48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
import { loadModule } from '../../../utils/load-module.js';
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/**
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* Transpile with less
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*/
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export function transform(node, text, context) {
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const less = loadLess(context);
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if (!less) {
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return null;
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}
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let inputRange;
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if (node.endTag) {
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inputRange = [node.startTag.range[1], node.endTag.range[0]];
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}
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else {
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inputRange = [node.startTag.range[1], node.range[1]];
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}
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const code = text.slice(...inputRange);
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const filename = `${context.filename}.less`;
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try {
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let output;
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less.render(code, {
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sourceMap: {},
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syncImport: true,
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filename,
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lint: false
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}, (_error, result) => {
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output = result;
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});
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if (!output) {
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return null;
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}
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return {
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inputRange,
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output: output.css,
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mappings: JSON.parse(output.map).mappings
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};
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}
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catch {
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return null;
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}
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}
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/**
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* Load less
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*/
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function loadLess(context) {
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return loadModule(context, 'less');
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}
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