mirror of
https://github.com/danbulant/oxc
synced 2026-05-25 04:42:10 +00:00
e42ac3a2a0
Introduce new method `ConcatSourceMapBuilder::from_sourcemaps`.
Where all the sourcemaps being concatenated exist at time that you
create `ConcatSourceMapBuilder`, it's faster to use `from_sourcemaps`,
because it pre-allocates enough space for the data it will hold and so
avoids memory copying.
Before:
```rs
let mut builder = ConcatSourceMapBuilder::default();
builder.add_sourcemap(&sourcemap1, 0);
builder.add_sourcemap(&sourcemap2, 100);
builder.add_sourcemap(&sourcemap3, 100);
let combined = builder.into_sourcemap();
```
After:
```rs
let builder = ConcatSourceMapBuilder::from_sourcemaps(&[
(&sourcemap1, 0),
(&sourcemap2, 100),
(&sourcemap3, 200),
]);
let combined = builder.into_sourcemap();
```
|
||
|---|---|---|
| .. | ||
| src | ||
| Cargo.toml | ||
| CHANGELOG.md | ||
| README.md | ||
The sourcemap implement port from rust-sourcemap, but has some different with it.
- Encode sourcemap at parallel, including quote
sourceContentand encode token tovlqmappings. - Avoid
Sourcemapsome methods overhead, likeSourceMap::tokens().