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21 KiB
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21 KiB
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{"ast":null,"code":"/* eslint-disable @typescript-eslint/no-redundant-type-constituents */\nimport { convertHexToDecimal, hslToRgb, hsvToRgb, parseIntFromHex, rgbToRgb } from './conversion.js';\nimport { names } from './css-color-names.js';\nimport { boundAlpha, convertToPercentage } from './util.js';\n/**\n * Given a string or object, convert that input to RGB\n *\n * Possible string inputs:\n * ```\n * \"red\"\n * \"#f00\" or \"f00\"\n * \"#ff0000\" or \"ff0000\"\n * \"#ff000000\" or \"ff000000\"\n * \"rgb 255 0 0\" or \"rgb (255, 0, 0)\"\n * \"rgb 1.0 0 0\" or \"rgb (1, 0, 0)\"\n * \"rgba (255, 0, 0, 1)\" or \"rgba 255, 0, 0, 1\"\n * \"rgba (1.0, 0, 0, 1)\" or \"rgba 1.0, 0, 0, 1\"\n * \"hsl(0, 100%, 50%)\" or \"hsl 0 100% 50%\"\n * \"hsla(0, 100%, 50%, 1)\" or \"hsla 0 100% 50%, 1\"\n * \"hsv(0, 100%, 100%)\" or \"hsv 0 100% 100%\"\n * ```\n */\nexport function inputToRGB(color) {\n var rgb = {\n r: 0,\n g: 0,\n b: 0\n };\n var a = 1;\n var s = null;\n var v = null;\n var l = null;\n var ok = false;\n var format = false;\n if (typeof color === 'string') {\n color = stringInputToObject(color);\n }\n if (typeof color === 'object') {\n if (isValidCSSUnit(color.r) && isValidCSSUnit(color.g) && isValidCSSUnit(color.b)) {\n rgb = rgbToRgb(color.r, color.g, color.b);\n ok = true;\n format = String(color.r).substr(-1) === '%' ? 'prgb' : 'rgb';\n } else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.v)) {\n s = convertToPercentage(color.s);\n v = convertToPercentage(color.v);\n rgb = hsvToRgb(color.h, s, v);\n ok = true;\n format = 'hsv';\n } else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.l)) {\n s = convertToPercentage(color.s);\n l = convertToPercentage(color.l);\n rgb = hslToRgb(color.h, s, l);\n ok = true;\n format = 'hsl';\n }\n if (Object.prototype.hasOwnProperty.call(color, 'a')) {\n a = color.a;\n }\n }\n a = boundAlpha(a);\n return {\n ok: ok,\n format: color.format || format,\n r: Math.min(255, Math.max(rgb.r, 0)),\n g: Math.min(255, Math.max(rgb.g, 0)),\n b: Math.min(255, Math.max(rgb.b, 0)),\n a: a\n };\n}\n// <http://www.w3.org/TR/css3-values/#integers>\nvar CSS_INTEGER = '[-\\\\+]?\\\\d+%?';\n// <http://www.w3.org/TR/css3-values/#number-value>\nvar CSS_NUMBER = '[-\\\\+]?\\\\d*\\\\.\\\\d+%?';\n// Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome.\nvar CSS_UNIT = \"(?:\".concat(CSS_NUMBER, \")|(?:\").concat(CSS_INTEGER, \")\");\n// Actual matching.\n// Parentheses and commas are optional, but not required.\n// Whitespace can take the place of commas or opening paren\nvar PERMISSIVE_MATCH3 = \"[\\\\s|\\\\(]+(\".concat(CSS_UNIT, \")[,|\\\\s]+(\").concat(CSS_UNIT, \")[,|\\\\s]+(\").concat(CSS_UNIT, \")\\\\s*\\\\)?\");\nvar PERMISSIVE_MATCH4 = \"[\\\\s|\\\\(]+(\".concat(CSS_UNIT, \")[,|\\\\s]+(\").concat(CSS_UNIT, \")[,|\\\\s]+(\").concat(CSS_UNIT, \")[,|\\\\s]+(\").concat(CSS_UNIT, \")\\\\s*\\\\)?\");\nvar matchers = {\n CSS_UNIT: new RegExp(CSS_UNIT),\n rgb: new RegExp('rgb' + PERMISSIVE_MATCH3),\n rgba: new RegExp('rgba' + PERMISSIVE_MATCH4),\n hsl: new RegExp('hsl' + PERMISSIVE_MATCH3),\n hsla: new RegExp('hsla' + PERMISSIVE_MATCH4),\n hsv: new RegExp('hsv' + PERMISSIVE_MATCH3),\n hsva: new RegExp('hsva' + PERMISSIVE_MATCH4),\n hex3: /^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,\n hex6: /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,\n hex4: /^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,\n hex8: /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/\n};\n/**\n * Permissive string parsing. Take in a number of formats, and output an object\n * based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`\n */\nexport function stringInputToObject(color) {\n color = color.trim().toLowerCase();\n if (color.length === 0) {\n return false;\n }\n var named = false;\n if (names[colo
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