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https://github.com/react/react-native-devtools-frontend.git
synced 2026-09-28 13:13:37 +08:00
Simon Zünd
cba2ac9e1c
The update contains a bug fix that improves the quality for DevTools release source maps. The update also seems to stop minifiying certain names in the overlay bundle so we had to slightly bump the limit. * Old size: 69660 * New size: 71295 DISABLE_THIRD_PARTY_CHECK=Bump overlay size limit R=alexrudenko@chromium.org Bug: 1459146 Change-Id: I3036787bbb3ba8d28669b9aaab9c29c5f5581e55 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/4693881 Commit-Queue: Simon Zünd <szuend@chromium.org> Reviewed-by: Alex Rudenko <alexrudenko@chromium.org>
@jridgewell/source-map
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.
Installation
npm install @jridgewell/source-map
Usage
TODO
SourceMapConsumer
import { SourceMapConsumer } from '@jridgewell/source-map';
const smc = new SourceMapConsumer({
version: 3,
names: ['foo'],
sources: ['input.js'],
mappings: 'AAAAA',
});
SourceMapConsumer.prototype.originalPositionFor(generatedPosition)
const smc = new SourceMapConsumer(map);
smc.originalPositionFor({ line: 1, column: 0 });
SourceMapGenerator
import { SourceMapGenerator } from '@jridgewell/source-map';
const smg = new SourceMapGenerator({
file: 'output.js',
sourceRoot: 'https://example.com/',
});
SourceMapGenerator.prototype.addMapping(mapping)
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)
const smg = new SourceMapGenerator();
smg.setSourceContent('input.js', 'foobar');
SourceMapGenerator.prototype.toJSON()
const smg = new SourceMapGenerator();
smg.toJSON(); // { version: 3, names: [], sources: [], mappings: '' }
SourceMapGenerator.prototype.toDecodedMap()
const smg = new SourceMapGenerator();
smg.toDecodedMap(); // { version: 3, names: [], sources: [], mappings: [] }