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83 lines
1.8 KiB
83 lines
1.8 KiB
2 years ago
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# @jridgewell/source-map
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> Packages `@jridgewell/trace-mapping` and `@jridgewell/gen-mapping` into the familiar source-map API
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This isn't the full API, but it's the core functionality. This wraps
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[@jridgewell/trace-mapping][trace-mapping] and [@jridgewell/gen-mapping][gen-mapping]
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implementations.
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## Installation
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```sh
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npm install @jridgewell/source-map
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```
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## Usage
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TODO
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### SourceMapConsumer
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```typescript
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import { SourceMapConsumer } from '@jridgewell/source-map';
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const smc = new SourceMapConsumer({
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version: 3,
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names: ['foo'],
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sources: ['input.js'],
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mappings: 'AAAAA',
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});
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```
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#### SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
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```typescript
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const smc = new SourceMapConsumer(map);
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smc.originalPositionFor({ line: 1, column: 0 });
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```
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### SourceMapGenerator
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```typescript
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import { SourceMapGenerator } from '@jridgewell/source-map';
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const smg = new SourceMapGenerator({
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file: 'output.js',
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sourceRoot: 'https://example.com/',
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});
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```
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#### SourceMapGenerator.prototype.addMapping(mapping)
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```typescript
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const smg = new SourceMapGenerator();
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smg.addMapping({
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generated: { line: 1, column: 0 },
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source: 'input.js',
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original: { line: 1, column: 0 },
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name: 'foo',
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});
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```
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#### SourceMapGenerator.prototype.setSourceContent(sourceFile, sourceContent)
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```typescript
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const smg = new SourceMapGenerator();
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smg.setSourceContent('input.js', 'foobar');
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```
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#### SourceMapGenerator.prototype.toJSON()
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```typescript
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const smg = new SourceMapGenerator();
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smg.toJSON(); // { version: 3, names: [], sources: [], mappings: '' }
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```
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#### SourceMapGenerator.prototype.toDecodedMap()
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```typescript
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const smg = new SourceMapGenerator();
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smg.toDecodedMap(); // { version: 3, names: [], sources: [], mappings: [] }
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```
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[trace-mapping]: https://github.com/jridgewell/trace-mapping/
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[gen-mapping]: https://github.com/jridgewell/gen-mapping/
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