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84 lines
2.5 KiB
84 lines
2.5 KiB
"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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parseBoxShadowValue: ()=>parseBoxShadowValue,
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formatBoxShadowValue: ()=>formatBoxShadowValue
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});
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const _splitAtTopLevelOnly = require("./splitAtTopLevelOnly");
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let KEYWORDS = new Set([
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"inset",
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"inherit",
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"initial",
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"revert",
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"unset"
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]);
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let SPACE = /\ +(?![^(]*\))/g // Similar to the one above, but with spaces instead.
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;
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let LENGTH = /^-?(\d+|\.\d+)(.*?)$/g;
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function parseBoxShadowValue(input) {
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let shadows = Array.from((0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(input, ","));
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return shadows.map((shadow)=>{
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let value = shadow.trim();
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let result = {
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raw: value
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};
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let parts = value.split(SPACE);
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let seen = new Set();
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for (let part of parts){
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// Reset index, since the regex is stateful.
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LENGTH.lastIndex = 0;
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// Keyword
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if (!seen.has("KEYWORD") && KEYWORDS.has(part)) {
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result.keyword = part;
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seen.add("KEYWORD");
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} else if (LENGTH.test(part)) {
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if (!seen.has("X")) {
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result.x = part;
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seen.add("X");
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} else if (!seen.has("Y")) {
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result.y = part;
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seen.add("Y");
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} else if (!seen.has("BLUR")) {
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result.blur = part;
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seen.add("BLUR");
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} else if (!seen.has("SPREAD")) {
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result.spread = part;
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seen.add("SPREAD");
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}
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} else {
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if (!result.color) {
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result.color = part;
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} else {
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if (!result.unknown) result.unknown = [];
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result.unknown.push(part);
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}
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}
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}
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// Check if valid
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result.valid = result.x !== undefined && result.y !== undefined;
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return result;
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});
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}
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function formatBoxShadowValue(shadows) {
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return shadows.map((shadow)=>{
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if (!shadow.valid) {
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return shadow.raw;
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}
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return [
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shadow.keyword,
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shadow.x,
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shadow.y,
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shadow.blur,
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shadow.spread,
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shadow.color
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].filter(Boolean).join(" ");
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}).join(", ");
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}
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