| 1 | {"version":3,"file":"color.js","sources":["../node_modules/@babel/runtime/helpers/isNativeFunction.js","../node_modules/@babel/runtime/helpers/isNativeReflectConstruct.js","../node_modules/@babel/runtime/helpers/construct.js","../node_modules/@babel/runtime/helpers/wrapNativeSuper.js","../src/utils/color.js"],"sourcesContent":["function _isNativeFunction(fn) {\n return Function.toString.call(fn).indexOf(\"[native code]\") !== -1;\n}\n\nmodule.exports = _isNativeFunction;","function _isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n\n try {\n Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}\n\nmodule.exports = _isNativeReflectConstruct;","var setPrototypeOf = require(\"./setPrototypeOf\");\n\nvar isNativeReflectConstruct = require(\"./isNativeReflectConstruct\");\n\nfunction _construct(Parent, args, Class) {\n if (isNativeReflectConstruct()) {\n module.exports = _construct = Reflect.construct;\n } else {\n module.exports = _construct = function _construct(Parent, args, Class) {\n var a = [null];\n a.push.apply(a, args);\n var Constructor = Function.bind.apply(Parent, a);\n var instance = new Constructor();\n if (Class) setPrototypeOf(instance, Class.prototype);\n return instance;\n };\n }\n\n return _construct.apply(null, arguments);\n}\n\nmodule.exports = _construct;","var getPrototypeOf = require(\"./getPrototypeOf\");\n\nvar setPrototypeOf = require(\"./setPrototypeOf\");\n\nvar isNativeFunction = require(\"./isNativeFunction\");\n\nvar construct = require(\"./construct\");\n\nfunction _wrapNativeSuper(Class) {\n var _cache = typeof Map === \"function\" ? new Map() : undefined;\n\n module.exports = _wrapNativeSuper = function _wrapNativeSuper(Class) {\n if (Class === null || !isNativeFunction(Class)) return Class;\n\n if (typeof Class !== \"function\") {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n\n if (typeof _cache !== \"undefined\") {\n if (_cache.has(Class)) return _cache.get(Class);\n\n _cache.set(Class, Wrapper);\n }\n\n function Wrapper() {\n return construct(Class, arguments, getPrototypeOf(this).constructor);\n }\n\n Wrapper.prototype = Object.create(Class.prototype, {\n constructor: {\n value: Wrapper,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n return setPrototypeOf(Wrapper, Class);\n };\n\n return _wrapNativeSuper(Class);\n}\n\nmodule.exports = _wrapNativeSuper;","const RGB_HEX_RE = /^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/\n\nfunction rgbFromRgbInt(rgbInt) {\n return {\n r: Math.floor(rgbInt / Math.pow(256, 2)),\n g: Math.floor((rgbInt / 256) % 256),\n b: Math.floor(rgbInt % 256),\n }\n}\n\nfunction normalizeHexColor(value) {\n const matches = value ? String(value).match(RGB_HEX_RE) : null\n\n if (matches === null) {\n throw new Error(\n `color(): the value must be a valid CSS hexadecimal color. Received: ${value}`\n )\n }\n\n const hexColor = matches[1].toUpperCase()\n\n if (hexColor.length === 3) {\n return [...hexColor].map(c => c + c).join('')\n }\n\n return hexColor\n}\n\nclass Color extends String {\n constructor(value) {\n super(value)\n\n const hexColor = normalizeHexColor(value)\n const { r, g, b } = rgbFromRgbInt(parseInt(hexColor, 16))\n\n this.r = r\n this.g = g\n this.b = b\n this.hexColor = hexColor\n }\n toString() {\n return this.toCssRgb()\n }\n valueOf() {\n return this.toCssRgb()\n }\n toArray() {\n return [this.r, this.g, this.b]\n }\n toObject() {\n const { r, g, b } = this\n return { r, g, b }\n }\n alpha(alpha) {\n return this.toCssRgb({ alpha })\n }\n toCssRgb({ alpha = 1 } = {}) {\n if (alpha === 1) {\n return `#${this.hexColor}`\n }\n alpha = Math.max(0, Math.min(1, alpha))\n return `rgba(${this.r}, ${this.g}, ${this.b}, ${alpha})`\n }\n}\n\nfunction color(value) {\n return new Color(value)\n}\n\nexport default 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