40 lines
902 B
JavaScript
40 lines
902 B
JavaScript
'use strict';
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const { unit } = require('postcss-value-parser');
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/**
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* @param {string} value
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* @return {boolean}
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*/
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function hasUnit(value) {
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const parsedVal = unit(value);
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return parsedVal && parsedVal.unit !== '';
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}
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/**
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* @param {import('postcss-value-parser').ParsedValue} columns
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* @return {import('postcss-value-parser').ParsedValue | string}
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*/
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module.exports = (columns) => {
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/** @type {string[]} */
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const widths = [];
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/** @type {string[]} */
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const other = [];
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columns.walk((node) => {
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const { type, value } = node;
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if (type === 'word') {
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if (hasUnit(value)) {
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widths.push(value);
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} else {
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other.push(value);
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}
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}
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});
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// only transform if declaration is not invalid or a single value
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if (other.length === 1 && widths.length === 1) {
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return `${widths[0].trimStart()} ${other[0].trimStart()}`;
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}
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return columns;
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};
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