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38 lines
609 B
38 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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