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39 lines
609 B
39 lines
609 B
'use strict';
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const keywordSets = require('../reference/keywordSets');
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const valueParser = require('postcss-value-parser');
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/**
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* Check if a word is a font-size value.
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*
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* @param {string} word
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* @returns {boolean}
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*/
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module.exports = function (word) {
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if (!word) {
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return false;
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}
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if (keywordSets.fontSizeKeywords.has(word)) {
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return true;
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}
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const numberUnit = valueParser.unit(word);
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if (!numberUnit) {
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return false;
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}
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const unit = numberUnit.unit;
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if (unit === '%') {
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return true;
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}
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if (keywordSets.lengthUnits.has(unit.toLowerCase())) {
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return true;
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}
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return false;
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};
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