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54 Commits

Author SHA1 Message Date
Donny/강동윤
246300ae25
feat(es/minifier): Drop expressions using sequential inliner (#6936) 2023-04-29 22:19:00 +09:00
Anders Kaseorg
493a4f7042
fix(es/minifier): Remove wrong optimization of new RegExp(…) (#7091) 2023-03-17 03:22:02 +00:00
Donny/강동윤
27ae59e77b
fix(es/minifier): Make sequential inliner respect resolution order (#6509) 
**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/6491.
 2022-11-29 04:50:15 +00:00
Donny/강동윤
655f6744c5
fix(es/minifier): Fix infinite loop (#6300) 
**Related issue:**

 - https://github.com/vercel/next.js/issues/42171.
 2022-11-01 16:32:52 +00:00
Austaras
1cd7f617f9
feat(es/minifier): Inline a lazily initialized var if it's used once (#6237) 2022-10-26 06:02:22 +00:00
Donny/강동윤
c37839fc62
feat(es/minifier): Swap more binary expressions (#6134) 2022-10-13 03:45:05 +00:00
Austaras
5a23949f12
feat(es/minifier): Inline and remove vars in one pass (#6093) 2022-10-12 01:52:58 +00:00
Donny/강동윤
ad960c76c0
feat(es/minifier): Detect type of .length (#6120) 
**Description:**

This PR updates minifier to detect the type of `xxx.length` if possible.
 2022-10-11 23:06:58 +00:00
Austaras
657e5b3111
feat(es/minifier): Inline more lazily initialized vars (#6089) 2022-10-10 09:53:50 +09:00
Austaras
ac150c7ced
feat(es/minifier): Use usage_count in sequential inliner (#6071) 2022-10-06 17:27:34 +00:00
Austaras
c9427f1ec4
fix(es/minifier): Improve infection analysis (#6044) 2022-10-06 18:12:09 +09:00
Donny/강동윤
d65fba134d
fix(es/minifier): Fix infection analysis of sequential inliner (#6053) 
**Description:**

This PR fixes the callee issue by fixing the infection analyzer.

**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/6047
 2022-10-06 02:46:22 +00:00
Austaras
61807abf6e
feat(es/minifier): Inline function calls in more cases (#6010) 2022-10-01 18:18:45 +09:00
Donny/강동윤
0cfc724018
test(es/minifier): Add tests for benchmark files (#5986) 2022-09-29 09:41:13 +09:00
Donny/강동윤
0e69890764
feat(es/minifier): Evaluate more literals in comparison (#5976) 
**Description:**

I'll fix the performance issue with a follow-up PR.

**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/4415.
 2022-09-28 08:07:55 +00:00
Donny/강동윤
97647861bf
fix(es/minifier): Track aliasing via assignments (#5940) 2022-09-23 14:22:41 +09:00
Donny/강동윤
e9c704182b
feat(es/minifier): Improve analysis of reassignments (#5931) 2022-09-22 10:22:18 +00:00
Donny/강동윤
e303f7e853
fix(es/minifier): Fix analysis of assignments (#5924) 
**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/5910
 2022-09-21 11:33:25 +00:00
IWANABETHATGUY
7d6d04b421
fix(es/codegen): Drop the last comma in an array literal (#5877) 
**Description:**

Drop the last comma in an array literal.

**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/5692.
 2022-09-16 15:48:28 +09:00
Austaras
8567a38c4a
feat(es/minifier): Extend inlining of identifiers to multi-usage (#5832) 2022-09-13 03:52:47 +00:00
Austaras
ee26337a25
feat(es/minifier): Inline lazily initialized variables (#5737) 
Safety:

For a function-local variable, an expression with side-effects would be a call, including an indirect one with a member expression.

 - If the call is function-local, it will be analyzed by the analyzer and inliner will not work.
 - If the call is not a function-local one, it cannot modify the local variable.
 2022-09-08 08:07:43 +00:00
Austaras
4ef99f346b
feat(es/minifier): Relax function inline requirement (#5607) 2022-09-01 19:36:16 +09:00
Donny/강동윤
d43334eb92
feat(es/minifier): Remove redundant check (#5664) 2022-08-30 12:22:18 +09:00
Donny/강동윤
a06e6e9ce5
fix(es/minifier): Fix alias analyzer (#5639) 2022-08-26 10:06:25 +00:00
Donny/강동윤
d44bbffa02
fix(es/minifier): Revert alias analyzer work (#5634) 2022-08-26 08:45:49 +00:00
Donny/강동윤
00e635b9ea
fix(es/minifier): Improve alias analyzer (#5500) 2022-08-26 07:56:40 +00:00
Austaras
77497e4fbe
fix(es/fixer): Don't insert extra paren when left of BinExpr is UpdateExpr (#5376) 2022-08-03 08:41:40 +00:00
Donny/강동윤
0e4a03ccc6
fix(es/minifier): Don't inline a callable expression if it's used as a reference (#5118) 2022-07-06 03:53:11 +00:00
Donny/강동윤
36d960c7e9
perf(es/hygiene): Make hygiene faster (#4952) 2022-06-15 14:36:57 +00:00
magic-akari
594089488b
feat(es/minifier): Drop new token if possible (#4932) 2022-06-11 05:27:13 +00:00
Donny/강동윤
49b3c2715c
refactor(es/minifier): Make rust-analyzer fast, really (#4746) 2022-05-23 16:16:05 +09:00
Donny/강동윤
47e6cc5190
refactor(es/minifier): Make rust-analyzer faster (#4744) 
- We now use a separate crate for testing the minifier. This makes IDE much faster.
 2022-05-23 15:53:01 +09:00
Donny/강동윤
c01476d9ae
feat(es/minifier): Enable conditionals by default (#4687) 2022-05-17 07:34:47 +00:00
Donny/강동윤
3521ce09e7
fix(es/minifier): Consider more aliases in sequences pass (#4583) 2022-05-09 16:36:40 +00:00
Donny/강동윤
a6d404a8c2
chore(repo): Configure prettier (#4523) 2022-05-04 14:25:28 +00:00
Donny/강동윤
7a584d755a
feat(es/minifier): Consider cost of functions for inlining (#4470) 2022-04-29 05:58:59 +00:00
Donny/강동윤
375cc5975a
fix(es/minifier): Disable conditionals by default (#4391) 2022-04-22 10:44:53 +09:00
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
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
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
Austaras
9dd0105c5b
feat(es/fixer): Remove extra parens around iife in expression position (#3887) 2022-03-07 03:51:57 +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
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
57204e39cd
fix(es/minifier): Don't inline functions used as arguments (#3320) 
swc_ecma_minifier:
 - Preserve a variable initialized with a function expression if it's used as an argument.
 2022-01-20 16:06:23 +09:00
Donny/강동윤
b55ae4b312
fix(es/minifier): Fix analysis of unary expressions (#3286) 
swc_ecma_minifier:
 - Mark update as usage and assignment. (Closes #3265)
 2022-01-17 14:28:35 +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