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https://github.com/swc-project/swc.git
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3a372ad29a
The commit will help - Better testing - Preventing regression like #785. - **Implementing spack** (It requires access to neon api because of the plugin system)
83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
const swc = require('../../../'),
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validate = require('sourcemap-validator'),
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sourceMap = require('source-map');
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it('should handle sourcemap correctly', async () => {
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const raw = `
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class Foo extends Array {
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}
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console.log('foo')
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`;
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const out = swc.transformSync(raw, {
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filename: 'input.js',
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sourceMaps: true
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});
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expect(out.map).toBeTruthy();
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validate(out.code, out.map, {'input.js': raw});
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// await sourceMap.SourceMapConsumer.with(JSON.parse(out.map), null, async (consumer) => {
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// consumer.eachMapping((mapping) => {
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// console.log(mapping);
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// });
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// });
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// // Dump output and sourcemap to file
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// // https://sokra.github.io/source-map-visualization/#custom
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// const fs = require('fs');
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// fs.writeFileSync('./test.js', out.code);
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// fs.writeFileSync('./test.map', out.map);
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})
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it('should handle input sourcemap correctly', async () => {
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const raw = `class Foo extends Array {}`;
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const out1 = swc.transformSync(raw, {
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filename: 'input1.js',
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jsc: {
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externalHelpers: true,
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target: 'es2016',
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},
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module: {
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type: 'commonjs'
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},
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sourceMaps: true
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});
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expect(out1.map).toBeTruthy();
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validate(out1.code, out1.map, {'input.js': raw});
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console.log(out1.code);
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const out2 = swc.transformSync(out1.code, {
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filename: 'input2.js',
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jsc: {
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externalHelpers: true,
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target: 'es3',
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},
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module: {
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type: 'commonjs'
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},
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sourceMaps: true,
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});
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console.log(out2.code);
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expect(out2.map).toBeTruthy();
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validate(out2.code, out2.map, {'input2.js': out1.code});
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validate(out2.code, out2.map, {'input.js': raw});
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await sourceMap.SourceMapConsumer.with(JSON.parse(out1.map), null, async (consumer1) => {
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await sourceMap.SourceMapConsumer.with(JSON.parse(out2.map), null, async (consumer2) => {
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consumer1.eachMapping((mapping) => {
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// console.log(mapping);
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});
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consumer2.eachMapping((mapping) => {
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// console.log(mapping);
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});
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});
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});
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}) |