64 lines
1.1 KiB
JavaScript
64 lines
1.1 KiB
JavaScript
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'use strict';
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const blurInterpolation = require('./blurInterpolation');
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const isStandardSyntaxValue = require('./isStandardSyntaxValue');
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const valueParser = require('postcss-value-parser');
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/**
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* Get Dimension from value node;
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* `unit` and `number` return null if neither is found
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*
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* @param {import('postcss-value-parser').Node} node
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*
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* @returns {{unit: null, number: null} | valueParser.Dimension}
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*/
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module.exports = function getDimension(node) {
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if (!node || !node.value) {
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return {
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unit: null,
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number: null,
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};
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}
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// Ignore non-word nodes
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if (node.type !== 'word') {
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return {
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unit: null,
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number: null,
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};
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}
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// Ignore non standard syntax
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if (!isStandardSyntaxValue(node.value)) {
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return {
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unit: null,
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number: null,
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};
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}
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// Ignore HEX
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if (node.value.startsWith('#')) {
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return {
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unit: null,
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number: null,
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};
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}
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// Remove non standard stuff
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const value = blurInterpolation(node.value, '')
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// ignore hack unit
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.replace('\\0', '')
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.replace('\\9', '');
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const parsedUnit = valueParser.unit(value);
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if (!parsedUnit) {
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return {
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unit: null,
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number: null,
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};
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}
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return parsedUnit;
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};
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