117 lines
3.8 KiB
Plaintext
117 lines
3.8 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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parseColor: function() {
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return parseColor;
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},
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formatColor: function() {
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return formatColor;
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}
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});
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const _colorNames = /*#__PURE__*/ _interop_require_default(require("./colorNames"));
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function _interop_require_default(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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let HEX = /^#([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})?$/i;
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let SHORT_HEX = /^#([a-f\d])([a-f\d])([a-f\d])([a-f\d])?$/i;
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let VALUE = /(?:\d+|\d*\.\d+)%?/;
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let SEP = /(?:\s*,\s*|\s+)/;
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let ALPHA_SEP = /\s*[,/]\s*/;
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let CUSTOM_PROPERTY = /var\(--(?:[^ )]*?)(?:,(?:[^ )]*?|var\(--[^ )]*?\)))?\)/;
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let RGB = new RegExp(`^(rgba?)\\(\\s*(${VALUE.source}|${CUSTOM_PROPERTY.source})(?:${SEP.source}(${VALUE.source}|${CUSTOM_PROPERTY.source}))?(?:${SEP.source}(${VALUE.source}|${CUSTOM_PROPERTY.source}))?(?:${ALPHA_SEP.source}(${VALUE.source}|${CUSTOM_PROPERTY.source}))?\\s*\\)$`);
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let HSL = new RegExp(`^(hsla?)\\(\\s*((?:${VALUE.source})(?:deg|rad|grad|turn)?|${CUSTOM_PROPERTY.source})(?:${SEP.source}(${VALUE.source}|${CUSTOM_PROPERTY.source}))?(?:${SEP.source}(${VALUE.source}|${CUSTOM_PROPERTY.source}))?(?:${ALPHA_SEP.source}(${VALUE.source}|${CUSTOM_PROPERTY.source}))?\\s*\\)$`);
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function parseColor(value, { loose =false } = {}) {
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var _match_, _match__toString;
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if (typeof value !== "string") {
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return null;
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}
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value = value.trim();
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if (value === "transparent") {
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return {
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mode: "rgb",
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color: [
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"0",
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"0",
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"0"
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],
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alpha: "0"
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};
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}
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if (value in _colorNames.default) {
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return {
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mode: "rgb",
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color: _colorNames.default[value].map((v)=>v.toString())
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};
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}
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let hex = value.replace(SHORT_HEX, (_, r, g, b, a)=>[
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"#",
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r,
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r,
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g,
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g,
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b,
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b,
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a ? a + a : ""
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].join("")).match(HEX);
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if (hex !== null) {
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return {
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mode: "rgb",
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color: [
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parseInt(hex[1], 16),
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parseInt(hex[2], 16),
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parseInt(hex[3], 16)
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].map((v)=>v.toString()),
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alpha: hex[4] ? (parseInt(hex[4], 16) / 255).toString() : undefined
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};
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}
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var _value_match;
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let match = (_value_match = value.match(RGB)) !== null && _value_match !== void 0 ? _value_match : value.match(HSL);
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if (match === null) {
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return null;
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}
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let color = [
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match[2],
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match[3],
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match[4]
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].filter(Boolean).map((v)=>v.toString());
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// rgba(var(--my-color), 0.1)
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// hsla(var(--my-color), 0.1)
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if (color.length === 2 && color[0].startsWith("var(")) {
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return {
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mode: match[1],
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color: [
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color[0]
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],
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alpha: color[1]
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};
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}
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if (!loose && color.length !== 3) {
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return null;
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}
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if (color.length < 3 && !color.some((part)=>/^var\(.*?\)$/.test(part))) {
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return null;
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}
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return {
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mode: match[1],
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color,
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alpha: (_match_ = match[5]) === null || _match_ === void 0 ? void 0 : (_match__toString = _match_.toString) === null || _match__toString === void 0 ? void 0 : _match__toString.call(_match_)
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};
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}
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function formatColor({ mode , color , alpha }) {
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let hasAlpha = alpha !== undefined;
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if (mode === "rgba" || mode === "hsla") {
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return `${mode}(${color.join(", ")}${hasAlpha ? `, ${alpha}` : ""})`;
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}
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return `${mode}(${color.join(" ")}${hasAlpha ? ` / ${alpha}` : ""})`;
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}
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