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Add generator options to fromSourceMap #22

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merged 2 commits into from
Mar 19, 2024
Merged

Add generator options to fromSourceMap #22

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7ba07f5
Add generator options to fromSourceMap
ai Mar 18, 2024
0e44ecb
Add note in readme
7rulnik Mar 19, 2024
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8 changes: 6 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -476,14 +476,18 @@ var generator = new sourceMap.SourceMapGenerator({
});
```

#### SourceMapGenerator.fromSourceMap(sourceMapConsumer)
#### SourceMapGenerator.fromSourceMap(sourceMapConsumer, sourceMapGeneratorOptions)

Creates a new `SourceMapGenerator` from an existing `SourceMapConsumer` instance.

* `sourceMapConsumer` The SourceMap.

* `sourceMapGeneratorOptions` options that will be passed to the SourceMapGenerator constructor which used under the hood.

```js
var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer);
var generator = sourceMap.SourceMapGenerator.fromSourceMap(consumer, {
ignoreInvalidMapping: true,
});
```

#### SourceMapGenerator.prototype.addMapping(mapping)
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6 changes: 3 additions & 3 deletions lib/source-map-generator.js
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Expand Up @@ -40,12 +40,12 @@ SourceMapGenerator.prototype._version = 3;
* @param aSourceMapConsumer The SourceMap.
*/
SourceMapGenerator.fromSourceMap =
function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
function SourceMapGenerator_fromSourceMap(aSourceMapConsumer, generatorOps) {
var sourceRoot = aSourceMapConsumer.sourceRoot;
var generator = new SourceMapGenerator({
var generator = new SourceMapGenerator(Object.assign(generatorOps || {}, {
file: aSourceMapConsumer.file,
sourceRoot: sourceRoot
});
}));
aSourceMapConsumer.eachMapping(function (mapping) {
var newMapping = {
generated: {
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