null values, according\n // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158\n // This option gives lines the ability to span gaps\n spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps,\n tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),\n cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),\n };\n\n line.pivot();\n }\n\n // Update Points\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n me.updateElement(points[i], i, reset);\n }\n\n if (showLine && line._model.tension !== 0) {\n me.updateBezierControlPoints();\n }\n\n // Now pivot the point for animation\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n points[i].pivot();\n }\n },\n\n getPointBackgroundColor: function(point, index) {\n var backgroundColor = this.chart.options.elements.point.backgroundColor;\n var dataset = this.getDataset();\n var custom = point.custom || {};\n\n if (custom.backgroundColor) {\n backgroundColor = custom.backgroundColor;\n } else if (dataset.pointBackgroundColor) {\n backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);\n } else if (dataset.backgroundColor) {\n backgroundColor = dataset.backgroundColor;\n }\n\n return backgroundColor;\n },\n\n getPointBorderColor: function(point, index) {\n var borderColor = this.chart.options.elements.point.borderColor;\n var dataset = this.getDataset();\n var custom = point.custom || {};\n\n if (custom.borderColor) {\n borderColor = custom.borderColor;\n } else if (dataset.pointBorderColor) {\n borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor);\n } else if (dataset.borderColor) {\n borderColor = dataset.borderColor;\n }\n\n return borderColor;\n },\n\n getPointBorderWidth: function(point, index) {\n var borderWidth = this.chart.options.elements.point.borderWidth;\n var dataset = this.getDataset();\n var custom = point.custom || {};\n\n if (!isNaN(custom.borderWidth)) {\n borderWidth = custom.borderWidth;\n } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) {\n borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);\n } else if (!isNaN(dataset.borderWidth)) {\n borderWidth = dataset.borderWidth;\n }\n\n return borderWidth;\n },\n\n updateElement: function(point, index, reset) {\n var me = this;\n var meta = me.getMeta();\n var custom = point.custom || {};\n var dataset = me.getDataset();\n var datasetIndex = me.index;\n var value = dataset.data[index];\n var yScale = me.getScaleForId(meta.yAxisID);\n var xScale = me.getScaleForId(meta.xAxisID);\n var pointOptions = me.chart.options.elements.point;\n var x, y;\n\n // Compatibility: If the properties are defined with only the old name, use those values\n if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n dataset.pointRadius = dataset.radius;\n }\n if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n dataset.pointHitRadius = dataset.hitRadius;\n }\n\n x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);\n y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);\n\n // Utility\n point._xScale = xScale;\n point._yScale = yScale;\n point._datasetIndex = datasetIndex;\n point._index = index;\n\n // Desired view properties\n point._model = {\n x: x,\n y: y,\n skip: custom.skip || isNaN(x) || isNaN(y),\n // Appearance\n radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),\n pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle),\n backgroundColor: me.getPointBackgroundColor(point, index),\n borderColor: me.getPointBorderColor(point, index),\n borderWidth: me.getPointBorderWidth(point, index),\n tension: meta.dataset._model ? meta.dataset._model.tension : 0,\n steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false,\n // Tooltip\n hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius)\n };\n },\n\n calculatePointY: function(value, index, datasetIndex) {\n var me = this;\n var chart = me.chart;\n var meta = me.getMeta();\n var yScale = me.getScaleForId(meta.yAxisID);\n var sumPos = 0;\n var sumNeg = 0;\n var i, ds, dsMeta;\n\n if (yScale.options.stacked) {\n for (i = 0; i < datasetIndex; i++) {\n ds = chart.data.datasets[i];\n dsMeta = chart.getDatasetMeta(i);\n if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) {\n var stackedRightValue = Number(yScale.getRightValue(ds.data[index]));\n if (stackedRightValue < 0) {\n sumNeg += stackedRightValue || 0;\n } else {\n sumPos += stackedRightValue || 0;\n }\n }\n }\n\n var rightValue = Number(yScale.getRightValue(value));\n if (rightValue < 0) {\n return yScale.getPixelForValue(sumNeg + rightValue);\n }\n return yScale.getPixelForValue(sumPos + rightValue);\n }\n\n return yScale.getPixelForValue(value);\n },\n\n updateBezierControlPoints: function() {\n var me = this;\n var meta = me.getMeta();\n var area = me.chart.chartArea;\n var points = (meta.data || []);\n var i, ilen, point, model, controlPoints;\n\n // Only consider points that are drawn in case the spanGaps option is used\n if (meta.dataset._model.spanGaps) {\n points = points.filter(function(pt) {\n return !pt._model.skip;\n });\n }\n\n function capControlPoint(pt, min, max) {\n return Math.max(Math.min(pt, max), min);\n }\n\n if (meta.dataset._model.cubicInterpolationMode === 'monotone') {\n helpers.splineCurveMonotone(points);\n } else {\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n point = points[i];\n model = point._model;\n controlPoints = helpers.splineCurve(\n helpers.previousItem(points, i)._model,\n model,\n helpers.nextItem(points, i)._model,\n meta.dataset._model.tension\n );\n model.controlPointPreviousX = controlPoints.previous.x;\n model.controlPointPreviousY = controlPoints.previous.y;\n model.controlPointNextX = controlPoints.next.x;\n model.controlPointNextY = controlPoints.next.y;\n }\n }\n\n if (me.chart.options.elements.line.capBezierPoints) {\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n model = points[i]._model;\n model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);\n model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);\n model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);\n model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);\n }\n }\n },\n\n draw: function() {\n var me = this;\n var chart = me.chart;\n var meta = me.getMeta();\n var points = meta.data || [];\n var area = chart.chartArea;\n var ilen = points.length;\n var i = 0;\n\n helpers.canvas.clipArea(chart.ctx, area);\n\n if (lineEnabled(me.getDataset(), chart.options)) {\n meta.dataset.draw();\n }\n\n helpers.canvas.unclipArea(chart.ctx);\n\n // Draw the points\n for (; i < ilen; ++i) {\n points[i].draw(area);\n }\n },\n\n setHoverStyle: function(point) {\n // Point\n var dataset = this.chart.data.datasets[point._datasetIndex];\n var index = point._index;\n var custom = point.custom || {};\n var model = point._model;\n\n model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n },\n\n removeHoverStyle: function(point) {\n var me = this;\n var dataset = me.chart.data.datasets[point._datasetIndex];\n var index = point._index;\n var custom = point.custom || {};\n var model = point._model;\n\n // Compatibility: If the properties are defined with only the old name, use those values\n if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n dataset.pointRadius = dataset.radius;\n }\n\n model.radius = custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius);\n model.backgroundColor = me.getPointBackgroundColor(point, index);\n model.borderColor = me.getPointBorderColor(point, index);\n model.borderWidth = me.getPointBorderWidth(point, index);\n }\n });\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],19:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('polarArea', {\n scale: {\n type: 'radialLinear',\n angleLines: {\n display: false\n },\n gridLines: {\n circular: true\n },\n pointLabels: {\n display: false\n },\n ticks: {\n beginAtZero: true\n }\n },\n\n // Boolean - Whether to animate the rotation of the chart\n animation: {\n animateRotate: true,\n animateScale: true\n },\n\n startAngle: -0.5 * Math.PI,\n legendCallback: function(chart) {\n var text = [];\n text.push('<ul class=\"' + chart.id + '-legend\">');\n\n var data = chart.data;\n var datasets = data.datasets;\n var labels = data.labels;\n\n if (datasets.length) {\n for (var i = 0; i < datasets[0].data.length; ++i) {\n text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n if (labels[i]) {\n text.push(labels[i]);\n }\n text.push('</li>');\n }\n }\n\n text.push('</ul>');\n return text.join('');\n },\n legend: {\n labels: {\n generateLabels: function(chart) {\n var data = chart.data;\n if (data.labels.length && data.datasets.length) {\n return data.labels.map(function(label, i) {\n var meta = chart.getDatasetMeta(0);\n var ds = data.datasets[0];\n var arc = meta.data[i];\n var custom = arc.custom || {};\n var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n var arcOpts = chart.options.elements.arc;\n var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n return {\n text: label,\n fillStyle: fill,\n strokeStyle: stroke,\n lineWidth: bw,\n hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n // Extra data used for toggling the correct item\n index: i\n };\n });\n }\n return [];\n }\n },\n\n onClick: function(e, legendItem) {\n var index = legendItem.index;\n var chart = this.chart;\n var i, ilen, meta;\n\n for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n meta = chart.getDatasetMeta(i);\n meta.data[index].hidden = !meta.data[index].hidden;\n }\n\n chart.update();\n }\n },\n\n // Need to override these to give a nice default\n tooltips: {\n callbacks: {\n title: function() {\n return '';\n },\n label: function(item, data) {\n return data.labels[item.index] + ': ' + item.yLabel;\n }\n }\n }\n});\n\nmodule.exports = function(Chart) {\n\n Chart.controllers.polarArea = Chart.DatasetController.extend({\n\n dataElementType: elements.Arc,\n\n linkScales: helpers.noop,\n\n update: function(reset) {\n var me = this;\n var chart = me.chart;\n var chartArea = chart.chartArea;\n var meta = me.getMeta();\n var opts = chart.options;\n var arcOpts = opts.elements.arc;\n var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0);\n chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\n chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n\n me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);\n me.innerRadius = me.outerRadius - chart.radiusLength;\n\n meta.count = me.countVisibleElements();\n\n helpers.each(meta.data, function(arc, index) {\n me.updateElement(arc, index, reset);\n });\n },\n\n updateElement: function(arc, index, reset) {\n var me = this;\n var chart = me.chart;\n var dataset = me.getDataset();\n var opts = chart.options;\n var animationOpts = opts.animation;\n var scale = chart.scale;\n var labels = chart.data.labels;\n\n var circumference = me.calculateCircumference(dataset.data[index]);\n var centerX = scale.xCenter;\n var centerY = scale.yCenter;\n\n // If there is NaN data before us, we need to calculate the starting angle correctly.\n // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data\n var visibleCount = 0;\n var meta = me.getMeta();\n for (var i = 0; i < index; ++i) {\n if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) {\n ++visibleCount;\n }\n }\n\n // var negHalfPI = -0.5 * Math.PI;\n var datasetStartAngle = opts.startAngle;\n var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n var startAngle = datasetStartAngle + (circumference * visibleCount);\n var endAngle = startAngle + (arc.hidden ? 0 : circumference);\n\n var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n\n helpers.extend(arc, {\n // Utility\n _datasetIndex: me.index,\n _index: index,\n _scale: scale,\n\n // Desired view properties\n _model: {\n x: centerX,\n y: centerY,\n innerRadius: 0,\n outerRadius: reset ? resetRadius : distance,\n startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,\n endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,\n label: helpers.valueAtIndexOrDefault(labels, index, labels[index])\n }\n });\n\n // Apply border and fill style\n me.removeHoverStyle(arc);\n\n arc.pivot();\n },\n\n removeHoverStyle: function(arc) {\n Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n },\n\n countVisibleElements: function() {\n var dataset = this.getDataset();\n var meta = this.getMeta();\n var count = 0;\n\n helpers.each(meta.data, function(element, index) {\n if (!isNaN(dataset.data[index]) && !element.hidden) {\n count++;\n }\n });\n\n return count;\n },\n\n calculateCircumference: function(value) {\n var count = this.getMeta().count;\n if (count > 0 && !isNaN(value)) {\n return (2 * Math.PI) / count;\n }\n return 0;\n }\n });\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],20:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('radar', {\n scale: {\n type: 'radialLinear'\n },\n elements: {\n line: {\n tension: 0 // no bezier in radar\n }\n }\n});\n\nmodule.exports = function(Chart) {\n\n Chart.controllers.radar = Chart.DatasetController.extend({\n\n datasetElementType: elements.Line,\n\n dataElementType: elements.Point,\n\n linkScales: helpers.noop,\n\n update: function(reset) {\n var me = this;\n var meta = me.getMeta();\n var line = meta.dataset;\n var points = meta.data;\n var custom = line.custom || {};\n var dataset = me.getDataset();\n var lineElementOptions = me.chart.options.elements.line;\n var scale = me.chart.scale;\n\n // Compatibility: If the properties are defined with only the old name, use those values\n if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n dataset.lineTension = dataset.tension;\n }\n\n helpers.extend(meta.dataset, {\n // Utility\n _datasetIndex: me.index,\n _scale: scale,\n // Data\n _children: points,\n _loop: true,\n // Model\n _model: {\n // Appearance\n tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n }\n });\n\n meta.dataset.pivot();\n\n // Update Points\n helpers.each(points, function(point, index) {\n me.updateElement(point, index, reset);\n }, me);\n\n // Update bezier control points\n me.updateBezierControlPoints();\n },\n updateElement: function(point, index, reset) {\n var me = this;\n var custom = point.custom || {};\n var dataset = me.getDataset();\n var scale = me.chart.scale;\n var pointElementOptions = me.chart.options.elements.point;\n var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);\n\n // Compatibility: If the properties are defined with only the old name, use those values\n if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n dataset.pointRadius = dataset.radius;\n }\n if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n dataset.pointHitRadius = dataset.hitRadius;\n }\n\n helpers.extend(point, {\n // Utility\n _datasetIndex: me.index,\n _index: index,\n _scale: scale,\n\n // Desired view properties\n _model: {\n x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales\n y: reset ? scale.yCenter : pointPosition.y,\n\n // Appearance\n tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),\n radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),\n backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),\n borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),\n borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),\n pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),\n\n // Tooltip\n hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius)\n }\n });\n\n point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));\n },\n updateBezierControlPoints: function() {\n var chartArea = this.chart.chartArea;\n var meta = this.getMeta();\n\n helpers.each(meta.data, function(point, index) {\n var model = point._model;\n var controlPoints = helpers.splineCurve(\n helpers.previousItem(meta.data, index, true)._model,\n model,\n helpers.nextItem(meta.data, index, true)._model,\n model.tension\n );\n\n // Prevent the bezier going outside of the bounds of the graph\n model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left);\n model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top);\n\n model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left);\n model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top);\n\n // Now pivot the point for animation\n point.pivot();\n });\n },\n\n setHoverStyle: function(point) {\n // Point\n var dataset = this.chart.data.datasets[point._datasetIndex];\n var custom = point.custom || {};\n var index = point._index;\n var model = point._model;\n\n model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n },\n\n removeHoverStyle: function(point) {\n var dataset = this.chart.data.datasets[point._datasetIndex];\n var custom = point.custom || {};\n var index = point._index;\n var model = point._model;\n var pointElementOptions = this.chart.options.elements.point;\n\n model.radius = custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius);\n model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor);\n model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor);\n model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth);\n }\n });\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],21:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\n\ndefaults._set('scatter', {\n hover: {\n mode: 'single'\n },\n\n scales: {\n xAxes: [{\n id: 'x-axis-1', // need an ID so datasets can reference the scale\n type: 'linear', // scatter should not use a category axis\n position: 'bottom'\n }],\n yAxes: [{\n id: 'y-axis-1',\n type: 'linear',\n position: 'left'\n }]\n },\n\n showLines: false,\n\n tooltips: {\n callbacks: {\n title: function() {\n return ''; // doesn't make sense for scatter since data are formatted as a point\n },\n label: function(item) {\n return '(' + item.xLabel + ', ' + item.yLabel + ')';\n }\n }\n }\n});\n\nmodule.exports = function(Chart) {\n\n // Scatter charts use line controllers\n Chart.controllers.scatter = Chart.controllers.line;\n\n};\n\n},{\"25\":25}],22:[function(require,module,exports){\n/* global window: false */\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\ndefaults._set('global', {\n animation: {\n duration: 1000,\n easing: 'easeOutQuart',\n onProgress: helpers.noop,\n onComplete: helpers.noop\n }\n});\n\nmodule.exports = function(Chart) {\n\n Chart.Animation = Element.extend({\n chart: null, // the animation associated chart instance\n currentStep: 0, // the current animation step\n numSteps: 60, // default number of steps\n easing: '', // the easing to use for this animation\n render: null, // render function used by the animation service\n\n onAnimationProgress: null, // user specified callback to fire on each step of the animation\n onAnimationComplete: null, // user specified callback to fire when the animation finishes\n });\n\n Chart.animationService = {\n frameDuration: 17,\n animations: [],\n dropFrames: 0,\n request: null,\n\n /**\n * @param {Chart} chart - The chart to animate.\n * @param {Chart.Animation} animation - The animation that we will animate.\n * @param {Number} duration - The animation duration in ms.\n * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions\n */\n addAnimation: function(chart, animation, duration, lazy) {\n var animations = this.animations;\n var i, ilen;\n\n animation.chart = chart;\n\n if (!lazy) {\n chart.animating = true;\n }\n\n for (i = 0, ilen = animations.length; i < ilen; ++i) {\n if (animations[i].chart === chart) {\n animations[i] = animation;\n return;\n }\n }\n\n animations.push(animation);\n\n // If there are no animations queued, manually kickstart a digest, for lack of a better word\n if (animations.length === 1) {\n this.requestAnimationFrame();\n }\n },\n\n cancelAnimation: function(chart) {\n var index = helpers.findIndex(this.animations, function(animation) {\n return animation.chart === chart;\n });\n\n if (index !== -1) {\n this.animations.splice(index, 1);\n chart.animating = false;\n }\n },\n\n requestAnimationFrame: function() {\n var me = this;\n if (me.request === null) {\n // Skip animation frame requests until the active one is executed.\n // This can happen when processing mouse events, e.g. 'mousemove'\n // and 'mouseout' events will trigger multiple renders.\n me.request = helpers.requestAnimFrame.call(window, function() {\n me.request = null;\n me.startDigest();\n });\n }\n },\n\n /**\n * @private\n */\n startDigest: function() {\n var me = this;\n var startTime = Date.now();\n var framesToDrop = 0;\n\n if (me.dropFrames > 1) {\n framesToDrop = Math.floor(me.dropFrames);\n me.dropFrames = me.dropFrames % 1;\n }\n\n me.advance(1 + framesToDrop);\n\n var endTime = Date.now();\n\n me.dropFrames += (endTime - startTime) / me.frameDuration;\n\n // Do we have more stuff to animate?\n if (me.animations.length > 0) {\n me.requestAnimationFrame();\n }\n },\n\n /**\n * @private\n */\n advance: function(count) {\n var animations = this.animations;\n var animation, chart;\n var i = 0;\n\n while (i < animations.length) {\n animation = animations[i];\n chart = animation.chart;\n\n animation.currentStep = (animation.currentStep || 0) + count;\n animation.currentStep = Math.min(animation.currentStep, animation.numSteps);\n\n helpers.callback(animation.render, [chart, animation], chart);\n helpers.callback(animation.onAnimationProgress, [animation], chart);\n\n if (animation.currentStep >= animation.numSteps) {\n helpers.callback(animation.onAnimationComplete, [animation], chart);\n chart.animating = false;\n animations.splice(i, 1);\n } else {\n ++i;\n }\n }\n }\n };\n\n /**\n * Provided for backward compatibility, use Chart.Animation instead\n * @prop Chart.Animation#animationObject\n * @deprecated since version 2.6.0\n * @todo remove at version 3\n */\n Object.defineProperty(Chart.Animation.prototype, 'animationObject', {\n get: function() {\n return this;\n }\n });\n\n /**\n * Provided for backward compatibility, use Chart.Animation#chart instead\n * @prop Chart.Animation#chartInstance\n * @deprecated since version 2.6.0\n * @todo remove at version 3\n */\n Object.defineProperty(Chart.Animation.prototype, 'chartInstance', {\n get: function() {\n return this.chart;\n },\n set: function(value) {\n this.chart = value;\n }\n });\n\n};\n\n},{\"25\":25,\"26\":26,\"45\":45}],23:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar helpers = require(45);\nvar Interaction = require(28);\nvar platform = require(48);\n\nmodule.exports = function(Chart) {\n var plugins = Chart.plugins;\n\n // Create a dictionary of chart types, to allow for extension of existing types\n Chart.types = {};\n\n // Store a reference to each instance - allowing us to globally resize chart instances on window resize.\n // Destroy method on the chart will remove the instance of the chart from this reference.\n Chart.instances = {};\n\n // Controllers available for dataset visualization eg. bar, line, slice, etc.\n Chart.controllers = {};\n\n /**\n * Initializes the given config with global and chart default values.\n */\n function initConfig(config) {\n config = config || {};\n\n // Do NOT use configMerge() for the data object because this method merges arrays\n // and so would change references to labels and datasets, preventing data updates.\n var data = config.data = config.data || {};\n data.datasets = data.datasets || [];\n data.labels = data.labels || [];\n\n config.options = helpers.configMerge(\n defaults.global,\n defaults[config.type],\n config.options || {});\n\n return config;\n }\n\n /**\n * Updates the config of the chart\n * @param chart {Chart} chart to update the options for\n */\n function updateConfig(chart) {\n var newOptions = chart.options;\n\n // Update Scale(s) with options\n if (newOptions.scale) {\n chart.scale.options = newOptions.scale;\n } else if (newOptions.scales) {\n newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach(function(scaleOptions) {\n chart.scales[scaleOptions.id].options = scaleOptions;\n });\n }\n\n // Tooltip\n chart.tooltip._options = newOptions.tooltips;\n }\n\n function positionIsHorizontal(position) {\n return position === 'top' || position === 'bottom';\n }\n\n helpers.extend(Chart.prototype, /** @lends Chart */ {\n /**\n * @private\n */\n construct: function(item, config) {\n var me = this;\n\n config = initConfig(config);\n\n var context = platform.acquireContext(item, config);\n var canvas = context && context.canvas;\n var height = canvas && canvas.height;\n var width = canvas && canvas.width;\n\n me.id = helpers.uid();\n me.ctx = context;\n me.canvas = canvas;\n me.config = config;\n me.width = width;\n me.height = height;\n me.aspectRatio = height ? width / height : null;\n me.options = config.options;\n me._bufferedRender = false;\n\n /**\n * Provided for backward compatibility, Chart and Chart.Controller have been merged,\n * the \"instance\" still need to be defined since it might be called from plugins.\n * @prop Chart#chart\n * @deprecated since version 2.6.0\n * @todo remove at version 3\n * @private\n */\n me.chart = me;\n me.controller = me; // chart.chart.controller #inception\n\n // Add the chart instance to the global namespace\n Chart.instances[me.id] = me;\n\n // Define alias to the config data: `chart.data === chart.config.data`\n Object.defineProperty(me, 'data', {\n get: function() {\n return me.config.data;\n },\n set: function(value) {\n me.config.data = value;\n }\n });\n\n if (!context || !canvas) {\n // The given item is not a compatible context2d element, let's return before finalizing\n // the chart initialization but after setting basic chart / controller properties that\n // can help to figure out that the chart is not valid (e.g chart.canvas !== null);\n // https://github.com/chartjs/Chart.js/issues/2807\n console.error(\"Failed to create chart: can't acquire context from the given item\");\n return;\n }\n\n me.initialize();\n me.update();\n },\n\n /**\n * @private\n */\n initialize: function() {\n var me = this;\n\n // Before init plugin notification\n plugins.notify(me, 'beforeInit');\n\n helpers.retinaScale(me, me.options.devicePixelRatio);\n\n me.bindEvents();\n\n if (me.options.responsive) {\n // Initial resize before chart draws (must be silent to preserve initial animations).\n me.resize(true);\n }\n\n // Make sure scales have IDs and are built before we build any controllers.\n me.ensureScalesHaveIDs();\n me.buildScales();\n me.initToolTip();\n\n // After init plugin notification\n plugins.notify(me, 'afterInit');\n\n return me;\n },\n\n clear: function() {\n helpers.canvas.clear(this);\n return this;\n },\n\n stop: function() {\n // Stops any current animation loop occurring\n Chart.animationService.cancelAnimation(this);\n return this;\n },\n\n resize: function(silent) {\n var me = this;\n var options = me.options;\n var canvas = me.canvas;\n var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;\n\n // the canvas render width and height will be casted to integers so make sure that\n // the canvas display style uses the same integer values to avoid blurring effect.\n\n // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased\n var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));\n var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));\n\n if (me.width === newWidth && me.height === newHeight) {\n return;\n }\n\n canvas.width = me.width = newWidth;\n canvas.height = me.height = newHeight;\n canvas.style.width = newWidth + 'px';\n canvas.style.height = newHeight + 'px';\n\n helpers.retinaScale(me, options.devicePixelRatio);\n\n if (!silent) {\n // Notify any plugins about the resize\n var newSize = {width: newWidth, height: newHeight};\n plugins.notify(me, 'resize', [newSize]);\n\n // Notify of resize\n if (me.options.onResize) {\n me.options.onResize(me, newSize);\n }\n\n me.stop();\n me.update(me.options.responsiveAnimationDuration);\n }\n },\n\n ensureScalesHaveIDs: function() {\n var options = this.options;\n var scalesOptions = options.scales || {};\n var scaleOptions = options.scale;\n\n helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) {\n xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index);\n });\n\n helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) {\n yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index);\n });\n\n if (scaleOptions) {\n scaleOptions.id = scaleOptions.id || 'scale';\n }\n },\n\n /**\n * Builds a map of scale ID to scale object for future lookup.\n */\n buildScales: function() {\n var me = this;\n var options = me.options;\n var scales = me.scales = {};\n var items = [];\n\n if (options.scales) {\n items = items.concat(\n (options.scales.xAxes || []).map(function(xAxisOptions) {\n return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};\n }),\n (options.scales.yAxes || []).map(function(yAxisOptions) {\n return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};\n })\n );\n }\n\n if (options.scale) {\n items.push({\n options: options.scale,\n dtype: 'radialLinear',\n isDefault: true,\n dposition: 'chartArea'\n });\n }\n\n helpers.each(items, function(item) {\n var scaleOptions = item.options;\n var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);\n var scaleClass = Chart.scaleService.getScaleConstructor(scaleType);\n if (!scaleClass) {\n return;\n }\n\n if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {\n scaleOptions.position = item.dposition;\n }\n\n var scale = new scaleClass({\n id: scaleOptions.id,\n options: scaleOptions,\n ctx: me.ctx,\n chart: me\n });\n\n scales[scale.id] = scale;\n scale.mergeTicksOptions();\n\n // TODO(SB): I think we should be able to remove this custom case (options.scale)\n // and consider it as a regular scale part of the \"scales\"\" map only! This would\n // make the logic easier and remove some useless? custom code.\n if (item.isDefault) {\n me.scale = scale;\n }\n });\n\n Chart.scaleService.addScalesToLayout(this);\n },\n\n buildOrUpdateControllers: function() {\n var me = this;\n var types = [];\n var newControllers = [];\n\n helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n var meta = me.getDatasetMeta(datasetIndex);\n var type = dataset.type || me.config.type;\n\n if (meta.type && meta.type !== type) {\n me.destroyDatasetMeta(datasetIndex);\n meta = me.getDatasetMeta(datasetIndex);\n }\n meta.type = type;\n\n types.push(meta.type);\n\n if (meta.controller) {\n meta.controller.updateIndex(datasetIndex);\n } else {\n var ControllerClass = Chart.controllers[meta.type];\n if (ControllerClass === undefined) {\n throw new Error('\"' + meta.type + '\" is not a chart type.');\n }\n\n meta.controller = new ControllerClass(me, datasetIndex);\n newControllers.push(meta.controller);\n }\n }, me);\n\n return newControllers;\n },\n\n /**\n * Reset the elements of all datasets\n * @private\n */\n resetElements: function() {\n var me = this;\n helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n me.getDatasetMeta(datasetIndex).controller.reset();\n }, me);\n },\n\n /**\n * Resets the chart back to it's state before the initial animation\n */\n reset: function() {\n this.resetElements();\n this.tooltip.initialize();\n },\n\n update: function(config) {\n var me = this;\n\n if (!config || typeof config !== 'object') {\n // backwards compatibility\n config = {\n duration: config,\n lazy: arguments[1]\n };\n }\n\n updateConfig(me);\n\n if (plugins.notify(me, 'beforeUpdate') === false) {\n return;\n }\n\n // In case the entire data object changed\n me.tooltip._data = me.data;\n\n // Make sure dataset controllers are updated and new controllers are reset\n var newControllers = me.buildOrUpdateControllers();\n\n // Make sure all dataset controllers have correct meta data counts\n helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements();\n }, me);\n\n me.updateLayout();\n\n // Can only reset the new controllers after the scales have been updated\n helpers.each(newControllers, function(controller) {\n controller.reset();\n });\n\n me.updateDatasets();\n\n // Need to reset tooltip in case it is displayed with elements that are removed\n // after update.\n me.tooltip.initialize();\n\n // Last active contains items that were previously in the tooltip.\n // When we reset the tooltip, we need to clear it\n me.lastActive = [];\n\n // Do this before render so that any plugins that need final scale updates can use it\n plugins.notify(me, 'afterUpdate');\n\n if (me._bufferedRender) {\n me._bufferedRequest = {\n duration: config.duration,\n easing: config.easing,\n lazy: config.lazy\n };\n } else {\n me.render(config);\n }\n },\n\n /**\n * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`\n * hook, in which case, plugins will not be called on `afterLayout`.\n * @private\n */\n updateLayout: function() {\n var me = this;\n\n if (plugins.notify(me, 'beforeLayout') === false) {\n return;\n }\n\n Chart.layoutService.update(this, this.width, this.height);\n\n /**\n * Provided for backward compatibility, use `afterLayout` instead.\n * @method IPlugin#afterScaleUpdate\n * @deprecated since version 2.5.0\n * @todo remove at version 3\n * @private\n */\n plugins.notify(me, 'afterScaleUpdate');\n plugins.notify(me, 'afterLayout');\n },\n\n /**\n * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`\n * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.\n * @private\n */\n updateDatasets: function() {\n var me = this;\n\n if (plugins.notify(me, 'beforeDatasetsUpdate') === false) {\n return;\n }\n\n for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n me.updateDataset(i);\n }\n\n plugins.notify(me, 'afterDatasetsUpdate');\n },\n\n /**\n * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`\n * hook, in which case, plugins will not be called on `afterDatasetUpdate`.\n * @private\n */\n updateDataset: function(index) {\n var me = this;\n var meta = me.getDatasetMeta(index);\n var args = {\n meta: meta,\n index: index\n };\n\n if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {\n return;\n }\n\n meta.controller.update();\n\n plugins.notify(me, 'afterDatasetUpdate', [args]);\n },\n\n render: function(config) {\n var me = this;\n\n if (!config || typeof config !== 'object') {\n // backwards compatibility\n config = {\n duration: config,\n lazy: arguments[1]\n };\n }\n\n var duration = config.duration;\n var lazy = config.lazy;\n\n if (plugins.notify(me, 'beforeRender') === false) {\n return;\n }\n\n var animationOptions = me.options.animation;\n var onComplete = function(animation) {\n plugins.notify(me, 'afterRender');\n helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);\n };\n\n if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {\n var animation = new Chart.Animation({\n numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps\n easing: config.easing || animationOptions.easing,\n\n render: function(chart, animationObject) {\n var easingFunction = helpers.easing.effects[animationObject.easing];\n var currentStep = animationObject.currentStep;\n var stepDecimal = currentStep / animationObject.numSteps;\n\n chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);\n },\n\n onAnimationProgress: animationOptions.onProgress,\n onAnimationComplete: onComplete\n });\n\n Chart.animationService.addAnimation(me, animation, duration, lazy);\n } else {\n me.draw();\n\n // See https://github.com/chartjs/Chart.js/issues/3781\n onComplete(new Chart.Animation({numSteps: 0, chart: me}));\n }\n\n return me;\n },\n\n draw: function(easingValue) {\n var me = this;\n\n me.clear();\n\n if (helpers.isNullOrUndef(easingValue)) {\n easingValue = 1;\n }\n\n me.transition(easingValue);\n\n if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) {\n return;\n }\n\n // Draw all the scales\n helpers.each(me.boxes, function(box) {\n box.draw(me.chartArea);\n }, me);\n\n if (me.scale) {\n me.scale.draw();\n }\n\n me.drawDatasets(easingValue);\n me._drawTooltip(easingValue);\n\n plugins.notify(me, 'afterDraw', [easingValue]);\n },\n\n /**\n * @private\n */\n transition: function(easingValue) {\n var me = this;\n\n for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {\n if (me.isDatasetVisible(i)) {\n me.getDatasetMeta(i).controller.transition(easingValue);\n }\n }\n\n me.tooltip.transition(easingValue);\n },\n\n /**\n * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`\n * hook, in which case, plugins will not be called on `afterDatasetsDraw`.\n * @private\n */\n drawDatasets: function(easingValue) {\n var me = this;\n\n if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {\n return;\n }\n\n // Draw datasets reversed to support proper line stacking\n for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {\n if (me.isDatasetVisible(i)) {\n me.drawDataset(i, easingValue);\n }\n }\n\n plugins.notify(me, 'afterDatasetsDraw', [easingValue]);\n },\n\n /**\n * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`\n * hook, in which case, plugins will not be called on `afterDatasetDraw`.\n * @private\n */\n drawDataset: function(index, easingValue) {\n var me = this;\n var meta = me.getDatasetMeta(index);\n var args = {\n meta: meta,\n index: index,\n easingValue: easingValue\n };\n\n if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {\n return;\n }\n\n meta.controller.draw(easingValue);\n\n plugins.notify(me, 'afterDatasetDraw', [args]);\n },\n\n /**\n * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw`\n * hook, in which case, plugins will not be called on `afterTooltipDraw`.\n * @private\n */\n _drawTooltip: function(easingValue) {\n var me = this;\n var tooltip = me.tooltip;\n var args = {\n tooltip: tooltip,\n easingValue: easingValue\n };\n\n if (plugins.notify(me, 'beforeTooltipDraw', [args]) === false) {\n return;\n }\n\n tooltip.draw();\n\n plugins.notify(me, 'afterTooltipDraw', [args]);\n },\n\n // Get the single element that was clicked on\n // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw\n getElementAtEvent: function(e) {\n return Interaction.modes.single(this, e);\n },\n\n getElementsAtEvent: function(e) {\n return Interaction.modes.label(this, e, {intersect: true});\n },\n\n getElementsAtXAxis: function(e) {\n return Interaction.modes['x-axis'](this, e, {intersect: true});\n },\n\n getElementsAtEventForMode: function(e, mode, options) {\n var method = Interaction.modes[mode];\n if (typeof method === 'function') {\n return method(this, e, options);\n }\n\n return [];\n },\n\n getDatasetAtEvent: function(e) {\n return Interaction.modes.dataset(this, e, {intersect: true});\n },\n\n getDatasetMeta: function(datasetIndex) {\n var me = this;\n var dataset = me.data.datasets[datasetIndex];\n if (!dataset._meta) {\n dataset._meta = {};\n }\n\n var meta = dataset._meta[me.id];\n if (!meta) {\n meta = dataset._meta[me.id] = {\n type: null,\n data: [],\n dataset: null,\n controller: null,\n hidden: null, // See isDatasetVisible() comment\n xAxisID: null,\n yAxisID: null\n };\n }\n\n return meta;\n },\n\n getVisibleDatasetCount: function() {\n var count = 0;\n for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n if (this.isDatasetVisible(i)) {\n count++;\n }\n }\n return count;\n },\n\n isDatasetVisible: function(datasetIndex) {\n var meta = this.getDatasetMeta(datasetIndex);\n\n // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,\n // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.\n return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;\n },\n\n generateLegend: function() {\n return this.options.legendCallback(this);\n },\n\n /**\n * @private\n */\n destroyDatasetMeta: function(datasetIndex) {\n var id = this.id;\n var dataset = this.data.datasets[datasetIndex];\n var meta = dataset._meta && dataset._meta[id];\n\n if (meta) {\n meta.controller.destroy();\n delete dataset._meta[id];\n }\n },\n\n destroy: function() {\n var me = this;\n var canvas = me.canvas;\n var i, ilen;\n\n me.stop();\n\n // dataset controllers need to cleanup associated data\n for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n me.destroyDatasetMeta(i);\n }\n\n if (canvas) {\n me.unbindEvents();\n helpers.canvas.clear(me);\n platform.releaseContext(me.ctx);\n me.canvas = null;\n me.ctx = null;\n }\n\n plugins.notify(me, 'destroy');\n\n delete Chart.instances[me.id];\n },\n\n toBase64Image: function() {\n return this.canvas.toDataURL.apply(this.canvas, arguments);\n },\n\n initToolTip: function() {\n var me = this;\n me.tooltip = new Chart.Tooltip({\n _chart: me,\n _chartInstance: me, // deprecated, backward compatibility\n _data: me.data,\n _options: me.options.tooltips\n }, me);\n },\n\n /**\n * @private\n */\n bindEvents: function() {\n var me = this;\n var listeners = me._listeners = {};\n var listener = function() {\n me.eventHandler.apply(me, arguments);\n };\n\n helpers.each(me.options.events, function(type) {\n platform.addEventListener(me, type, listener);\n listeners[type] = listener;\n });\n\n // Elements used to detect size change should not be injected for non responsive charts.\n // See https://github.com/chartjs/Chart.js/issues/2210\n if (me.options.responsive) {\n listener = function() {\n me.resize();\n };\n\n platform.addEventListener(me, 'resize', listener);\n listeners.resize = listener;\n }\n },\n\n /**\n * @private\n */\n unbindEvents: function() {\n var me = this;\n var listeners = me._listeners;\n if (!listeners) {\n return;\n }\n\n delete me._listeners;\n helpers.each(listeners, function(listener, type) {\n platform.removeEventListener(me, type, listener);\n });\n },\n\n updateHoverStyle: function(elements, mode, enabled) {\n var method = enabled ? 'setHoverStyle' : 'removeHoverStyle';\n var element, i, ilen;\n\n for (i = 0, ilen = elements.length; i < ilen; ++i) {\n element = elements[i];\n if (element) {\n this.getDatasetMeta(element._datasetIndex).controller[method](element);\n }\n }\n },\n\n /**\n * @private\n */\n eventHandler: function(e) {\n var me = this;\n var tooltip = me.tooltip;\n\n if (plugins.notify(me, 'beforeEvent', [e]) === false) {\n return;\n }\n\n // Buffer any update calls so that renders do not occur\n me._bufferedRender = true;\n me._bufferedRequest = null;\n\n var changed = me.handleEvent(e);\n changed |= tooltip && tooltip.handleEvent(e);\n\n plugins.notify(me, 'afterEvent', [e]);\n\n var bufferedRequest = me._bufferedRequest;\n if (bufferedRequest) {\n // If we have an update that was triggered, we need to do a normal render\n me.render(bufferedRequest);\n } else if (changed && !me.animating) {\n // If entering, leaving, or changing elements, animate the change via pivot\n me.stop();\n\n // We only need to render at this point. Updating will cause scales to be\n // recomputed generating flicker & using more memory than necessary.\n me.render(me.options.hover.animationDuration, true);\n }\n\n me._bufferedRender = false;\n me._bufferedRequest = null;\n\n return me;\n },\n\n /**\n * Handle an event\n * @private\n * @param {IEvent} event the event to handle\n * @return {Boolean} true if the chart needs to re-render\n */\n handleEvent: function(e) {\n var me = this;\n var options = me.options || {};\n var hoverOptions = options.hover;\n var changed = false;\n\n me.lastActive = me.lastActive || [];\n\n // Find Active Elements for hover and tooltips\n if (e.type === 'mouseout') {\n me.active = [];\n } else {\n me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);\n }\n\n // Invoke onHover hook\n // Need to call with native event here to not break backwards compatibility\n helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);\n\n if (e.type === 'mouseup' || e.type === 'click') {\n if (options.onClick) {\n // Use e.native here for backwards compatibility\n options.onClick.call(me, e.native, me.active);\n }\n }\n\n // Remove styling for last active (even if it may still be active)\n if (me.lastActive.length) {\n me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);\n }\n\n // Built in hover styling\n if (me.active.length && hoverOptions.mode) {\n me.updateHoverStyle(me.active, hoverOptions.mode, true);\n }\n\n changed = !helpers.arrayEquals(me.active, me.lastActive);\n\n // Remember Last Actives\n me.lastActive = me.active;\n\n return changed;\n }\n });\n\n /**\n * Provided for backward compatibility, use Chart instead.\n * @class Chart.Controller\n * @deprecated since version 2.6.0\n * @todo remove at version 3\n * @private\n */\n Chart.Controller = Chart;\n};\n\n},{\"25\":25,\"28\":28,\"45\":45,\"48\":48}],24:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\n\nmodule.exports = function(Chart) {\n\n var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\n /**\n * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',\n * 'unshift') and notify the listener AFTER the array has been altered. Listeners are\n * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.\n */\n function listenArrayEvents(array, listener) {\n if (array._chartjs) {\n array._chartjs.listeners.push(listener);\n return;\n }\n\n Object.defineProperty(array, '_chartjs', {\n configurable: true,\n enumerable: false,\n value: {\n listeners: [listener]\n }\n });\n\n arrayEvents.forEach(function(key) {\n var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);\n var base = array[key];\n\n Object.defineProperty(array, key, {\n configurable: true,\n enumerable: false,\n value: function() {\n var args = Array.prototype.slice.call(arguments);\n var res = base.apply(this, args);\n\n helpers.each(array._chartjs.listeners, function(object) {\n if (typeof object[method] === 'function') {\n object[method].apply(object, args);\n }\n });\n\n return res;\n }\n });\n });\n }\n\n /**\n * Removes the given array event listener and cleanup extra attached properties (such as\n * the _chartjs stub and overridden methods) if array doesn't have any more listeners.\n */\n function unlistenArrayEvents(array, listener) {\n var stub = array._chartjs;\n if (!stub) {\n return;\n }\n\n var listeners = stub.listeners;\n var index = listeners.indexOf(listener);\n if (index !== -1) {\n listeners.splice(index, 1);\n }\n\n if (listeners.length > 0) {\n return;\n }\n\n arrayEvents.forEach(function(key) {\n delete array[key];\n });\n\n delete array._chartjs;\n }\n\n // Base class for all dataset controllers (line, bar, etc)\n Chart.DatasetController = function(chart, datasetIndex) {\n this.initialize(chart, datasetIndex);\n };\n\n helpers.extend(Chart.DatasetController.prototype, {\n\n /**\n * Element type used to generate a meta dataset (e.g. Chart.element.Line).\n * @type {Chart.core.element}\n */\n datasetElementType: null,\n\n /**\n * Element type used to generate a meta data (e.g. Chart.element.Point).\n * @type {Chart.core.element}\n */\n dataElementType: null,\n\n initialize: function(chart, datasetIndex) {\n var me = this;\n me.chart = chart;\n me.index = datasetIndex;\n me.linkScales();\n me.addElements();\n },\n\n updateIndex: function(datasetIndex) {\n this.index = datasetIndex;\n },\n\n linkScales: function() {\n var me = this;\n var meta = me.getMeta();\n var dataset = me.getDataset();\n\n if (meta.xAxisID === null) {\n meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id;\n }\n if (meta.yAxisID === null) {\n meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id;\n }\n },\n\n getDataset: function() {\n return this.chart.data.datasets[this.index];\n },\n\n getMeta: function() {\n return this.chart.getDatasetMeta(this.index);\n },\n\n getScaleForId: function(scaleID) {\n return this.chart.scales[scaleID];\n },\n\n reset: function() {\n this.update(true);\n },\n\n /**\n * @private\n */\n destroy: function() {\n if (this._data) {\n unlistenArrayEvents(this._data, this);\n }\n },\n\n createMetaDataset: function() {\n var me = this;\n var type = me.datasetElementType;\n return type && new type({\n _chart: me.chart,\n _datasetIndex: me.index\n });\n },\n\n createMetaData: function(index) {\n var me = this;\n var type = me.dataElementType;\n return type && new type({\n _chart: me.chart,\n _datasetIndex: me.index,\n _index: index\n });\n },\n\n addElements: function() {\n var me = this;\n var meta = me.getMeta();\n var data = me.getDataset().data || [];\n var metaData = meta.data;\n var i, ilen;\n\n for (i = 0, ilen = data.length; i < ilen; ++i) {\n metaData[i] = metaData[i] || me.createMetaData(i);\n }\n\n meta.dataset = meta.dataset || me.createMetaDataset();\n },\n\n addElementAndReset: function(index) {\n var element = this.createMetaData(index);\n this.getMeta().data.splice(index, 0, element);\n this.updateElement(element, index, true);\n },\n\n buildOrUpdateElements: function() {\n var me = this;\n var dataset = me.getDataset();\n var data = dataset.data || (dataset.data = []);\n\n // In order to correctly handle data addition/deletion animation (an thus simulate\n // real-time charts), we need to monitor these data modifications and synchronize\n // the internal meta data accordingly.\n if (me._data !== data) {\n if (me._data) {\n // This case happens when the user replaced the data array instance.\n unlistenArrayEvents(me._data, me);\n }\n\n listenArrayEvents(data, me);\n me._data = data;\n }\n\n // Re-sync meta data in case the user replaced the data array or if we missed\n // any updates and so make sure that we handle number of datapoints changing.\n me.resyncElements();\n },\n\n update: helpers.noop,\n\n transition: function(easingValue) {\n var meta = this.getMeta();\n var elements = meta.data || [];\n var ilen = elements.length;\n var i = 0;\n\n for (; i < ilen; ++i) {\n elements[i].transition(easingValue);\n }\n\n if (meta.dataset) {\n meta.dataset.transition(easingValue);\n }\n },\n\n draw: function() {\n var meta = this.getMeta();\n var elements = meta.data || [];\n var ilen = elements.length;\n var i = 0;\n\n if (meta.dataset) {\n meta.dataset.draw();\n }\n\n for (; i < ilen; ++i) {\n elements[i].draw();\n }\n },\n\n removeHoverStyle: function(element, elementOpts) {\n var dataset = this.chart.data.datasets[element._datasetIndex];\n var index = element._index;\n var custom = element.custom || {};\n var valueOrDefault = helpers.valueAtIndexOrDefault;\n var model = element._model;\n\n model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);\n model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);\n model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);\n },\n\n setHoverStyle: function(element) {\n var dataset = this.chart.data.datasets[element._datasetIndex];\n var index = element._index;\n var custom = element.custom || {};\n var valueOrDefault = helpers.valueAtIndexOrDefault;\n var getHoverColor = helpers.getHoverColor;\n var model = element._model;\n\n model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor));\n model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor));\n model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n },\n\n /**\n * @private\n */\n resyncElements: function() {\n var me = this;\n var meta = me.getMeta();\n var data = me.getDataset().data;\n var numMeta = meta.data.length;\n var numData = data.length;\n\n if (numData < numMeta) {\n meta.data.splice(numData, numMeta - numData);\n } else if (numData > numMeta) {\n me.insertElements(numMeta, numData - numMeta);\n }\n },\n\n /**\n * @private\n */\n insertElements: function(start, count) {\n for (var i = 0; i < count; ++i) {\n this.addElementAndReset(start + i);\n }\n },\n\n /**\n * @private\n */\n onDataPush: function() {\n this.insertElements(this.getDataset().data.length - 1, arguments.length);\n },\n\n /**\n * @private\n */\n onDataPop: function() {\n this.getMeta().data.pop();\n },\n\n /**\n * @private\n */\n onDataShift: function() {\n this.getMeta().data.shift();\n },\n\n /**\n * @private\n */\n onDataSplice: function(start, count) {\n this.getMeta().data.splice(start, count);\n this.insertElements(start, arguments.length - 2);\n },\n\n /**\n * @private\n */\n onDataUnshift: function() {\n this.insertElements(0, arguments.length);\n }\n });\n\n Chart.DatasetController.extend = helpers.inherits;\n};\n\n},{\"45\":45}],25:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\n\nmodule.exports = {\n /**\n * @private\n */\n _set: function(scope, values) {\n return helpers.merge(this[scope] || (this[scope] = {}), values);\n }\n};\n\n},{\"45\":45}],26:[function(require,module,exports){\n'use strict';\n\nvar color = require(2);\nvar helpers = require(45);\n\nfunction interpolate(start, view, model, ease) {\n var keys = Object.keys(model);\n var i, ilen, key, actual, origin, target, type, c0, c1;\n\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n key = keys[i];\n\n target = model[key];\n\n // if a value is added to the model after pivot() has been called, the view\n // doesn't contain it, so let's initialize the view to the target value.\n if (!view.hasOwnProperty(key)) {\n view[key] = target;\n }\n\n actual = view[key];\n\n if (actual === target || key[0] === '_') {\n continue;\n }\n\n if (!start.hasOwnProperty(key)) {\n start[key] = actual;\n }\n\n origin = start[key];\n\n type = typeof target;\n\n if (type === typeof origin) {\n if (type === 'string') {\n c0 = color(origin);\n if (c0.valid) {\n c1 = color(target);\n if (c1.valid) {\n view[key] = c1.mix(c0, ease).rgbString();\n continue;\n }\n }\n } else if (type === 'number' && isFinite(origin) && isFinite(target)) {\n view[key] = origin + (target - origin) * ease;\n continue;\n }\n }\n\n view[key] = target;\n }\n}\n\nvar Element = function(configuration) {\n helpers.extend(this, configuration);\n this.initialize.apply(this, arguments);\n};\n\nhelpers.extend(Element.prototype, {\n\n initialize: function() {\n this.hidden = false;\n },\n\n pivot: function() {\n var me = this;\n if (!me._view) {\n me._view = helpers.clone(me._model);\n }\n me._start = {};\n return me;\n },\n\n transition: function(ease) {\n var me = this;\n var model = me._model;\n var start = me._start;\n var view = me._view;\n\n // No animation -> No Transition\n if (!model || ease === 1) {\n me._view = model;\n me._start = null;\n return me;\n }\n\n if (!view) {\n view = me._view = {};\n }\n\n if (!start) {\n start = me._start = {};\n }\n\n interpolate(start, view, model, ease);\n\n return me;\n },\n\n tooltipPosition: function() {\n return {\n x: this._model.x,\n y: this._model.y\n };\n },\n\n hasValue: function() {\n return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);\n }\n});\n\nElement.extend = helpers.inherits;\n\nmodule.exports = Element;\n\n},{\"2\":2,\"45\":45}],27:[function(require,module,exports){\n/* global window: false */\n/* global document: false */\n'use strict';\n\nvar color = require(2);\nvar defaults = require(25);\nvar helpers = require(45);\n\nmodule.exports = function(Chart) {\n\n // -- Basic js utility methods\n\n helpers.configMerge = function(/* objects ... */) {\n return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n merger: function(key, target, source, options) {\n var tval = target[key] || {};\n var sval = source[key];\n\n if (key === 'scales') {\n // scale config merging is complex. Add our own function here for that\n target[key] = helpers.scaleMerge(tval, sval);\n } else if (key === 'scale') {\n // used in polar area & radar charts since there is only one scale\n target[key] = helpers.merge(tval, [Chart.scaleService.getScaleDefaults(sval.type), sval]);\n } else {\n helpers._merger(key, target, source, options);\n }\n }\n });\n };\n\n helpers.scaleMerge = function(/* objects ... */) {\n return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n merger: function(key, target, source, options) {\n if (key === 'xAxes' || key === 'yAxes') {\n var slen = source[key].length;\n var i, type, scale;\n\n if (!target[key]) {\n target[key] = [];\n }\n\n for (i = 0; i < slen; ++i) {\n scale = source[key][i];\n type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear');\n\n if (i >= target[key].length) {\n target[key].push({});\n }\n\n if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {\n // new/untyped scale or type changed: let's apply the new defaults\n // then merge source scale to correctly overwrite the defaults.\n helpers.merge(target[key][i], [Chart.scaleService.getScaleDefaults(type), scale]);\n } else {\n // scales type are the same\n helpers.merge(target[key][i], scale);\n }\n }\n } else {\n helpers._merger(key, target, source, options);\n }\n }\n });\n };\n\n helpers.where = function(collection, filterCallback) {\n if (helpers.isArray(collection) && Array.prototype.filter) {\n return collection.filter(filterCallback);\n }\n var filtered = [];\n\n helpers.each(collection, function(item) {\n if (filterCallback(item)) {\n filtered.push(item);\n }\n });\n\n return filtered;\n };\n helpers.findIndex = Array.prototype.findIndex ?\n function(array, callback, scope) {\n return array.findIndex(callback, scope);\n } :\n function(array, callback, scope) {\n scope = scope === undefined ? array : scope;\n for (var i = 0, ilen = array.length; i < ilen; ++i) {\n if (callback.call(scope, array[i], i, array)) {\n return i;\n }\n }\n return -1;\n };\n helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {\n // Default to start of the array\n if (helpers.isNullOrUndef(startIndex)) {\n startIndex = -1;\n }\n for (var i = startIndex + 1; i < arrayToSearch.length; i++) {\n var currentItem = arrayToSearch[i];\n if (filterCallback(currentItem)) {\n return currentItem;\n }\n }\n };\n helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {\n // Default to end of the array\n if (helpers.isNullOrUndef(startIndex)) {\n startIndex = arrayToSearch.length;\n }\n for (var i = startIndex - 1; i >= 0; i--) {\n var currentItem = arrayToSearch[i];\n if (filterCallback(currentItem)) {\n return currentItem;\n }\n }\n };\n\n // -- Math methods\n helpers.isNumber = function(n) {\n return !isNaN(parseFloat(n)) && isFinite(n);\n };\n helpers.almostEquals = function(x, y, epsilon) {\n return Math.abs(x - y) < epsilon;\n };\n helpers.almostWhole = function(x, epsilon) {\n var rounded = Math.round(x);\n return (((rounded - epsilon) < x) && ((rounded + epsilon) > x));\n };\n helpers.max = function(array) {\n return array.reduce(function(max, value) {\n if (!isNaN(value)) {\n return Math.max(max, value);\n }\n return max;\n }, Number.NEGATIVE_INFINITY);\n };\n helpers.min = function(array) {\n return array.reduce(function(min, value) {\n if (!isNaN(value)) {\n return Math.min(min, value);\n }\n return min;\n }, Number.POSITIVE_INFINITY);\n };\n helpers.sign = Math.sign ?\n function(x) {\n return Math.sign(x);\n } :\n function(x) {\n x = +x; // convert to a number\n if (x === 0 || isNaN(x)) {\n return x;\n }\n return x > 0 ? 1 : -1;\n };\n helpers.log10 = Math.log10 ?\n function(x) {\n return Math.log10(x);\n } :\n function(x) {\n return Math.log(x) / Math.LN10;\n };\n helpers.toRadians = function(degrees) {\n return degrees * (Math.PI / 180);\n };\n helpers.toDegrees = function(radians) {\n return radians * (180 / Math.PI);\n };\n // Gets the angle from vertical upright to the point about a centre.\n helpers.getAngleFromPoint = function(centrePoint, anglePoint) {\n var distanceFromXCenter = anglePoint.x - centrePoint.x;\n var distanceFromYCenter = anglePoint.y - centrePoint.y;\n var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n\n var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n if (angle < (-0.5 * Math.PI)) {\n angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]\n }\n\n return {\n angle: angle,\n distance: radialDistanceFromCenter\n };\n };\n helpers.distanceBetweenPoints = function(pt1, pt2) {\n return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n };\n helpers.aliasPixel = function(pixelWidth) {\n return (pixelWidth % 2 === 0) ? 0 : 0.5;\n };\n helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {\n // Props to Rob Spencer at scaled innovation for his post on splining between points\n // http://scaledinnovation.com/analytics/splines/aboutSplines.html\n\n // This function must also respect \"skipped\" points\n\n var previous = firstPoint.skip ? middlePoint : firstPoint;\n var current = middlePoint;\n var next = afterPoint.skip ? middlePoint : afterPoint;\n\n var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));\n var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));\n\n var s01 = d01 / (d01 + d12);\n var s12 = d12 / (d01 + d12);\n\n // If all points are the same, s01 & s02 will be inf\n s01 = isNaN(s01) ? 0 : s01;\n s12 = isNaN(s12) ? 0 : s12;\n\n var fa = t * s01; // scaling factor for triangle Ta\n var fb = t * s12;\n\n return {\n previous: {\n x: current.x - fa * (next.x - previous.x),\n y: current.y - fa * (next.y - previous.y)\n },\n next: {\n x: current.x + fb * (next.x - previous.x),\n y: current.y + fb * (next.y - previous.y)\n }\n };\n };\n helpers.EPSILON = Number.EPSILON || 1e-14;\n helpers.splineCurveMonotone = function(points) {\n // This function calculates Bézier control points in a similar way than |splineCurve|,\n // but preserves monotonicity of the provided data and ensures no local extremums are added\n // between the dataset discrete points due to the interpolation.\n // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation\n\n var pointsWithTangents = (points || []).map(function(point) {\n return {\n model: point._model,\n deltaK: 0,\n mK: 0\n };\n });\n\n // Calculate slopes (deltaK) and initialize tangents (mK)\n var pointsLen = pointsWithTangents.length;\n var i, pointBefore, pointCurrent, pointAfter;\n for (i = 0; i < pointsLen; ++i) {\n pointCurrent = pointsWithTangents[i];\n if (pointCurrent.model.skip) {\n continue;\n }\n\n pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n if (pointAfter && !pointAfter.model.skip) {\n var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);\n\n // In the case of two points that appear at the same x pixel, slopeDeltaX is 0\n pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;\n }\n\n if (!pointBefore || pointBefore.model.skip) {\n pointCurrent.mK = pointCurrent.deltaK;\n } else if (!pointAfter || pointAfter.model.skip) {\n pointCurrent.mK = pointBefore.deltaK;\n } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {\n pointCurrent.mK = 0;\n } else {\n pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;\n }\n }\n\n // Adjust tangents to ensure monotonic properties\n var alphaK, betaK, tauK, squaredMagnitude;\n for (i = 0; i < pointsLen - 1; ++i) {\n pointCurrent = pointsWithTangents[i];\n pointAfter = pointsWithTangents[i + 1];\n if (pointCurrent.model.skip || pointAfter.model.skip) {\n continue;\n }\n\n if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {\n pointCurrent.mK = pointAfter.mK = 0;\n continue;\n }\n\n alphaK = pointCurrent.mK / pointCurrent.deltaK;\n betaK = pointAfter.mK / pointCurrent.deltaK;\n squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n if (squaredMagnitude <= 9) {\n continue;\n }\n\n tauK = 3 / Math.sqrt(squaredMagnitude);\n pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;\n pointAfter.mK = betaK * tauK * pointCurrent.deltaK;\n }\n\n // Compute control points\n var deltaX;\n for (i = 0; i < pointsLen; ++i) {\n pointCurrent = pointsWithTangents[i];\n if (pointCurrent.model.skip) {\n continue;\n }\n\n pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n if (pointBefore && !pointBefore.model.skip) {\n deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;\n pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;\n pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;\n }\n if (pointAfter && !pointAfter.model.skip) {\n deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;\n pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;\n pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;\n }\n }\n };\n helpers.nextItem = function(collection, index, loop) {\n if (loop) {\n return index >= collection.length - 1 ? collection[0] : collection[index + 1];\n }\n return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];\n };\n helpers.previousItem = function(collection, index, loop) {\n if (loop) {\n return index <= 0 ? collection[collection.length - 1] : collection[index - 1];\n }\n return index <= 0 ? collection[0] : collection[index - 1];\n };\n // Implementation of the nice number algorithm used in determining where axis labels will go\n helpers.niceNum = function(range, round) {\n var exponent = Math.floor(helpers.log10(range));\n var fraction = range / Math.pow(10, exponent);\n var niceFraction;\n\n if (round) {\n if (fraction < 1.5) {\n niceFraction = 1;\n } else if (fraction < 3) {\n niceFraction = 2;\n } else if (fraction < 7) {\n niceFraction = 5;\n } else {\n niceFraction = 10;\n }\n } else if (fraction <= 1.0) {\n niceFraction = 1;\n } else if (fraction <= 2) {\n niceFraction = 2;\n } else if (fraction <= 5) {\n niceFraction = 5;\n } else {\n niceFraction = 10;\n }\n\n return niceFraction * Math.pow(10, exponent);\n };\n // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/\n helpers.requestAnimFrame = (function() {\n if (typeof window === 'undefined') {\n return function(callback) {\n callback();\n };\n }\n return window.requestAnimationFrame ||\n window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function(callback) {\n return window.setTimeout(callback, 1000 / 60);\n };\n }());\n // -- DOM methods\n helpers.getRelativePosition = function(evt, chart) {\n var mouseX, mouseY;\n var e = evt.originalEvent || evt;\n var canvas = evt.currentTarget || evt.srcElement;\n var boundingRect = canvas.getBoundingClientRect();\n\n var touches = e.touches;\n if (touches && touches.length > 0) {\n mouseX = touches[0].clientX;\n mouseY = touches[0].clientY;\n\n } else {\n mouseX = e.clientX;\n mouseY = e.clientY;\n }\n\n // Scale mouse coordinates into canvas coordinates\n // by following the pattern laid out by 'jerryj' in the comments of\n // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/\n var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));\n var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));\n var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));\n var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));\n var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;\n var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;\n\n // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However\n // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here\n mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);\n mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);\n\n return {\n x: mouseX,\n y: mouseY\n };\n\n };\n\n // Private helper function to convert max-width/max-height values that may be percentages into a number\n function parseMaxStyle(styleValue, node, parentProperty) {\n var valueInPixels;\n if (typeof styleValue === 'string') {\n valueInPixels = parseInt(styleValue, 10);\n\n if (styleValue.indexOf('%') !== -1) {\n // percentage * size in dimension\n valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n }\n } else {\n valueInPixels = styleValue;\n }\n\n return valueInPixels;\n }\n\n /**\n * Returns if the given value contains an effective constraint.\n * @private\n */\n function isConstrainedValue(value) {\n return value !== undefined && value !== null && value !== 'none';\n }\n\n // Private helper to get a constraint dimension\n // @param domNode : the node to check the constraint on\n // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight)\n // @param percentageProperty : property of parent to use when calculating width as a percentage\n // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser\n function getConstraintDimension(domNode, maxStyle, percentageProperty) {\n var view = document.defaultView;\n var parentNode = domNode.parentNode;\n var constrainedNode = view.getComputedStyle(domNode)[maxStyle];\n var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];\n var hasCNode = isConstrainedValue(constrainedNode);\n var hasCContainer = isConstrainedValue(constrainedContainer);\n var infinity = Number.POSITIVE_INFINITY;\n\n if (hasCNode || hasCContainer) {\n return Math.min(\n hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,\n hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);\n }\n\n return 'none';\n }\n // returns Number or undefined if no constraint\n helpers.getConstraintWidth = function(domNode) {\n return getConstraintDimension(domNode, 'max-width', 'clientWidth');\n };\n // returns Number or undefined if no constraint\n helpers.getConstraintHeight = function(domNode) {\n return getConstraintDimension(domNode, 'max-height', 'clientHeight');\n };\n helpers.getMaximumWidth = function(domNode) {\n var container = domNode.parentNode;\n if (!container) {\n return domNode.clientWidth;\n }\n\n var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10);\n var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10);\n var w = container.clientWidth - paddingLeft - paddingRight;\n var cw = helpers.getConstraintWidth(domNode);\n return isNaN(cw) ? w : Math.min(w, cw);\n };\n helpers.getMaximumHeight = function(domNode) {\n var container = domNode.parentNode;\n if (!container) {\n return domNode.clientHeight;\n }\n\n var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10);\n var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10);\n var h = container.clientHeight - paddingTop - paddingBottom;\n var ch = helpers.getConstraintHeight(domNode);\n return isNaN(ch) ? h : Math.min(h, ch);\n };\n helpers.getStyle = function(el, property) {\n return el.currentStyle ?\n el.currentStyle[property] :\n document.defaultView.getComputedStyle(el, null).getPropertyValue(property);\n };\n helpers.retinaScale = function(chart, forceRatio) {\n var pixelRatio = chart.currentDevicePixelRatio = forceRatio || window.devicePixelRatio || 1;\n if (pixelRatio === 1) {\n return;\n }\n\n var canvas = chart.canvas;\n var height = chart.height;\n var width = chart.width;\n\n canvas.height = height * pixelRatio;\n canvas.width = width * pixelRatio;\n chart.ctx.scale(pixelRatio, pixelRatio);\n\n // If no style has been set on the canvas, the render size is used as display size,\n // making the chart visually bigger, so let's enforce it to the \"correct\" values.\n // See https://github.com/chartjs/Chart.js/issues/3575\n canvas.style.height = height + 'px';\n canvas.style.width = width + 'px';\n };\n // -- Canvas methods\n helpers.fontString = function(pixelSize, fontStyle, fontFamily) {\n return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n };\n helpers.longestText = function(ctx, font, arrayOfThings, cache) {\n cache = cache || {};\n var data = cache.data = cache.data || {};\n var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n if (cache.font !== font) {\n data = cache.data = {};\n gc = cache.garbageCollect = [];\n cache.font = font;\n }\n\n ctx.font = font;\n var longest = 0;\n helpers.each(arrayOfThings, function(thing) {\n // Undefined strings and arrays should not be measured\n if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) {\n longest = helpers.measureText(ctx, data, gc, longest, thing);\n } else if (helpers.isArray(thing)) {\n // if it is an array lets measure each element\n // to do maybe simplify this function a bit so we can do this more recursively?\n helpers.each(thing, function(nestedThing) {\n // Undefined strings and arrays should not be measured\n if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) {\n longest = helpers.measureText(ctx, data, gc, longest, nestedThing);\n }\n });\n }\n });\n\n var gcLen = gc.length / 2;\n if (gcLen > arrayOfThings.length) {\n for (var i = 0; i < gcLen; i++) {\n delete data[gc[i]];\n }\n gc.splice(0, gcLen);\n }\n return longest;\n };\n helpers.measureText = function(ctx, data, gc, longest, string) {\n var textWidth = data[string];\n if (!textWidth) {\n textWidth = data[string] = ctx.measureText(string).width;\n gc.push(string);\n }\n if (textWidth > longest) {\n longest = textWidth;\n }\n return longest;\n };\n helpers.numberOfLabelLines = function(arrayOfThings) {\n var numberOfLines = 1;\n helpers.each(arrayOfThings, function(thing) {\n if (helpers.isArray(thing)) {\n if (thing.length > numberOfLines) {\n numberOfLines = thing.length;\n }\n }\n });\n return numberOfLines;\n };\n\n helpers.color = !color ?\n function(value) {\n console.error('Color.js not found!');\n return value;\n } :\n function(value) {\n /* global CanvasGradient */\n if (value instanceof CanvasGradient) {\n value = defaults.global.defaultColor;\n }\n\n return color(value);\n };\n\n helpers.getHoverColor = function(colorValue) {\n /* global CanvasPattern */\n return (colorValue instanceof CanvasPattern) ?\n colorValue :\n helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString();\n };\n};\n\n},{\"2\":2,\"25\":25,\"45\":45}],28:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\n\n/**\n * Helper function to get relative position for an event\n * @param {Event|IEvent} event - The event to get the position for\n * @param {Chart} chart - The chart\n * @returns {Point} the event position\n */\nfunction getRelativePosition(e, chart) {\n if (e.native) {\n return {\n x: e.x,\n y: e.y\n };\n }\n\n return helpers.getRelativePosition(e, chart);\n}\n\n/**\n * Helper function to traverse all of the visible elements in the chart\n * @param chart {chart} the chart\n * @param handler {Function} the callback to execute for each visible item\n */\nfunction parseVisibleItems(chart, handler) {\n var datasets = chart.data.datasets;\n var meta, i, j, ilen, jlen;\n\n for (i = 0, ilen = datasets.length; i < ilen; ++i) {\n if (!chart.isDatasetVisible(i)) {\n continue;\n }\n\n meta = chart.getDatasetMeta(i);\n for (j = 0, jlen = meta.data.length; j < jlen; ++j) {\n var element = meta.data[j];\n if (!element._view.skip) {\n handler(element);\n }\n }\n }\n}\n\n/**\n * Helper function to get the items that intersect the event position\n * @param items {ChartElement[]} elements to filter\n * @param position {Point} the point to be nearest to\n * @return {ChartElement[]} the nearest items\n */\nfunction getIntersectItems(chart, position) {\n var elements = [];\n\n parseVisibleItems(chart, function(element) {\n if (element.inRange(position.x, position.y)) {\n elements.push(element);\n }\n });\n\n return elements;\n}\n\n/**\n * Helper function to get the items nearest to the event position considering all visible items in teh chart\n * @param chart {Chart} the chart to look at elements from\n * @param position {Point} the point to be nearest to\n * @param intersect {Boolean} if true, only consider items that intersect the position\n * @param distanceMetric {Function} function to provide the distance between points\n * @return {ChartElement[]} the nearest items\n */\nfunction getNearestItems(chart, position, intersect, distanceMetric) {\n var minDistance = Number.POSITIVE_INFINITY;\n var nearestItems = [];\n\n parseVisibleItems(chart, function(element) {\n if (intersect && !element.inRange(position.x, position.y)) {\n return;\n }\n\n var center = element.getCenterPoint();\n var distance = distanceMetric(position, center);\n\n if (distance < minDistance) {\n nearestItems = [element];\n minDistance = distance;\n } else if (distance === minDistance) {\n // Can have multiple items at the same distance in which case we sort by size\n nearestItems.push(element);\n }\n });\n\n return nearestItems;\n}\n\n/**\n * Get a distance metric function for two points based on the\n * axis mode setting\n * @param {String} axis the axis mode. x|y|xy\n */\nfunction getDistanceMetricForAxis(axis) {\n var useX = axis.indexOf('x') !== -1;\n var useY = axis.indexOf('y') !== -1;\n\n return function(pt1, pt2) {\n var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n };\n}\n\nfunction indexMode(chart, e, options) {\n var position = getRelativePosition(e, chart);\n // Default axis for index mode is 'x' to match old behaviour\n options.axis = options.axis || 'x';\n var distanceMetric = getDistanceMetricForAxis(options.axis);\n var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n var elements = [];\n\n if (!items.length) {\n return [];\n }\n\n chart.data.datasets.forEach(function(dataset, datasetIndex) {\n if (chart.isDatasetVisible(datasetIndex)) {\n var meta = chart.getDatasetMeta(datasetIndex);\n var element = meta.data[items[0]._index];\n\n // don't count items that are skipped (null data)\n if (element && !element._view.skip) {\n elements.push(element);\n }\n }\n });\n\n return elements;\n}\n\n/**\n * @interface IInteractionOptions\n */\n/**\n * If true, only consider items that intersect the point\n * @name IInterfaceOptions#boolean\n * @type Boolean\n */\n\n/**\n * Contains interaction related functions\n * @namespace Chart.Interaction\n */\nmodule.exports = {\n // Helper function for different modes\n modes: {\n single: function(chart, e) {\n var position = getRelativePosition(e, chart);\n var elements = [];\n\n parseVisibleItems(chart, function(element) {\n if (element.inRange(position.x, position.y)) {\n elements.push(element);\n return elements;\n }\n });\n\n return elements.slice(0, 1);\n },\n\n /**\n * @function Chart.Interaction.modes.label\n * @deprecated since version 2.4.0\n * @todo remove at version 3\n * @private\n */\n label: indexMode,\n\n /**\n * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something\n * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item\n * @function Chart.Interaction.modes.index\n * @since v2.4.0\n * @param chart {chart} the chart we are returning items from\n * @param e {Event} the event we are find things at\n * @param options {IInteractionOptions} options to use during interaction\n * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n */\n index: indexMode,\n\n /**\n * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something\n * If the options.intersect is false, we find the nearest item and return the items in that dataset\n * @function Chart.Interaction.modes.dataset\n * @param chart {chart} the chart we are returning items from\n * @param e {Event} the event we are find things at\n * @param options {IInteractionOptions} options to use during interaction\n * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n */\n dataset: function(chart, e, options) {\n var position = getRelativePosition(e, chart);\n options.axis = options.axis || 'xy';\n var distanceMetric = getDistanceMetricForAxis(options.axis);\n var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n\n if (items.length > 0) {\n items = chart.getDatasetMeta(items[0]._datasetIndex).data;\n }\n\n return items;\n },\n\n /**\n * @function Chart.Interaction.modes.x-axis\n * @deprecated since version 2.4.0. Use index mode and intersect == true\n * @todo remove at version 3\n * @private\n */\n 'x-axis': function(chart, e) {\n return indexMode(chart, e, {intersect: false});\n },\n\n /**\n * Point mode returns all elements that hit test based on the event position\n * of the event\n * @function Chart.Interaction.modes.intersect\n * @param chart {chart} the chart we are returning items from\n * @param e {Event} the event we are find things at\n * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n */\n point: function(chart, e) {\n var position = getRelativePosition(e, chart);\n return getIntersectItems(chart, position);\n },\n\n /**\n * nearest mode returns the element closest to the point\n * @function Chart.Interaction.modes.intersect\n * @param chart {chart} the chart we are returning items from\n * @param e {Event} the event we are find things at\n * @param options {IInteractionOptions} options to use\n * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n */\n nearest: function(chart, e, options) {\n var position = getRelativePosition(e, chart);\n options.axis = options.axis || 'xy';\n var distanceMetric = getDistanceMetricForAxis(options.axis);\n var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric);\n\n // We have multiple items at the same distance from the event. Now sort by smallest\n if (nearestItems.length > 1) {\n nearestItems.sort(function(a, b) {\n var sizeA = a.getArea();\n var sizeB = b.getArea();\n var ret = sizeA - sizeB;\n\n if (ret === 0) {\n // if equal sort by dataset index\n ret = a._datasetIndex - b._datasetIndex;\n }\n\n return ret;\n });\n }\n\n // Return only 1 item\n return nearestItems.slice(0, 1);\n },\n\n /**\n * x mode returns the elements that hit-test at the current x coordinate\n * @function Chart.Interaction.modes.x\n * @param chart {chart} the chart we are returning items from\n * @param e {Event} the event we are find things at\n * @param options {IInteractionOptions} options to use\n * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n */\n x: function(chart, e, options) {\n var position = getRelativePosition(e, chart);\n var items = [];\n var intersectsItem = false;\n\n parseVisibleItems(chart, function(element) {\n if (element.inXRange(position.x)) {\n items.push(element);\n }\n\n if (element.inRange(position.x, position.y)) {\n intersectsItem = true;\n }\n });\n\n // If we want to trigger on an intersect and we don't have any items\n // that intersect the position, return nothing\n if (options.intersect && !intersectsItem) {\n items = [];\n }\n return items;\n },\n\n /**\n * y mode returns the elements that hit-test at the current y coordinate\n * @function Chart.Interaction.modes.y\n * @param chart {chart} the chart we are returning items from\n * @param e {Event} the event we are find things at\n * @param options {IInteractionOptions} options to use\n * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n */\n y: function(chart, e, options) {\n var position = getRelativePosition(e, chart);\n var items = [];\n var intersectsItem = false;\n\n parseVisibleItems(chart, function(element) {\n if (element.inYRange(position.y)) {\n items.push(element);\n }\n\n if (element.inRange(position.x, position.y)) {\n intersectsItem = true;\n }\n });\n\n // If we want to trigger on an intersect and we don't have any items\n // that intersect the position, return nothing\n if (options.intersect && !intersectsItem) {\n items = [];\n }\n return items;\n }\n }\n};\n\n},{\"45\":45}],29:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\n\ndefaults._set('global', {\n responsive: true,\n responsiveAnimationDuration: 0,\n maintainAspectRatio: true,\n events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'],\n hover: {\n onHover: null,\n mode: 'nearest',\n intersect: true,\n animationDuration: 400\n },\n onClick: null,\n defaultColor: 'rgba(0,0,0,0.1)',\n defaultFontColor: '#666',\n defaultFontFamily: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n defaultFontSize: 12,\n defaultFontStyle: 'normal',\n showLines: true,\n\n // Element defaults defined in element extensions\n elements: {},\n\n // Layout options such as padding\n layout: {\n padding: {\n top: 0,\n right: 0,\n bottom: 0,\n left: 0\n }\n }\n});\n\nmodule.exports = function() {\n\n // Occupy the global variable of Chart, and create a simple base class\n var Chart = function(item, config) {\n this.construct(item, config);\n return this;\n };\n\n Chart.Chart = Chart;\n\n return Chart;\n};\n\n},{\"25\":25}],30:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\n\nmodule.exports = function(Chart) {\n\n function filterByPosition(array, position) {\n return helpers.where(array, function(v) {\n return v.position === position;\n });\n }\n\n function sortByWeight(array, reverse) {\n array.forEach(function(v, i) {\n v._tmpIndex_ = i;\n return v;\n });\n array.sort(function(a, b) {\n var v0 = reverse ? b : a;\n var v1 = reverse ? a : b;\n return v0.weight === v1.weight ?\n v0._tmpIndex_ - v1._tmpIndex_ :\n v0.weight - v1.weight;\n });\n array.forEach(function(v) {\n delete v._tmpIndex_;\n });\n }\n\n /**\n * @interface ILayoutItem\n * @prop {String} position - The position of the item in the chart layout. Possible values are\n * 'left', 'top', 'right', 'bottom', and 'chartArea'\n * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area\n * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down\n * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)\n * @prop {Function} update - Takes two parameters: width and height. Returns size of item\n * @prop {Function} getPadding - Returns an object with padding on the edges\n * @prop {Number} width - Width of item. Must be valid after update()\n * @prop {Number} height - Height of item. Must be valid after update()\n * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update\n * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update\n * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update\n * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update\n */\n\n // The layout service is very self explanatory. It's responsible for the layout within a chart.\n // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need\n // It is this service's responsibility of carrying out that layout.\n Chart.layoutService = {\n defaults: {},\n\n /**\n * Register a box to a chart.\n * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.\n * @param {Chart} chart - the chart to use\n * @param {ILayoutItem} item - the item to add to be layed out\n */\n addBox: function(chart, item) {\n if (!chart.boxes) {\n chart.boxes = [];\n }\n\n // initialize item with default values\n item.fullWidth = item.fullWidth || false;\n item.position = item.position || 'top';\n item.weight = item.weight || 0;\n\n chart.boxes.push(item);\n },\n\n /**\n * Remove a layoutItem from a chart\n * @param {Chart} chart - the chart to remove the box from\n * @param {Object} layoutItem - the item to remove from the layout\n */\n removeBox: function(chart, layoutItem) {\n var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n if (index !== -1) {\n chart.boxes.splice(index, 1);\n }\n },\n\n /**\n * Sets (or updates) options on the given `item`.\n * @param {Chart} chart - the chart in which the item lives (or will be added to)\n * @param {Object} item - the item to configure with the given options\n * @param {Object} options - the new item options.\n */\n configure: function(chart, item, options) {\n var props = ['fullWidth', 'position', 'weight'];\n var ilen = props.length;\n var i = 0;\n var prop;\n\n for (; i < ilen; ++i) {\n prop = props[i];\n if (options.hasOwnProperty(prop)) {\n item[prop] = options[prop];\n }\n }\n },\n\n /**\n * Fits boxes of the given chart into the given size by having each box measure itself\n * then running a fitting algorithm\n * @param {Chart} chart - the chart\n * @param {Number} width - the width to fit into\n * @param {Number} height - the height to fit into\n */\n update: function(chart, width, height) {\n if (!chart) {\n return;\n }\n\n var layoutOptions = chart.options.layout || {};\n var padding = helpers.options.toPadding(layoutOptions.padding);\n var leftPadding = padding.left;\n var rightPadding = padding.right;\n var topPadding = padding.top;\n var bottomPadding = padding.bottom;\n\n var leftBoxes = filterByPosition(chart.boxes, 'left');\n var rightBoxes = filterByPosition(chart.boxes, 'right');\n var topBoxes = filterByPosition(chart.boxes, 'top');\n var bottomBoxes = filterByPosition(chart.boxes, 'bottom');\n var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea');\n\n // Sort boxes by weight. A higher weight is further away from the chart area\n sortByWeight(leftBoxes, true);\n sortByWeight(rightBoxes, false);\n sortByWeight(topBoxes, true);\n sortByWeight(bottomBoxes, false);\n\n // Essentially we now have any number of boxes on each of the 4 sides.\n // Our canvas looks like the following.\n // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and\n // B1 is the bottom axis\n // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays\n // These locations are single-box locations only, when trying to register a chartArea location that is already taken,\n // an error will be thrown.\n //\n // |----------------------------------------------------|\n // | T1 (Full Width) |\n // |----------------------------------------------------|\n // | | | T2 | |\n // | |----|-------------------------------------|----|\n // | | | C1 | | C2 | |\n // | | |----| |----| |\n // | | | | |\n // | L1 | L2 | ChartArea (C0) | R1 |\n // | | | | |\n // | | |----| |----| |\n // | | | C3 | | C4 | |\n // | |----|-------------------------------------|----|\n // | | | B1 | |\n // |----------------------------------------------------|\n // | B2 (Full Width) |\n // |----------------------------------------------------|\n //\n // What we do to find the best sizing, we do the following\n // 1. Determine the minimum size of the chart area.\n // 2. Split the remaining width equally between each vertical axis\n // 3. Split the remaining height equally between each horizontal axis\n // 4. Give each layout the maximum size it can be. The layout will return it's minimum size\n // 5. Adjust the sizes of each axis based on it's minimum reported size.\n // 6. Refit each axis\n // 7. Position each axis in the final location\n // 8. Tell the chart the final location of the chart area\n // 9. Tell any axes that overlay the chart area the positions of the chart area\n\n // Step 1\n var chartWidth = width - leftPadding - rightPadding;\n var chartHeight = height - topPadding - bottomPadding;\n var chartAreaWidth = chartWidth / 2; // min 50%\n var chartAreaHeight = chartHeight / 2; // min 50%\n\n // Step 2\n var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);\n\n // Step 3\n var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);\n\n // Step 4\n var maxChartAreaWidth = chartWidth;\n var maxChartAreaHeight = chartHeight;\n var minBoxSizes = [];\n\n function getMinimumBoxSize(box) {\n var minSize;\n var isHorizontal = box.isHorizontal();\n\n if (isHorizontal) {\n minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);\n maxChartAreaHeight -= minSize.height;\n } else {\n minSize = box.update(verticalBoxWidth, chartAreaHeight);\n maxChartAreaWidth -= minSize.width;\n }\n\n minBoxSizes.push({\n horizontal: isHorizontal,\n minSize: minSize,\n box: box,\n });\n }\n\n helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);\n\n // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478)\n var maxHorizontalLeftPadding = 0;\n var maxHorizontalRightPadding = 0;\n var maxVerticalTopPadding = 0;\n var maxVerticalBottomPadding = 0;\n\n helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) {\n if (horizontalBox.getPadding) {\n var boxPadding = horizontalBox.getPadding();\n maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left);\n maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right);\n }\n });\n\n helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) {\n if (verticalBox.getPadding) {\n var boxPadding = verticalBox.getPadding();\n maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top);\n maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom);\n }\n });\n\n // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could\n // be if the axes are drawn at their minimum sizes.\n // Steps 5 & 6\n var totalLeftBoxesWidth = leftPadding;\n var totalRightBoxesWidth = rightPadding;\n var totalTopBoxesHeight = topPadding;\n var totalBottomBoxesHeight = bottomPadding;\n\n // Function to fit a box\n function fitBox(box) {\n var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) {\n return minBox.box === box;\n });\n\n if (minBoxSize) {\n if (box.isHorizontal()) {\n var scaleMargin = {\n left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding),\n right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding),\n top: 0,\n bottom: 0\n };\n\n // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends\n // on the margin. Sometimes they need to increase in size slightly\n box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);\n } else {\n box.update(minBoxSize.minSize.width, maxChartAreaHeight);\n }\n }\n }\n\n // Update, and calculate the left and right margins for the horizontal boxes\n helpers.each(leftBoxes.concat(rightBoxes), fitBox);\n\n helpers.each(leftBoxes, function(box) {\n totalLeftBoxesWidth += box.width;\n });\n\n helpers.each(rightBoxes, function(box) {\n totalRightBoxesWidth += box.width;\n });\n\n // Set the Left and Right margins for the horizontal boxes\n helpers.each(topBoxes.concat(bottomBoxes), fitBox);\n\n // Figure out how much margin is on the top and bottom of the vertical boxes\n helpers.each(topBoxes, function(box) {\n totalTopBoxesHeight += box.height;\n });\n\n helpers.each(bottomBoxes, function(box) {\n totalBottomBoxesHeight += box.height;\n });\n\n function finalFitVerticalBox(box) {\n var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) {\n return minSize.box === box;\n });\n\n var scaleMargin = {\n left: 0,\n right: 0,\n top: totalTopBoxesHeight,\n bottom: totalBottomBoxesHeight\n };\n\n if (minBoxSize) {\n box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);\n }\n }\n\n // Let the left layout know the final margin\n helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);\n\n // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)\n totalLeftBoxesWidth = leftPadding;\n totalRightBoxesWidth = rightPadding;\n totalTopBoxesHeight = topPadding;\n totalBottomBoxesHeight = bottomPadding;\n\n helpers.each(leftBoxes, function(box) {\n totalLeftBoxesWidth += box.width;\n });\n\n helpers.each(rightBoxes, function(box) {\n totalRightBoxesWidth += box.width;\n });\n\n helpers.each(topBoxes, function(box) {\n totalTopBoxesHeight += box.height;\n });\n helpers.each(bottomBoxes, function(box) {\n totalBottomBoxesHeight += box.height;\n });\n\n // We may be adding some padding to account for rotated x axis labels\n var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0);\n totalLeftBoxesWidth += leftPaddingAddition;\n totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0);\n\n var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0);\n totalTopBoxesHeight += topPaddingAddition;\n totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0);\n\n // Figure out if our chart area changed. This would occur if the dataset layout label rotation\n // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do\n // without calling `fit` again\n var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;\n var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;\n\n if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {\n helpers.each(leftBoxes, function(box) {\n box.height = newMaxChartAreaHeight;\n });\n\n helpers.each(rightBoxes, function(box) {\n box.height = newMaxChartAreaHeight;\n });\n\n helpers.each(topBoxes, function(box) {\n if (!box.fullWidth) {\n box.width = newMaxChartAreaWidth;\n }\n });\n\n helpers.each(bottomBoxes, function(box) {\n if (!box.fullWidth) {\n box.width = newMaxChartAreaWidth;\n }\n });\n\n maxChartAreaHeight = newMaxChartAreaHeight;\n maxChartAreaWidth = newMaxChartAreaWidth;\n }\n\n // Step 7 - Position the boxes\n var left = leftPadding + leftPaddingAddition;\n var top = topPadding + topPaddingAddition;\n\n function placeBox(box) {\n if (box.isHorizontal()) {\n box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth;\n box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth;\n box.top = top;\n box.bottom = top + box.height;\n\n // Move to next point\n top = box.bottom;\n\n } else {\n\n box.left = left;\n box.right = left + box.width;\n box.top = totalTopBoxesHeight;\n box.bottom = totalTopBoxesHeight + maxChartAreaHeight;\n\n // Move to next point\n left = box.right;\n }\n }\n\n helpers.each(leftBoxes.concat(topBoxes), placeBox);\n\n // Account for chart width and height\n left += maxChartAreaWidth;\n top += maxChartAreaHeight;\n\n helpers.each(rightBoxes, placeBox);\n helpers.each(bottomBoxes, placeBox);\n\n // Step 8\n chart.chartArea = {\n left: totalLeftBoxesWidth,\n top: totalTopBoxesHeight,\n right: totalLeftBoxesWidth + maxChartAreaWidth,\n bottom: totalTopBoxesHeight + maxChartAreaHeight\n };\n\n // Step 9\n helpers.each(chartAreaBoxes, function(box) {\n box.left = chart.chartArea.left;\n box.top = chart.chartArea.top;\n box.right = chart.chartArea.right;\n box.bottom = chart.chartArea.bottom;\n\n box.update(maxChartAreaWidth, maxChartAreaHeight);\n });\n }\n };\n};\n\n},{\"45\":45}],31:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\ndefaults._set('global', {\n plugins: {}\n});\n\nmodule.exports = function(Chart) {\n\n /**\n * The plugin service singleton\n * @namespace Chart.plugins\n * @since 2.1.0\n */\n Chart.plugins = {\n /**\n * Globally registered plugins.\n * @private\n */\n _plugins: [],\n\n /**\n * This identifier is used to invalidate the descriptors cache attached to each chart\n * when a global plugin is registered or unregistered. In this case, the cache ID is\n * incremented and descriptors are regenerated during following API calls.\n * @private\n */\n _cacheId: 0,\n\n /**\n * Registers the given plugin(s) if not already registered.\n * @param {Array|Object} plugins plugin instance(s).\n */\n register: function(plugins) {\n var p = this._plugins;\n ([]).concat(plugins).forEach(function(plugin) {\n if (p.indexOf(plugin) === -1) {\n p.push(plugin);\n }\n });\n\n this._cacheId++;\n },\n\n /**\n * Unregisters the given plugin(s) only if registered.\n * @param {Array|Object} plugins plugin instance(s).\n */\n unregister: function(plugins) {\n var p = this._plugins;\n ([]).concat(plugins).forEach(function(plugin) {\n var idx = p.indexOf(plugin);\n if (idx !== -1) {\n p.splice(idx, 1);\n }\n });\n\n this._cacheId++;\n },\n\n /**\n * Remove all registered plugins.\n * @since 2.1.5\n */\n clear: function() {\n this._plugins = [];\n this._cacheId++;\n },\n\n /**\n * Returns the number of registered plugins?\n * @returns {Number}\n * @since 2.1.5\n */\n count: function() {\n return this._plugins.length;\n },\n\n /**\n * Returns all registered plugin instances.\n * @returns {Array} array of plugin objects.\n * @since 2.1.5\n */\n getAll: function() {\n return this._plugins;\n },\n\n /**\n * Calls enabled plugins for `chart` on the specified hook and with the given args.\n * This method immediately returns as soon as a plugin explicitly returns false. The\n * returned value can be used, for instance, to interrupt the current action.\n * @param {Object} chart - The chart instance for which plugins should be called.\n * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n * @param {Array} [args] - Extra arguments to apply to the hook call.\n * @returns {Boolean} false if any of the plugins return false, else returns true.\n */\n notify: function(chart, hook, args) {\n var descriptors = this.descriptors(chart);\n var ilen = descriptors.length;\n var i, descriptor, plugin, params, method;\n\n for (i = 0; i < ilen; ++i) {\n descriptor = descriptors[i];\n plugin = descriptor.plugin;\n method = plugin[hook];\n if (typeof method === 'function') {\n params = [chart].concat(args || []);\n params.push(descriptor.options);\n if (method.apply(plugin, params) === false) {\n return false;\n }\n }\n }\n\n return true;\n },\n\n /**\n * Returns descriptors of enabled plugins for the given chart.\n * @returns {Array} [{ plugin, options }]\n * @private\n */\n descriptors: function(chart) {\n var cache = chart._plugins || (chart._plugins = {});\n if (cache.id === this._cacheId) {\n return cache.descriptors;\n }\n\n var plugins = [];\n var descriptors = [];\n var config = (chart && chart.config) || {};\n var options = (config.options && config.options.plugins) || {};\n\n this._plugins.concat(config.plugins || []).forEach(function(plugin) {\n var idx = plugins.indexOf(plugin);\n if (idx !== -1) {\n return;\n }\n\n var id = plugin.id;\n var opts = options[id];\n if (opts === false) {\n return;\n }\n\n if (opts === true) {\n opts = helpers.clone(defaults.global.plugins[id]);\n }\n\n plugins.push(plugin);\n descriptors.push({\n plugin: plugin,\n options: opts || {}\n });\n });\n\n cache.descriptors = descriptors;\n cache.id = this._cacheId;\n return descriptors;\n }\n };\n\n /**\n * Plugin extension hooks.\n * @interface IPlugin\n * @since 2.1.0\n */\n /**\n * @method IPlugin#beforeInit\n * @desc Called before initializing `chart`.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#afterInit\n * @desc Called after `chart` has been initialized and before the first update.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeUpdate\n * @desc Called before updating `chart`. If any plugin returns `false`, the update\n * is cancelled (and thus subsequent render(s)) until another `update` is triggered.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart update.\n */\n /**\n * @method IPlugin#afterUpdate\n * @desc Called after `chart` has been updated and before rendering. Note that this\n * hook will not be called if the chart update has been previously cancelled.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeDatasetsUpdate\n * @desc Called before updating the `chart` datasets. If any plugin returns `false`,\n * the datasets update is cancelled until another `update` is triggered.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} false to cancel the datasets update.\n * @since version 2.1.5\n */\n /**\n * @method IPlugin#afterDatasetsUpdate\n * @desc Called after the `chart` datasets have been updated. Note that this hook\n * will not be called if the datasets update has been previously cancelled.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n * @since version 2.1.5\n */\n /**\n * @method IPlugin#beforeDatasetUpdate\n * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin\n * returns `false`, the datasets update is cancelled until another `update` is triggered.\n * @param {Chart} chart - The chart instance.\n * @param {Object} args - The call arguments.\n * @param {Number} args.index - The dataset index.\n * @param {Object} args.meta - The dataset metadata.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart datasets drawing.\n */\n /**\n * @method IPlugin#afterDatasetUpdate\n * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note\n * that this hook will not be called if the datasets update has been previously cancelled.\n * @param {Chart} chart - The chart instance.\n * @param {Object} args - The call arguments.\n * @param {Number} args.index - The dataset index.\n * @param {Object} args.meta - The dataset metadata.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeLayout\n * @desc Called before laying out `chart`. If any plugin returns `false`,\n * the layout update is cancelled until another `update` is triggered.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart layout.\n */\n /**\n * @method IPlugin#afterLayout\n * @desc Called after the `chart` has been layed out. Note that this hook will not\n * be called if the layout update has been previously cancelled.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeRender\n * @desc Called before rendering `chart`. If any plugin returns `false`,\n * the rendering is cancelled until another `render` is triggered.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart rendering.\n */\n /**\n * @method IPlugin#afterRender\n * @desc Called after the `chart` has been fully rendered (and animation completed). Note\n * that this hook will not be called if the rendering has been previously cancelled.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeDraw\n * @desc Called before drawing `chart` at every animation frame specified by the given\n * easing value. If any plugin returns `false`, the frame drawing is cancelled until\n * another `render` is triggered.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart drawing.\n */\n /**\n * @method IPlugin#afterDraw\n * @desc Called after the `chart` has been drawn for the specific easing value. Note\n * that this hook will not be called if the drawing has been previously cancelled.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeDatasetsDraw\n * @desc Called before drawing the `chart` datasets. If any plugin returns `false`,\n * the datasets drawing is cancelled until another `render` is triggered.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart datasets drawing.\n */\n /**\n * @method IPlugin#afterDatasetsDraw\n * @desc Called after the `chart` datasets have been drawn. Note that this hook\n * will not be called if the datasets drawing has been previously cancelled.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeDatasetDraw\n * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets\n * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing\n * is cancelled until another `render` is triggered.\n * @param {Chart} chart - The chart instance.\n * @param {Object} args - The call arguments.\n * @param {Number} args.index - The dataset index.\n * @param {Object} args.meta - The dataset metadata.\n * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart datasets drawing.\n */\n /**\n * @method IPlugin#afterDatasetDraw\n * @desc Called after the `chart` datasets at the given `args.index` have been drawn\n * (datasets are drawn in the reverse order). Note that this hook will not be called\n * if the datasets drawing has been previously cancelled.\n * @param {Chart} chart - The chart instance.\n * @param {Object} args - The call arguments.\n * @param {Number} args.index - The dataset index.\n * @param {Object} args.meta - The dataset metadata.\n * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeTooltipDraw\n * @desc Called before drawing the `tooltip`. If any plugin returns `false`,\n * the tooltip drawing is cancelled until another `render` is triggered.\n * @param {Chart} chart - The chart instance.\n * @param {Object} args - The call arguments.\n * @param {Object} args.tooltip - The tooltip.\n * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n * @returns {Boolean} `false` to cancel the chart tooltip drawing.\n */\n /**\n * @method IPlugin#afterTooltipDraw\n * @desc Called after drawing the `tooltip`. Note that this hook will not\n * be called if the tooltip drawing has been previously cancelled.\n * @param {Chart} chart - The chart instance.\n * @param {Object} args - The call arguments.\n * @param {Object} args.tooltip - The tooltip.\n * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#beforeEvent\n * @desc Called before processing the specified `event`. If any plugin returns `false`,\n * the event will be discarded.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {IEvent} event - The event object.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#afterEvent\n * @desc Called after the `event` has been consumed. Note that this hook\n * will not be called if the `event` has been previously discarded.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {IEvent} event - The event object.\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#resize\n * @desc Called after the chart as been resized.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Number} size - The new canvas display size (eq. canvas.style width & height).\n * @param {Object} options - The plugin options.\n */\n /**\n * @method IPlugin#destroy\n * @desc Called after the chart as been destroyed.\n * @param {Chart.Controller} chart - The chart instance.\n * @param {Object} options - The plugin options.\n */\n\n /**\n * Provided for backward compatibility, use Chart.plugins instead\n * @namespace Chart.pluginService\n * @deprecated since version 2.1.5\n * @todo remove at version 3\n * @private\n */\n Chart.pluginService = Chart.plugins;\n\n /**\n * Provided for backward compatibility, inheriting from Chart.PlugingBase has no\n * effect, instead simply create/register plugins via plain JavaScript objects.\n * @interface Chart.PluginBase\n * @deprecated since version 2.5.0\n * @todo remove at version 3\n * @private\n */\n Chart.PluginBase = Element.extend({});\n};\n\n},{\"25\":25,\"26\":26,\"45\":45}],32:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\nvar Ticks = require(34);\n\ndefaults._set('scale', {\n display: true,\n position: 'left',\n offset: false,\n\n // grid line settings\n gridLines: {\n display: true,\n color: 'rgba(0, 0, 0, 0.1)',\n lineWidth: 1,\n drawBorder: true,\n drawOnChartArea: true,\n drawTicks: true,\n tickMarkLength: 10,\n zeroLineWidth: 1,\n zeroLineColor: 'rgba(0,0,0,0.25)',\n zeroLineBorderDash: [],\n zeroLineBorderDashOffset: 0.0,\n offsetGridLines: false,\n borderDash: [],\n borderDashOffset: 0.0\n },\n\n // scale label\n scaleLabel: {\n // display property\n display: false,\n\n // actual label\n labelString: '',\n\n // line height\n lineHeight: 1.2,\n\n // top/bottom padding\n padding: {\n top: 4,\n bottom: 4\n }\n },\n\n // label settings\n ticks: {\n beginAtZero: false,\n minRotation: 0,\n maxRotation: 50,\n mirror: false,\n padding: 0,\n reverse: false,\n display: true,\n autoSkip: true,\n autoSkipPadding: 0,\n labelOffset: 0,\n // We pass through arrays to be rendered as multiline labels, we convert Others to strings here.\n callback: Ticks.formatters.values,\n minor: {},\n major: {}\n }\n});\n\nfunction labelsFromTicks(ticks) {\n var labels = [];\n var i, ilen;\n\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n labels.push(ticks[i].label);\n }\n\n return labels;\n}\n\nfunction getLineValue(scale, index, offsetGridLines) {\n var lineValue = scale.getPixelForTick(index);\n\n if (offsetGridLines) {\n if (index === 0) {\n lineValue -= (scale.getPixelForTick(1) - lineValue) / 2;\n } else {\n lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2;\n }\n }\n return lineValue;\n}\n\nmodule.exports = function(Chart) {\n\n function computeTextSize(context, tick, font) {\n return helpers.isArray(tick) ?\n helpers.longestText(context, font, tick) :\n context.measureText(tick).width;\n }\n\n function parseFontOptions(options) {\n var valueOrDefault = helpers.valueOrDefault;\n var globalDefaults = defaults.global;\n var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);\n var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle);\n var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily);\n\n return {\n size: size,\n style: style,\n family: family,\n font: helpers.fontString(size, style, family)\n };\n }\n\n function parseLineHeight(options) {\n return helpers.options.toLineHeight(\n helpers.valueOrDefault(options.lineHeight, 1.2),\n helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize));\n }\n\n Chart.Scale = Element.extend({\n /**\n * Get the padding needed for the scale\n * @method getPadding\n * @private\n * @returns {Padding} the necessary padding\n */\n getPadding: function() {\n var me = this;\n return {\n left: me.paddingLeft || 0,\n top: me.paddingTop || 0,\n right: me.paddingRight || 0,\n bottom: me.paddingBottom || 0\n };\n },\n\n /**\n * Returns the scale tick objects ({label, major})\n * @since 2.7\n */\n getTicks: function() {\n return this._ticks;\n },\n\n // These methods are ordered by lifecyle. Utilities then follow.\n // Any function defined here is inherited by all scale types.\n // Any function can be extended by the scale type\n\n mergeTicksOptions: function() {\n var ticks = this.options.ticks;\n if (ticks.minor === false) {\n ticks.minor = {\n display: false\n };\n }\n if (ticks.major === false) {\n ticks.major = {\n display: false\n };\n }\n for (var key in ticks) {\n if (key !== 'major' && key !== 'minor') {\n if (typeof ticks.minor[key] === 'undefined') {\n ticks.minor[key] = ticks[key];\n }\n if (typeof ticks.major[key] === 'undefined') {\n ticks.major[key] = ticks[key];\n }\n }\n }\n },\n beforeUpdate: function() {\n helpers.callback(this.options.beforeUpdate, [this]);\n },\n update: function(maxWidth, maxHeight, margins) {\n var me = this;\n var i, ilen, labels, label, ticks, tick;\n\n // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n me.beforeUpdate();\n\n // Absorb the master measurements\n me.maxWidth = maxWidth;\n me.maxHeight = maxHeight;\n me.margins = helpers.extend({\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n }, margins);\n me.longestTextCache = me.longestTextCache || {};\n\n // Dimensions\n me.beforeSetDimensions();\n me.setDimensions();\n me.afterSetDimensions();\n\n // Data min/max\n me.beforeDataLimits();\n me.determineDataLimits();\n me.afterDataLimits();\n\n // Ticks - `this.ticks` is now DEPRECATED!\n // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member\n // and must not be accessed directly from outside this class. `this.ticks` being\n // around for long time and not marked as private, we can't change its structure\n // without unexpected breaking changes. If you need to access the scale ticks,\n // use scale.getTicks() instead.\n\n me.beforeBuildTicks();\n\n // New implementations should return an array of objects but for BACKWARD COMPAT,\n // we still support no return (`this.ticks` internally set by calling this method).\n ticks = me.buildTicks() || [];\n\n me.afterBuildTicks();\n\n me.beforeTickToLabelConversion();\n\n // New implementations should return the formatted tick labels but for BACKWARD\n // COMPAT, we still support no return (`this.ticks` internally changed by calling\n // this method and supposed to contain only string values).\n labels = me.convertTicksToLabels(ticks) || me.ticks;\n\n me.afterTickToLabelConversion();\n\n me.ticks = labels; // BACKWARD COMPATIBILITY\n\n // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change!\n\n // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)\n for (i = 0, ilen = labels.length; i < ilen; ++i) {\n label = labels[i];\n tick = ticks[i];\n if (!tick) {\n ticks.push(tick = {\n label: label,\n major: false\n });\n } else {\n tick.label = label;\n }\n }\n\n me._ticks = ticks;\n\n // Tick Rotation\n me.beforeCalculateTickRotation();\n me.calculateTickRotation();\n me.afterCalculateTickRotation();\n // Fit\n me.beforeFit();\n me.fit();\n me.afterFit();\n //\n me.afterUpdate();\n\n return me.minSize;\n\n },\n afterUpdate: function() {\n helpers.callback(this.options.afterUpdate, [this]);\n },\n\n //\n\n beforeSetDimensions: function() {\n helpers.callback(this.options.beforeSetDimensions, [this]);\n },\n setDimensions: function() {\n var me = this;\n // Set the unconstrained dimension before label rotation\n if (me.isHorizontal()) {\n // Reset position before calculating rotation\n me.width = me.maxWidth;\n me.left = 0;\n me.right = me.width;\n } else {\n me.height = me.maxHeight;\n\n // Reset position before calculating rotation\n me.top = 0;\n me.bottom = me.height;\n }\n\n // Reset padding\n me.paddingLeft = 0;\n me.paddingTop = 0;\n me.paddingRight = 0;\n me.paddingBottom = 0;\n },\n afterSetDimensions: function() {\n helpers.callback(this.options.afterSetDimensions, [this]);\n },\n\n // Data limits\n beforeDataLimits: function() {\n helpers.callback(this.options.beforeDataLimits, [this]);\n },\n determineDataLimits: helpers.noop,\n afterDataLimits: function() {\n helpers.callback(this.options.afterDataLimits, [this]);\n },\n\n //\n beforeBuildTicks: function() {\n helpers.callback(this.options.beforeBuildTicks, [this]);\n },\n buildTicks: helpers.noop,\n afterBuildTicks: function() {\n helpers.callback(this.options.afterBuildTicks, [this]);\n },\n\n beforeTickToLabelConversion: function() {\n helpers.callback(this.options.beforeTickToLabelConversion, [this]);\n },\n convertTicksToLabels: function() {\n var me = this;\n // Convert ticks to strings\n var tickOpts = me.options.ticks;\n me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);\n },\n afterTickToLabelConversion: function() {\n helpers.callback(this.options.afterTickToLabelConversion, [this]);\n },\n\n //\n\n beforeCalculateTickRotation: function() {\n helpers.callback(this.options.beforeCalculateTickRotation, [this]);\n },\n calculateTickRotation: function() {\n var me = this;\n var context = me.ctx;\n var tickOpts = me.options.ticks;\n var labels = labelsFromTicks(me._ticks);\n\n // Get the width of each grid by calculating the difference\n // between x offsets between 0 and 1.\n var tickFont = parseFontOptions(tickOpts);\n context.font = tickFont.font;\n\n var labelRotation = tickOpts.minRotation || 0;\n\n if (labels.length && me.options.display && me.isHorizontal()) {\n var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache);\n var labelWidth = originalLabelWidth;\n var cosRotation, sinRotation;\n\n // Allow 3 pixels x2 padding either side for label readability\n var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6;\n\n // Max label rotation can be set or default to 90 - also act as a loop counter\n while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) {\n var angleRadians = helpers.toRadians(labelRotation);\n cosRotation = Math.cos(angleRadians);\n sinRotation = Math.sin(angleRadians);\n\n if (sinRotation * originalLabelWidth > me.maxHeight) {\n // go back one step\n labelRotation--;\n break;\n }\n\n labelRotation++;\n labelWidth = cosRotation * originalLabelWidth;\n }\n }\n\n me.labelRotation = labelRotation;\n },\n afterCalculateTickRotation: function() {\n helpers.callback(this.options.afterCalculateTickRotation, [this]);\n },\n\n //\n\n beforeFit: function() {\n helpers.callback(this.options.beforeFit, [this]);\n },\n fit: function() {\n var me = this;\n // Reset\n var minSize = me.minSize = {\n width: 0,\n height: 0\n };\n\n var labels = labelsFromTicks(me._ticks);\n\n var opts = me.options;\n var tickOpts = opts.ticks;\n var scaleLabelOpts = opts.scaleLabel;\n var gridLineOpts = opts.gridLines;\n var display = opts.display;\n var isHorizontal = me.isHorizontal();\n\n var tickFont = parseFontOptions(tickOpts);\n var tickMarkLength = opts.gridLines.tickMarkLength;\n\n // Width\n if (isHorizontal) {\n // subtract the margins to line up with the chartArea if we are a full width scale\n minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth;\n } else {\n minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n }\n\n // height\n if (isHorizontal) {\n minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n } else {\n minSize.height = me.maxHeight; // fill all the height\n }\n\n // Are we showing a title for the scale?\n if (scaleLabelOpts.display && display) {\n var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts);\n var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding);\n var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height;\n\n if (isHorizontal) {\n minSize.height += deltaHeight;\n } else {\n minSize.width += deltaHeight;\n }\n }\n\n // Don't bother fitting the ticks if we are not showing them\n if (tickOpts.display && display) {\n var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache);\n var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels);\n var lineSpace = tickFont.size * 0.5;\n var tickPadding = me.options.ticks.padding;\n\n if (isHorizontal) {\n // A horizontal axis is more constrained by the height.\n me.longestLabelWidth = largestTextWidth;\n\n var angleRadians = helpers.toRadians(me.labelRotation);\n var cosRotation = Math.cos(angleRadians);\n var sinRotation = Math.sin(angleRadians);\n\n // TODO - improve this calculation\n var labelHeight = (sinRotation * largestTextWidth)\n + (tickFont.size * tallestLabelHeightInLines)\n + (lineSpace * (tallestLabelHeightInLines - 1))\n + lineSpace; // padding\n\n minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);\n\n me.ctx.font = tickFont.font;\n var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font);\n var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font);\n\n // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned\n // which means that the right padding is dominated by the font height\n if (me.labelRotation !== 0) {\n me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges\n me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3;\n } else {\n me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges\n me.paddingRight = lastLabelWidth / 2 + 3;\n }\n } else {\n // A vertical axis is more constrained by the width. Labels are the\n // dominant factor here, so get that length first and account for padding\n if (tickOpts.mirror) {\n largestTextWidth = 0;\n } else {\n // use lineSpace for consistency with horizontal axis\n // tickPadding is not implemented for horizontal\n largestTextWidth += tickPadding + lineSpace;\n }\n\n minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth);\n\n me.paddingTop = tickFont.size / 2;\n me.paddingBottom = tickFont.size / 2;\n }\n }\n\n me.handleMargins();\n\n me.width = minSize.width;\n me.height = minSize.height;\n },\n\n /**\n * Handle margins and padding interactions\n * @private\n */\n handleMargins: function() {\n var me = this;\n if (me.margins) {\n me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0);\n me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0);\n me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0);\n me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0);\n }\n },\n\n afterFit: function() {\n helpers.callback(this.options.afterFit, [this]);\n },\n\n // Shared Methods\n isHorizontal: function() {\n return this.options.position === 'top' || this.options.position === 'bottom';\n },\n isFullWidth: function() {\n return (this.options.fullWidth);\n },\n\n // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not\n getRightValue: function(rawValue) {\n // Null and undefined values first\n if (helpers.isNullOrUndef(rawValue)) {\n return NaN;\n }\n // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values\n if (typeof rawValue === 'number' && !isFinite(rawValue)) {\n return NaN;\n }\n // If it is in fact an object, dive in one more level\n if (rawValue) {\n if (this.isHorizontal()) {\n if (rawValue.x !== undefined) {\n return this.getRightValue(rawValue.x);\n }\n } else if (rawValue.y !== undefined) {\n return this.getRightValue(rawValue.y);\n }\n }\n\n // Value is good, return it\n return rawValue;\n },\n\n /**\n * Used to get the value to display in the tooltip for the data at the given index\n * @param index\n * @param datasetIndex\n */\n getLabelForIndex: helpers.noop,\n\n /**\n * Returns the location of the given data point. Value can either be an index or a numerical value\n * The coordinate (0, 0) is at the upper-left corner of the canvas\n * @param value\n * @param index\n * @param datasetIndex\n */\n getPixelForValue: helpers.noop,\n\n /**\n * Used to get the data value from a given pixel. This is the inverse of getPixelForValue\n * The coordinate (0, 0) is at the upper-left corner of the canvas\n * @param pixel\n */\n getValueForPixel: helpers.noop,\n\n /**\n * Returns the location of the tick at the given index\n * The coordinate (0, 0) is at the upper-left corner of the canvas\n */\n getPixelForTick: function(index) {\n var me = this;\n var offset = me.options.offset;\n if (me.isHorizontal()) {\n var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n var pixel = (tickWidth * index) + me.paddingLeft;\n\n if (offset) {\n pixel += tickWidth / 2;\n }\n\n var finalVal = me.left + Math.round(pixel);\n finalVal += me.isFullWidth() ? me.margins.left : 0;\n return finalVal;\n }\n var innerHeight = me.height - (me.paddingTop + me.paddingBottom);\n return me.top + (index * (innerHeight / (me._ticks.length - 1)));\n },\n\n /**\n * Utility for getting the pixel location of a percentage of scale\n * The coordinate (0, 0) is at the upper-left corner of the canvas\n */\n getPixelForDecimal: function(decimal) {\n var me = this;\n if (me.isHorizontal()) {\n var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n var valueOffset = (innerWidth * decimal) + me.paddingLeft;\n\n var finalVal = me.left + Math.round(valueOffset);\n finalVal += me.isFullWidth() ? me.margins.left : 0;\n return finalVal;\n }\n return me.top + (decimal * me.height);\n },\n\n /**\n * Returns the pixel for the minimum chart value\n * The coordinate (0, 0) is at the upper-left corner of the canvas\n */\n getBasePixel: function() {\n return this.getPixelForValue(this.getBaseValue());\n },\n\n getBaseValue: function() {\n var me = this;\n var min = me.min;\n var max = me.max;\n\n return me.beginAtZero ? 0 :\n min < 0 && max < 0 ? max :\n min > 0 && max > 0 ? min :\n 0;\n },\n\n /**\n * Returns a subset of ticks to be plotted to avoid overlapping labels.\n * @private\n */\n _autoSkip: function(ticks) {\n var skipRatio;\n var me = this;\n var isHorizontal = me.isHorizontal();\n var optionTicks = me.options.ticks.minor;\n var tickCount = ticks.length;\n var labelRotationRadians = helpers.toRadians(me.labelRotation);\n var cosRotation = Math.cos(labelRotationRadians);\n var longestRotatedLabel = me.longestLabelWidth * cosRotation;\n var result = [];\n var i, tick, shouldSkip;\n\n // figure out the maximum number of gridlines to show\n var maxTicks;\n if (optionTicks.maxTicksLimit) {\n maxTicks = optionTicks.maxTicksLimit;\n }\n\n if (isHorizontal) {\n skipRatio = false;\n\n if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) {\n skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight)));\n }\n\n // if they defined a max number of optionTicks,\n // increase skipRatio until that number is met\n if (maxTicks && tickCount > maxTicks) {\n skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks));\n }\n }\n\n for (i = 0; i < tickCount; i++) {\n tick = ticks[i];\n\n // Since we always show the last tick,we need may need to hide the last shown one before\n shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount);\n if (shouldSkip && i !== tickCount - 1) {\n // leave tick in place but make sure it's not displayed (#4635)\n delete tick.label;\n }\n result.push(tick);\n }\n return result;\n },\n\n // Actually draw the scale on the canvas\n // @param {rectangle} chartArea : the area of the chart to draw full grid lines on\n draw: function(chartArea) {\n var me = this;\n var options = me.options;\n if (!options.display) {\n return;\n }\n\n var context = me.ctx;\n var globalDefaults = defaults.global;\n var optionTicks = options.ticks.minor;\n var optionMajorTicks = options.ticks.major || optionTicks;\n var gridLines = options.gridLines;\n var scaleLabel = options.scaleLabel;\n\n var isRotated = me.labelRotation !== 0;\n var isHorizontal = me.isHorizontal();\n\n var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks();\n var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor);\n var tickFont = parseFontOptions(optionTicks);\n var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor);\n var majorTickFont = parseFontOptions(optionMajorTicks);\n\n var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0;\n\n var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor);\n var scaleLabelFont = parseFontOptions(scaleLabel);\n var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding);\n var labelRotationRadians = helpers.toRadians(me.labelRotation);\n\n var itemsToDraw = [];\n\n var xTickStart = options.position === 'right' ? me.left : me.right - tl;\n var xTickEnd = options.position === 'right' ? me.left + tl : me.right;\n var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl;\n var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom;\n\n helpers.each(ticks, function(tick, index) {\n // autoskipper skipped this tick (#4635)\n if (helpers.isNullOrUndef(tick.label)) {\n return;\n }\n\n var label = tick.label;\n var lineWidth, lineColor, borderDash, borderDashOffset;\n if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) {\n // Draw the first index specially\n lineWidth = gridLines.zeroLineWidth;\n lineColor = gridLines.zeroLineColor;\n borderDash = gridLines.zeroLineBorderDash;\n borderDashOffset = gridLines.zeroLineBorderDashOffset;\n } else {\n lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index);\n lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index);\n borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash);\n borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset);\n }\n\n // Common properties\n var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY;\n var textAlign = 'middle';\n var textBaseline = 'middle';\n var tickPadding = optionTicks.padding;\n\n if (isHorizontal) {\n var labelYOffset = tl + tickPadding;\n\n if (options.position === 'bottom') {\n // bottom\n textBaseline = !isRotated ? 'top' : 'middle';\n textAlign = !isRotated ? 'center' : 'right';\n labelY = me.top + labelYOffset;\n } else {\n // top\n textBaseline = !isRotated ? 'bottom' : 'middle';\n textAlign = !isRotated ? 'center' : 'left';\n labelY = me.bottom - labelYOffset;\n }\n\n var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n if (xLineValue < me.left) {\n lineColor = 'rgba(0,0,0,0)';\n }\n xLineValue += helpers.aliasPixel(lineWidth);\n\n labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option)\n\n tx1 = tx2 = x1 = x2 = xLineValue;\n ty1 = yTickStart;\n ty2 = yTickEnd;\n y1 = chartArea.top;\n y2 = chartArea.bottom;\n } else {\n var isLeft = options.position === 'left';\n var labelXOffset;\n\n if (optionTicks.mirror) {\n textAlign = isLeft ? 'left' : 'right';\n labelXOffset = tickPadding;\n } else {\n textAlign = isLeft ? 'right' : 'left';\n labelXOffset = tl + tickPadding;\n }\n\n labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset;\n\n var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n if (yLineValue < me.top) {\n lineColor = 'rgba(0,0,0,0)';\n }\n yLineValue += helpers.aliasPixel(lineWidth);\n\n labelY = me.getPixelForTick(index) + optionTicks.labelOffset;\n\n tx1 = xTickStart;\n tx2 = xTickEnd;\n x1 = chartArea.left;\n x2 = chartArea.right;\n ty1 = ty2 = y1 = y2 = yLineValue;\n }\n\n itemsToDraw.push({\n tx1: tx1,\n ty1: ty1,\n tx2: tx2,\n ty2: ty2,\n x1: x1,\n y1: y1,\n x2: x2,\n y2: y2,\n labelX: labelX,\n labelY: labelY,\n glWidth: lineWidth,\n glColor: lineColor,\n glBorderDash: borderDash,\n glBorderDashOffset: borderDashOffset,\n rotation: -1 * labelRotationRadians,\n label: label,\n major: tick.major,\n textBaseline: textBaseline,\n textAlign: textAlign\n });\n });\n\n // Draw all of the tick labels, tick marks, and grid lines at the correct places\n helpers.each(itemsToDraw, function(itemToDraw) {\n if (gridLines.display) {\n context.save();\n context.lineWidth = itemToDraw.glWidth;\n context.strokeStyle = itemToDraw.glColor;\n if (context.setLineDash) {\n context.setLineDash(itemToDraw.glBorderDash);\n context.lineDashOffset = itemToDraw.glBorderDashOffset;\n }\n\n context.beginPath();\n\n if (gridLines.drawTicks) {\n context.moveTo(itemToDraw.tx1, itemToDraw.ty1);\n context.lineTo(itemToDraw.tx2, itemToDraw.ty2);\n }\n\n if (gridLines.drawOnChartArea) {\n context.moveTo(itemToDraw.x1, itemToDraw.y1);\n context.lineTo(itemToDraw.x2, itemToDraw.y2);\n }\n\n context.stroke();\n context.restore();\n }\n\n if (optionTicks.display) {\n // Make sure we draw text in the correct color and font\n context.save();\n context.translate(itemToDraw.labelX, itemToDraw.labelY);\n context.rotate(itemToDraw.rotation);\n context.font = itemToDraw.major ? majorTickFont.font : tickFont.font;\n context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor;\n context.textBaseline = itemToDraw.textBaseline;\n context.textAlign = itemToDraw.textAlign;\n\n var label = itemToDraw.label;\n if (helpers.isArray(label)) {\n for (var i = 0, y = 0; i < label.length; ++i) {\n // We just make sure the multiline element is a string here..\n context.fillText('' + label[i], 0, y);\n // apply same lineSpacing as calculated @ L#320\n y += (tickFont.size * 1.5);\n }\n } else {\n context.fillText(label, 0, 0);\n }\n context.restore();\n }\n });\n\n if (scaleLabel.display) {\n // Draw the scale label\n var scaleLabelX;\n var scaleLabelY;\n var rotation = 0;\n var halfLineHeight = parseLineHeight(scaleLabel) / 2;\n\n if (isHorizontal) {\n scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width\n scaleLabelY = options.position === 'bottom'\n ? me.bottom - halfLineHeight - scaleLabelPadding.bottom\n : me.top + halfLineHeight + scaleLabelPadding.top;\n } else {\n var isLeft = options.position === 'left';\n scaleLabelX = isLeft\n ? me.left + halfLineHeight + scaleLabelPadding.top\n : me.right - halfLineHeight - scaleLabelPadding.top;\n scaleLabelY = me.top + ((me.bottom - me.top) / 2);\n rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;\n }\n\n context.save();\n context.translate(scaleLabelX, scaleLabelY);\n context.rotate(rotation);\n context.textAlign = 'center';\n context.textBaseline = 'middle';\n context.fillStyle = scaleLabelFontColor; // render in correct colour\n context.font = scaleLabelFont.font;\n context.fillText(scaleLabel.labelString, 0, 0);\n context.restore();\n }\n\n if (gridLines.drawBorder) {\n // Draw the line at the edge of the axis\n context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0);\n context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0);\n var x1 = me.left;\n var x2 = me.right;\n var y1 = me.top;\n var y2 = me.bottom;\n\n var aliasPixel = helpers.aliasPixel(context.lineWidth);\n if (isHorizontal) {\n y1 = y2 = options.position === 'top' ? me.bottom : me.top;\n y1 += aliasPixel;\n y2 += aliasPixel;\n } else {\n x1 = x2 = options.position === 'left' ? me.right : me.left;\n x1 += aliasPixel;\n x2 += aliasPixel;\n }\n\n context.beginPath();\n context.moveTo(x1, y1);\n context.lineTo(x2, y2);\n context.stroke();\n }\n }\n });\n};\n\n},{\"25\":25,\"26\":26,\"34\":34,\"45\":45}],33:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar helpers = require(45);\n\nmodule.exports = function(Chart) {\n\n Chart.scaleService = {\n // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then\n // use the new chart options to grab the correct scale\n constructors: {},\n // Use a registration function so that we can move to an ES6 map when we no longer need to support\n // old browsers\n\n // Scale config defaults\n defaults: {},\n registerScaleType: function(type, scaleConstructor, scaleDefaults) {\n this.constructors[type] = scaleConstructor;\n this.defaults[type] = helpers.clone(scaleDefaults);\n },\n getScaleConstructor: function(type) {\n return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;\n },\n getScaleDefaults: function(type) {\n // Return the scale defaults merged with the global settings so that we always use the latest ones\n return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {};\n },\n updateScaleDefaults: function(type, additions) {\n var me = this;\n if (me.defaults.hasOwnProperty(type)) {\n me.defaults[type] = helpers.extend(me.defaults[type], additions);\n }\n },\n addScalesToLayout: function(chart) {\n // Adds each scale to the chart.boxes array to be sized accordingly\n helpers.each(chart.scales, function(scale) {\n // Set ILayoutItem parameters for backwards compatibility\n scale.fullWidth = scale.options.fullWidth;\n scale.position = scale.options.position;\n scale.weight = scale.options.weight;\n Chart.layoutService.addBox(chart, scale);\n });\n }\n };\n};\n\n},{\"25\":25,\"45\":45}],34:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\n\n/**\n * Namespace to hold static tick generation functions\n * @namespace Chart.Ticks\n */\nmodule.exports = {\n /**\n * Namespace to hold generators for different types of ticks\n * @namespace Chart.Ticks.generators\n */\n generators: {\n /**\n * Interface for the options provided to the numeric tick generator\n * @interface INumericTickGenerationOptions\n */\n /**\n * The maximum number of ticks to display\n * @name INumericTickGenerationOptions#maxTicks\n * @type Number\n */\n /**\n * The distance between each tick.\n * @name INumericTickGenerationOptions#stepSize\n * @type Number\n * @optional\n */\n /**\n * Forced minimum for the ticks. If not specified, the minimum of the data range is used to calculate the tick minimum\n * @name INumericTickGenerationOptions#min\n * @type Number\n * @optional\n */\n /**\n * The maximum value of the ticks. If not specified, the maximum of the data range is used to calculate the tick maximum\n * @name INumericTickGenerationOptions#max\n * @type Number\n * @optional\n */\n\n /**\n * Generate a set of linear ticks\n * @method Chart.Ticks.generators.linear\n * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n * @param dataRange {IRange} the range of the data\n * @returns {Array<Number>} array of tick values\n */\n linear: function(generationOptions, dataRange) {\n var ticks = [];\n // To get a \"nice\" value for the tick spacing, we will use the appropriately named\n // \"nice number\" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\n // for details.\n\n var spacing;\n if (generationOptions.stepSize && generationOptions.stepSize > 0) {\n spacing = generationOptions.stepSize;\n } else {\n var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false);\n spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true);\n }\n var niceMin = Math.floor(dataRange.min / spacing) * spacing;\n var niceMax = Math.ceil(dataRange.max / spacing) * spacing;\n\n // If min, max and stepSize is set and they make an evenly spaced scale use it.\n if (generationOptions.min && generationOptions.max && generationOptions.stepSize) {\n // If very close to our whole number, use it.\n if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) {\n niceMin = generationOptions.min;\n niceMax = generationOptions.max;\n }\n }\n\n var numSpaces = (niceMax - niceMin) / spacing;\n // If very close to our rounded value, use it.\n if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n numSpaces = Math.round(numSpaces);\n } else {\n numSpaces = Math.ceil(numSpaces);\n }\n\n // Put the values into the ticks array\n ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin);\n for (var j = 1; j < numSpaces; ++j) {\n ticks.push(niceMin + (j * spacing));\n }\n ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax);\n\n return ticks;\n },\n\n /**\n * Generate a set of logarithmic ticks\n * @method Chart.Ticks.generators.logarithmic\n * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n * @param dataRange {IRange} the range of the data\n * @returns {Array<Number>} array of tick values\n */\n logarithmic: function(generationOptions, dataRange) {\n var ticks = [];\n var valueOrDefault = helpers.valueOrDefault;\n\n // Figure out what the max number of ticks we can support it is based on the size of\n // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n // the graph\n var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min))));\n\n var endExp = Math.floor(helpers.log10(dataRange.max));\n var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n var exp, significand;\n\n if (tickVal === 0) {\n exp = Math.floor(helpers.log10(dataRange.minNotZero));\n significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));\n\n ticks.push(tickVal);\n tickVal = significand * Math.pow(10, exp);\n } else {\n exp = Math.floor(helpers.log10(tickVal));\n significand = Math.floor(tickVal / Math.pow(10, exp));\n }\n\n do {\n ticks.push(tickVal);\n\n ++significand;\n if (significand === 10) {\n significand = 1;\n ++exp;\n }\n\n tickVal = significand * Math.pow(10, exp);\n } while (exp < endExp || (exp === endExp && significand < endSignificand));\n\n var lastTick = valueOrDefault(generationOptions.max, tickVal);\n ticks.push(lastTick);\n\n return ticks;\n }\n },\n\n /**\n * Namespace to hold formatters for different types of ticks\n * @namespace Chart.Ticks.formatters\n */\n formatters: {\n /**\n * Formatter for value labels\n * @method Chart.Ticks.formatters.values\n * @param value the value to display\n * @return {String|Array} the label to display\n */\n values: function(value) {\n return helpers.isArray(value) ? value : '' + value;\n },\n\n /**\n * Formatter for linear numeric ticks\n * @method Chart.Ticks.formatters.linear\n * @param tickValue {Number} the value to be formatted\n * @param index {Number} the position of the tickValue parameter in the ticks array\n * @param ticks {Array<Number>} the list of ticks being converted\n * @return {String} string representation of the tickValue parameter\n */\n linear: function(tickValue, index, ticks) {\n // If we have lots of ticks, don't use the ones\n var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];\n\n // If we have a number like 2.5 as the delta, figure out how many decimal places we need\n if (Math.abs(delta) > 1) {\n if (tickValue !== Math.floor(tickValue)) {\n // not an integer\n delta = tickValue - Math.floor(tickValue);\n }\n }\n\n var logDelta = helpers.log10(Math.abs(delta));\n var tickString = '';\n\n if (tickValue !== 0) {\n var numDecimal = -1 * Math.floor(logDelta);\n numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places\n tickString = tickValue.toFixed(numDecimal);\n } else {\n tickString = '0'; // never show decimal places for 0\n }\n\n return tickString;\n },\n\n logarithmic: function(tickValue, index, ticks) {\n var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue))));\n\n if (tickValue === 0) {\n return '0';\n } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {\n return tickValue.toExponential();\n }\n return '';\n }\n }\n};\n\n},{\"45\":45}],35:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\ndefaults._set('global', {\n tooltips: {\n enabled: true,\n custom: null,\n mode: 'nearest',\n position: 'average',\n intersect: true,\n backgroundColor: 'rgba(0,0,0,0.8)',\n titleFontStyle: 'bold',\n titleSpacing: 2,\n titleMarginBottom: 6,\n titleFontColor: '#fff',\n titleAlign: 'left',\n bodySpacing: 2,\n bodyFontColor: '#fff',\n bodyAlign: 'left',\n footerFontStyle: 'bold',\n footerSpacing: 2,\n footerMarginTop: 6,\n footerFontColor: '#fff',\n footerAlign: 'left',\n yPadding: 6,\n xPadding: 6,\n caretPadding: 2,\n caretSize: 5,\n cornerRadius: 6,\n multiKeyBackground: '#fff',\n displayColors: true,\n borderColor: 'rgba(0,0,0,0)',\n borderWidth: 0,\n callbacks: {\n // Args are: (tooltipItems, data)\n beforeTitle: helpers.noop,\n title: function(tooltipItems, data) {\n // Pick first xLabel for now\n var title = '';\n var labels = data.labels;\n var labelCount = labels ? labels.length : 0;\n\n if (tooltipItems.length > 0) {\n var item = tooltipItems[0];\n\n if (item.xLabel) {\n title = item.xLabel;\n } else if (labelCount > 0 && item.index < labelCount) {\n title = labels[item.index];\n }\n }\n\n return title;\n },\n afterTitle: helpers.noop,\n\n // Args are: (tooltipItems, data)\n beforeBody: helpers.noop,\n\n // Args are: (tooltipItem, data)\n beforeLabel: helpers.noop,\n label: function(tooltipItem, data) {\n var label = data.datasets[tooltipItem.datasetIndex].label || '';\n\n if (label) {\n label += ': ';\n }\n label += tooltipItem.yLabel;\n return label;\n },\n labelColor: function(tooltipItem, chart) {\n var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);\n var activeElement = meta.data[tooltipItem.index];\n var view = activeElement._view;\n return {\n borderColor: view.borderColor,\n backgroundColor: view.backgroundColor\n };\n },\n labelTextColor: function() {\n return this._options.bodyFontColor;\n },\n afterLabel: helpers.noop,\n\n // Args are: (tooltipItems, data)\n afterBody: helpers.noop,\n\n // Args are: (tooltipItems, data)\n beforeFooter: helpers.noop,\n footer: helpers.noop,\n afterFooter: helpers.noop\n }\n }\n});\n\nmodule.exports = function(Chart) {\n\n /**\n * Helper method to merge the opacity into a color\n */\n function mergeOpacity(colorString, opacity) {\n var color = helpers.color(colorString);\n return color.alpha(opacity * color.alpha()).rgbaString();\n }\n\n // Helper to push or concat based on if the 2nd parameter is an array or not\n function pushOrConcat(base, toPush) {\n if (toPush) {\n if (helpers.isArray(toPush)) {\n // base = base.concat(toPush);\n Array.prototype.push.apply(base, toPush);\n } else {\n base.push(toPush);\n }\n }\n\n return base;\n }\n\n // Private helper to create a tooltip item model\n // @param element : the chart element (point, arc, bar) to create the tooltip item for\n // @return : new tooltip item\n function createTooltipItem(element) {\n var xScale = element._xScale;\n var yScale = element._yScale || element._scale; // handle radar || polarArea charts\n var index = element._index;\n var datasetIndex = element._datasetIndex;\n\n return {\n xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',\n yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',\n index: index,\n datasetIndex: datasetIndex,\n x: element._model.x,\n y: element._model.y\n };\n }\n\n /**\n * Helper to get the reset model for the tooltip\n * @param tooltipOpts {Object} the tooltip options\n */\n function getBaseModel(tooltipOpts) {\n var globalDefaults = defaults.global;\n var valueOrDefault = helpers.valueOrDefault;\n\n return {\n // Positioning\n xPadding: tooltipOpts.xPadding,\n yPadding: tooltipOpts.yPadding,\n xAlign: tooltipOpts.xAlign,\n yAlign: tooltipOpts.yAlign,\n\n // Body\n bodyFontColor: tooltipOpts.bodyFontColor,\n _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),\n _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),\n _bodyAlign: tooltipOpts.bodyAlign,\n bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),\n bodySpacing: tooltipOpts.bodySpacing,\n\n // Title\n titleFontColor: tooltipOpts.titleFontColor,\n _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),\n _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),\n titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),\n _titleAlign: tooltipOpts.titleAlign,\n titleSpacing: tooltipOpts.titleSpacing,\n titleMarginBottom: tooltipOpts.titleMarginBottom,\n\n // Footer\n footerFontColor: tooltipOpts.footerFontColor,\n _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),\n _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),\n footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),\n _footerAlign: tooltipOpts.footerAlign,\n footerSpacing: tooltipOpts.footerSpacing,\n footerMarginTop: tooltipOpts.footerMarginTop,\n\n // Appearance\n caretSize: tooltipOpts.caretSize,\n cornerRadius: tooltipOpts.cornerRadius,\n backgroundColor: tooltipOpts.backgroundColor,\n opacity: 0,\n legendColorBackground: tooltipOpts.multiKeyBackground,\n displayColors: tooltipOpts.displayColors,\n borderColor: tooltipOpts.borderColor,\n borderWidth: tooltipOpts.borderWidth\n };\n }\n\n /**\n * Get the size of the tooltip\n */\n function getTooltipSize(tooltip, model) {\n var ctx = tooltip._chart.ctx;\n\n var height = model.yPadding * 2; // Tooltip Padding\n var width = 0;\n\n // Count of all lines in the body\n var body = model.body;\n var combinedBodyLength = body.reduce(function(count, bodyItem) {\n return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n }, 0);\n combinedBodyLength += model.beforeBody.length + model.afterBody.length;\n\n var titleLineCount = model.title.length;\n var footerLineCount = model.footer.length;\n var titleFontSize = model.titleFontSize;\n var bodyFontSize = model.bodyFontSize;\n var footerFontSize = model.footerFontSize;\n\n height += titleLineCount * titleFontSize; // Title Lines\n height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing\n height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin\n height += combinedBodyLength * bodyFontSize; // Body Lines\n height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing\n height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin\n height += footerLineCount * (footerFontSize); // Footer Lines\n height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing\n\n // Title width\n var widthPadding = 0;\n var maxLineWidth = function(line) {\n width = Math.max(width, ctx.measureText(line).width + widthPadding);\n };\n\n ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);\n helpers.each(model.title, maxLineWidth);\n\n // Body width\n ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);\n helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth);\n\n // Body lines may include some extra width due to the color box\n widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;\n helpers.each(body, function(bodyItem) {\n helpers.each(bodyItem.before, maxLineWidth);\n helpers.each(bodyItem.lines, maxLineWidth);\n helpers.each(bodyItem.after, maxLineWidth);\n });\n\n // Reset back to 0\n widthPadding = 0;\n\n // Footer width\n ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);\n helpers.each(model.footer, maxLineWidth);\n\n // Add padding\n width += 2 * model.xPadding;\n\n return {\n width: width,\n height: height\n };\n }\n\n /**\n * Helper to get the alignment of a tooltip given the size\n */\n function determineAlignment(tooltip, size) {\n var model = tooltip._model;\n var chart = tooltip._chart;\n var chartArea = tooltip._chart.chartArea;\n var xAlign = 'center';\n var yAlign = 'center';\n\n if (model.y < size.height) {\n yAlign = 'top';\n } else if (model.y > (chart.height - size.height)) {\n yAlign = 'bottom';\n }\n\n var lf, rf; // functions to determine left, right alignment\n var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart\n var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges\n var midX = (chartArea.left + chartArea.right) / 2;\n var midY = (chartArea.top + chartArea.bottom) / 2;\n\n if (yAlign === 'center') {\n lf = function(x) {\n return x <= midX;\n };\n rf = function(x) {\n return x > midX;\n };\n } else {\n lf = function(x) {\n return x <= (size.width / 2);\n };\n rf = function(x) {\n return x >= (chart.width - (size.width / 2));\n };\n }\n\n olf = function(x) {\n return x + size.width > chart.width;\n };\n orf = function(x) {\n return x - size.width < 0;\n };\n yf = function(y) {\n return y <= midY ? 'top' : 'bottom';\n };\n\n if (lf(model.x)) {\n xAlign = 'left';\n\n // Is tooltip too wide and goes over the right side of the chart.?\n if (olf(model.x)) {\n xAlign = 'center';\n yAlign = yf(model.y);\n }\n } else if (rf(model.x)) {\n xAlign = 'right';\n\n // Is tooltip too wide and goes outside left edge of canvas?\n if (orf(model.x)) {\n xAlign = 'center';\n yAlign = yf(model.y);\n }\n }\n\n var opts = tooltip._options;\n return {\n xAlign: opts.xAlign ? opts.xAlign : xAlign,\n yAlign: opts.yAlign ? opts.yAlign : yAlign\n };\n }\n\n /**\n * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment\n */\n function getBackgroundPoint(vm, size, alignment) {\n // Background Position\n var x = vm.x;\n var y = vm.y;\n\n var caretSize = vm.caretSize;\n var caretPadding = vm.caretPadding;\n var cornerRadius = vm.cornerRadius;\n var xAlign = alignment.xAlign;\n var yAlign = alignment.yAlign;\n var paddingAndSize = caretSize + caretPadding;\n var radiusAndPadding = cornerRadius + caretPadding;\n\n if (xAlign === 'right') {\n x -= size.width;\n } else if (xAlign === 'center') {\n x -= (size.width / 2);\n }\n\n if (yAlign === 'top') {\n y += paddingAndSize;\n } else if (yAlign === 'bottom') {\n y -= size.height + paddingAndSize;\n } else {\n y -= (size.height / 2);\n }\n\n if (yAlign === 'center') {\n if (xAlign === 'left') {\n x += paddingAndSize;\n } else if (xAlign === 'right') {\n x -= paddingAndSize;\n }\n } else if (xAlign === 'left') {\n x -= radiusAndPadding;\n } else if (xAlign === 'right') {\n x += radiusAndPadding;\n }\n\n return {\n x: x,\n y: y\n };\n }\n\n Chart.Tooltip = Element.extend({\n initialize: function() {\n this._model = getBaseModel(this._options);\n this._lastActive = [];\n },\n\n // Get the title\n // Args are: (tooltipItem, data)\n getTitle: function() {\n var me = this;\n var opts = me._options;\n var callbacks = opts.callbacks;\n\n var beforeTitle = callbacks.beforeTitle.apply(me, arguments);\n var title = callbacks.title.apply(me, arguments);\n var afterTitle = callbacks.afterTitle.apply(me, arguments);\n\n var lines = [];\n lines = pushOrConcat(lines, beforeTitle);\n lines = pushOrConcat(lines, title);\n lines = pushOrConcat(lines, afterTitle);\n\n return lines;\n },\n\n // Args are: (tooltipItem, data)\n getBeforeBody: function() {\n var lines = this._options.callbacks.beforeBody.apply(this, arguments);\n return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n },\n\n // Args are: (tooltipItem, data)\n getBody: function(tooltipItems, data) {\n var me = this;\n var callbacks = me._options.callbacks;\n var bodyItems = [];\n\n helpers.each(tooltipItems, function(tooltipItem) {\n var bodyItem = {\n before: [],\n lines: [],\n after: []\n };\n pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data));\n pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));\n pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data));\n\n bodyItems.push(bodyItem);\n });\n\n return bodyItems;\n },\n\n // Args are: (tooltipItem, data)\n getAfterBody: function() {\n var lines = this._options.callbacks.afterBody.apply(this, arguments);\n return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n },\n\n // Get the footer and beforeFooter and afterFooter lines\n // Args are: (tooltipItem, data)\n getFooter: function() {\n var me = this;\n var callbacks = me._options.callbacks;\n\n var beforeFooter = callbacks.beforeFooter.apply(me, arguments);\n var footer = callbacks.footer.apply(me, arguments);\n var afterFooter = callbacks.afterFooter.apply(me, arguments);\n\n var lines = [];\n lines = pushOrConcat(lines, beforeFooter);\n lines = pushOrConcat(lines, footer);\n lines = pushOrConcat(lines, afterFooter);\n\n return lines;\n },\n\n update: function(changed) {\n var me = this;\n var opts = me._options;\n\n // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition\n // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time\n // which breaks any animations.\n var existingModel = me._model;\n var model = me._model = getBaseModel(opts);\n var active = me._active;\n\n var data = me._data;\n\n // In the case where active.length === 0 we need to keep these at existing values for good animations\n var alignment = {\n xAlign: existingModel.xAlign,\n yAlign: existingModel.yAlign\n };\n var backgroundPoint = {\n x: existingModel.x,\n y: existingModel.y\n };\n var tooltipSize = {\n width: existingModel.width,\n height: existingModel.height\n };\n var tooltipPosition = {\n x: existingModel.caretX,\n y: existingModel.caretY\n };\n\n var i, len;\n\n if (active.length) {\n model.opacity = 1;\n\n var labelColors = [];\n var labelTextColors = [];\n tooltipPosition = Chart.Tooltip.positioners[opts.position].call(me, active, me._eventPosition);\n\n var tooltipItems = [];\n for (i = 0, len = active.length; i < len; ++i) {\n tooltipItems.push(createTooltipItem(active[i]));\n }\n\n // If the user provided a filter function, use it to modify the tooltip items\n if (opts.filter) {\n tooltipItems = tooltipItems.filter(function(a) {\n return opts.filter(a, data);\n });\n }\n\n // If the user provided a sorting function, use it to modify the tooltip items\n if (opts.itemSort) {\n tooltipItems = tooltipItems.sort(function(a, b) {\n return opts.itemSort(a, b, data);\n });\n }\n\n // Determine colors for boxes\n helpers.each(tooltipItems, function(tooltipItem) {\n labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));\n labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));\n });\n\n\n // Build the Text Lines\n model.title = me.getTitle(tooltipItems, data);\n model.beforeBody = me.getBeforeBody(tooltipItems, data);\n model.body = me.getBody(tooltipItems, data);\n model.afterBody = me.getAfterBody(tooltipItems, data);\n model.footer = me.getFooter(tooltipItems, data);\n\n // Initial positioning and colors\n model.x = Math.round(tooltipPosition.x);\n model.y = Math.round(tooltipPosition.y);\n model.caretPadding = opts.caretPadding;\n model.labelColors = labelColors;\n model.labelTextColors = labelTextColors;\n\n // data points\n model.dataPoints = tooltipItems;\n\n // We need to determine alignment of the tooltip\n tooltipSize = getTooltipSize(this, model);\n alignment = determineAlignment(this, tooltipSize);\n // Final Size and Position\n backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment);\n } else {\n model.opacity = 0;\n }\n\n model.xAlign = alignment.xAlign;\n model.yAlign = alignment.yAlign;\n model.x = backgroundPoint.x;\n model.y = backgroundPoint.y;\n model.width = tooltipSize.width;\n model.height = tooltipSize.height;\n\n // Point where the caret on the tooltip points to\n model.caretX = tooltipPosition.x;\n model.caretY = tooltipPosition.y;\n\n me._model = model;\n\n if (changed && opts.custom) {\n opts.custom.call(me, model);\n }\n\n return me;\n },\n drawCaret: function(tooltipPoint, size) {\n var ctx = this._chart.ctx;\n var vm = this._view;\n var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);\n\n ctx.lineTo(caretPosition.x1, caretPosition.y1);\n ctx.lineTo(caretPosition.x2, caretPosition.y2);\n ctx.lineTo(caretPosition.x3, caretPosition.y3);\n },\n getCaretPosition: function(tooltipPoint, size, vm) {\n var x1, x2, x3, y1, y2, y3;\n var caretSize = vm.caretSize;\n var cornerRadius = vm.cornerRadius;\n var xAlign = vm.xAlign;\n var yAlign = vm.yAlign;\n var ptX = tooltipPoint.x;\n var ptY = tooltipPoint.y;\n var width = size.width;\n var height = size.height;\n\n if (yAlign === 'center') {\n y2 = ptY + (height / 2);\n\n if (xAlign === 'left') {\n x1 = ptX;\n x2 = x1 - caretSize;\n x3 = x1;\n\n y1 = y2 + caretSize;\n y3 = y2 - caretSize;\n } else {\n x1 = ptX + width;\n x2 = x1 + caretSize;\n x3 = x1;\n\n y1 = y2 - caretSize;\n y3 = y2 + caretSize;\n }\n } else {\n if (xAlign === 'left') {\n x2 = ptX + cornerRadius + (caretSize);\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n } else if (xAlign === 'right') {\n x2 = ptX + width - cornerRadius - caretSize;\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n } else {\n x2 = ptX + (width / 2);\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n }\n if (yAlign === 'top') {\n y1 = ptY;\n y2 = y1 - caretSize;\n y3 = y1;\n } else {\n y1 = ptY + height;\n y2 = y1 + caretSize;\n y3 = y1;\n // invert drawing order\n var tmp = x3;\n x3 = x1;\n x1 = tmp;\n }\n }\n return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};\n },\n drawTitle: function(pt, vm, ctx, opacity) {\n var title = vm.title;\n\n if (title.length) {\n ctx.textAlign = vm._titleAlign;\n ctx.textBaseline = 'top';\n\n var titleFontSize = vm.titleFontSize;\n var titleSpacing = vm.titleSpacing;\n\n ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity);\n ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);\n\n var i, len;\n for (i = 0, len = title.length; i < len; ++i) {\n ctx.fillText(title[i], pt.x, pt.y);\n pt.y += titleFontSize + titleSpacing; // Line Height and spacing\n\n if (i + 1 === title.length) {\n pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing\n }\n }\n }\n },\n drawBody: function(pt, vm, ctx, opacity) {\n var bodyFontSize = vm.bodyFontSize;\n var bodySpacing = vm.bodySpacing;\n var body = vm.body;\n\n ctx.textAlign = vm._bodyAlign;\n ctx.textBaseline = 'top';\n ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);\n\n // Before Body\n var xLinePadding = 0;\n var fillLineOfText = function(line) {\n ctx.fillText(line, pt.x + xLinePadding, pt.y);\n pt.y += bodyFontSize + bodySpacing;\n };\n\n // Before body lines\n ctx.fillStyle = mergeOpacity(vm.bodyFontColor, opacity);\n helpers.each(vm.beforeBody, fillLineOfText);\n\n var drawColorBoxes = vm.displayColors;\n xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0;\n\n // Draw body lines now\n helpers.each(body, function(bodyItem, i) {\n var textColor = mergeOpacity(vm.labelTextColors[i], opacity);\n ctx.fillStyle = textColor;\n helpers.each(bodyItem.before, fillLineOfText);\n\n helpers.each(bodyItem.lines, function(line) {\n // Draw Legend-like boxes if needed\n if (drawColorBoxes) {\n // Fill a white rect so that colours merge nicely if the opacity is < 1\n ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity);\n ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n // Border\n ctx.lineWidth = 1;\n ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity);\n ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n // Inner square\n ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity);\n ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);\n ctx.fillStyle = textColor;\n }\n\n fillLineOfText(line);\n });\n\n helpers.each(bodyItem.after, fillLineOfText);\n });\n\n // Reset back to 0 for after body\n xLinePadding = 0;\n\n // After body lines\n helpers.each(vm.afterBody, fillLineOfText);\n pt.y -= bodySpacing; // Remove last body spacing\n },\n drawFooter: function(pt, vm, ctx, opacity) {\n var footer = vm.footer;\n\n if (footer.length) {\n pt.y += vm.footerMarginTop;\n\n ctx.textAlign = vm._footerAlign;\n ctx.textBaseline = 'top';\n\n ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity);\n ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);\n\n helpers.each(footer, function(line) {\n ctx.fillText(line, pt.x, pt.y);\n pt.y += vm.footerFontSize + vm.footerSpacing;\n });\n }\n },\n drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {\n ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);\n ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);\n ctx.lineWidth = vm.borderWidth;\n var xAlign = vm.xAlign;\n var yAlign = vm.yAlign;\n var x = pt.x;\n var y = pt.y;\n var width = tooltipSize.width;\n var height = tooltipSize.height;\n var radius = vm.cornerRadius;\n\n ctx.beginPath();\n ctx.moveTo(x + radius, y);\n if (yAlign === 'top') {\n this.drawCaret(pt, tooltipSize);\n }\n ctx.lineTo(x + width - radius, y);\n ctx.quadraticCurveTo(x + width, y, x + width, y + radius);\n if (yAlign === 'center' && xAlign === 'right') {\n this.drawCaret(pt, tooltipSize);\n }\n ctx.lineTo(x + width, y + height - radius);\n ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);\n if (yAlign === 'bottom') {\n this.drawCaret(pt, tooltipSize);\n }\n ctx.lineTo(x + radius, y + height);\n ctx.quadraticCurveTo(x, y + height, x, y + height - radius);\n if (yAlign === 'center' && xAlign === 'left') {\n this.drawCaret(pt, tooltipSize);\n }\n ctx.lineTo(x, y + radius);\n ctx.quadraticCurveTo(x, y, x + radius, y);\n ctx.closePath();\n\n ctx.fill();\n\n if (vm.borderWidth > 0) {\n ctx.stroke();\n }\n },\n draw: function() {\n var ctx = this._chart.ctx;\n var vm = this._view;\n\n if (vm.opacity === 0) {\n return;\n }\n\n var tooltipSize = {\n width: vm.width,\n height: vm.height\n };\n var pt = {\n x: vm.x,\n y: vm.y\n };\n\n // IE11/Edge does not like very small opacities, so snap to 0\n var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;\n\n // Truthy/falsey value for empty tooltip\n var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;\n\n if (this._options.enabled && hasTooltipContent) {\n // Draw Background\n this.drawBackground(pt, vm, ctx, tooltipSize, opacity);\n\n // Draw Title, Body, and Footer\n pt.x += vm.xPadding;\n pt.y += vm.yPadding;\n\n // Titles\n this.drawTitle(pt, vm, ctx, opacity);\n\n // Body\n this.drawBody(pt, vm, ctx, opacity);\n\n // Footer\n this.drawFooter(pt, vm, ctx, opacity);\n }\n },\n\n /**\n * Handle an event\n * @private\n * @param {IEvent} event - The event to handle\n * @returns {Boolean} true if the tooltip changed\n */\n handleEvent: function(e) {\n var me = this;\n var options = me._options;\n var changed = false;\n\n me._lastActive = me._lastActive || [];\n\n // Find Active Elements for tooltips\n if (e.type === 'mouseout') {\n me._active = [];\n } else {\n me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);\n }\n\n // Remember Last Actives\n changed = !helpers.arrayEquals(me._active, me._lastActive);\n\n // If tooltip didn't change, do not handle the target event\n if (!changed) {\n return false;\n }\n\n me._lastActive = me._active;\n\n if (options.enabled || options.custom) {\n me._eventPosition = {\n x: e.x,\n y: e.y\n };\n\n var model = me._model;\n me.update(true);\n me.pivot();\n\n // See if our tooltip position changed\n changed |= (model.x !== me._model.x) || (model.y !== me._model.y);\n }\n\n return changed;\n }\n });\n\n /**\n * @namespace Chart.Tooltip.positioners\n */\n Chart.Tooltip.positioners = {\n /**\n * Average mode places the tooltip at the average position of the elements shown\n * @function Chart.Tooltip.positioners.average\n * @param elements {ChartElement[]} the elements being displayed in the tooltip\n * @returns {Point} tooltip position\n */\n average: function(elements) {\n if (!elements.length) {\n return false;\n }\n\n var i, len;\n var x = 0;\n var y = 0;\n var count = 0;\n\n for (i = 0, len = elements.length; i < len; ++i) {\n var el = elements[i];\n if (el && el.hasValue()) {\n var pos = el.tooltipPosition();\n x += pos.x;\n y += pos.y;\n ++count;\n }\n }\n\n return {\n x: Math.round(x / count),\n y: Math.round(y / count)\n };\n },\n\n /**\n * Gets the tooltip position nearest of the item nearest to the event position\n * @function Chart.Tooltip.positioners.nearest\n * @param elements {Chart.Element[]} the tooltip elements\n * @param eventPosition {Point} the position of the event in canvas coordinates\n * @returns {Point} the tooltip position\n */\n nearest: function(elements, eventPosition) {\n var x = eventPosition.x;\n var y = eventPosition.y;\n var minDistance = Number.POSITIVE_INFINITY;\n var i, len, nearestElement;\n\n for (i = 0, len = elements.length; i < len; ++i) {\n var el = elements[i];\n if (el && el.hasValue()) {\n var center = el.getCenterPoint();\n var d = helpers.distanceBetweenPoints(eventPosition, center);\n\n if (d < minDistance) {\n minDistance = d;\n nearestElement = el;\n }\n }\n }\n\n if (nearestElement) {\n var tp = nearestElement.tooltipPosition();\n x = tp.x;\n y = tp.y;\n }\n\n return {\n x: x,\n y: y\n };\n }\n };\n};\n\n},{\"25\":25,\"26\":26,\"45\":45}],36:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\ndefaults._set('global', {\n elements: {\n arc: {\n backgroundColor: defaults.global.defaultColor,\n borderColor: '#fff',\n borderWidth: 2\n }\n }\n});\n\nmodule.exports = Element.extend({\n inLabelRange: function(mouseX) {\n var vm = this._view;\n\n if (vm) {\n return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));\n }\n return false;\n },\n\n inRange: function(chartX, chartY) {\n var vm = this._view;\n\n if (vm) {\n var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY});\n var angle = pointRelativePosition.angle;\n var distance = pointRelativePosition.distance;\n\n // Sanitise angle range\n var startAngle = vm.startAngle;\n var endAngle = vm.endAngle;\n while (endAngle < startAngle) {\n endAngle += 2.0 * Math.PI;\n }\n while (angle > endAngle) {\n angle -= 2.0 * Math.PI;\n }\n while (angle < startAngle) {\n angle += 2.0 * Math.PI;\n }\n\n // Check if within the range of the open/close angle\n var betweenAngles = (angle >= startAngle && angle <= endAngle);\n var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);\n\n return (betweenAngles && withinRadius);\n }\n return false;\n },\n\n getCenterPoint: function() {\n var vm = this._view;\n var halfAngle = (vm.startAngle + vm.endAngle) / 2;\n var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;\n return {\n x: vm.x + Math.cos(halfAngle) * halfRadius,\n y: vm.y + Math.sin(halfAngle) * halfRadius\n };\n },\n\n getArea: function() {\n var vm = this._view;\n return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));\n },\n\n tooltipPosition: function() {\n var vm = this._view;\n var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);\n var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;\n\n return {\n x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),\n y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)\n };\n },\n\n draw: function() {\n var ctx = this._chart.ctx;\n var vm = this._view;\n var sA = vm.startAngle;\n var eA = vm.endAngle;\n\n ctx.beginPath();\n\n ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA);\n ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true);\n\n ctx.closePath();\n ctx.strokeStyle = vm.borderColor;\n ctx.lineWidth = vm.borderWidth;\n\n ctx.fillStyle = vm.backgroundColor;\n\n ctx.fill();\n ctx.lineJoin = 'bevel';\n\n if (vm.borderWidth) {\n ctx.stroke();\n }\n }\n});\n\n},{\"25\":25,\"26\":26,\"45\":45}],37:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\nvar globalDefaults = defaults.global;\n\ndefaults._set('global', {\n elements: {\n line: {\n tension: 0.4,\n backgroundColor: globalDefaults.defaultColor,\n borderWidth: 3,\n borderColor: globalDefaults.defaultColor,\n borderCapStyle: 'butt',\n borderDash: [],\n borderDashOffset: 0.0,\n borderJoinStyle: 'miter',\n capBezierPoints: true,\n fill: true, // do we fill in the area between the line and its base axis\n }\n }\n});\n\nmodule.exports = Element.extend({\n draw: function() {\n var me = this;\n var vm = me._view;\n var ctx = me._chart.ctx;\n var spanGaps = vm.spanGaps;\n var points = me._children.slice(); // clone array\n var globalOptionLineElements = globalDefaults.elements.line;\n var lastDrawnIndex = -1;\n var index, current, previous, currentVM;\n\n // If we are looping, adding the first point again\n if (me._loop && points.length) {\n points.push(points[0]);\n }\n\n ctx.save();\n\n // Stroke Line Options\n ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;\n\n // IE 9 and 10 do not support line dash\n if (ctx.setLineDash) {\n ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);\n }\n\n ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset;\n ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;\n ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth;\n ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;\n\n // Stroke Line\n ctx.beginPath();\n lastDrawnIndex = -1;\n\n for (index = 0; index < points.length; ++index) {\n current = points[index];\n previous = helpers.previousItem(points, index);\n currentVM = current._view;\n\n // First point moves to it's starting position no matter what\n if (index === 0) {\n if (!currentVM.skip) {\n ctx.moveTo(currentVM.x, currentVM.y);\n lastDrawnIndex = index;\n }\n } else {\n previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex];\n\n if (!currentVM.skip) {\n if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {\n // There was a gap and this is the first point after the gap\n ctx.moveTo(currentVM.x, currentVM.y);\n } else {\n // Line to next point\n helpers.canvas.lineTo(ctx, previous._view, current._view);\n }\n lastDrawnIndex = index;\n }\n }\n }\n\n ctx.stroke();\n ctx.restore();\n }\n});\n\n},{\"25\":25,\"26\":26,\"45\":45}],38:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\nvar defaultColor = defaults.global.defaultColor;\n\ndefaults._set('global', {\n elements: {\n point: {\n radius: 3,\n pointStyle: 'circle',\n backgroundColor: defaultColor,\n borderColor: defaultColor,\n borderWidth: 1,\n // Hover\n hitRadius: 1,\n hoverRadius: 4,\n hoverBorderWidth: 1\n }\n }\n});\n\nfunction xRange(mouseX) {\n var vm = this._view;\n return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n}\n\nfunction yRange(mouseY) {\n var vm = this._view;\n return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n}\n\nmodule.exports = Element.extend({\n inRange: function(mouseX, mouseY) {\n var vm = this._view;\n return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;\n },\n\n inLabelRange: xRange,\n inXRange: xRange,\n inYRange: yRange,\n\n getCenterPoint: function() {\n var vm = this._view;\n return {\n x: vm.x,\n y: vm.y\n };\n },\n\n getArea: function() {\n return Math.PI * Math.pow(this._view.radius, 2);\n },\n\n tooltipPosition: function() {\n var vm = this._view;\n return {\n x: vm.x,\n y: vm.y,\n padding: vm.radius + vm.borderWidth\n };\n },\n\n draw: function(chartArea) {\n var vm = this._view;\n var model = this._model;\n var ctx = this._chart.ctx;\n var pointStyle = vm.pointStyle;\n var radius = vm.radius;\n var x = vm.x;\n var y = vm.y;\n var color = helpers.color;\n var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.)\n var ratio = 0;\n\n if (vm.skip) {\n return;\n }\n\n ctx.strokeStyle = vm.borderColor || defaultColor;\n ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth);\n ctx.fillStyle = vm.backgroundColor || defaultColor;\n\n // Cliping for Points.\n // going out from inner charArea?\n if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right * errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom * errMargin < model.y))) {\n // Point fade out\n if (model.x < chartArea.left) {\n ratio = (x - model.x) / (chartArea.left - model.x);\n } else if (chartArea.right * errMargin < model.x) {\n ratio = (model.x - x) / (model.x - chartArea.right);\n } else if (model.y < chartArea.top) {\n ratio = (y - model.y) / (chartArea.top - model.y);\n } else if (chartArea.bottom * errMargin < model.y) {\n ratio = (model.y - y) / (model.y - chartArea.bottom);\n }\n ratio = Math.round(ratio * 100) / 100;\n ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString();\n ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString();\n }\n\n helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y);\n }\n});\n\n},{\"25\":25,\"26\":26,\"45\":45}],39:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\n\ndefaults._set('global', {\n elements: {\n rectangle: {\n backgroundColor: defaults.global.defaultColor,\n borderColor: defaults.global.defaultColor,\n borderSkipped: 'bottom',\n borderWidth: 0\n }\n }\n});\n\nfunction isVertical(bar) {\n return bar._view.width !== undefined;\n}\n\n/**\n * Helper function to get the bounds of the bar regardless of the orientation\n * @param bar {Chart.Element.Rectangle} the bar\n * @return {Bounds} bounds of the bar\n * @private\n */\nfunction getBarBounds(bar) {\n var vm = bar._view;\n var x1, x2, y1, y2;\n\n if (isVertical(bar)) {\n // vertical\n var halfWidth = vm.width / 2;\n x1 = vm.x - halfWidth;\n x2 = vm.x + halfWidth;\n y1 = Math.min(vm.y, vm.base);\n y2 = Math.max(vm.y, vm.base);\n } else {\n // horizontal bar\n var halfHeight = vm.height / 2;\n x1 = Math.min(vm.x, vm.base);\n x2 = Math.max(vm.x, vm.base);\n y1 = vm.y - halfHeight;\n y2 = vm.y + halfHeight;\n }\n\n return {\n left: x1,\n top: y1,\n right: x2,\n bottom: y2\n };\n}\n\nmodule.exports = Element.extend({\n draw: function() {\n var ctx = this._chart.ctx;\n var vm = this._view;\n var left, right, top, bottom, signX, signY, borderSkipped;\n var borderWidth = vm.borderWidth;\n\n if (!vm.horizontal) {\n // bar\n left = vm.x - vm.width / 2;\n right = vm.x + vm.width / 2;\n top = vm.y;\n bottom = vm.base;\n signX = 1;\n signY = bottom > top ? 1 : -1;\n borderSkipped = vm.borderSkipped || 'bottom';\n } else {\n // horizontal bar\n left = vm.base;\n right = vm.x;\n top = vm.y - vm.height / 2;\n bottom = vm.y + vm.height / 2;\n signX = right > left ? 1 : -1;\n signY = 1;\n borderSkipped = vm.borderSkipped || 'left';\n }\n\n // Canvas doesn't allow us to stroke inside the width so we can\n // adjust the sizes to fit if we're setting a stroke on the line\n if (borderWidth) {\n // borderWidth shold be less than bar width and bar height.\n var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom));\n borderWidth = borderWidth > barSize ? barSize : borderWidth;\n var halfStroke = borderWidth / 2;\n // Adjust borderWidth when bar top position is near vm.base(zero).\n var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0);\n var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0);\n var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0);\n var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0);\n // not become a vertical line?\n if (borderLeft !== borderRight) {\n top = borderTop;\n bottom = borderBottom;\n }\n // not become a horizontal line?\n if (borderTop !== borderBottom) {\n left = borderLeft;\n right = borderRight;\n }\n }\n\n ctx.beginPath();\n ctx.fillStyle = vm.backgroundColor;\n ctx.strokeStyle = vm.borderColor;\n ctx.lineWidth = borderWidth;\n\n // Corner points, from bottom-left to bottom-right clockwise\n // | 1 2 |\n // | 0 3 |\n var corners = [\n [left, bottom],\n [left, top],\n [right, top],\n [right, bottom]\n ];\n\n // Find first (starting) corner with fallback to 'bottom'\n var borders = ['bottom', 'left', 'top', 'right'];\n var startCorner = borders.indexOf(borderSkipped, 0);\n if (startCorner === -1) {\n startCorner = 0;\n }\n\n function cornerAt(index) {\n return corners[(startCorner + index) % 4];\n }\n\n // Draw rectangle from 'startCorner'\n var corner = cornerAt(0);\n ctx.moveTo(corner[0], corner[1]);\n\n for (var i = 1; i < 4; i++) {\n corner = cornerAt(i);\n ctx.lineTo(corner[0], corner[1]);\n }\n\n ctx.fill();\n if (borderWidth) {\n ctx.stroke();\n }\n },\n\n height: function() {\n var vm = this._view;\n return vm.base - vm.y;\n },\n\n inRange: function(mouseX, mouseY) {\n var inRange = false;\n\n if (this._view) {\n var bounds = getBarBounds(this);\n inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;\n }\n\n return inRange;\n },\n\n inLabelRange: function(mouseX, mouseY) {\n var me = this;\n if (!me._view) {\n return false;\n }\n\n var inRange = false;\n var bounds = getBarBounds(me);\n\n if (isVertical(me)) {\n inRange = mouseX >= bounds.left && mouseX <= bounds.right;\n } else {\n inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;\n }\n\n return inRange;\n },\n\n inXRange: function(mouseX) {\n var bounds = getBarBounds(this);\n return mouseX >= bounds.left && mouseX <= bounds.right;\n },\n\n inYRange: function(mouseY) {\n var bounds = getBarBounds(this);\n return mouseY >= bounds.top && mouseY <= bounds.bottom;\n },\n\n getCenterPoint: function() {\n var vm = this._view;\n var x, y;\n if (isVertical(this)) {\n x = vm.x;\n y = (vm.y + vm.base) / 2;\n } else {\n x = (vm.x + vm.base) / 2;\n y = vm.y;\n }\n\n return {x: x, y: y};\n },\n\n getArea: function() {\n var vm = this._view;\n return vm.width * Math.abs(vm.y - vm.base);\n },\n\n tooltipPosition: function() {\n var vm = this._view;\n return {\n x: vm.x,\n y: vm.y\n };\n }\n});\n\n},{\"25\":25,\"26\":26}],40:[function(require,module,exports){\n'use strict';\n\nmodule.exports = {};\nmodule.exports.Arc = require(36);\nmodule.exports.Line = require(37);\nmodule.exports.Point = require(38);\nmodule.exports.Rectangle = require(39);\n\n},{\"36\":36,\"37\":37,\"38\":38,\"39\":39}],41:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(42);\n\n/**\n * @namespace Chart.helpers.canvas\n */\nvar exports = module.exports = {\n /**\n * Clears the entire canvas associated to the given `chart`.\n * @param {Chart} chart - The chart for which to clear the canvas.\n */\n clear: function(chart) {\n chart.ctx.clearRect(0, 0, chart.width, chart.height);\n },\n\n /**\n * Creates a \"path\" for a rectangle with rounded corners at position (x, y) with a\n * given size (width, height) and the same `radius` for all corners.\n * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.\n * @param {Number} x - The x axis of the coordinate for the rectangle starting point.\n * @param {Number} y - The y axis of the coordinate for the rectangle starting point.\n * @param {Number} width - The rectangle's width.\n * @param {Number} height - The rectangle's height.\n * @param {Number} radius - The rounded amount (in pixels) for the four corners.\n * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?\n */\n roundedRect: function(ctx, x, y, width, height, radius) {\n if (radius) {\n var rx = Math.min(radius, width / 2);\n var ry = Math.min(radius, height / 2);\n\n ctx.moveTo(x + rx, y);\n ctx.lineTo(x + width - rx, y);\n ctx.quadraticCurveTo(x + width, y, x + width, y + ry);\n ctx.lineTo(x + width, y + height - ry);\n ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height);\n ctx.lineTo(x + rx, y + height);\n ctx.quadraticCurveTo(x, y + height, x, y + height - ry);\n ctx.lineTo(x, y + ry);\n ctx.quadraticCurveTo(x, y, x + rx, y);\n } else {\n ctx.rect(x, y, width, height);\n }\n },\n\n drawPoint: function(ctx, style, radius, x, y) {\n var type, edgeLength, xOffset, yOffset, height, size;\n\n if (style && typeof style === 'object') {\n type = style.toString();\n if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height);\n return;\n }\n }\n\n if (isNaN(radius) || radius <= 0) {\n return;\n }\n\n switch (style) {\n // Default includes circle\n default:\n ctx.beginPath();\n ctx.arc(x, y, radius, 0, Math.PI * 2);\n ctx.closePath();\n ctx.fill();\n break;\n case 'triangle':\n ctx.beginPath();\n edgeLength = 3 * radius / Math.sqrt(3);\n height = edgeLength * Math.sqrt(3) / 2;\n ctx.moveTo(x - edgeLength / 2, y + height / 3);\n ctx.lineTo(x + edgeLength / 2, y + height / 3);\n ctx.lineTo(x, y - 2 * height / 3);\n ctx.closePath();\n ctx.fill();\n break;\n case 'rect':\n size = 1 / Math.SQRT2 * radius;\n ctx.beginPath();\n ctx.fillRect(x - size, y - size, 2 * size, 2 * size);\n ctx.strokeRect(x - size, y - size, 2 * size, 2 * size);\n break;\n case 'rectRounded':\n var offset = radius / Math.SQRT2;\n var leftX = x - offset;\n var topY = y - offset;\n var sideSize = Math.SQRT2 * radius;\n ctx.beginPath();\n this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius / 2);\n ctx.closePath();\n ctx.fill();\n break;\n case 'rectRot':\n size = 1 / Math.SQRT2 * radius;\n ctx.beginPath();\n ctx.moveTo(x - size, y);\n ctx.lineTo(x, y + size);\n ctx.lineTo(x + size, y);\n ctx.lineTo(x, y - size);\n ctx.closePath();\n ctx.fill();\n break;\n case 'cross':\n ctx.beginPath();\n ctx.moveTo(x, y + radius);\n ctx.lineTo(x, y - radius);\n ctx.moveTo(x - radius, y);\n ctx.lineTo(x + radius, y);\n ctx.closePath();\n break;\n case 'crossRot':\n ctx.beginPath();\n xOffset = Math.cos(Math.PI / 4) * radius;\n yOffset = Math.sin(Math.PI / 4) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x - xOffset, y + yOffset);\n ctx.lineTo(x + xOffset, y - yOffset);\n ctx.closePath();\n break;\n case 'star':\n ctx.beginPath();\n ctx.moveTo(x, y + radius);\n ctx.lineTo(x, y - radius);\n ctx.moveTo(x - radius, y);\n ctx.lineTo(x + radius, y);\n xOffset = Math.cos(Math.PI / 4) * radius;\n yOffset = Math.sin(Math.PI / 4) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x - xOffset, y + yOffset);\n ctx.lineTo(x + xOffset, y - yOffset);\n ctx.closePath();\n break;\n case 'line':\n ctx.beginPath();\n ctx.moveTo(x - radius, y);\n ctx.lineTo(x + radius, y);\n ctx.closePath();\n break;\n case 'dash':\n ctx.beginPath();\n ctx.moveTo(x, y);\n ctx.lineTo(x + radius, y);\n ctx.closePath();\n break;\n }\n\n ctx.stroke();\n },\n\n clipArea: function(ctx, area) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n ctx.clip();\n },\n\n unclipArea: function(ctx) {\n ctx.restore();\n },\n\n lineTo: function(ctx, previous, target, flip) {\n if (target.steppedLine) {\n if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) {\n ctx.lineTo(previous.x, target.y);\n } else {\n ctx.lineTo(target.x, previous.y);\n }\n ctx.lineTo(target.x, target.y);\n return;\n }\n\n if (!target.tension) {\n ctx.lineTo(target.x, target.y);\n return;\n }\n\n ctx.bezierCurveTo(\n flip ? previous.controlPointPreviousX : previous.controlPointNextX,\n flip ? previous.controlPointPreviousY : previous.controlPointNextY,\n flip ? target.controlPointNextX : target.controlPointPreviousX,\n flip ? target.controlPointNextY : target.controlPointPreviousY,\n target.x,\n target.y);\n }\n};\n\n// DEPRECATIONS\n\n/**\n * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.\n * @namespace Chart.helpers.clear\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.clear = exports.clear;\n\n/**\n * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.\n * @namespace Chart.helpers.drawRoundedRectangle\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.drawRoundedRectangle = function(ctx) {\n ctx.beginPath();\n exports.roundedRect.apply(exports, arguments);\n ctx.closePath();\n};\n\n},{\"42\":42}],42:[function(require,module,exports){\n'use strict';\n\n/**\n * @namespace Chart.helpers\n */\nvar helpers = {\n /**\n * An empty function that can be used, for example, for optional callback.\n */\n noop: function() {},\n\n /**\n * Returns a unique id, sequentially generated from a global variable.\n * @returns {Number}\n * @function\n */\n uid: (function() {\n var id = 0;\n return function() {\n return id++;\n };\n }()),\n\n /**\n * Returns true if `value` is neither null nor undefined, else returns false.\n * @param {*} value - The value to test.\n * @returns {Boolean}\n * @since 2.7.0\n */\n isNullOrUndef: function(value) {\n return value === null || typeof value === 'undefined';\n },\n\n /**\n * Returns true if `value` is an array, else returns false.\n * @param {*} value - The value to test.\n * @returns {Boolean}\n * @function\n */\n isArray: Array.isArray ? Array.isArray : function(value) {\n return Object.prototype.toString.call(value) === '[object Array]';\n },\n\n /**\n * Returns true if `value` is an object (excluding null), else returns false.\n * @param {*} value - The value to test.\n * @returns {Boolean}\n * @since 2.7.0\n */\n isObject: function(value) {\n return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n },\n\n /**\n * Returns `value` if defined, else returns `defaultValue`.\n * @param {*} value - The value to return if defined.\n * @param {*} defaultValue - The value to return if `value` is undefined.\n * @returns {*}\n */\n valueOrDefault: function(value, defaultValue) {\n return typeof value === 'undefined' ? defaultValue : value;\n },\n\n /**\n * Returns value at the given `index` in array if defined, else returns `defaultValue`.\n * @param {Array} value - The array to lookup for value at `index`.\n * @param {Number} index - The index in `value` to lookup for value.\n * @param {*} defaultValue - The value to return if `value[index]` is undefined.\n * @returns {*}\n */\n valueAtIndexOrDefault: function(value, index, defaultValue) {\n return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);\n },\n\n /**\n * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the\n * value returned by `fn`. If `fn` is not a function, this method returns undefined.\n * @param {Function} fn - The function to call.\n * @param {Array|undefined|null} args - The arguments with which `fn` should be called.\n * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n * @returns {*}\n */\n callback: function(fn, args, thisArg) {\n if (fn && typeof fn.call === 'function') {\n return fn.apply(thisArg, args);\n }\n },\n\n /**\n * Note(SB) for performance sake, this method should only be used when loopable type\n * is unknown or in none intensive code (not called often and small loopable). Else\n * it's preferable to use a regular for() loop and save extra function calls.\n * @param {Object|Array} loopable - The object or array to be iterated.\n * @param {Function} fn - The function to call for each item.\n * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n * @param {Boolean} [reverse] - If true, iterates backward on the loopable.\n */\n each: function(loopable, fn, thisArg, reverse) {\n var i, len, keys;\n if (helpers.isArray(loopable)) {\n len = loopable.length;\n if (reverse) {\n for (i = len - 1; i >= 0; i--) {\n fn.call(thisArg, loopable[i], i);\n }\n } else {\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[i], i);\n }\n }\n } else if (helpers.isObject(loopable)) {\n keys = Object.keys(loopable);\n len = keys.length;\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[keys[i]], keys[i]);\n }\n }\n },\n\n /**\n * Returns true if the `a0` and `a1` arrays have the same content, else returns false.\n * @see http://stackoverflow.com/a/14853974\n * @param {Array} a0 - The array to compare\n * @param {Array} a1 - The array to compare\n * @returns {Boolean}\n */\n arrayEquals: function(a0, a1) {\n var i, ilen, v0, v1;\n\n if (!a0 || !a1 || a0.length !== a1.length) {\n return false;\n }\n\n for (i = 0, ilen = a0.length; i < ilen; ++i) {\n v0 = a0[i];\n v1 = a1[i];\n\n if (v0 instanceof Array && v1 instanceof Array) {\n if (!helpers.arrayEquals(v0, v1)) {\n return false;\n }\n } else if (v0 !== v1) {\n // NOTE: two different object instances will never be equal: {x:20} != {x:20}\n return false;\n }\n }\n\n return true;\n },\n\n /**\n * Returns a deep copy of `source` without keeping references on objects and arrays.\n * @param {*} source - The value to clone.\n * @returns {*}\n */\n clone: function(source) {\n if (helpers.isArray(source)) {\n return source.map(helpers.clone);\n }\n\n if (helpers.isObject(source)) {\n var target = {};\n var keys = Object.keys(source);\n var klen = keys.length;\n var k = 0;\n\n for (; k < klen; ++k) {\n target[keys[k]] = helpers.clone(source[keys[k]]);\n }\n\n return target;\n }\n\n return source;\n },\n\n /**\n * The default merger when Chart.helpers.merge is called without merger option.\n * Note(SB): this method is also used by configMerge and scaleMerge as fallback.\n * @private\n */\n _merger: function(key, target, source, options) {\n var tval = target[key];\n var sval = source[key];\n\n if (helpers.isObject(tval) && helpers.isObject(sval)) {\n helpers.merge(tval, sval, options);\n } else {\n target[key] = helpers.clone(sval);\n }\n },\n\n /**\n * Merges source[key] in target[key] only if target[key] is undefined.\n * @private\n */\n _mergerIf: function(key, target, source) {\n var tval = target[key];\n var sval = source[key];\n\n if (helpers.isObject(tval) && helpers.isObject(sval)) {\n helpers.mergeIf(tval, sval);\n } else if (!target.hasOwnProperty(key)) {\n target[key] = helpers.clone(sval);\n }\n },\n\n /**\n * Recursively deep copies `source` properties into `target` with the given `options`.\n * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n * @param {Object} target - The target object in which all sources are merged into.\n * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n * @param {Object} [options] - Merging options:\n * @param {Function} [options.merger] - The merge method (key, target, source, options)\n * @returns {Object} The `target` object.\n */\n merge: function(target, source, options) {\n var sources = helpers.isArray(source) ? source : [source];\n var ilen = sources.length;\n var merge, i, keys, klen, k;\n\n if (!helpers.isObject(target)) {\n return target;\n }\n\n options = options || {};\n merge = options.merger || helpers._merger;\n\n for (i = 0; i < ilen; ++i) {\n source = sources[i];\n if (!helpers.isObject(source)) {\n continue;\n }\n\n keys = Object.keys(source);\n for (k = 0, klen = keys.length; k < klen; ++k) {\n merge(keys[k], target, source, options);\n }\n }\n\n return target;\n },\n\n /**\n * Recursively deep copies `source` properties into `target` *only* if not defined in target.\n * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n * @param {Object} target - The target object in which all sources are merged into.\n * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n * @returns {Object} The `target` object.\n */\n mergeIf: function(target, source) {\n return helpers.merge(target, source, {merger: helpers._mergerIf});\n },\n\n /**\n * Applies the contents of two or more objects together into the first object.\n * @param {Object} target - The target object in which all objects are merged into.\n * @param {Object} arg1 - Object containing additional properties to merge in target.\n * @param {Object} argN - Additional objects containing properties to merge in target.\n * @returns {Object} The `target` object.\n */\n extend: function(target) {\n var setFn = function(value, key) {\n target[key] = value;\n };\n for (var i = 1, ilen = arguments.length; i < ilen; ++i) {\n helpers.each(arguments[i], setFn);\n }\n return target;\n },\n\n /**\n * Basic javascript inheritance based on the model created in Backbone.js\n */\n inherits: function(extensions) {\n var me = this;\n var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {\n return me.apply(this, arguments);\n };\n\n var Surrogate = function() {\n this.constructor = ChartElement;\n };\n\n Surrogate.prototype = me.prototype;\n ChartElement.prototype = new Surrogate();\n ChartElement.extend = helpers.inherits;\n\n if (extensions) {\n helpers.extend(ChartElement.prototype, extensions);\n }\n\n ChartElement.__super__ = me.prototype;\n return ChartElement;\n }\n};\n\nmodule.exports = helpers;\n\n// DEPRECATIONS\n\n/**\n * Provided for backward compatibility, use Chart.helpers.callback instead.\n * @function Chart.helpers.callCallback\n * @deprecated since version 2.6.0\n * @todo remove at version 3\n * @private\n */\nhelpers.callCallback = helpers.callback;\n\n/**\n * Provided for backward compatibility, use Array.prototype.indexOf instead.\n * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+\n * @function Chart.helpers.indexOf\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.indexOf = function(array, item, fromIndex) {\n return Array.prototype.indexOf.call(array, item, fromIndex);\n};\n\n/**\n * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.\n * @function Chart.helpers.getValueOrDefault\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.getValueOrDefault = helpers.valueOrDefault;\n\n/**\n * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.\n * @function Chart.helpers.getValueAtIndexOrDefault\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n},{}],43:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(42);\n\n/**\n * Easing functions adapted from Robert Penner's easing equations.\n * @namespace Chart.helpers.easingEffects\n * @see http://www.robertpenner.com/easing/\n */\nvar effects = {\n linear: function(t) {\n return t;\n },\n\n easeInQuad: function(t) {\n return t * t;\n },\n\n easeOutQuad: function(t) {\n return -t * (t - 2);\n },\n\n easeInOutQuad: function(t) {\n if ((t /= 0.5) < 1) {\n return 0.5 * t * t;\n }\n return -0.5 * ((--t) * (t - 2) - 1);\n },\n\n easeInCubic: function(t) {\n return t * t * t;\n },\n\n easeOutCubic: function(t) {\n return (t = t - 1) * t * t + 1;\n },\n\n easeInOutCubic: function(t) {\n if ((t /= 0.5) < 1) {\n return 0.5 * t * t * t;\n }\n return 0.5 * ((t -= 2) * t * t + 2);\n },\n\n easeInQuart: function(t) {\n return t * t * t * t;\n },\n\n easeOutQuart: function(t) {\n return -((t = t - 1) * t * t * t - 1);\n },\n\n easeInOutQuart: function(t) {\n if ((t /= 0.5) < 1) {\n return 0.5 * t * t * t * t;\n }\n return -0.5 * ((t -= 2) * t * t * t - 2);\n },\n\n easeInQuint: function(t) {\n return t * t * t * t * t;\n },\n\n easeOutQuint: function(t) {\n return (t = t - 1) * t * t * t * t + 1;\n },\n\n easeInOutQuint: function(t) {\n if ((t /= 0.5) < 1) {\n return 0.5 * t * t * t * t * t;\n }\n return 0.5 * ((t -= 2) * t * t * t * t + 2);\n },\n\n easeInSine: function(t) {\n return -Math.cos(t * (Math.PI / 2)) + 1;\n },\n\n easeOutSine: function(t) {\n return Math.sin(t * (Math.PI / 2));\n },\n\n easeInOutSine: function(t) {\n return -0.5 * (Math.cos(Math.PI * t) - 1);\n },\n\n easeInExpo: function(t) {\n return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));\n },\n\n easeOutExpo: function(t) {\n return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;\n },\n\n easeInOutExpo: function(t) {\n if (t === 0) {\n return 0;\n }\n if (t === 1) {\n return 1;\n }\n if ((t /= 0.5) < 1) {\n return 0.5 * Math.pow(2, 10 * (t - 1));\n }\n return 0.5 * (-Math.pow(2, -10 * --t) + 2);\n },\n\n easeInCirc: function(t) {\n if (t >= 1) {\n return t;\n }\n return -(Math.sqrt(1 - t * t) - 1);\n },\n\n easeOutCirc: function(t) {\n return Math.sqrt(1 - (t = t - 1) * t);\n },\n\n easeInOutCirc: function(t) {\n if ((t /= 0.5) < 1) {\n return -0.5 * (Math.sqrt(1 - t * t) - 1);\n }\n return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n },\n\n easeInElastic: function(t) {\n var s = 1.70158;\n var p = 0;\n var a = 1;\n if (t === 0) {\n return 0;\n }\n if (t === 1) {\n return 1;\n }\n if (!p) {\n p = 0.3;\n }\n if (a < 1) {\n a = 1;\n s = p / 4;\n } else {\n s = p / (2 * Math.PI) * Math.asin(1 / a);\n }\n return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n },\n\n easeOutElastic: function(t) {\n var s = 1.70158;\n var p = 0;\n var a = 1;\n if (t === 0) {\n return 0;\n }\n if (t === 1) {\n return 1;\n }\n if (!p) {\n p = 0.3;\n }\n if (a < 1) {\n a = 1;\n s = p / 4;\n } else {\n s = p / (2 * Math.PI) * Math.asin(1 / a);\n }\n return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;\n },\n\n easeInOutElastic: function(t) {\n var s = 1.70158;\n var p = 0;\n var a = 1;\n if (t === 0) {\n return 0;\n }\n if ((t /= 0.5) === 2) {\n return 1;\n }\n if (!p) {\n p = 0.45;\n }\n if (a < 1) {\n a = 1;\n s = p / 4;\n } else {\n s = p / (2 * Math.PI) * Math.asin(1 / a);\n }\n if (t < 1) {\n return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n }\n return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;\n },\n easeInBack: function(t) {\n var s = 1.70158;\n return t * t * ((s + 1) * t - s);\n },\n\n easeOutBack: function(t) {\n var s = 1.70158;\n return (t = t - 1) * t * ((s + 1) * t + s) + 1;\n },\n\n easeInOutBack: function(t) {\n var s = 1.70158;\n if ((t /= 0.5) < 1) {\n return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\n }\n return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\n },\n\n easeInBounce: function(t) {\n return 1 - effects.easeOutBounce(1 - t);\n },\n\n easeOutBounce: function(t) {\n if (t < (1 / 2.75)) {\n return 7.5625 * t * t;\n }\n if (t < (2 / 2.75)) {\n return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;\n }\n if (t < (2.5 / 2.75)) {\n return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;\n }\n return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;\n },\n\n easeInOutBounce: function(t) {\n if (t < 0.5) {\n return effects.easeInBounce(t * 2) * 0.5;\n }\n return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n }\n};\n\nmodule.exports = {\n effects: effects\n};\n\n// DEPRECATIONS\n\n/**\n * Provided for backward compatibility, use Chart.helpers.easing.effects instead.\n * @function Chart.helpers.easingEffects\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.easingEffects = effects;\n\n},{\"42\":42}],44:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(42);\n\n/**\n * @alias Chart.helpers.options\n * @namespace\n */\nmodule.exports = {\n /**\n * Converts the given line height `value` in pixels for a specific font `size`.\n * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').\n * @param {Number} size - The font size (in pixels) used to resolve relative `value`.\n * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid).\n * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height\n * @since 2.7.0\n */\n toLineHeight: function(value, size) {\n var matches = ('' + value).match(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\n if (!matches || matches[1] === 'normal') {\n return size * 1.2;\n }\n\n value = +matches[2];\n\n switch (matches[3]) {\n case 'px':\n return value;\n case '%':\n value /= 100;\n break;\n default:\n break;\n }\n\n return size * value;\n },\n\n /**\n * Converts the given value into a padding object with pre-computed width/height.\n * @param {Number|Object} value - If a number, set the value to all TRBL component,\n * else, if and object, use defined properties and sets undefined ones to 0.\n * @returns {Object} The padding values (top, right, bottom, left, width, height)\n * @since 2.7.0\n */\n toPadding: function(value) {\n var t, r, b, l;\n\n if (helpers.isObject(value)) {\n t = +value.top || 0;\n r = +value.right || 0;\n b = +value.bottom || 0;\n l = +value.left || 0;\n } else {\n t = r = b = l = +value || 0;\n }\n\n return {\n top: t,\n right: r,\n bottom: b,\n left: l,\n height: t + b,\n width: l + r\n };\n },\n\n /**\n * Evaluates the given `inputs` sequentially and returns the first defined value.\n * @param {Array[]} inputs - An array of values, falling back to the last value.\n * @param {Object} [context] - If defined and the current value is a function, the value\n * is called with `context` as first argument and the result becomes the new input.\n * @param {Number} [index] - If defined and the current value is an array, the value\n * at `index` become the new input.\n * @since 2.7.0\n */\n resolve: function(inputs, context, index) {\n var i, ilen, value;\n\n for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n value = inputs[i];\n if (value === undefined) {\n continue;\n }\n if (context !== undefined && typeof value === 'function') {\n value = value(context);\n }\n if (index !== undefined && helpers.isArray(value)) {\n value = value[index];\n }\n if (value !== undefined) {\n return value;\n }\n }\n }\n};\n\n},{\"42\":42}],45:[function(require,module,exports){\n'use strict';\n\nmodule.exports = require(42);\nmodule.exports.easing = require(43);\nmodule.exports.canvas = require(41);\nmodule.exports.options = require(44);\n\n},{\"41\":41,\"42\":42,\"43\":43,\"44\":44}],46:[function(require,module,exports){\n/**\n * Platform fallback implementation (minimal).\n * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939\n */\n\nmodule.exports = {\n acquireContext: function(item) {\n if (item && item.canvas) {\n // Support for any object associated to a canvas (including a context2d)\n item = item.canvas;\n }\n\n return item && item.getContext('2d') || null;\n }\n};\n\n},{}],47:[function(require,module,exports){\n/**\n * Chart.Platform implementation for targeting a web browser\n */\n\n'use strict';\n\nvar helpers = require(45);\n\nvar EXPANDO_KEY = '$chartjs';\nvar CSS_PREFIX = 'chartjs-';\nvar CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';\nvar CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';\nvar ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];\n\n/**\n * DOM event types -> Chart.js event types.\n * Note: only events with different types are mapped.\n * @see https://developer.mozilla.org/en-US/docs/Web/Events\n */\nvar EVENT_TYPES = {\n touchstart: 'mousedown',\n touchmove: 'mousemove',\n touchend: 'mouseup',\n pointerenter: 'mouseenter',\n pointerdown: 'mousedown',\n pointermove: 'mousemove',\n pointerup: 'mouseup',\n pointerleave: 'mouseout',\n pointerout: 'mouseout'\n};\n\n/**\n * The \"used\" size is the final value of a dimension property after all calculations have\n * been performed. This method uses the computed style of `element` but returns undefined\n * if the computed style is not expressed in pixels. That can happen in some cases where\n * `element` has a size relative to its parent and this last one is not yet displayed,\n * for example because of `display: none` on a parent node.\n * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value\n * @returns {Number} Size in pixels or undefined if unknown.\n */\nfunction readUsedSize(element, property) {\n var value = helpers.getStyle(element, property);\n var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n return matches ? Number(matches[1]) : undefined;\n}\n\n/**\n * Initializes the canvas style and render size without modifying the canvas display size,\n * since responsiveness is handled by the controller.resize() method. The config is used\n * to determine the aspect ratio to apply in case no explicit height has been specified.\n */\nfunction initCanvas(canvas, config) {\n var style = canvas.style;\n\n // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it\n // returns null or '' if no explicit value has been set to the canvas attribute.\n var renderHeight = canvas.getAttribute('height');\n var renderWidth = canvas.getAttribute('width');\n\n // Chart.js modifies some canvas values that we want to restore on destroy\n canvas[EXPANDO_KEY] = {\n initial: {\n height: renderHeight,\n width: renderWidth,\n style: {\n display: style.display,\n height: style.height,\n width: style.width\n }\n }\n };\n\n // Force canvas to display as block to avoid extra space caused by inline\n // elements, which would interfere with the responsive resize process.\n // https://github.com/chartjs/Chart.js/issues/2538\n style.display = style.display || 'block';\n\n if (renderWidth === null || renderWidth === '') {\n var displayWidth = readUsedSize(canvas, 'width');\n if (displayWidth !== undefined) {\n canvas.width = displayWidth;\n }\n }\n\n if (renderHeight === null || renderHeight === '') {\n if (canvas.style.height === '') {\n // If no explicit render height and style height, let's apply the aspect ratio,\n // which one can be specified by the user but also by charts as default option\n // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.\n canvas.height = canvas.width / (config.options.aspectRatio || 2);\n } else {\n var displayHeight = readUsedSize(canvas, 'height');\n if (displayWidth !== undefined) {\n canvas.height = displayHeight;\n }\n }\n }\n\n return canvas;\n}\n\n/**\n * Detects support for options object argument in addEventListener.\n * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support\n * @private\n */\nvar supportsEventListenerOptions = (function() {\n var supports = false;\n try {\n var options = Object.defineProperty({}, 'passive', {\n get: function() {\n supports = true;\n }\n });\n window.addEventListener('e', null, options);\n } catch (e) {\n // continue regardless of error\n }\n return supports;\n}());\n\n// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.\n// https://github.com/chartjs/Chart.js/issues/4287\nvar eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\n\nfunction addEventListener(node, type, listener) {\n node.addEventListener(type, listener, eventListenerOptions);\n}\n\nfunction removeEventListener(node, type, listener) {\n node.removeEventListener(type, listener, eventListenerOptions);\n}\n\nfunction createEvent(type, chart, x, y, nativeEvent) {\n return {\n type: type,\n chart: chart,\n native: nativeEvent || null,\n x: x !== undefined ? x : null,\n y: y !== undefined ? y : null,\n };\n}\n\nfunction fromNativeEvent(event, chart) {\n var type = EVENT_TYPES[event.type] || event.type;\n var pos = helpers.getRelativePosition(event, chart);\n return createEvent(type, chart, pos.x, pos.y, event);\n}\n\nfunction throttled(fn, thisArg) {\n var ticking = false;\n var args = [];\n\n return function() {\n args = Array.prototype.slice.call(arguments);\n thisArg = thisArg || this;\n\n if (!ticking) {\n ticking = true;\n helpers.requestAnimFrame.call(window, function() {\n ticking = false;\n fn.apply(thisArg, args);\n });\n }\n };\n}\n\n// Implementation based on https://github.com/marcj/css-element-queries\nfunction createResizer(handler) {\n var resizer = document.createElement('div');\n var cls = CSS_PREFIX + 'size-monitor';\n var maxSize = 1000000;\n var style =\n 'position:absolute;' +\n 'left:0;' +\n 'top:0;' +\n 'right:0;' +\n 'bottom:0;' +\n 'overflow:hidden;' +\n 'pointer-events:none;' +\n 'visibility:hidden;' +\n 'z-index:-1;';\n\n resizer.style.cssText = style;\n resizer.className = cls;\n resizer.innerHTML =\n '<div class=\"' + cls + '-expand\" style=\"' + style + '\">' +\n '<div style=\"' +\n 'position:absolute;' +\n 'width:' + maxSize + 'px;' +\n 'height:' + maxSize + 'px;' +\n 'left:0;' +\n 'top:0\">' +\n '</div>' +\n '</div>' +\n '<div class=\"' + cls + '-shrink\" style=\"' + style + '\">' +\n '<div style=\"' +\n 'position:absolute;' +\n 'width:200%;' +\n 'height:200%;' +\n 'left:0; ' +\n 'top:0\">' +\n '</div>' +\n '</div>';\n\n var expand = resizer.childNodes[0];\n var shrink = resizer.childNodes[1];\n\n resizer._reset = function() {\n expand.scrollLeft = maxSize;\n expand.scrollTop = maxSize;\n shrink.scrollLeft = maxSize;\n shrink.scrollTop = maxSize;\n };\n var onScroll = function() {\n resizer._reset();\n handler();\n };\n\n addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand'));\n addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));\n\n return resizer;\n}\n\n// https://davidwalsh.name/detect-node-insertion\nfunction watchForRender(node, handler) {\n var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n var proxy = expando.renderProxy = function(e) {\n if (e.animationName === CSS_RENDER_ANIMATION) {\n handler();\n }\n };\n\n helpers.each(ANIMATION_START_EVENTS, function(type) {\n addEventListener(node, type, proxy);\n });\n\n // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class\n // is removed then added back immediately (same animation frame?). Accessing the\n // `offsetParent` property will force a reflow and re-evaluate the CSS animation.\n // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics\n // https://github.com/chartjs/Chart.js/issues/4737\n expando.reflow = !!node.offsetParent;\n\n node.classList.add(CSS_RENDER_MONITOR);\n}\n\nfunction unwatchForRender(node) {\n var expando = node[EXPANDO_KEY] || {};\n var proxy = expando.renderProxy;\n\n if (proxy) {\n helpers.each(ANIMATION_START_EVENTS, function(type) {\n removeEventListener(node, type, proxy);\n });\n\n delete expando.renderProxy;\n }\n\n node.classList.remove(CSS_RENDER_MONITOR);\n}\n\nfunction addResizeListener(node, listener, chart) {\n var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n\n // Let's keep track of this added resizer and thus avoid DOM query when removing it.\n var resizer = expando.resizer = createResizer(throttled(function() {\n if (expando.resizer) {\n return listener(createEvent('resize', chart));\n }\n }));\n\n // The resizer needs to be attached to the node parent, so we first need to be\n // sure that `node` is attached to the DOM before injecting the resizer element.\n watchForRender(node, function() {\n if (expando.resizer) {\n var container = node.parentNode;\n if (container && container !== resizer.parentNode) {\n container.insertBefore(resizer, container.firstChild);\n }\n\n // The container size might have changed, let's reset the resizer state.\n resizer._reset();\n }\n });\n}\n\nfunction removeResizeListener(node) {\n var expando = node[EXPANDO_KEY] || {};\n var resizer = expando.resizer;\n\n delete expando.resizer;\n unwatchForRender(node);\n\n if (resizer && resizer.parentNode) {\n resizer.parentNode.removeChild(resizer);\n }\n}\n\nfunction injectCSS(platform, css) {\n // http://stackoverflow.com/q/3922139\n var style = platform._style || document.createElement('style');\n if (!platform._style) {\n platform._style = style;\n css = '/* Chart.js */\\n' + css;\n style.setAttribute('type', 'text/css');\n document.getElementsByTagName('head')[0].appendChild(style);\n }\n\n style.appendChild(document.createTextNode(css));\n}\n\nmodule.exports = {\n /**\n * This property holds whether this platform is enabled for the current environment.\n * Currently used by platform.js to select the proper implementation.\n * @private\n */\n _enabled: typeof window !== 'undefined' && typeof document !== 'undefined',\n\n initialize: function() {\n var keyframes = 'from{opacity:0.99}to{opacity:1}';\n\n injectCSS(this,\n // DOM rendering detection\n // https://davidwalsh.name/detect-node-insertion\n '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n '.' + CSS_RENDER_MONITOR + '{' +\n '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n 'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n '}'\n );\n },\n\n acquireContext: function(item, config) {\n if (typeof item === 'string') {\n item = document.getElementById(item);\n } else if (item.length) {\n // Support for array based queries (such as jQuery)\n item = item[0];\n }\n\n if (item && item.canvas) {\n // Support for any object associated to a canvas (including a context2d)\n item = item.canvas;\n }\n\n // To prevent canvas fingerprinting, some add-ons undefine the getContext\n // method, for example: https://github.com/kkapsner/CanvasBlocker\n // https://github.com/chartjs/Chart.js/issues/2807\n var context = item && item.getContext && item.getContext('2d');\n\n // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is\n // inside an iframe or when running in a protected environment. We could guess the\n // types from their toString() value but let's keep things flexible and assume it's\n // a sufficient condition if the item has a context2D which has item as `canvas`.\n // https://github.com/chartjs/Chart.js/issues/3887\n // https://github.com/chartjs/Chart.js/issues/4102\n // https://github.com/chartjs/Chart.js/issues/4152\n if (context && context.canvas === item) {\n initCanvas(item, config);\n return context;\n }\n\n return null;\n },\n\n releaseContext: function(context) {\n var canvas = context.canvas;\n if (!canvas[EXPANDO_KEY]) {\n return;\n }\n\n var initial = canvas[EXPANDO_KEY].initial;\n ['height', 'width'].forEach(function(prop) {\n var value = initial[prop];\n if (helpers.isNullOrUndef(value)) {\n canvas.removeAttribute(prop);\n } else {\n canvas.setAttribute(prop, value);\n }\n });\n\n helpers.each(initial.style || {}, function(value, key) {\n canvas.style[key] = value;\n });\n\n // The canvas render size might have been changed (and thus the state stack discarded),\n // we can't use save() and restore() to restore the initial state. So make sure that at\n // least the canvas context is reset to the default state by setting the canvas width.\n // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html\n canvas.width = canvas.width;\n\n delete canvas[EXPANDO_KEY];\n },\n\n addEventListener: function(chart, type, listener) {\n var canvas = chart.canvas;\n if (type === 'resize') {\n // Note: the resize event is not supported on all browsers.\n addResizeListener(canvas, listener, chart);\n return;\n }\n\n var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});\n var proxies = expando.proxies || (expando.proxies = {});\n var proxy = proxies[chart.id + '_' + type] = function(event) {\n listener(fromNativeEvent(event, chart));\n };\n\n addEventListener(canvas, type, proxy);\n },\n\n removeEventListener: function(chart, type, listener) {\n var canvas = chart.canvas;\n if (type === 'resize') {\n // Note: the resize event is not supported on all browsers.\n removeResizeListener(canvas, listener);\n return;\n }\n\n var expando = listener[EXPANDO_KEY] || {};\n var proxies = expando.proxies || {};\n var proxy = proxies[chart.id + '_' + type];\n if (!proxy) {\n return;\n }\n\n removeEventListener(canvas, type, proxy);\n }\n};\n\n// DEPRECATIONS\n\n/**\n * Provided for backward compatibility, use EventTarget.addEventListener instead.\n * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n * @function Chart.helpers.addEvent\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.addEvent = addEventListener;\n\n/**\n * Provided for backward compatibility, use EventTarget.removeEventListener instead.\n * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener\n * @function Chart.helpers.removeEvent\n * @deprecated since version 2.7.0\n * @todo remove at version 3\n * @private\n */\nhelpers.removeEvent = removeEventListener;\n\n},{\"45\":45}],48:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\nvar basic = require(46);\nvar dom = require(47);\n\n// @TODO Make possible to select another platform at build time.\nvar implementation = dom._enabled ? dom : basic;\n\n/**\n * @namespace Chart.platform\n * @see https://chartjs.gitbooks.io/proposals/content/Platform.html\n * @since 2.4.0\n */\nmodule.exports = helpers.extend({\n /**\n * @since 2.7.0\n */\n initialize: function() {},\n\n /**\n * Called at chart construction time, returns a context2d instance implementing\n * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.\n * @param {*} item - The native item from which to acquire context (platform specific)\n * @param {Object} options - The chart options\n * @returns {CanvasRenderingContext2D} context2d instance\n */\n acquireContext: function() {},\n\n /**\n * Called at chart destruction time, releases any resources associated to the context\n * previously returned by the acquireContext() method.\n * @param {CanvasRenderingContext2D} context - The context2d instance\n * @returns {Boolean} true if the method succeeded, else false\n */\n releaseContext: function() {},\n\n /**\n * Registers the specified listener on the given chart.\n * @param {Chart} chart - Chart from which to listen for event\n * @param {String} type - The ({@link IEvent}) type to listen for\n * @param {Function} listener - Receives a notification (an object that implements\n * the {@link IEvent} interface) when an event of the specified type occurs.\n */\n addEventListener: function() {},\n\n /**\n * Removes the specified listener previously registered with addEventListener.\n * @param {Chart} chart -Chart from which to remove the listener\n * @param {String} type - The ({@link IEvent}) type to remove\n * @param {Function} listener - The listener function to remove from the event target.\n */\n removeEventListener: function() {}\n\n}, implementation);\n\n/**\n * @interface IPlatform\n * Allows abstracting platform dependencies away from the chart\n * @borrows Chart.platform.acquireContext as acquireContext\n * @borrows Chart.platform.releaseContext as releaseContext\n * @borrows Chart.platform.addEventListener as addEventListener\n * @borrows Chart.platform.removeEventListener as removeEventListener\n */\n\n/**\n * @interface IEvent\n * @prop {String} type - The event type name, possible values are:\n * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout',\n * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize'\n * @prop {*} native - The original native event (null for emulated events, e.g. 'resize')\n * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events)\n * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events)\n */\n\n},{\"45\":45,\"46\":46,\"47\":47}],49:[function(require,module,exports){\n/**\n * Plugin based on discussion from the following Chart.js issues:\n * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569\n * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897\n */\n\n'use strict';\n\nvar defaults = require(25);\nvar elements = require(40);\nvar helpers = require(45);\n\ndefaults._set('global', {\n plugins: {\n filler: {\n propagate: true\n }\n }\n});\n\nmodule.exports = function() {\n\n var mappers = {\n dataset: function(source) {\n var index = source.fill;\n var chart = source.chart;\n var meta = chart.getDatasetMeta(index);\n var visible = meta && chart.isDatasetVisible(index);\n var points = (visible && meta.dataset._children) || [];\n var length = points.length || 0;\n\n return !length ? null : function(point, i) {\n return (i < length && points[i]._view) || null;\n };\n },\n\n boundary: function(source) {\n var boundary = source.boundary;\n var x = boundary ? boundary.x : null;\n var y = boundary ? boundary.y : null;\n\n return function(point) {\n return {\n x: x === null ? point.x : x,\n y: y === null ? point.y : y,\n };\n };\n }\n };\n\n // @todo if (fill[0] === '#')\n function decodeFill(el, index, count) {\n var model = el._model || {};\n var fill = model.fill;\n var target;\n\n if (fill === undefined) {\n fill = !!model.backgroundColor;\n }\n\n if (fill === false || fill === null) {\n return false;\n }\n\n if (fill === true) {\n return 'origin';\n }\n\n target = parseFloat(fill, 10);\n if (isFinite(target) && Math.floor(target) === target) {\n if (fill[0] === '-' || fill[0] === '+') {\n target = index + target;\n }\n\n if (target === index || target < 0 || target >= count) {\n return false;\n }\n\n return target;\n }\n\n switch (fill) {\n // compatibility\n case 'bottom':\n return 'start';\n case 'top':\n return 'end';\n case 'zero':\n return 'origin';\n // supported boundaries\n case 'origin':\n case 'start':\n case 'end':\n return fill;\n // invalid fill values\n default:\n return false;\n }\n }\n\n function computeBoundary(source) {\n var model = source.el._model || {};\n var scale = source.el._scale || {};\n var fill = source.fill;\n var target = null;\n var horizontal;\n\n if (isFinite(fill)) {\n return null;\n }\n\n // Backward compatibility: until v3, we still need to support boundary values set on\n // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and\n // controllers might still use it (e.g. the Smith chart).\n\n if (fill === 'start') {\n target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;\n } else if (fill === 'end') {\n target = model.scaleTop === undefined ? scale.top : model.scaleTop;\n } else if (model.scaleZero !== undefined) {\n target = model.scaleZero;\n } else if (scale.getBasePosition) {\n target = scale.getBasePosition();\n } else if (scale.getBasePixel) {\n target = scale.getBasePixel();\n }\n\n if (target !== undefined && target !== null) {\n if (target.x !== undefined && target.y !== undefined) {\n return target;\n }\n\n if (typeof target === 'number' && isFinite(target)) {\n horizontal = scale.isHorizontal();\n return {\n x: horizontal ? target : null,\n y: horizontal ? null : target\n };\n }\n }\n\n return null;\n }\n\n function resolveTarget(sources, index, propagate) {\n var source = sources[index];\n var fill = source.fill;\n var visited = [index];\n var target;\n\n if (!propagate) {\n return fill;\n }\n\n while (fill !== false && visited.indexOf(fill) === -1) {\n if (!isFinite(fill)) {\n return fill;\n }\n\n target = sources[fill];\n if (!target) {\n return false;\n }\n\n if (target.visible) {\n return fill;\n }\n\n visited.push(fill);\n fill = target.fill;\n }\n\n return false;\n }\n\n function createMapper(source) {\n var fill = source.fill;\n var type = 'dataset';\n\n if (fill === false) {\n return null;\n }\n\n if (!isFinite(fill)) {\n type = 'boundary';\n }\n\n return mappers[type](source);\n }\n\n function isDrawable(point) {\n return point && !point.skip;\n }\n\n function drawArea(ctx, curve0, curve1, len0, len1) {\n var i;\n\n if (!len0 || !len1) {\n return;\n }\n\n // building first area curve (normal)\n ctx.moveTo(curve0[0].x, curve0[0].y);\n for (i = 1; i < len0; ++i) {\n helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);\n }\n\n // joining the two area curves\n ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);\n\n // building opposite area curve (reverse)\n for (i = len1 - 1; i > 0; --i) {\n helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);\n }\n }\n\n function doFill(ctx, points, mapper, view, color, loop) {\n var count = points.length;\n var span = view.spanGaps;\n var curve0 = [];\n var curve1 = [];\n var len0 = 0;\n var len1 = 0;\n var i, ilen, index, p0, p1, d0, d1;\n\n ctx.beginPath();\n\n for (i = 0, ilen = (count + !!loop); i < ilen; ++i) {\n index = i % count;\n p0 = points[index]._view;\n p1 = mapper(p0, index, view);\n d0 = isDrawable(p0);\n d1 = isDrawable(p1);\n\n if (d0 && d1) {\n len0 = curve0.push(p0);\n len1 = curve1.push(p1);\n } else if (len0 && len1) {\n if (!span) {\n drawArea(ctx, curve0, curve1, len0, len1);\n len0 = len1 = 0;\n curve0 = [];\n curve1 = [];\n } else {\n if (d0) {\n curve0.push(p0);\n }\n if (d1) {\n curve1.push(p1);\n }\n }\n }\n }\n\n drawArea(ctx, curve0, curve1, len0, len1);\n\n ctx.closePath();\n ctx.fillStyle = color;\n ctx.fill();\n }\n\n return {\n id: 'filler',\n\n afterDatasetsUpdate: function(chart, options) {\n var count = (chart.data.datasets || []).length;\n var propagate = options.propagate;\n var sources = [];\n var meta, i, el, source;\n\n for (i = 0; i < count; ++i) {\n meta = chart.getDatasetMeta(i);\n el = meta.dataset;\n source = null;\n\n if (el && el._model && el instanceof elements.Line) {\n source = {\n visible: chart.isDatasetVisible(i),\n fill: decodeFill(el, i, count),\n chart: chart,\n el: el\n };\n }\n\n meta.$filler = source;\n sources.push(source);\n }\n\n for (i = 0; i < count; ++i) {\n source = sources[i];\n if (!source) {\n continue;\n }\n\n source.fill = resolveTarget(sources, i, propagate);\n source.boundary = computeBoundary(source);\n source.mapper = createMapper(source);\n }\n },\n\n beforeDatasetDraw: function(chart, args) {\n var meta = args.meta.$filler;\n if (!meta) {\n return;\n }\n\n var ctx = chart.ctx;\n var el = meta.el;\n var view = el._view;\n var points = el._children || [];\n var mapper = meta.mapper;\n var color = view.backgroundColor || defaults.global.defaultColor;\n\n if (mapper && color && points.length) {\n helpers.canvas.clipArea(ctx, chart.chartArea);\n doFill(ctx, points, mapper, view, color, el._loop);\n helpers.canvas.unclipArea(ctx);\n }\n }\n };\n};\n\n},{\"25\":25,\"40\":40,\"45\":45}],50:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\ndefaults._set('global', {\n legend: {\n display: true,\n position: 'top',\n fullWidth: true,\n reverse: false,\n weight: 1000,\n\n // a callback that will handle\n onClick: function(e, legendItem) {\n var index = legendItem.datasetIndex;\n var ci = this.chart;\n var meta = ci.getDatasetMeta(index);\n\n // See controller.isDatasetVisible comment\n meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;\n\n // We hid a dataset ... rerender the chart\n ci.update();\n },\n\n onHover: null,\n\n labels: {\n boxWidth: 40,\n padding: 10,\n // Generates labels shown in the legend\n // Valid properties to return:\n // text : text to display\n // fillStyle : fill of coloured box\n // strokeStyle: stroke of coloured box\n // hidden : if this legend item refers to a hidden item\n // lineCap : cap style for line\n // lineDash\n // lineDashOffset :\n // lineJoin :\n // lineWidth :\n generateLabels: function(chart) {\n var data = chart.data;\n return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {\n return {\n text: dataset.label,\n fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]),\n hidden: !chart.isDatasetVisible(i),\n lineCap: dataset.borderCapStyle,\n lineDash: dataset.borderDash,\n lineDashOffset: dataset.borderDashOffset,\n lineJoin: dataset.borderJoinStyle,\n lineWidth: dataset.borderWidth,\n strokeStyle: dataset.borderColor,\n pointStyle: dataset.pointStyle,\n\n // Below is extra data used for toggling the datasets\n datasetIndex: i\n };\n }, this) : [];\n }\n }\n },\n\n legendCallback: function(chart) {\n var text = [];\n text.push('<ul class=\"' + chart.id + '-legend\">');\n for (var i = 0; i < chart.data.datasets.length; i++) {\n text.push('<li><span style=\"background-color:' + chart.data.datasets[i].backgroundColor + '\"></span>');\n if (chart.data.datasets[i].label) {\n text.push(chart.data.datasets[i].label);\n }\n text.push('</li>');\n }\n text.push('</ul>');\n return text.join('');\n }\n});\n\nmodule.exports = function(Chart) {\n\n var layout = Chart.layoutService;\n var noop = helpers.noop;\n\n /**\n * Helper function to get the box width based on the usePointStyle option\n * @param labelopts {Object} the label options on the legend\n * @param fontSize {Number} the label font size\n * @return {Number} width of the color box area\n */\n function getBoxWidth(labelOpts, fontSize) {\n return labelOpts.usePointStyle ?\n fontSize * Math.SQRT2 :\n labelOpts.boxWidth;\n }\n\n Chart.Legend = Element.extend({\n\n initialize: function(config) {\n helpers.extend(this, config);\n\n // Contains hit boxes for each dataset (in dataset order)\n this.legendHitBoxes = [];\n\n // Are we in doughnut mode which has a different data type\n this.doughnutMode = false;\n },\n\n // These methods are ordered by lifecycle. Utilities then follow.\n // Any function defined here is inherited by all legend types.\n // Any function can be extended by the legend type\n\n beforeUpdate: noop,\n update: function(maxWidth, maxHeight, margins) {\n var me = this;\n\n // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n me.beforeUpdate();\n\n // Absorb the master measurements\n me.maxWidth = maxWidth;\n me.maxHeight = maxHeight;\n me.margins = margins;\n\n // Dimensions\n me.beforeSetDimensions();\n me.setDimensions();\n me.afterSetDimensions();\n // Labels\n me.beforeBuildLabels();\n me.buildLabels();\n me.afterBuildLabels();\n\n // Fit\n me.beforeFit();\n me.fit();\n me.afterFit();\n //\n me.afterUpdate();\n\n return me.minSize;\n },\n afterUpdate: noop,\n\n //\n\n beforeSetDimensions: noop,\n setDimensions: function() {\n var me = this;\n // Set the unconstrained dimension before label rotation\n if (me.isHorizontal()) {\n // Reset position before calculating rotation\n me.width = me.maxWidth;\n me.left = 0;\n me.right = me.width;\n } else {\n me.height = me.maxHeight;\n\n // Reset position before calculating rotation\n me.top = 0;\n me.bottom = me.height;\n }\n\n // Reset padding\n me.paddingLeft = 0;\n me.paddingTop = 0;\n me.paddingRight = 0;\n me.paddingBottom = 0;\n\n // Reset minSize\n me.minSize = {\n width: 0,\n height: 0\n };\n },\n afterSetDimensions: noop,\n\n //\n\n beforeBuildLabels: noop,\n buildLabels: function() {\n var me = this;\n var labelOpts = me.options.labels || {};\n var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || [];\n\n if (labelOpts.filter) {\n legendItems = legendItems.filter(function(item) {\n return labelOpts.filter(item, me.chart.data);\n });\n }\n\n if (me.options.reverse) {\n legendItems.reverse();\n }\n\n me.legendItems = legendItems;\n },\n afterBuildLabels: noop,\n\n //\n\n beforeFit: noop,\n fit: function() {\n var me = this;\n var opts = me.options;\n var labelOpts = opts.labels;\n var display = opts.display;\n\n var ctx = me.ctx;\n\n var globalDefault = defaults.global;\n var valueOrDefault = helpers.valueOrDefault;\n var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n // Reset hit boxes\n var hitboxes = me.legendHitBoxes = [];\n\n var minSize = me.minSize;\n var isHorizontal = me.isHorizontal();\n\n if (isHorizontal) {\n minSize.width = me.maxWidth; // fill all the width\n minSize.height = display ? 10 : 0;\n } else {\n minSize.width = display ? 10 : 0;\n minSize.height = me.maxHeight; // fill all the height\n }\n\n // Increase sizes here\n if (display) {\n ctx.font = labelFont;\n\n if (isHorizontal) {\n // Labels\n\n // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\n var lineWidths = me.lineWidths = [0];\n var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0;\n\n ctx.textAlign = 'left';\n ctx.textBaseline = 'top';\n\n helpers.each(me.legendItems, function(legendItem, i) {\n var boxWidth = getBoxWidth(labelOpts, fontSize);\n var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) {\n totalHeight += fontSize + (labelOpts.padding);\n lineWidths[lineWidths.length] = me.left;\n }\n\n // Store the hitbox width and height here. Final position will be updated in `draw`\n hitboxes[i] = {\n left: 0,\n top: 0,\n width: width,\n height: fontSize\n };\n\n lineWidths[lineWidths.length - 1] += width + labelOpts.padding;\n });\n\n minSize.height += totalHeight;\n\n } else {\n var vPadding = labelOpts.padding;\n var columnWidths = me.columnWidths = [];\n var totalWidth = labelOpts.padding;\n var currentColWidth = 0;\n var currentColHeight = 0;\n var itemHeight = fontSize + vPadding;\n\n helpers.each(me.legendItems, function(legendItem, i) {\n var boxWidth = getBoxWidth(labelOpts, fontSize);\n var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n // If too tall, go to new column\n if (currentColHeight + itemHeight > minSize.height) {\n totalWidth += currentColWidth + labelOpts.padding;\n columnWidths.push(currentColWidth); // previous column width\n\n currentColWidth = 0;\n currentColHeight = 0;\n }\n\n // Get max width\n currentColWidth = Math.max(currentColWidth, itemWidth);\n currentColHeight += itemHeight;\n\n // Store the hitbox width and height here. Final position will be updated in `draw`\n hitboxes[i] = {\n left: 0,\n top: 0,\n width: itemWidth,\n height: fontSize\n };\n });\n\n totalWidth += currentColWidth;\n columnWidths.push(currentColWidth);\n minSize.width += totalWidth;\n }\n }\n\n me.width = minSize.width;\n me.height = minSize.height;\n },\n afterFit: noop,\n\n // Shared Methods\n isHorizontal: function() {\n return this.options.position === 'top' || this.options.position === 'bottom';\n },\n\n // Actually draw the legend on the canvas\n draw: function() {\n var me = this;\n var opts = me.options;\n var labelOpts = opts.labels;\n var globalDefault = defaults.global;\n var lineDefault = globalDefault.elements.line;\n var legendWidth = me.width;\n var lineWidths = me.lineWidths;\n\n if (opts.display) {\n var ctx = me.ctx;\n var valueOrDefault = helpers.valueOrDefault;\n var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor);\n var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n var cursor;\n\n // Canvas setup\n ctx.textAlign = 'left';\n ctx.textBaseline = 'middle';\n ctx.lineWidth = 0.5;\n ctx.strokeStyle = fontColor; // for strikethrough effect\n ctx.fillStyle = fontColor; // render in correct colour\n ctx.font = labelFont;\n\n var boxWidth = getBoxWidth(labelOpts, fontSize);\n var hitboxes = me.legendHitBoxes;\n\n // current position\n var drawLegendBox = function(x, y, legendItem) {\n if (isNaN(boxWidth) || boxWidth <= 0) {\n return;\n }\n\n // Set the ctx for the box\n ctx.save();\n\n ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor);\n ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle);\n ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset);\n ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle);\n ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth);\n ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor);\n var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0);\n\n if (ctx.setLineDash) {\n // IE 9 and 10 do not support line dash\n ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash));\n }\n\n if (opts.labels && opts.labels.usePointStyle) {\n // Recalculate x and y for drawPoint() because its expecting\n // x and y to be center of figure (instead of top left)\n var radius = fontSize * Math.SQRT2 / 2;\n var offSet = radius / Math.SQRT2;\n var centerX = x + offSet;\n var centerY = y + offSet;\n\n // Draw pointStyle as legend symbol\n helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY);\n } else {\n // Draw box as legend symbol\n if (!isLineWidthZero) {\n ctx.strokeRect(x, y, boxWidth, fontSize);\n }\n ctx.fillRect(x, y, boxWidth, fontSize);\n }\n\n ctx.restore();\n };\n var fillText = function(x, y, legendItem, textWidth) {\n var halfFontSize = fontSize / 2;\n var xLeft = boxWidth + halfFontSize + x;\n var yMiddle = y + halfFontSize;\n\n ctx.fillText(legendItem.text, xLeft, yMiddle);\n\n if (legendItem.hidden) {\n // Strikethrough the text if hidden\n ctx.beginPath();\n ctx.lineWidth = 2;\n ctx.moveTo(xLeft, yMiddle);\n ctx.lineTo(xLeft + textWidth, yMiddle);\n ctx.stroke();\n }\n };\n\n // Horizontal\n var isHorizontal = me.isHorizontal();\n if (isHorizontal) {\n cursor = {\n x: me.left + ((legendWidth - lineWidths[0]) / 2),\n y: me.top + labelOpts.padding,\n line: 0\n };\n } else {\n cursor = {\n x: me.left + labelOpts.padding,\n y: me.top + labelOpts.padding,\n line: 0\n };\n }\n\n var itemHeight = fontSize + labelOpts.padding;\n helpers.each(me.legendItems, function(legendItem, i) {\n var textWidth = ctx.measureText(legendItem.text).width;\n var width = boxWidth + (fontSize / 2) + textWidth;\n var x = cursor.x;\n var y = cursor.y;\n\n if (isHorizontal) {\n if (x + width >= legendWidth) {\n y = cursor.y += itemHeight;\n cursor.line++;\n x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2);\n }\n } else if (y + itemHeight > me.bottom) {\n x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;\n y = cursor.y = me.top + labelOpts.padding;\n cursor.line++;\n }\n\n drawLegendBox(x, y, legendItem);\n\n hitboxes[i].left = x;\n hitboxes[i].top = y;\n\n // Fill the actual label\n fillText(x, y, legendItem, textWidth);\n\n if (isHorizontal) {\n cursor.x += width + (labelOpts.padding);\n } else {\n cursor.y += itemHeight;\n }\n\n });\n }\n },\n\n /**\n * Handle an event\n * @private\n * @param {IEvent} event - The event to handle\n * @return {Boolean} true if a change occured\n */\n handleEvent: function(e) {\n var me = this;\n var opts = me.options;\n var type = e.type === 'mouseup' ? 'click' : e.type;\n var changed = false;\n\n if (type === 'mousemove') {\n if (!opts.onHover) {\n return;\n }\n } else if (type === 'click') {\n if (!opts.onClick) {\n return;\n }\n } else {\n return;\n }\n\n // Chart event already has relative position in it\n var x = e.x;\n var y = e.y;\n\n if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\n // See if we are touching one of the dataset boxes\n var lh = me.legendHitBoxes;\n for (var i = 0; i < lh.length; ++i) {\n var hitBox = lh[i];\n\n if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\n // Touching an element\n if (type === 'click') {\n // use e.native for backwards compatibility\n opts.onClick.call(me, e.native, me.legendItems[i]);\n changed = true;\n break;\n } else if (type === 'mousemove') {\n // use e.native for backwards compatibility\n opts.onHover.call(me, e.native, me.legendItems[i]);\n changed = true;\n break;\n }\n }\n }\n }\n\n return changed;\n }\n });\n\n function createNewLegendAndAttach(chart, legendOpts) {\n var legend = new Chart.Legend({\n ctx: chart.ctx,\n options: legendOpts,\n chart: chart\n });\n\n layout.configure(chart, legend, legendOpts);\n layout.addBox(chart, legend);\n chart.legend = legend;\n }\n\n return {\n id: 'legend',\n\n beforeInit: function(chart) {\n var legendOpts = chart.options.legend;\n\n if (legendOpts) {\n createNewLegendAndAttach(chart, legendOpts);\n }\n },\n\n beforeUpdate: function(chart) {\n var legendOpts = chart.options.legend;\n var legend = chart.legend;\n\n if (legendOpts) {\n helpers.mergeIf(legendOpts, defaults.global.legend);\n\n if (legend) {\n layout.configure(chart, legend, legendOpts);\n legend.options = legendOpts;\n } else {\n createNewLegendAndAttach(chart, legendOpts);\n }\n } else if (legend) {\n layout.removeBox(chart, legend);\n delete chart.legend;\n }\n },\n\n afterEvent: function(chart, e) {\n var legend = chart.legend;\n if (legend) {\n legend.handleEvent(e);\n }\n }\n };\n};\n\n},{\"25\":25,\"26\":26,\"45\":45}],51:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar Element = require(26);\nvar helpers = require(45);\n\ndefaults._set('global', {\n title: {\n display: false,\n fontStyle: 'bold',\n fullWidth: true,\n lineHeight: 1.2,\n padding: 10,\n position: 'top',\n text: '',\n weight: 2000 // by default greater than legend (1000) to be above\n }\n});\n\nmodule.exports = function(Chart) {\n\n var layout = Chart.layoutService;\n var noop = helpers.noop;\n\n Chart.Title = Element.extend({\n initialize: function(config) {\n var me = this;\n helpers.extend(me, config);\n\n // Contains hit boxes for each dataset (in dataset order)\n me.legendHitBoxes = [];\n },\n\n // These methods are ordered by lifecycle. Utilities then follow.\n\n beforeUpdate: noop,\n update: function(maxWidth, maxHeight, margins) {\n var me = this;\n\n // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n me.beforeUpdate();\n\n // Absorb the master measurements\n me.maxWidth = maxWidth;\n me.maxHeight = maxHeight;\n me.margins = margins;\n\n // Dimensions\n me.beforeSetDimensions();\n me.setDimensions();\n me.afterSetDimensions();\n // Labels\n me.beforeBuildLabels();\n me.buildLabels();\n me.afterBuildLabels();\n\n // Fit\n me.beforeFit();\n me.fit();\n me.afterFit();\n //\n me.afterUpdate();\n\n return me.minSize;\n\n },\n afterUpdate: noop,\n\n //\n\n beforeSetDimensions: noop,\n setDimensions: function() {\n var me = this;\n // Set the unconstrained dimension before label rotation\n if (me.isHorizontal()) {\n // Reset position before calculating rotation\n me.width = me.maxWidth;\n me.left = 0;\n me.right = me.width;\n } else {\n me.height = me.maxHeight;\n\n // Reset position before calculating rotation\n me.top = 0;\n me.bottom = me.height;\n }\n\n // Reset padding\n me.paddingLeft = 0;\n me.paddingTop = 0;\n me.paddingRight = 0;\n me.paddingBottom = 0;\n\n // Reset minSize\n me.minSize = {\n width: 0,\n height: 0\n };\n },\n afterSetDimensions: noop,\n\n //\n\n beforeBuildLabels: noop,\n buildLabels: noop,\n afterBuildLabels: noop,\n\n //\n\n beforeFit: noop,\n fit: function() {\n var me = this;\n var valueOrDefault = helpers.valueOrDefault;\n var opts = me.options;\n var display = opts.display;\n var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize);\n var minSize = me.minSize;\n var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1;\n var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0;\n\n if (me.isHorizontal()) {\n minSize.width = me.maxWidth; // fill all the width\n minSize.height = textSize;\n } else {\n minSize.width = textSize;\n minSize.height = me.maxHeight; // fill all the height\n }\n\n me.width = minSize.width;\n me.height = minSize.height;\n\n },\n afterFit: noop,\n\n // Shared Methods\n isHorizontal: function() {\n var pos = this.options.position;\n return pos === 'top' || pos === 'bottom';\n },\n\n // Actually draw the title block on the canvas\n draw: function() {\n var me = this;\n var ctx = me.ctx;\n var valueOrDefault = helpers.valueOrDefault;\n var opts = me.options;\n var globalDefaults = defaults.global;\n\n if (opts.display) {\n var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize);\n var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle);\n var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily);\n var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n var offset = lineHeight / 2 + opts.padding;\n var rotation = 0;\n var top = me.top;\n var left = me.left;\n var bottom = me.bottom;\n var right = me.right;\n var maxWidth, titleX, titleY;\n\n ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour\n ctx.font = titleFont;\n\n // Horizontal\n if (me.isHorizontal()) {\n titleX = left + ((right - left) / 2); // midpoint of the width\n titleY = top + offset;\n maxWidth = right - left;\n } else {\n titleX = opts.position === 'left' ? left + offset : right - offset;\n titleY = top + ((bottom - top) / 2);\n maxWidth = bottom - top;\n rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);\n }\n\n ctx.save();\n ctx.translate(titleX, titleY);\n ctx.rotate(rotation);\n ctx.textAlign = 'center';\n ctx.textBaseline = 'middle';\n\n var text = opts.text;\n if (helpers.isArray(text)) {\n var y = 0;\n for (var i = 0; i < text.length; ++i) {\n ctx.fillText(text[i], 0, y, maxWidth);\n y += lineHeight;\n }\n } else {\n ctx.fillText(text, 0, 0, maxWidth);\n }\n\n ctx.restore();\n }\n }\n });\n\n function createNewTitleBlockAndAttach(chart, titleOpts) {\n var title = new Chart.Title({\n ctx: chart.ctx,\n options: titleOpts,\n chart: chart\n });\n\n layout.configure(chart, title, titleOpts);\n layout.addBox(chart, title);\n chart.titleBlock = title;\n }\n\n return {\n id: 'title',\n\n beforeInit: function(chart) {\n var titleOpts = chart.options.title;\n\n if (titleOpts) {\n createNewTitleBlockAndAttach(chart, titleOpts);\n }\n },\n\n beforeUpdate: function(chart) {\n var titleOpts = chart.options.title;\n var titleBlock = chart.titleBlock;\n\n if (titleOpts) {\n helpers.mergeIf(titleOpts, defaults.global.title);\n\n if (titleBlock) {\n layout.configure(chart, titleBlock, titleOpts);\n titleBlock.options = titleOpts;\n } else {\n createNewTitleBlockAndAttach(chart, titleOpts);\n }\n } else if (titleBlock) {\n Chart.layoutService.removeBox(chart, titleBlock);\n delete chart.titleBlock;\n }\n }\n };\n};\n\n},{\"25\":25,\"26\":26,\"45\":45}],52:[function(require,module,exports){\n'use strict';\n\nmodule.exports = function(Chart) {\n\n // Default config for a category scale\n var defaultConfig = {\n position: 'bottom'\n };\n\n var DatasetScale = Chart.Scale.extend({\n /**\n * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those\n * else fall back to data.labels\n * @private\n */\n getLabels: function() {\n var data = this.chart.data;\n return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;\n },\n\n determineDataLimits: function() {\n var me = this;\n var labels = me.getLabels();\n me.minIndex = 0;\n me.maxIndex = labels.length - 1;\n var findIndex;\n\n if (me.options.ticks.min !== undefined) {\n // user specified min value\n findIndex = labels.indexOf(me.options.ticks.min);\n me.minIndex = findIndex !== -1 ? findIndex : me.minIndex;\n }\n\n if (me.options.ticks.max !== undefined) {\n // user specified max value\n findIndex = labels.indexOf(me.options.ticks.max);\n me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex;\n }\n\n me.min = labels[me.minIndex];\n me.max = labels[me.maxIndex];\n },\n\n buildTicks: function() {\n var me = this;\n var labels = me.getLabels();\n // If we are viewing some subset of labels, slice the original array\n me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1);\n },\n\n getLabelForIndex: function(index, datasetIndex) {\n var me = this;\n var data = me.chart.data;\n var isHorizontal = me.isHorizontal();\n\n if (data.yLabels && !isHorizontal) {\n return me.getRightValue(data.datasets[datasetIndex].data[index]);\n }\n return me.ticks[index - me.minIndex];\n },\n\n // Used to get data value locations. Value can either be an index or a numerical value\n getPixelForValue: function(value, index) {\n var me = this;\n var offset = me.options.offset;\n // 1 is added because we need the length but we have the indexes\n var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1);\n\n // If value is a data object, then index is the index in the data array,\n // not the index of the scale. We need to change that.\n var valueCategory;\n if (value !== undefined && value !== null) {\n valueCategory = me.isHorizontal() ? value.x : value.y;\n }\n if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {\n var labels = me.getLabels();\n value = valueCategory || value;\n var idx = labels.indexOf(value);\n index = idx !== -1 ? idx : index;\n }\n\n if (me.isHorizontal()) {\n var valueWidth = me.width / offsetAmt;\n var widthOffset = (valueWidth * (index - me.minIndex));\n\n if (offset) {\n widthOffset += (valueWidth / 2);\n }\n\n return me.left + Math.round(widthOffset);\n }\n var valueHeight = me.height / offsetAmt;\n var heightOffset = (valueHeight * (index - me.minIndex));\n\n if (offset) {\n heightOffset += (valueHeight / 2);\n }\n\n return me.top + Math.round(heightOffset);\n },\n getPixelForTick: function(index) {\n return this.getPixelForValue(this.ticks[index], index + this.minIndex, null);\n },\n getValueForPixel: function(pixel) {\n var me = this;\n var offset = me.options.offset;\n var value;\n var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n var horz = me.isHorizontal();\n var valueDimension = (horz ? me.width : me.height) / offsetAmt;\n\n pixel -= horz ? me.left : me.top;\n\n if (offset) {\n pixel -= (valueDimension / 2);\n }\n\n if (pixel <= 0) {\n value = 0;\n } else {\n value = Math.round(pixel / valueDimension);\n }\n\n return value + me.minIndex;\n },\n getBasePixel: function() {\n return this.bottom;\n }\n });\n\n Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig);\n\n};\n\n},{}],53:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar helpers = require(45);\nvar Ticks = require(34);\n\nmodule.exports = function(Chart) {\n\n var defaultConfig = {\n position: 'left',\n ticks: {\n callback: Ticks.formatters.linear\n }\n };\n\n var LinearScale = Chart.LinearScaleBase.extend({\n\n determineDataLimits: function() {\n var me = this;\n var opts = me.options;\n var chart = me.chart;\n var data = chart.data;\n var datasets = data.datasets;\n var isHorizontal = me.isHorizontal();\n var DEFAULT_MIN = 0;\n var DEFAULT_MAX = 1;\n\n function IDMatches(meta) {\n return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n }\n\n // First Calculate the range\n me.min = null;\n me.max = null;\n\n var hasStacks = opts.stacked;\n if (hasStacks === undefined) {\n helpers.each(datasets, function(dataset, datasetIndex) {\n if (hasStacks) {\n return;\n }\n\n var meta = chart.getDatasetMeta(datasetIndex);\n if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n meta.stack !== undefined) {\n hasStacks = true;\n }\n });\n }\n\n if (opts.stacked || hasStacks) {\n var valuesPerStack = {};\n\n helpers.each(datasets, function(dataset, datasetIndex) {\n var meta = chart.getDatasetMeta(datasetIndex);\n var key = [\n meta.type,\n // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n meta.stack\n ].join('.');\n\n if (valuesPerStack[key] === undefined) {\n valuesPerStack[key] = {\n positiveValues: [],\n negativeValues: []\n };\n }\n\n // Store these per type\n var positiveValues = valuesPerStack[key].positiveValues;\n var negativeValues = valuesPerStack[key].negativeValues;\n\n if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n helpers.each(dataset.data, function(rawValue, index) {\n var value = +me.getRightValue(rawValue);\n if (isNaN(value) || meta.data[index].hidden) {\n return;\n }\n\n positiveValues[index] = positiveValues[index] || 0;\n negativeValues[index] = negativeValues[index] || 0;\n\n if (opts.relativePoints) {\n positiveValues[index] = 100;\n } else if (value < 0) {\n negativeValues[index] += value;\n } else {\n positiveValues[index] += value;\n }\n });\n }\n });\n\n helpers.each(valuesPerStack, function(valuesForType) {\n var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);\n var minVal = helpers.min(values);\n var maxVal = helpers.max(values);\n me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n });\n\n } else {\n helpers.each(datasets, function(dataset, datasetIndex) {\n var meta = chart.getDatasetMeta(datasetIndex);\n if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n helpers.each(dataset.data, function(rawValue, index) {\n var value = +me.getRightValue(rawValue);\n if (isNaN(value) || meta.data[index].hidden) {\n return;\n }\n\n if (me.min === null) {\n me.min = value;\n } else if (value < me.min) {\n me.min = value;\n }\n\n if (me.max === null) {\n me.max = value;\n } else if (value > me.max) {\n me.max = value;\n }\n });\n }\n });\n }\n\n me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;\n me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;\n\n // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n this.handleTickRangeOptions();\n },\n getTickLimit: function() {\n var maxTicks;\n var me = this;\n var tickOpts = me.options.ticks;\n\n if (me.isHorizontal()) {\n maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50));\n } else {\n // The factor of 2 used to scale the font size has been experimentally determined.\n var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize);\n maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize)));\n }\n\n return maxTicks;\n },\n // Called after the ticks are built. We need\n handleDirectionalChanges: function() {\n if (!this.isHorizontal()) {\n // We are in a vertical orientation. The top value is the highest. So reverse the array\n this.ticks.reverse();\n }\n },\n getLabelForIndex: function(index, datasetIndex) {\n return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n },\n // Utils\n getPixelForValue: function(value) {\n // This must be called after fit has been run so that\n // this.left, this.top, this.right, and this.bottom have been defined\n var me = this;\n var start = me.start;\n\n var rightValue = +me.getRightValue(value);\n var pixel;\n var range = me.end - start;\n\n if (me.isHorizontal()) {\n pixel = me.left + (me.width / range * (rightValue - start));\n return Math.round(pixel);\n }\n\n pixel = me.bottom - (me.height / range * (rightValue - start));\n return Math.round(pixel);\n },\n getValueForPixel: function(pixel) {\n var me = this;\n var isHorizontal = me.isHorizontal();\n var innerDimension = isHorizontal ? me.width : me.height;\n var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension;\n return me.start + ((me.end - me.start) * offset);\n },\n getPixelForTick: function(index) {\n return this.getPixelForValue(this.ticksAsNumbers[index]);\n }\n });\n Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig);\n\n};\n\n},{\"25\":25,\"34\":34,\"45\":45}],54:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\nvar Ticks = require(34);\n\nmodule.exports = function(Chart) {\n\n var noop = helpers.noop;\n\n Chart.LinearScaleBase = Chart.Scale.extend({\n getRightValue: function(value) {\n if (typeof value === 'string') {\n return +value;\n }\n return Chart.Scale.prototype.getRightValue.call(this, value);\n },\n\n handleTickRangeOptions: function() {\n var me = this;\n var opts = me.options;\n var tickOpts = opts.ticks;\n\n // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,\n // do nothing since that would make the chart weird. If the user really wants a weird chart\n // axis, they can manually override it\n if (tickOpts.beginAtZero) {\n var minSign = helpers.sign(me.min);\n var maxSign = helpers.sign(me.max);\n\n if (minSign < 0 && maxSign < 0) {\n // move the top up to 0\n me.max = 0;\n } else if (minSign > 0 && maxSign > 0) {\n // move the bottom down to 0\n me.min = 0;\n }\n }\n\n var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;\n var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;\n\n if (tickOpts.min !== undefined) {\n me.min = tickOpts.min;\n } else if (tickOpts.suggestedMin !== undefined) {\n if (me.min === null) {\n me.min = tickOpts.suggestedMin;\n } else {\n me.min = Math.min(me.min, tickOpts.suggestedMin);\n }\n }\n\n if (tickOpts.max !== undefined) {\n me.max = tickOpts.max;\n } else if (tickOpts.suggestedMax !== undefined) {\n if (me.max === null) {\n me.max = tickOpts.suggestedMax;\n } else {\n me.max = Math.max(me.max, tickOpts.suggestedMax);\n }\n }\n\n if (setMin !== setMax) {\n // We set the min or the max but not both.\n // So ensure that our range is good\n // Inverted or 0 length range can happen when\n // ticks.min is set, and no datasets are visible\n if (me.min >= me.max) {\n if (setMin) {\n me.max = me.min + 1;\n } else {\n me.min = me.max - 1;\n }\n }\n }\n\n if (me.min === me.max) {\n me.max++;\n\n if (!tickOpts.beginAtZero) {\n me.min--;\n }\n }\n },\n getTickLimit: noop,\n handleDirectionalChanges: noop,\n\n buildTicks: function() {\n var me = this;\n var opts = me.options;\n var tickOpts = opts.ticks;\n\n // Figure out what the max number of ticks we can support it is based on the size of\n // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n // the graph. Make sure we always have at least 2 ticks\n var maxTicks = me.getTickLimit();\n maxTicks = Math.max(2, maxTicks);\n\n var numericGeneratorOptions = {\n maxTicks: maxTicks,\n min: tickOpts.min,\n max: tickOpts.max,\n stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)\n };\n var ticks = me.ticks = Ticks.generators.linear(numericGeneratorOptions, me);\n\n me.handleDirectionalChanges();\n\n // At this point, we need to update our max and min given the tick values since we have expanded the\n // range of the scale\n me.max = helpers.max(ticks);\n me.min = helpers.min(ticks);\n\n if (tickOpts.reverse) {\n ticks.reverse();\n\n me.start = me.max;\n me.end = me.min;\n } else {\n me.start = me.min;\n me.end = me.max;\n }\n },\n convertTicksToLabels: function() {\n var me = this;\n me.ticksAsNumbers = me.ticks.slice();\n me.zeroLineIndex = me.ticks.indexOf(0);\n\n Chart.Scale.prototype.convertTicksToLabels.call(me);\n }\n });\n};\n\n},{\"34\":34,\"45\":45}],55:[function(require,module,exports){\n'use strict';\n\nvar helpers = require(45);\nvar Ticks = require(34);\n\nmodule.exports = function(Chart) {\n\n var defaultConfig = {\n position: 'left',\n\n // label settings\n ticks: {\n callback: Ticks.formatters.logarithmic\n }\n };\n\n var LogarithmicScale = Chart.Scale.extend({\n determineDataLimits: function() {\n var me = this;\n var opts = me.options;\n var tickOpts = opts.ticks;\n var chart = me.chart;\n var data = chart.data;\n var datasets = data.datasets;\n var valueOrDefault = helpers.valueOrDefault;\n var isHorizontal = me.isHorizontal();\n function IDMatches(meta) {\n return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n }\n\n // Calculate Range\n me.min = null;\n me.max = null;\n me.minNotZero = null;\n\n var hasStacks = opts.stacked;\n if (hasStacks === undefined) {\n helpers.each(datasets, function(dataset, datasetIndex) {\n if (hasStacks) {\n return;\n }\n\n var meta = chart.getDatasetMeta(datasetIndex);\n if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n meta.stack !== undefined) {\n hasStacks = true;\n }\n });\n }\n\n if (opts.stacked || hasStacks) {\n var valuesPerStack = {};\n\n helpers.each(datasets, function(dataset, datasetIndex) {\n var meta = chart.getDatasetMeta(datasetIndex);\n var key = [\n meta.type,\n // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n meta.stack\n ].join('.');\n\n if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n if (valuesPerStack[key] === undefined) {\n valuesPerStack[key] = [];\n }\n\n helpers.each(dataset.data, function(rawValue, index) {\n var values = valuesPerStack[key];\n var value = +me.getRightValue(rawValue);\n if (isNaN(value) || meta.data[index].hidden) {\n return;\n }\n\n values[index] = values[index] || 0;\n\n if (opts.relativePoints) {\n values[index] = 100;\n } else {\n // Don't need to split positive and negative since the log scale can't handle a 0 crossing\n values[index] += value;\n }\n });\n }\n });\n\n helpers.each(valuesPerStack, function(valuesForType) {\n var minVal = helpers.min(valuesForType);\n var maxVal = helpers.max(valuesForType);\n me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n });\n\n } else {\n helpers.each(datasets, function(dataset, datasetIndex) {\n var meta = chart.getDatasetMeta(datasetIndex);\n if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n helpers.each(dataset.data, function(rawValue, index) {\n var value = +me.getRightValue(rawValue);\n if (isNaN(value) || meta.data[index].hidden) {\n return;\n }\n\n if (me.min === null) {\n me.min = value;\n } else if (value < me.min) {\n me.min = value;\n }\n\n if (me.max === null) {\n me.max = value;\n } else if (value > me.max) {\n me.max = value;\n }\n\n if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) {\n me.minNotZero = value;\n }\n });\n }\n });\n }\n\n me.min = valueOrDefault(tickOpts.min, me.min);\n me.max = valueOrDefault(tickOpts.max, me.max);\n\n if (me.min === me.max) {\n if (me.min !== 0 && me.min !== null) {\n me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1);\n me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1);\n } else {\n me.min = 1;\n me.max = 10;\n }\n }\n },\n buildTicks: function() {\n var me = this;\n var opts = me.options;\n var tickOpts = opts.ticks;\n\n var generationOptions = {\n min: tickOpts.min,\n max: tickOpts.max\n };\n var ticks = me.ticks = Ticks.generators.logarithmic(generationOptions, me);\n\n if (!me.isHorizontal()) {\n // We are in a vertical orientation. The top value is the highest. So reverse the array\n ticks.reverse();\n }\n\n // At this point, we need to update our max and min given the tick values since we have expanded the\n // range of the scale\n me.max = helpers.max(ticks);\n me.min = helpers.min(ticks);\n\n if (tickOpts.reverse) {\n ticks.reverse();\n\n me.start = me.max;\n me.end = me.min;\n } else {\n me.start = me.min;\n me.end = me.max;\n }\n },\n convertTicksToLabels: function() {\n this.tickValues = this.ticks.slice();\n\n Chart.Scale.prototype.convertTicksToLabels.call(this);\n },\n // Get the correct tooltip label\n getLabelForIndex: function(index, datasetIndex) {\n return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n },\n getPixelForTick: function(index) {\n return this.getPixelForValue(this.tickValues[index]);\n },\n getPixelForValue: function(value) {\n var me = this;\n var start = me.start;\n var newVal = +me.getRightValue(value);\n var opts = me.options;\n var tickOpts = opts.ticks;\n var innerDimension, pixel, range;\n\n if (me.isHorizontal()) {\n range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0\n if (newVal === 0) {\n pixel = me.left;\n } else {\n innerDimension = me.width;\n pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n }\n } else {\n // Bottom - top since pixels increase downward on a screen\n innerDimension = me.height;\n if (start === 0 && !tickOpts.reverse) {\n range = helpers.log10(me.end) - helpers.log10(me.minNotZero);\n if (newVal === start) {\n pixel = me.bottom;\n } else if (newVal === me.minNotZero) {\n pixel = me.bottom - innerDimension * 0.02;\n } else {\n pixel = me.bottom - innerDimension * 0.02 - (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n }\n } else if (me.end === 0 && tickOpts.reverse) {\n range = helpers.log10(me.start) - helpers.log10(me.minNotZero);\n if (newVal === me.end) {\n pixel = me.top;\n } else if (newVal === me.minNotZero) {\n pixel = me.top + innerDimension * 0.02;\n } else {\n pixel = me.top + innerDimension * 0.02 + (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n }\n } else if (newVal === 0) {\n pixel = tickOpts.reverse ? me.top : me.bottom;\n } else {\n range = helpers.log10(me.end) - helpers.log10(start);\n innerDimension = me.height;\n pixel = me.bottom - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n }\n }\n return pixel;\n },\n getValueForPixel: function(pixel) {\n var me = this;\n var range = helpers.log10(me.end) - helpers.log10(me.start);\n var value, innerDimension;\n\n if (me.isHorizontal()) {\n innerDimension = me.width;\n value = me.start * Math.pow(10, (pixel - me.left) * range / innerDimension);\n } else { // todo: if start === 0\n innerDimension = me.height;\n value = Math.pow(10, (me.bottom - pixel) * range / innerDimension) / me.start;\n }\n return value;\n }\n });\n Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig);\n\n};\n\n},{\"34\":34,\"45\":45}],56:[function(require,module,exports){\n'use strict';\n\nvar defaults = require(25);\nvar helpers = require(45);\nvar Ticks = require(34);\n\nmodule.exports = function(Chart) {\n\n var globalDefaults = defaults.global;\n\n var defaultConfig = {\n display: true,\n\n // Boolean - Whether to animate scaling the chart from the centre\n animate: true,\n position: 'chartArea',\n\n angleLines: {\n display: true,\n color: 'rgba(0, 0, 0, 0.1)',\n lineWidth: 1\n },\n\n gridLines: {\n circular: false\n },\n\n // label settings\n ticks: {\n // Boolean - Show a backdrop to the scale label\n showLabelBackdrop: true,\n\n // String - The colour of the label backdrop\n backdropColor: 'rgba(255,255,255,0.75)',\n\n // Number - The backdrop padding above & below the label in pixels\n backdropPaddingY: 2,\n\n // Number - The backdrop padding to the side of the label in pixels\n backdropPaddingX: 2,\n\n callback: Ticks.formatters.linear\n },\n\n pointLabels: {\n // Boolean - if true, show point labels\n display: true,\n\n // Number - Point label font size in pixels\n fontSize: 10,\n\n // Function - Used to convert point labels\n callback: function(label) {\n return label;\n }\n }\n };\n\n function getValueCount(scale) {\n var opts = scale.options;\n return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0;\n }\n\n function getPointLabelFontOptions(scale) {\n var pointLabelOptions = scale.options.pointLabels;\n var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize);\n var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle);\n var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily);\n var font = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n return {\n size: fontSize,\n style: fontStyle,\n family: fontFamily,\n font: font\n };\n }\n\n function measureLabelSize(ctx, fontSize, label) {\n if (helpers.isArray(label)) {\n return {\n w: helpers.longestText(ctx, ctx.font, label),\n h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize)\n };\n }\n\n return {\n w: ctx.measureText(label).width,\n h: fontSize\n };\n }\n\n function determineLimits(angle, pos, size, min, max) {\n if (angle === min || angle === max) {\n return {\n start: pos - (size / 2),\n end: pos + (size / 2)\n };\n } else if (angle < min || angle > max) {\n return {\n start: pos - size - 5,\n end: pos\n };\n }\n\n return {\n start: pos,\n end: pos + size + 5\n };\n }\n\n /**\n * Helper function to fit a radial linear scale with point labels\n */\n function fitWithPointLabels(scale) {\n /*\n * Right, this is really confusing and there is a lot of maths going on here\n * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\n *\n * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\n *\n * Solution:\n *\n * We assume the radius of the polygon is half the size of the canvas at first\n * at each index we check if the text overlaps.\n *\n * Where it does, we store that angle and that index.\n *\n * After finding the largest index and angle we calculate how much we need to remove\n * from the shape radius to move the point inwards by that x.\n *\n * We average the left and right distances to get the maximum shape radius that can fit in the box\n * along with labels.\n *\n * Once we have that, we can find the centre point for the chart, by taking the x text protrusion\n * on each side, removing that from the size, halving it and adding the left x protrusion width.\n *\n * This will mean we have a shape fitted to the canvas, as large as it can be with the labels\n * and position it in the most space efficient manner\n *\n * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\n */\n\n var plFont = getPointLabelFontOptions(scale);\n\n // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\n // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\n var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n var furthestLimits = {\n r: scale.width,\n l: 0,\n t: scale.height,\n b: 0\n };\n var furthestAngles = {};\n var i, textSize, pointPosition;\n\n scale.ctx.font = plFont.font;\n scale._pointLabelSizes = [];\n\n var valueCount = getValueCount(scale);\n for (i = 0; i < valueCount; i++) {\n pointPosition = scale.getPointPosition(i, largestPossibleRadius);\n textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || '');\n scale._pointLabelSizes[i] = textSize;\n\n // Add quarter circle to make degree 0 mean top of circle\n var angleRadians = scale.getIndexAngle(i);\n var angle = helpers.toDegrees(angleRadians) % 360;\n var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n\n if (hLimits.start < furthestLimits.l) {\n furthestLimits.l = hLimits.start;\n furthestAngles.l = angleRadians;\n }\n\n if (hLimits.end > furthestLimits.r) {\n furthestLimits.r = hLimits.end;\n furthestAngles.r = angleRadians;\n }\n\n if (vLimits.start < furthestLimits.t) {\n furthestLimits.t = vLimits.start;\n furthestAngles.t = angleRadians;\n }\n\n if (vLimits.end > furthestLimits.b) {\n furthestLimits.b = vLimits.end;\n furthestAngles.b = angleRadians;\n }\n }\n\n scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);\n }\n\n /**\n * Helper function to fit a radial linear scale with no point labels\n */\n function fit(scale) {\n var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n scale.drawingArea = Math.round(largestPossibleRadius);\n scale.setCenterPoint(0, 0, 0, 0);\n }\n\n function getTextAlignForAngle(angle) {\n if (angle === 0 || angle === 180) {\n return 'center';\n } else if (angle < 180) {\n return 'left';\n }\n\n return 'right';\n }\n\n function fillText(ctx, text, position, fontSize) {\n if (helpers.isArray(text)) {\n var y = position.y;\n var spacing = 1.5 * fontSize;\n\n for (var i = 0; i < text.length; ++i) {\n ctx.fillText(text[i], position.x, y);\n y += spacing;\n }\n } else {\n ctx.fillText(text, position.x, position.y);\n }\n }\n\n function adjustPointPositionForLabelHeight(angle, textSize, position) {\n if (angle === 90 || angle === 270) {\n position.y -= (textSize.h / 2);\n } else if (angle > 270 || angle < 90) {\n position.y -= textSize.h;\n }\n }\n\n function drawPointLabels(scale) {\n var ctx = scale.ctx;\n var valueOrDefault = helpers.valueOrDefault;\n var opts = scale.options;\n var angleLineOpts = opts.angleLines;\n var pointLabelOpts = opts.pointLabels;\n\n ctx.lineWidth = angleLineOpts.lineWidth;\n ctx.strokeStyle = angleLineOpts.color;\n\n var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\n\n // Point Label Font\n var plFont = getPointLabelFontOptions(scale);\n\n ctx.textBaseline = 'top';\n\n for (var i = getValueCount(scale) - 1; i >= 0; i--) {\n if (angleLineOpts.display) {\n var outerPosition = scale.getPointPosition(i, outerDistance);\n ctx.beginPath();\n ctx.moveTo(scale.xCenter, scale.yCenter);\n ctx.lineTo(outerPosition.x, outerPosition.y);\n ctx.stroke();\n ctx.closePath();\n }\n\n if (pointLabelOpts.display) {\n // Extra 3px out for some label spacing\n var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5);\n\n // Keep this in loop since we may support array properties here\n var pointLabelFontColor = valueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor);\n ctx.font = plFont.font;\n ctx.fillStyle = pointLabelFontColor;\n\n var angleRadians = scale.getIndexAngle(i);\n var angle = helpers.toDegrees(angleRadians);\n ctx.textAlign = getTextAlignForAngle(angle);\n adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);\n fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size);\n }\n }\n }\n\n function drawRadiusLine(scale, gridLineOpts, radius, index) {\n var ctx = scale.ctx;\n ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1);\n ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1);\n\n if (scale.options.gridLines.circular) {\n // Draw circular arcs between the points\n ctx.beginPath();\n ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);\n ctx.closePath();\n ctx.stroke();\n } else {\n // Draw straight lines connecting each index\n var valueCount = getValueCount(scale);\n\n if (valueCount === 0) {\n return;\n }\n\n ctx.beginPath();\n var pointPosition = scale.getPointPosition(0, radius);\n ctx.moveTo(pointPosition.x, pointPosition.y);\n\n for (var i = 1; i < valueCount; i++) {\n pointPosition = scale.getPointPosition(i, radius);\n ctx.lineTo(pointPosition.x, pointPosition.y);\n }\n\n ctx.closePath();\n ctx.stroke();\n }\n }\n\n function numberOrZero(param) {\n return helpers.isNumber(param) ? param : 0;\n }\n\n var LinearRadialScale = Chart.LinearScaleBase.extend({\n setDimensions: function() {\n var me = this;\n var opts = me.options;\n var tickOpts = opts.ticks;\n // Set the unconstrained dimension before label rotation\n me.width = me.maxWidth;\n me.height = me.maxHeight;\n me.xCenter = Math.round(me.width / 2);\n me.yCenter = Math.round(me.height / 2);\n\n var minSize = helpers.min([me.height, me.width]);\n var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2);\n },\n determineDataLimits: function() {\n var me = this;\n var chart = me.chart;\n var min = Number.POSITIVE_INFINITY;\n var max = Number.NEGATIVE_INFINITY;\n\n helpers.each(chart.data.datasets, function(dataset, datasetIndex) {\n if (chart.isDatasetVisible(datasetIndex)) {\n var meta = chart.getDatasetMeta(datasetIndex);\n\n helpers.each(dataset.data, function(rawValue, index) {\n var value = +me.getRightValue(rawValue);\n if (isNaN(value) || meta.data[index].hidden) {\n return;\n }\n\n min = Math.min(value, min);\n max = Math.max(value, max);\n });\n }\n });\n\n me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);\n me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);\n\n // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n me.handleTickRangeOptions();\n },\n getTickLimit: function() {\n var tickOpts = this.options.ticks;\n var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));\n },\n convertTicksToLabels: function() {\n var me = this;\n\n Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me);\n\n // Point labels\n me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me);\n },\n getLabelForIndex: function(index, datasetIndex) {\n return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n },\n fit: function() {\n if (this.options.pointLabels.display) {\n fitWithPointLabels(this);\n } else {\n fit(this);\n }\n },\n /**\n * Set radius reductions and determine new radius and center point\n * @private\n */\n setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {\n var me = this;\n var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\n var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\n var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\n var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b);\n\n radiusReductionLeft = numberOrZero(radiusReductionLeft);\n radiusReductionRight = numberOrZero(radiusReductionRight);\n radiusReductionTop = numberOrZero(radiusReductionTop);\n radiusReductionBottom = numberOrZero(radiusReductionBottom);\n\n me.drawingArea = Math.min(\n Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),\n Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));\n me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\n },\n setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {\n var me = this;\n var maxRight = me.width - rightMovement - me.drawingArea;\n var maxLeft = leftMovement + me.drawingArea;\n var maxTop = topMovement + me.drawingArea;\n var maxBottom = me.height - bottomMovement - me.drawingArea;\n\n me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);\n me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);\n },\n\n getIndexAngle: function(index) {\n var angleMultiplier = (Math.PI * 2) / getValueCount(this);\n var startAngle = this.chart.options && this.chart.options.startAngle ?\n this.chart.options.startAngle :\n 0;\n\n var startAngleRadians = startAngle * Math.PI * 2 / 360;\n\n // Start from the top instead of right, so remove a quarter of the circle\n return index * angleMultiplier + startAngleRadians;\n },\n getDistanceFromCenterForValue: function(value) {\n var me = this;\n\n if (value === null) {\n return 0; // null always in center\n }\n\n // Take into account half font size + the yPadding of the top value\n var scalingFactor = me.drawingArea / (me.max - me.min);\n if (me.options.ticks.reverse) {\n return (me.max - value) * scalingFactor;\n }\n return (value - me.min) * scalingFactor;\n },\n getPointPosition: function(index, distanceFromCenter) {\n var me = this;\n var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);\n return {\n x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter,\n y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter\n };\n },\n getPointPositionForValue: function(index, value) {\n return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n },\n\n getBasePosition: function() {\n var me = this;\n var min = me.min;\n var max = me.max;\n\n return me.getPointPositionForValue(0,\n me.beginAtZero ? 0 :\n min < 0 && max < 0 ? max :\n min > 0 && max > 0 ? min :\n 0);\n },\n\n draw: function() {\n var me = this;\n var opts = me.options;\n var gridLineOpts = opts.gridLines;\n var tickOpts = opts.ticks;\n var valueOrDefault = helpers.valueOrDefault;\n\n if (opts.display) {\n var ctx = me.ctx;\n var startAngle = this.getIndexAngle(0);\n\n // Tick Font\n var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle);\n var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily);\n var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);\n\n helpers.each(me.ticks, function(label, index) {\n // Don't draw a centre value (if it is minimum)\n if (index > 0 || tickOpts.reverse) {\n var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\n\n // Draw circular lines around the scale\n if (gridLineOpts.display && index !== 0) {\n drawRadiusLine(me, gridLineOpts, yCenterOffset, index);\n }\n\n if (tickOpts.display) {\n var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor);\n ctx.font = tickLabelFont;\n\n ctx.save();\n ctx.translate(me.xCenter, me.yCenter);\n ctx.rotate(startAngle);\n\n if (tickOpts.showLabelBackdrop) {\n var labelWidth = ctx.measureText(label).width;\n ctx.fillStyle = tickOpts.backdropColor;\n ctx.fillRect(\n -labelWidth / 2 - tickOpts.backdropPaddingX,\n -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY,\n labelWidth + tickOpts.backdropPaddingX * 2,\n tickFontSize + tickOpts.backdropPaddingY * 2\n );\n }\n\n ctx.textAlign = 'center';\n ctx.textBaseline = 'middle';\n ctx.fillStyle = tickFontColor;\n ctx.fillText(label, 0, -yCenterOffset);\n ctx.restore();\n }\n }\n });\n\n if (opts.angleLines.display || opts.pointLabels.display) {\n drawPointLabels(me);\n }\n }\n }\n });\n Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig);\n\n};\n\n},{\"25\":25,\"34\":34,\"45\":45}],57:[function(require,module,exports){\n/* global window: false */\n'use strict';\n\nvar moment = require(6);\nmoment = typeof moment === 'function' ? moment : window.moment;\n\nvar defaults = require(25);\nvar helpers = require(45);\n\n// Integer constants are from the ES6 spec.\nvar MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;\nvar MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;\n\nvar INTERVALS = {\n millisecond: {\n common: true,\n size: 1,\n steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]\n },\n second: {\n common: true,\n size: 1000,\n steps: [1, 2, 5, 10, 30]\n },\n minute: {\n common: true,\n size: 60000,\n steps: [1, 2, 5, 10, 30]\n },\n hour: {\n common: true,\n size: 3600000,\n steps: [1, 2, 3, 6, 12]\n },\n day: {\n common: true,\n size: 86400000,\n steps: [1, 2, 5]\n },\n week: {\n common: false,\n size: 604800000,\n steps: [1, 2, 3, 4]\n },\n month: {\n common: true,\n size: 2.628e9,\n steps: [1, 2, 3]\n },\n quarter: {\n common: false,\n size: 7.884e9,\n steps: [1, 2, 3, 4]\n },\n year: {\n common: true,\n size: 3.154e10\n }\n};\n\nvar UNITS = Object.keys(INTERVALS);\n\nfunction sorter(a, b) {\n return a - b;\n}\n\nfunction arrayUnique(items) {\n var hash = {};\n var out = [];\n var i, ilen, item;\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n item = items[i];\n if (!hash[item]) {\n hash[item] = true;\n out.push(item);\n }\n }\n\n return out;\n}\n\n/**\n * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\n * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\n * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\n * extremity (left + width or top + height). Note that it would be more optimized to directly\n * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\n * to create the lookup table. The table ALWAYS contains at least two items: min and max.\n *\n * @param {Number[]} timestamps - timestamps sorted from lowest to highest.\n * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min\n * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.\n * If 'series', timestamps will be positioned at the same distance from each other. In this\n * case, only timestamps that break the time linearity are registered, meaning that in the\n * best case, all timestamps are linear, the table contains only min and max.\n */\nfunction buildLookupTable(timestamps, min, max, distribution) {\n if (distribution === 'linear' || !timestamps.length) {\n return [\n {time: min, pos: 0},\n {time: max, pos: 1}\n ];\n }\n\n var table = [];\n var items = [min];\n var i, ilen, prev, curr, next;\n\n for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n curr = timestamps[i];\n if (curr > min && curr < max) {\n items.push(curr);\n }\n }\n\n items.push(max);\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n next = items[i + 1];\n prev = items[i - 1];\n curr = items[i];\n\n // only add points that breaks the scale linearity\n if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {\n table.push({time: curr, pos: i / (ilen - 1)});\n }\n }\n\n return table;\n}\n\n// @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/\nfunction lookup(table, key, value) {\n var lo = 0;\n var hi = table.length - 1;\n var mid, i0, i1;\n\n while (lo >= 0 && lo <= hi) {\n mid = (lo + hi) >> 1;\n i0 = table[mid - 1] || null;\n i1 = table[mid];\n\n if (!i0) {\n // given value is outside table (before first item)\n return {lo: null, hi: i1};\n } else if (i1[key] < value) {\n lo = mid + 1;\n } else if (i0[key] > value) {\n hi = mid - 1;\n } else {\n return {lo: i0, hi: i1};\n }\n }\n\n // given value is outside table (after last item)\n return {lo: i1, hi: null};\n}\n\n/**\n * Linearly interpolates the given source `value` using the table items `skey` values and\n * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')\n * returns the position for a timestamp equal to 42. If value is out of bounds, values at\n * index [0, 1] or [n - 1, n] are used for the interpolation.\n */\nfunction interpolate(table, skey, sval, tkey) {\n var range = lookup(table, skey, sval);\n\n // Note: the lookup table ALWAYS contains at least 2 items (min and max)\n var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;\n var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;\n\n var span = next[skey] - prev[skey];\n var ratio = span ? (sval - prev[skey]) / span : 0;\n var offset = (next[tkey] - prev[tkey]) * ratio;\n\n return prev[tkey] + offset;\n}\n\n/**\n * Convert the given value to a moment object using the given time options.\n * @see http://momentjs.com/docs/#/parsing/\n */\nfunction momentify(value, options) {\n var parser = options.parser;\n var format = options.parser || options.format;\n\n if (typeof parser === 'function') {\n return parser(value);\n }\n\n if (typeof value === 'string' && typeof format === 'string') {\n return moment(value, format);\n }\n\n if (!(value instanceof moment)) {\n value = moment(value);\n }\n\n if (value.isValid()) {\n return value;\n }\n\n // Labels are in an incompatible moment format and no `parser` has been provided.\n // The user might still use the deprecated `format` option to convert his inputs.\n if (typeof format === 'function') {\n return format(value);\n }\n\n return value;\n}\n\nfunction parse(input, scale) {\n if (helpers.isNullOrUndef(input)) {\n return null;\n }\n\n var options = scale.options.time;\n var value = momentify(scale.getRightValue(input), options);\n if (!value.isValid()) {\n return null;\n }\n\n if (options.round) {\n value.startOf(options.round);\n }\n\n return value.valueOf();\n}\n\n/**\n * Returns the number of unit to skip to be able to display up to `capacity` number of ticks\n * in `unit` for the given `min` / `max` range and respecting the interval steps constraints.\n */\nfunction determineStepSize(min, max, unit, capacity) {\n var range = max - min;\n var interval = INTERVALS[unit];\n var milliseconds = interval.size;\n var steps = interval.steps;\n var i, ilen, factor;\n\n if (!steps) {\n return Math.ceil(range / ((capacity || 1) * milliseconds));\n }\n\n for (i = 0, ilen = steps.length; i < ilen; ++i) {\n factor = steps[i];\n if (Math.ceil(range / (milliseconds * factor)) <= capacity) {\n break;\n }\n }\n\n return factor;\n}\n\n/**\n * Figures out what unit results in an appropriate number of auto-generated ticks\n */\nfunction determineUnitForAutoTicks(minUnit, min, max, capacity) {\n var ilen = UNITS.length;\n var i, interval, factor;\n\n for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n interval = INTERVALS[UNITS[i]];\n factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER;\n\n if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n return UNITS[i];\n }\n }\n\n return UNITS[ilen - 1];\n}\n\n/**\n * Figures out what unit to format a set of ticks with\n */\nfunction determineUnitForFormatting(ticks, minUnit, min, max) {\n var duration = moment.duration(moment(max).diff(moment(min)));\n var ilen = UNITS.length;\n var i, unit;\n\n for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) {\n unit = UNITS[i];\n if (INTERVALS[unit].common && duration.as(unit) >= ticks.length) {\n return unit;\n }\n }\n\n return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];\n}\n\nfunction determineMajorUnit(unit) {\n for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n if (INTERVALS[UNITS[i]].common) {\n return UNITS[i];\n }\n }\n}\n\n/**\n * Generates a maximum of `capacity` timestamps between min and max, rounded to the\n * `minor` unit, aligned on the `major` unit and using the given scale time `options`.\n * Important: this method can return ticks outside the min and max range, it's the\n * responsibility of the calling code to clamp values if needed.\n */\nfunction generate(min, max, capacity, options) {\n var timeOpts = options.time;\n var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity);\n var major = determineMajorUnit(minor);\n var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize);\n var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n var majorTicksEnabled = options.ticks.major.enabled;\n var interval = INTERVALS[minor];\n var first = moment(min);\n var last = moment(max);\n var ticks = [];\n var time;\n\n if (!stepSize) {\n stepSize = determineStepSize(min, max, minor, capacity);\n }\n\n // For 'week' unit, handle the first day of week option\n if (weekday) {\n first = first.isoWeekday(weekday);\n last = last.isoWeekday(weekday);\n }\n\n // Align first/last ticks on unit\n first = first.startOf(weekday ? 'day' : minor);\n last = last.startOf(weekday ? 'day' : minor);\n\n // Make sure that the last tick include max\n if (last < max) {\n last.add(1, minor);\n }\n\n time = moment(first);\n\n if (majorTicksEnabled && major && !weekday && !timeOpts.round) {\n // Align the first tick on the previous `minor` unit aligned on the `major` unit:\n // we first aligned time on the previous `major` unit then add the number of full\n // stepSize there is between first and the previous major time.\n time.startOf(major);\n time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor);\n }\n\n for (; time < last; time.add(stepSize, minor)) {\n ticks.push(+time);\n }\n\n ticks.push(+time);\n\n return ticks;\n}\n\n/**\n * Returns the right and left offsets from edges in the form of {left, right}.\n * Offsets are added when the `offset` option is true.\n */\nfunction computeOffsets(table, ticks, min, max, options) {\n var left = 0;\n var right = 0;\n var upper, lower;\n\n if (options.offset && ticks.length) {\n if (!options.time.min) {\n upper = ticks.length > 1 ? ticks[1] : max;\n lower = ticks[0];\n left = (\n interpolate(table, 'time', upper, 'pos') -\n interpolate(table, 'time', lower, 'pos')\n ) / 2;\n }\n if (!options.time.max) {\n upper = ticks[ticks.length - 1];\n lower = ticks.length > 1 ? ticks[ticks.length - 2] : min;\n right = (\n interpolate(table, 'time', upper, 'pos') -\n interpolate(table, 'time', lower, 'pos')\n ) / 2;\n }\n }\n\n return {left: left, right: right};\n}\n\nfunction ticksFromTimestamps(values, majorUnit) {\n var ticks = [];\n var i, ilen, value, major;\n\n for (i = 0, ilen = values.length; i < ilen; ++i) {\n value = values[i];\n major = majorUnit ? value === +moment(value).startOf(majorUnit) : false;\n\n ticks.push({\n value: value,\n major: major\n });\n }\n\n return ticks;\n}\n\nmodule.exports = function(Chart) {\n\n var defaultConfig = {\n position: 'bottom',\n\n /**\n * Data distribution along the scale:\n * - 'linear': data are spread according to their time (distances can vary),\n * - 'series': data are spread at the same distance from each other.\n * @see https://github.com/chartjs/Chart.js/pull/4507\n * @since 2.7.0\n */\n distribution: 'linear',\n\n /**\n * Scale boundary strategy (bypassed by min/max time options)\n * - `data`: make sure data are fully visible, ticks outside are removed\n * - `ticks`: make sure ticks are fully visible, data outside are truncated\n * @see https://github.com/chartjs/Chart.js/pull/4556\n * @since 2.7.0\n */\n bounds: 'data',\n\n time: {\n parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment\n format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/\n unit: false, // false == automatic or override with week, month, year, etc.\n round: false, // none, or override with week, month, year, etc.\n displayFormat: false, // DEPRECATED\n isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/\n minUnit: 'millisecond',\n\n // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/\n displayFormats: {\n millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM,\n second: 'h:mm:ss a', // 11:20:01 AM\n minute: 'h:mm a', // 11:20 AM\n hour: 'hA', // 5PM\n day: 'MMM D', // Sep 4\n week: 'll', // Week 46, or maybe \"[W]WW - YYYY\" ?\n month: 'MMM YYYY', // Sept 2015\n quarter: '[Q]Q - YYYY', // Q3\n year: 'YYYY' // 2015\n },\n },\n ticks: {\n autoSkip: false,\n\n /**\n * Ticks generation input values:\n * - 'auto': generates \"optimal\" ticks based on scale size and time options.\n * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\n * - 'labels': generates ticks from user given `data.labels` values ONLY.\n * @see https://github.com/chartjs/Chart.js/pull/4507\n * @since 2.7.0\n */\n source: 'auto',\n\n major: {\n enabled: false\n }\n }\n };\n\n var TimeScale = Chart.Scale.extend({\n initialize: function() {\n if (!moment) {\n throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');\n }\n\n this.mergeTicksOptions();\n\n Chart.Scale.prototype.initialize.call(this);\n },\n\n update: function() {\n var me = this;\n var options = me.options;\n\n // DEPRECATIONS: output a message only one time per update\n if (options.time && options.time.format) {\n console.warn('options.time.format is deprecated and replaced by options.time.parser.');\n }\n\n return Chart.Scale.prototype.update.apply(me, arguments);\n },\n\n /**\n * Allows data to be referenced via 't' attribute\n */\n getRightValue: function(rawValue) {\n if (rawValue && rawValue.t !== undefined) {\n rawValue = rawValue.t;\n }\n return Chart.Scale.prototype.getRightValue.call(this, rawValue);\n },\n\n determineDataLimits: function() {\n var me = this;\n var chart = me.chart;\n var timeOpts = me.options.time;\n var min = MAX_INTEGER;\n var max = MIN_INTEGER;\n var timestamps = [];\n var datasets = [];\n var labels = [];\n var i, j, ilen, jlen, data, timestamp;\n\n // Convert labels to timestamps\n for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {\n labels.push(parse(chart.data.labels[i], me));\n }\n\n // Convert data to timestamps\n for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n if (chart.isDatasetVisible(i)) {\n data = chart.data.datasets[i].data;\n\n // Let's consider that all data have the same format.\n if (helpers.isObject(data[0])) {\n datasets[i] = [];\n\n for (j = 0, jlen = data.length; j < jlen; ++j) {\n timestamp = parse(data[j], me);\n timestamps.push(timestamp);\n datasets[i][j] = timestamp;\n }\n } else {\n timestamps.push.apply(timestamps, labels);\n datasets[i] = labels.slice(0);\n }\n } else {\n datasets[i] = [];\n }\n }\n\n if (labels.length) {\n // Sort labels **after** data have been converted\n labels = arrayUnique(labels).sort(sorter);\n min = Math.min(min, labels[0]);\n max = Math.max(max, labels[labels.length - 1]);\n }\n\n if (timestamps.length) {\n timestamps = arrayUnique(timestamps).sort(sorter);\n min = Math.min(min, timestamps[0]);\n max = Math.max(max, timestamps[timestamps.length - 1]);\n }\n\n min = parse(timeOpts.min, me) || min;\n max = parse(timeOpts.max, me) || max;\n\n // In case there is no valid min/max, let's use today limits\n min = min === MAX_INTEGER ? +moment().startOf('day') : min;\n max = max === MIN_INTEGER ? +moment().endOf('day') + 1 : max;\n\n // Make sure that max is strictly higher than min (required by the lookup table)\n me.min = Math.min(min, max);\n me.max = Math.max(min + 1, max);\n\n // PRIVATE\n me._horizontal = me.isHorizontal();\n me._table = [];\n me._timestamps = {\n data: timestamps,\n datasets: datasets,\n labels: labels\n };\n },\n\n buildTicks: function() {\n var me = this;\n var min = me.min;\n var max = me.max;\n var options = me.options;\n var timeOpts = options.time;\n var timestamps = [];\n var ticks = [];\n var i, ilen, timestamp;\n\n switch (options.ticks.source) {\n case 'data':\n timestamps = me._timestamps.data;\n break;\n case 'labels':\n timestamps = me._timestamps.labels;\n break;\n case 'auto':\n default:\n timestamps = generate(min, max, me.getLabelCapacity(min), options);\n }\n\n if (options.bounds === 'ticks' && timestamps.length) {\n min = timestamps[0];\n max = timestamps[timestamps.length - 1];\n }\n\n // Enforce limits with user min/max options\n min = parse(timeOpts.min, me) || min;\n max = parse(timeOpts.max, me) || max;\n\n // Remove ticks outside the min/max range\n for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n timestamp = timestamps[i];\n if (timestamp >= min && timestamp <= max) {\n ticks.push(timestamp);\n }\n }\n\n me.min = min;\n me.max = max;\n\n // PRIVATE\n me._unit = timeOpts.unit || determineUnitForFormatting(ticks, timeOpts.minUnit, me.min, me.max);\n me._majorUnit = determineMajorUnit(me._unit);\n me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);\n me._offsets = computeOffsets(me._table, ticks, min, max, options);\n\n return ticksFromTimestamps(ticks, me._majorUnit);\n },\n\n getLabelForIndex: function(index, datasetIndex) {\n var me = this;\n var data = me.chart.data;\n var timeOpts = me.options.time;\n var label = data.labels && index < data.labels.length ? data.labels[index] : '';\n var value = data.datasets[datasetIndex].data[index];\n\n if (helpers.isObject(value)) {\n label = me.getRightValue(value);\n }\n if (timeOpts.tooltipFormat) {\n label = momentify(label, timeOpts).format(timeOpts.tooltipFormat);\n }\n\n return label;\n },\n\n /**\n * Function to format an individual tick mark\n * @private\n */\n tickFormatFunction: function(tick, index, ticks, formatOverride) {\n var me = this;\n var options = me.options;\n var time = tick.valueOf();\n var formats = options.time.displayFormats;\n var minorFormat = formats[me._unit];\n var majorUnit = me._majorUnit;\n var majorFormat = formats[majorUnit];\n var majorTime = tick.clone().startOf(majorUnit).valueOf();\n var majorTickOpts = options.ticks.major;\n var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime;\n var label = tick.format(formatOverride ? formatOverride : major ? majorFormat : minorFormat);\n var tickOpts = major ? majorTickOpts : options.ticks.minor;\n var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback);\n\n return formatter ? formatter(label, index, ticks) : label;\n },\n\n convertTicksToLabels: function(ticks) {\n var labels = [];\n var i, ilen;\n\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks));\n }\n\n return labels;\n },\n\n /**\n * @private\n */\n getPixelForOffset: function(time) {\n var me = this;\n var size = me._horizontal ? me.width : me.height;\n var start = me._horizontal ? me.left : me.top;\n var pos = interpolate(me._table, 'time', time, 'pos');\n\n return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right);\n },\n\n getPixelForValue: function(value, index, datasetIndex) {\n var me = this;\n var time = null;\n\n if (index !== undefined && datasetIndex !== undefined) {\n time = me._timestamps.datasets[datasetIndex][index];\n }\n\n if (time === null) {\n time = parse(value, me);\n }\n\n if (time !== null) {\n return me.getPixelForOffset(time);\n }\n },\n\n getPixelForTick: function(index) {\n var ticks = this.getTicks();\n return index >= 0 && index < ticks.length ?\n this.getPixelForOffset(ticks[index].value) :\n null;\n },\n\n getValueForPixel: function(pixel) {\n var me = this;\n var size = me._horizontal ? me.width : me.height;\n var start = me._horizontal ? me.left : me.top;\n var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right;\n var time = interpolate(me._table, 'pos', pos, 'time');\n\n return moment(time);\n },\n\n /**\n * Crude approximation of what the label width might be\n * @private\n */\n getLabelWidth: function(label) {\n var me = this;\n var ticksOpts = me.options.ticks;\n var tickLabelWidth = me.ctx.measureText(label).width;\n var angle = helpers.toRadians(ticksOpts.maxRotation);\n var cosRotation = Math.cos(angle);\n var sinRotation = Math.sin(angle);\n var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize);\n\n return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);\n },\n\n /**\n * @private\n */\n getLabelCapacity: function(exampleTime) {\n var me = this;\n\n var formatOverride = me.options.time.displayFormats.millisecond; // Pick the longest format for guestimation\n\n var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, [], formatOverride);\n var tickLabelWidth = me.getLabelWidth(exampleLabel);\n var innerWidth = me.isHorizontal() ? me.width : me.height;\n\n return Math.floor(innerWidth / tickLabelWidth);\n }\n });\n\n Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig);\n};\n\n},{\"25\":25,\"45\":45,\"6\":6}]},{},[7])(7)\n});";
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