Commit Graph

7 Commits

Author SHA1 Message Date
Donny/강동윤
f33d3218cd
feat(es/transforms/compat): Add single-property optimization to destructuring (#2511)
swc_ecma_transforms_compat:
 - `destructuring`: Convert single-property destructuring to direct field access.
2021-10-22 13:46:29 +00:00
Donny/강동윤
26944e159d
fix(es/transforms/base): Reimplement hygiene (#2408)
swc_ecma_transforms_base:
 - Reimplement `hygiene`.
2021-10-21 05:12:50 +00:00
Donny/강동윤
7c5b6cafd8
fix(es/minifier): Fix regexp handling (#2489)
swc_ecma_minifier:
 - Use allowlist of characters for optimizing RegExp calls.
2021-10-19 19:30:20 +00:00
Donny/강동윤
63ad4b4322
fix(es/minifier): Fix minification of react hooks (#2450)
swc_ecma_minifier:
 - `analyze`: Track for conditional usages.
 - `collapse_vars`: Don't inline a variable if usage it conditinal.
2021-10-17 15:24:17 +09:00
Donny/강동윤
1645bb30b7
perf(es/transforms): Reduce usage of #[fast_path] (#2442)
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
0e48284afb
fix(es/minifier): Fix bugs (#2433)
swc_ecma_minifier:
 - `sequences`: Stop searching for candidates if a dependency issue is found.
2021-10-14 13:48:14 +00:00
Donny/강동윤
ab687a0f98
fix(es/minifer): Fix handling of callable expressions (#2379)
swc_ecma_minifier:
 - `sequences`: Don't inline into arrow expression or function expressions.
 - Inject variables to arrow expressions correctly.
2021-10-10 03:47:11 +00:00