@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 and @jridgewell/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: [] }