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69 KiB
1 line
69 KiB
4 years ago
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{"ast":null,"code":"/* MIT license */\nvar cssKeywords = require('color-name'); // NOTE: conversions should only return primitive values (i.e. arrays, or\n// values that give correct `typeof` results).\n// do not use box values types (i.e. Number(), String(), etc.)\n\n\nvar reverseKeywords = {};\n\nfor (var key in cssKeywords) {\n if (cssKeywords.hasOwnProperty(key)) {\n reverseKeywords[cssKeywords[key]] = key;\n }\n}\n\nvar convert = module.exports = {\n rgb: {\n channels: 3,\n labels: 'rgb'\n },\n hsl: {\n channels: 3,\n labels: 'hsl'\n },\n hsv: {\n channels: 3,\n labels: 'hsv'\n },\n hwb: {\n channels: 3,\n labels: 'hwb'\n },\n cmyk: {\n channels: 4,\n labels: 'cmyk'\n },\n xyz: {\n channels: 3,\n labels: 'xyz'\n },\n lab: {\n channels: 3,\n labels: 'lab'\n },\n lch: {\n channels: 3,\n labels: 'lch'\n },\n hex: {\n channels: 1,\n labels: ['hex']\n },\n keyword: {\n channels: 1,\n labels: ['keyword']\n },\n ansi16: {\n channels: 1,\n labels: ['ansi16']\n },\n ansi256: {\n channels: 1,\n labels: ['ansi256']\n },\n hcg: {\n channels: 3,\n labels: ['h', 'c', 'g']\n },\n apple: {\n channels: 3,\n labels: ['r16', 'g16', 'b16']\n },\n gray: {\n channels: 1,\n labels: ['gray']\n }\n}; // hide .channels and .labels properties\n\nfor (var model in convert) {\n if (convert.hasOwnProperty(model)) {\n if (!('channels' in convert[model])) {\n throw new Error('missing channels property: ' + model);\n }\n\n if (!('labels' in convert[model])) {\n throw new Error('missing channel labels property: ' + model);\n }\n\n if (convert[model].labels.length !== convert[model].channels) {\n throw new Error('channel and label counts mismatch: ' + model);\n }\n\n var channels = convert[model].channels;\n var labels = convert[model].labels;\n delete convert[model].channels;\n delete convert[model].labels;\n Object.defineProperty(convert[model], 'channels', {\n value: channels\n });\n Object.defineProperty(convert[model], 'labels', {\n value: labels\n });\n }\n}\n\nconvert.rgb.hsl = function (rgb) {\n var r = rgb[0] / 255;\n var g = rgb[1] / 255;\n var b = rgb[2] / 255;\n var min = Math.min(r, g, b);\n var max = Math.max(r, g, b);\n var delta = max - min;\n var h;\n var s;\n var 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\n h = Math.min(h * 60, 360);\n\n if (h < 0) {\n h += 360;\n }\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\n return [h, s * 100, l * 100];\n};\n\nconvert.rgb.hsv = function (rgb) {\n var rdif;\n var gdif;\n var bdif;\n var h;\n var s;\n var r = rgb[0] / 255;\n var g = rgb[1] / 255;\n var b = rgb[2] / 255;\n var v = Math.max(r, g, b);\n var diff = v - Math.min(r, g, b);\n\n var diffc = function (c) {\n return (v - c) / 6 / diff + 1 / 2;\n };\n\n if (diff === 0) {\n h = s = 0;\n } else {\n s = diff / v;\n rdif = diffc(r);\n gdif = diffc(g);\n bdif = diffc(b);\n\n if (r === v) {\n h = bdif - gdif;\n } else if (g === v) {\n h = 1 / 3 + rdif - bdif;\n } else if (b === v) {\n h = 2 / 3 + gdif - rdif;\n }\n\n if (h < 0) {\n h += 1;\n } else if (h > 1) {\n h -= 1;\n }\n }\n\n return [h * 360, s * 100, v * 100];\n};\n\nconvert.rgb.hwb = function (rgb) {\n var r = rgb[0];\n var g = rgb[1];\n var b = rgb[2];\n var h = convert.rgb.hsl(rgb)[0];\n var w = 1 / 255 * Math.min(r, Math.min(g, b));\n b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));\n return [h, w * 100, b * 100];\n};\n\nconvert.rgb.cmyk = function (rgb) {\n var r = rgb[0] / 255;\n var g = rgb[1] / 255;\n var b = rgb[2] / 255;\n var c;\n var m;\n var y;\n var k;\n k = Math.min(1 - r,
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