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