33 lines
896 B
JavaScript
33 lines
896 B
JavaScript
'use strict';
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const types = require('../../tokenizer/types.cjs');
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// https://drafts.csswg.org/css-contain-3/#container-rule
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// The keywords `none`, `and`, `not`, and `or` are excluded from the <custom-ident> above.
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const nonContainerNameKeywords = new Set(['none', 'and', 'not', 'or']);
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const container = {
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parse: {
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prelude() {
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const children = this.createList();
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if (this.tokenType === types.Ident) {
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const name = this.substring(this.tokenStart, this.tokenEnd);
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if (!nonContainerNameKeywords.has(name.toLowerCase())) {
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children.push(this.Identifier());
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}
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}
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children.push(this.Condition('container'));
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return children;
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},
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block(nested = false) {
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return this.Block(nested);
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}
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}
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};
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module.exports = container;
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