50 lines
1.1 KiB
JavaScript
50 lines
1.1 KiB
JavaScript
import { loadModule } from '../../../utils/load-module.js';
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/**
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* Transpile with babel
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*/
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export function transform(node, text, context) {
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const babel = loadBabel(context);
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if (!babel) {
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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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try {
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const output = babel.transformSync(code, {
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sourceType: 'module',
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sourceMaps: true,
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minified: false,
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ast: false,
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code: true,
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cwd: context.cwd ?? process.cwd()
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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.code,
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mappings: 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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/** Check if project has Babel. */
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export function hasBabel(context) {
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return Boolean(loadBabel(context));
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}
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/**
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* Load babel
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*/
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function loadBabel(context) {
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return loadModule(context, '@babel/core');
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}
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