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31 lines
746 B
31 lines
746 B
2 years ago
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'use strict';
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const styleSearch = require('style-search');
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const rangeOperators = ['>=', '<=', '>', '<', '='];
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/** @typedef {import('style-search').StyleSearchMatch} StyleSearchMatch */
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/**
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* @template {import('postcss').AtRule} T
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* @param {T} atRule
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* @param {(match: StyleSearchMatch, params: string, atRule: T) => void} cb
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*/
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module.exports = function findMediaOperator(atRule, cb) {
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if (atRule.name.toLowerCase() !== 'media') {
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return;
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}
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const params = atRule.raws.params ? atRule.raws.params.raw : atRule.params;
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styleSearch({ source: params, target: rangeOperators }, (match) => {
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const before = params[match.startIndex - 1];
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if (before === '>' || before === '<') {
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return;
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}
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cb(match, params, atRule);
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});
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};
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