Donny/강동윤
6b96a3d8ed
feat: Enable logging of timings ( #2833 )
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swc_timer:
- Add `Timer`.
- Add `timer!()`.
node:
- Enable logging.
2021-11-22 21:01:08 +09:00
Donny/강동윤
1645bb30b7
perf(es/transforms): Reduce usage of #[fast_path] ( #2442 )
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swc_ecma_ast:
- Implement `Take` for `ObjectLit`.
- Implement `Take` for `ArrayLit`.
swc_ecma_transforms_compat:
- `nullish_coalescing`: Remove exponential visit.
- `nullish_coalescing`: Migrate to `VisitMut`.
- `optional_chaining`: Reduce exponential visit. (But it's not removed)
- `class_properties`: Remove exponential visit.
- `jsx_src`: Migrate to `VisitMut`.
- `optional_chaining`: Mae it parallel.
- `async_to_generator`: Remove `#[fast_path]`.
- `arrow`: Remove `#[fast_path]`.
- `destructuring`: Remove `#[fast_path]`.
- `block_scoped_functions`: Remove `#[fast_path]`.
- `classes`: Remove `#[fast_path]`.
2021-10-16 08:12:02 +00:00
Donny/강동윤
4c983e9158
perf(es/codegen, es/parser): Improve performance ( #2406 )
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ast_node:
- Make `.span()` inlinable.
swc_ecma_codegen:
- Reduce call to *heavy* `.span()` calls.
swc_ecma_parser:
- Reduce `memmove` by using typed-arena.
swc_bundler:
- Make `Bundle.bundle` take `&mut self`.
- Make drop concurrent.
2021-10-15 12:49:37 +09:00
