55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
"use strict";
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// deprecated
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// @see https://drafts.fxtf.org/css-masking/#clip-property
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const parsers = require("../parsers");
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const strings = require("../utils/strings");
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module.exports.parse = function parse(v) {
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if (v === "") {
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return v;
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}
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const val = parsers.parseKeyword(v, ["auto"]);
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if (val) {
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return val;
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}
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// parse legacy <shape>
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v = strings.asciiLowercase(v);
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const matches = v.match(/^rect\(\s*(.*)\s*\)$/);
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if (!matches) {
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return;
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}
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const parts = matches[1].split(/\s*,\s*/);
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if (parts.length !== 4) {
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return;
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}
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const valid = parts.every(function (part, index) {
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const measurement = parsers.parseMeasurement(part.trim());
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parts[index] = measurement;
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return typeof measurement === "string";
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});
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if (!valid) {
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return;
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}
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return `rect(${parts.join(", ")})`;
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};
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module.exports.isValid = function isValid(v) {
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if (v === "") {
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return true;
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}
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return typeof module.exports.parse(v) === "string";
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};
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module.exports.definition = {
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set(v) {
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v = parsers.prepareValue(v, this._global);
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this._setProperty("clip", module.exports.parse(v));
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},
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get() {
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return this.getPropertyValue("clip");
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},
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enumerable: true,
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configurable: true
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};
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