Packages
@jridgewell/trace-mappingand@jridgewell/gen-mappinginto 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.
npm install @jridgewell/source-mapTODO
import { SourceMapConsumer } from '@jridgewell/source-map';
const smc = new SourceMapConsumer({
version: 3,
names: ['foo'],
sources: ['input.js'],
mappings: 'AAAAA',
});Transforms a SourceMapGenerator into a SourceMapConsumer.
const smg = new SourceMapGenerator();
const smc = SourceMapConsumer.fromSourceMap(map);
smc.originalPositionFor({ line: 1, column: 0 });const smc = new SourceMapConsumer(map);
smc.originalPositionFor({ line: 1, column: 0 });const smc = new SourceMapConsumer(map);
smc.mappings; // AAAAconst smc = new SourceMapConsumer(map);
smc.allGeneratedpositionsfor({ line: 1, column: 5, source: "baz.ts" });
// [
// { line: 2, column: 8 }
// ]This implementation currently does not support the "order" parameter. This function can only iterate in Generated order.
const smc = new SourceMapConsumer(map);
smc.eachMapping((mapping) => {
// { source: 'baz.ts',
// generatedLine: 4,
// generatedColumn: 5,
// originalLine: 4,
// originalColumn: 5,
// name: null }
});const smc = new SourceMapConsumer(map);
smc.generatedPositionFor({ line: 1, column: 5, source: "baz.ts" });
// { line: 2, column: 8 }const smc = new SourceMapConsumer(map);
smc.hasContentsOfAllSources();
// trueconst smc = new SourceMapConsumer(map);
smc.generatedPositionFor("baz.ts");
// "export default ..."Returns the source map's version
import { SourceMapGenerator } from '@jridgewell/source-map';
const smg = new SourceMapGenerator({
file: 'output.js',
sourceRoot: 'https://example.com/',
});Transform a SourceMapConsumer into a SourceMapGenerator.
const smc = new SourceMapConsumer();
const smg = SourceMapGenerator.fromSourceMap(smc);This method is not implemented yet
const smg = new SourceMapGenerator();
smg.addMapping({
generated: { line: 1, column: 0 },
source: 'input.js',
original: { line: 1, column: 0 },
name: 'foo',
});const smg = new SourceMapGenerator();
smg.setSourceContent('input.js', 'foobar');const smg = new SourceMapGenerator();
smg.toJSON(); // { version: 3, names: [], sources: [], mappings: '' }const smg = new SourceMapGenerator();
smg.toJSON(); // "{version:3,names:[],sources:[],mappings:''}"const smg = new SourceMapGenerator();
smg.toDecodedMap(); // { version: 3, names: [], sources: [], mappings: [] }This implementation has some differences with source-map and source-map-js.
SourceMapConsumer.prototype.eachMapping()- Does not support the
orderargument
- Does not support the
SourceMapGenerator.prototype.applySourceMap()- Not implemented