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- var COLORS = {
- aliceblue: '#f0f8ff',
- antiquewhite: '#faebd7',
- aqua: '#0ff',
- aquamarine: '#7fffd4',
- azure: '#f0ffff',
- beige: '#f5f5dc',
- bisque: '#ffe4c4',
- black: '#000',
- blanchedalmond: '#ffebcd',
- blue: '#00f',
- blueviolet: '#8a2be2',
- brown: '#a52a2a',
- burlywood: '#deb887',
- cadetblue: '#5f9ea0',
- chartreuse: '#7fff00',
- chocolate: '#d2691e',
- coral: '#ff7f50',
- cornflowerblue: '#6495ed',
- cornsilk: '#fff8dc',
- crimson: '#dc143c',
- cyan: '#0ff',
- darkblue: '#00008b',
- darkcyan: '#008b8b',
- darkgoldenrod: '#b8860b',
- darkgray: '#a9a9a9',
- darkgreen: '#006400',
- darkgrey: '#a9a9a9',
- darkkhaki: '#bdb76b',
- darkmagenta: '#8b008b',
- darkolivegreen: '#556b2f',
- darkorange: '#ff8c00',
- darkorchid: '#9932cc',
- darkred: '#8b0000',
- darksalmon: '#e9967a',
- darkseagreen: '#8fbc8f',
- darkslateblue: '#483d8b',
- darkslategray: '#2f4f4f',
- darkslategrey: '#2f4f4f',
- darkturquoise: '#00ced1',
- darkviolet: '#9400d3',
- deeppink: '#ff1493',
- deepskyblue: '#00bfff',
- dimgray: '#696969',
- dimgrey: '#696969',
- dodgerblue: '#1e90ff',
- firebrick: '#b22222',
- floralwhite: '#fffaf0',
- forestgreen: '#228b22',
- fuchsia: '#f0f',
- gainsboro: '#dcdcdc',
- ghostwhite: '#f8f8ff',
- gold: '#ffd700',
- goldenrod: '#daa520',
- gray: '#808080',
- green: '#008000',
- greenyellow: '#adff2f',
- grey: '#808080',
- honeydew: '#f0fff0',
- hotpink: '#ff69b4',
- indianred: '#cd5c5c',
- indigo: '#4b0082',
- ivory: '#fffff0',
- khaki: '#f0e68c',
- lavender: '#e6e6fa',
- lavenderblush: '#fff0f5',
- lawngreen: '#7cfc00',
- lemonchiffon: '#fffacd',
- lightblue: '#add8e6',
- lightcoral: '#f08080',
- lightcyan: '#e0ffff',
- lightgoldenrodyellow: '#fafad2',
- lightgray: '#d3d3d3',
- lightgreen: '#90ee90',
- lightgrey: '#d3d3d3',
- lightpink: '#ffb6c1',
- lightsalmon: '#ffa07a',
- lightseagreen: '#20b2aa',
- lightskyblue: '#87cefa',
- lightslategray: '#778899',
- lightslategrey: '#778899',
- lightsteelblue: '#b0c4de',
- lightyellow: '#ffffe0',
- lime: '#0f0',
- limegreen: '#32cd32',
- linen: '#faf0e6',
- magenta: '#ff00ff',
- maroon: '#800000',
- mediumaquamarine: '#66cdaa',
- mediumblue: '#0000cd',
- mediumorchid: '#ba55d3',
- mediumpurple: '#9370db',
- mediumseagreen: '#3cb371',
- mediumslateblue: '#7b68ee',
- mediumspringgreen: '#00fa9a',
- mediumturquoise: '#48d1cc',
- mediumvioletred: '#c71585',
- midnightblue: '#191970',
- mintcream: '#f5fffa',
- mistyrose: '#ffe4e1',
- moccasin: '#ffe4b5',
- navajowhite: '#ffdead',
- navy: '#000080',
- oldlace: '#fdf5e6',
- olive: '#808000',
- olivedrab: '#6b8e23',
- orange: '#ffa500',
- orangered: '#ff4500',
- orchid: '#da70d6',
- palegoldenrod: '#eee8aa',
- palegreen: '#98fb98',
- paleturquoise: '#afeeee',
- palevioletred: '#db7093',
- papayawhip: '#ffefd5',
- peachpuff: '#ffdab9',
- peru: '#cd853f',
- pink: '#ffc0cb',
- plum: '#dda0dd',
- powderblue: '#b0e0e6',
- purple: '#800080',
- rebeccapurple: '#663399',
- red: '#f00',
- rosybrown: '#bc8f8f',
- royalblue: '#4169e1',
- saddlebrown: '#8b4513',
- salmon: '#fa8072',
- sandybrown: '#f4a460',
- seagreen: '#2e8b57',
- seashell: '#fff5ee',
- sienna: '#a0522d',
- silver: '#c0c0c0',
- skyblue: '#87ceeb',
- slateblue: '#6a5acd',
- slategray: '#708090',
- slategrey: '#708090',
- snow: '#fffafa',
- springgreen: '#00ff7f',
- steelblue: '#4682b4',
- tan: '#d2b48c',
- teal: '#008080',
- thistle: '#d8bfd8',
- tomato: '#ff6347',
- turquoise: '#40e0d0',
- violet: '#ee82ee',
- wheat: '#f5deb3',
- white: '#fff',
- whitesmoke: '#f5f5f5',
- yellow: '#ff0',
- yellowgreen: '#9acd32'
- };
-
- var toHex = {};
- var toName = {};
-
- for (var name in COLORS) {
- var hex = COLORS[name];
-
- if (name.length < hex.length) {
- toName[hex] = name;
- } else {
- toHex[name] = hex;
- }
- }
-
- var toHexPattern = new RegExp('(^| |,|\\))(' + Object.keys(toHex).join('|') + ')( |,|\\)|$)', 'ig');
- var toNamePattern = new RegExp('(' + Object.keys(toName).join('|') + ')([^a-f0-9]|$)', 'ig');
-
- function hexConverter(match, prefix, colorValue, suffix) {
- return prefix + toHex[colorValue.toLowerCase()] + suffix;
- }
-
- function nameConverter(match, colorValue, suffix) {
- return toName[colorValue.toLowerCase()] + suffix;
- }
-
- function shortenHex(value) {
- var hasHex = value.indexOf('#') > -1;
- var shortened = value.replace(toHexPattern, hexConverter);
-
- if (shortened != value) {
- shortened = shortened.replace(toHexPattern, hexConverter);
- }
-
- return hasHex ?
- shortened.replace(toNamePattern, nameConverter) :
- shortened;
- }
-
- module.exports = shortenHex;
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