Commit Graph

34 Commits

Author SHA1 Message Date
Donny/강동윤
375cc5975a
fix(es/minifier): Disable conditionals by default (#4391) 2022-04-22 10:44:53 +09:00
Austaras
8cf3ddda6c
feat(es/minifier): Improve handling of switches (#4260) 2022-04-21 10:00:25 +00:00
Donny/강동윤
7e8f613272
feat(es/minifier): Enable conditionals by default (#4301) 2022-04-12 02:12:10 +00:00
Alexander Akait
f39d3aca4d
feat(es/ast): Add raw to Num (#4245) 2022-04-05 12:46:35 +00:00
Donny/강동윤
4701da576f
feat(es/minifier): Improve inliner and evaluator (#4216) 2022-04-05 06:25:23 +00:00
Donny/강동윤
fe358ad0b9
feat(es/minifier): Improve sequential inlining (#4231) 2022-04-03 13:13:15 +00:00
Donny/강동윤
ee5c48c935
feat(es/minifier): Implement more rules for optimizing for-if-break (#4140) 2022-03-24 00:49:32 +00:00
Alexander Akait
634d732803
feat(es/ast): Add raw to Str (#4071) 2022-03-22 07:54:08 +00:00
Donny/강동윤
4a9817f003
fix(es/minifier): Consider side effects while lifting sequences (#4116) 2022-03-22 06:25:19 +00:00
Donny/강동윤
c6f8742669 feat(es/minifier): Implement more evaluation rules (#4030) 2022-03-21 20:07:59 +09:00
Alexander Akait
bd444c0ceb
fix(es/codegen): Fix codegen of string literals (#4037) 2022-03-16 14:25:26 +00:00
Donny/강동윤
9e4dea6663
feat(es/minifier): Improve dropping of unused vars (#3923) 2022-03-09 15:43:01 +00:00
Austaras
7cfa930a62
feat(es/fixer): Remove extra parens around IIFE in statements (#3918) 2022-03-08 14:35:18 +00:00
Austaras
9dd0105c5b
feat(es/fixer): Remove extra parens around iife in expression position (#3887) 2022-03-07 03:51:57 +00:00
Donny/강동윤
364532e9a7
feat(es/minifier): Improve sequential inlining (#3820) 2022-03-03 19:18:43 +00:00
Donny/강동윤
73cab638a1
fix(es/minifier): Preserve unresolved references (#3780)
swc_ecma_minifier:
 - `pure`: Add an optional list of bindings.
 - `pure`: Drop identifier only if we have the complete list of bindings.
 - `pure`: Allow using `GLOBALS`.
 - `pure`: Drop some pure member expressions.
 - Move identifier dropping logic from the stateful optimizer to the pure optimizer.
 - `pure`: Drop more references to global declarations.
2022-02-28 16:31:13 +00:00
Donny/강동윤
cfc036381a
fix(es/minifier): Fix inlining logic (#3776)
swc_ecma_minifier:
 - Make `inline_vars_in_node` use `MultiReplacer`.
2022-02-28 12:07:12 +00:00
Donny/강동윤
da2c77d9af
perf(es/minifier): Parallelize join_vars (#3655) 2022-02-21 05:34:32 +00:00
Donny/강동윤
de6effc6e1
feat(es/minifier): Drop more unused vars (#3656) 2022-02-21 04:35:56 +00:00
Donny/강동윤
d2c94416a8
feat(es/minifier): Treat !0 as a literal while inlining (#3631) 2022-02-19 17:33:36 +09:00
Donny/강동윤
a7f0e84bbf
feat(es/minifier): Drop useless assignments (#3528)
testing:
 - Allow skipping diff using an environment variable `DIFF`.

swc_ecma_minifier:
 - `pure`: Drop useless assignemnts.
2022-02-11 08:43:48 +00:00
Donny/강동윤
292add7d26
fix(es/minifier): Make sequences less aggressive (#3480)
swc_ecma_minifier:
 - `sequences`: Abort on RHS contains the left id.
2022-02-08 19:10:22 +09:00
Donny/강동윤
68e9017376
fix(es/minifier): Improve minifier (#3350)
swc_ecma_transforms_optimization:
 - `expr_simplifier`: Track more changes.

swc_ecma_minifier:
 - Analyze after applying the pure optimizer.
 - Preserve access to a variable not in scope.
 - `compress`: Remove string literal if it was not a directive.
 - `pure/collapse_vars`: Merge vars declared in the first statement into one with initializers if `collapse_vars` and `join_vars` are enabled.
 - `unused`: Use `usage_count` instead of `ref_count`.
 - `unused`: Fix dropping rule for member expressions.
 - `unused`: Fix dropping rule for declarations.
 - `hoist_props`: Preserve exported items.
2022-01-27 15:36:22 +09:00
Donny/강동윤
d52a1f3899
fix(es/minifier): Don't inline a var if the initializer is reassigned (#3333)
swc_ecma_minifier:
 - Consider reassignment to initializer while inlining a variable.
2022-01-21 14:01:20 +09:00
Donny/강동윤
8e796cdc0a
fix(es/minifier): Don't emit invalid code (#3302)
swc_ecma_minifier:
 - Add lots of debug assertions for invalid codes.
 - Remove all invalid AST nodes eagerly.
 - `pure`: Normalize `PatOrExpr`.
 - `analyzer`: Handle `PatOrExpr` correctly.
2022-01-18 20:52:21 +09:00
Donny/강동윤
210ecf83bb
feat(es/minifier): Drop more expressions from parallel optimizer (#3303)
swc_ecma_minifier:
 - `pure`: Implement more rule for dropping useless expressions.
2022-01-18 16:45:47 +09:00
Donny/강동윤
efd86715c9
fix(es/minifier): Preserve side effects in correct position (#3263)
swc_ecma_minifier:
 - Add `fake_block` mark.
 - Inject statements for side effects from `visit_mut_stmt` instead of `visit_mut_stmt_likes`. (Closes #2926)
2022-01-14 16:36:48 +09:00
Donny/강동윤
74fd353053
fix(es/minifier): Fix bugs (#3238)
swc_ecma_minifier:
 - `collapse_vars`: Respect `mutated`. (Closes #2679)
 - Add a test for https://github.com/vercel/next.js/issues/31084.
2022-01-12 16:57:54 +09:00
Donny/강동윤
69b5f799f3
fix(es/minifier): Disable inlining of expressions from collapse_vars (#3200)
swc_ecma_minifier:
 - `collapse_vars`: Disable for member expressions. (Closes #2614)
 - `sequences`: Respect `inline_prevented`.
2022-01-06 20:49:10 +09:00
magic-akari
52961804d1
feat(es/codegen): Make the output for empty objects and empty statements pretty (#3171) 2022-01-03 05:54:58 +09:00
Donny/강동윤
a81661c74a
perf(es/hygiene): Fix performance bug (#3090)
swc_ecma_transforms_base:
 - `hygiene`: Skip checking a symbol if we are sure that it will be discarded.

swc_ecma_laoder:
 - Optimize `NodeModulesResolver` by trying `.js` first.
2021-12-21 23:52:13 +09:00
Donny/강동윤
fa342a0067
fix(es/minifier): Fix bugs (#2779)
swc_ecma_minifier:
 - Don't optimize `1 / t == -1 / 0` as `!1`.
 - Don't optimize `e === -1 / 0` as false.
 - Don't inline string literals in arguments, if it's used multiple time. (https://github.com/vercel/next.js/issues/31291)
2021-11-20 17:06:18 +09:00
Donny/강동윤
f2c67b8caf
fix(es/minifier): Don't inline string literals if it's used multiple time (#2748)
swc_ecma_minifier:
 - Don't inline strings because it's simple.
 - Inline short strings.
2021-11-15 14:03:03 +09:00
Donny/강동윤
2b2f6955f2
refactor: Flatten ecmascript (#2708) 2021-11-10 19:00:54 +09:00