Donny/강동윤
e3b55e4bcf
fix(es/minifier): Fix optimization of numeric keys ( #6052 )
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**Description:**
We should not optimize if the key starts with `0`.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/6051 .
2022-10-05 12:22:28 +00:00
Donny/강동윤
c5fb774487
fix(es/minifier): Don't skip unresolved identifiers ( #6050 )
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**Related issue:**
- Closes https://github.com/swc-project/swc/issues/6049
2022-10-05 11:44:51 +00:00
Donny/강동윤
197c4e269d
fix(es/minifier): Don't evaluate String.fromCharCode
for non-ascii values ( #6033 )
2022-10-04 16:46:59 +09:00
Austaras
c4850997a2
feat(es/minifier): Inline vars initialized before the declaration ( #6027 )
2022-10-03 08:58:38 +00:00
Donny/강동윤
877936f626
feat(es/minifier): Clone trivial literals in sequential inliner ( #6005 )
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**Description:**
As our minifier is two-pass by default, this is enough.
At the first pass, we inline all numeric literals using sequential inliner, and minifier can then inline constants correctly in the second pass.
2022-10-03 07:20:48 +00:00
Donny/강동윤
2b627524ac
feat(es/minifier): Ignore return values of ignored IIFEs ( #6020 )
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**Description:**
As we are not using the return value of the function, we can call `ignore_return_value` on the argument of the return statements of IIFE.
2022-10-02 20:01:56 +09:00
Donny/강동윤
1aae503913
test(es/minifier): Organize terser tests ( #6015 )
2022-10-02 07:00:10 +00:00
Austaras
61807abf6e
feat(es/minifier): Inline function calls in more cases ( #6010 )
2022-10-01 18:18:45 +09:00
Austaras
31ffd5a01d
fix(es/renamer): Use a separate scope for the name of FnExpr
( #6008 )
2022-10-01 12:33:19 +09:00
Donny/강동윤
286334c4d0
feat(es/minifier): Drop vars from sequential inliner ( #5993 )
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**Description:**
This PR renames `CloningMultiReplacer` to `Finalizer` and makes it handle the removal of unused variables. Also, this PR improves the sequential inliner so we can drop variables within a single pass.
2022-09-30 09:43:31 +00:00
Donny/강동윤
2ee3ad0066
fix(es/minifier): Don't inline into nested scope ( #6002 )
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**Related issue:**
- https://github.com/vercel/next.js/discussions/30237#discussioncomment-3768734
2022-09-30 08:53:20 +00:00
Donny/강동윤
aeb7f300a8
feat(es/minifier): Invoke sequential inliner for inlined IIFEs ( #5991 )
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**Description:**
Inlined IIFEs have the exact pattern sequential inliner wants, so it's good to invoke it.
2022-09-29 11:03:06 +00:00
Donny/강동윤
f8358fbe2b
fix(es/minifier): Remove wrong variable joiner pass ( #5992 )
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**Description:**
We had two passes for joining variables. This PR removes one in the full optimizer, which is wrong.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5989 .
2022-09-29 19:11:18 +09:00
Austaras
1a11cfd46f
feat(es/minifier): Improve fn-local analysis for better inlining ( #5955 )
2022-09-29 14:16:28 +09:00
Donny/강동윤
c411e5d552
feat(es/minifier): Drop more variables while invoking IIFE ( #5987 )
2022-09-29 02:15:56 +00:00
Donny/강동윤
0cfc724018
test(es/minifier): Add tests for benchmark files ( #5986 )
2022-09-29 09:41:13 +09:00
Donny/강동윤
08f6e81d8e
feat(es/minifier): Ignore more return values ( #5981 )
2022-09-28 14:20:37 +00:00
Donny/강동윤
bc2c0f4133
fix(es/codegen): Fix codegen of a negative number ( #5980 )
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**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5912 .
2022-09-28 13:40:07 +00:00
Donny/강동윤
8c4873f81e
test(es/minifier): Remove mangle-only snapshots ( #5979 )
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**Description:**
We don't have to store snapshots of all fixtures.
2022-09-28 21:35:52 +09:00
Donny/강동윤
0e69890764
feat(es/minifier): Evaluate more literals in comparison ( #5976 )
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**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
Austaras
aff4ea5f44
fix(es/minifier): Preserve exports in DCE ( #5973 )
2022-09-28 05:35:51 +00:00
Donny/강동윤
dcd516d2bd
feat(es/minifier): Ignore more expressions in sequential inliner ( #5961 )
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**Description:**
We can skip **member access** to `console` as it does not have any side effects.
2022-09-27 07:45:44 +00:00
Donny/강동윤
48cddc16f6
test(es/minifier): Categorize terser tests ( #5960 )
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**Description:**
I'm going to focus on rules enabled by default. I updated some tests because our one was better, and postponed `unsafe` tests.
2022-09-27 15:18:57 +09:00
Austaras
573418fc96
fix(es/resolver): Use a separate mark for the name of FnExpr
( #5959 )
2022-09-27 14:50:35 +09:00
Donny/강동윤
33a15c8d82
fix(es/minifier): Fix analysis of parameters ( #5954 )
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**Description:**
Although the author of the issue talked about `@react-pdf/renderer`, it's a bug related to `brotli`, not react pdf renderer.
After investigation, I found that the bug is caused by not marking parameters as initialized. So I fixed the analyzer.
**Related issue:**
- https://github.com/vercel/next.js/issues/40803 .
2022-09-27 12:19:36 +09:00
Donny/강동윤
9d1974248d
fix(es/minifier): Fix skipping logic of sequential inliner ( #5956 )
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**Description:**
This PR implements `is_skippable_for_seq` fully.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5935 .
2022-09-26 15:05:52 +00:00
Donny/강동윤
97647861bf
fix(es/minifier): Track aliasing via assignments ( #5940 )
2022-09-23 14:22:41 +09:00
Donny/강동윤
93964a82ea
test(es/minifier): Remove analysis snapshot ( #5939 )
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**Description:**
This PR removes analysis snapshots as it disturbs code review process
2022-09-23 13:14:42 +09:00
Donny/강동윤
7bcaaef4f7
feat(es/minifier): Mangle labels ( #5934 )
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**Description:**
This PR adds code to mangle labels.
2022-09-22 23:24:05 +09:00
Donny/강동윤
e16827cc9d
feat(es/minifier): Drop cycles in nested functions ( #5933 )
2022-09-22 13:54:49 +00:00
Donny/강동윤
5314ac5d02
feat(es/minifier): Use char frequency data for property manglers ( #5932 )
2022-09-22 22:14:26 +09:00
Donny/강동윤
e9c704182b
feat(es/minifier): Improve analysis of reassignments ( #5931 )
2022-09-22 10:22:18 +00:00
Donny/강동윤
f2224132c1
fix(es/minifier): Prepend vars when dropping vars in a for loop initializer ( #5930 )
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**Description:**
The minifier appends initializer of for statements instead of prepending it.
**Related issue:**
- https://github.com/vercel/next.js/discussions/30237#discussioncomment-3704795
2022-09-22 09:18:41 +00:00
Donny/강동윤
ac7b066d9a
feat(es/minifier): Inline rest parameters of IIFE ( #5929 )
2022-09-22 06:16:29 +00:00
Donny/강동윤
565bf317f6
feat(es/minifier): Evaluate more expressions ( #5926 )
2022-09-22 03:53:14 +00:00
Donny/강동윤
19ce2737b1
feat(es/minifier): Collapse let
without init ( #5909 )
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**Description:**
This patch applies the variable collapsing logic for the variables declared with `var` to the variables declared with `let`. This requires some patch about the behavior of visitors about `BlockStmt`, so this patch includes relevant changes.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5696 .
2022-09-21 15:04:29 +00:00
Donny/강동윤
31711e76af
test(es/minifier): Add an execution test for a fixed issue ( #5925 )
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**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5914 .
2022-09-21 12:19:14 +00:00
Donny/강동윤
e303f7e853
fix(es/minifier): Fix analysis of assignments ( #5924 )
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**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5910
2022-09-21 11:33:25 +00:00
Donny/강동윤
0b34bcb40e
test(es/minifier): Add a test for a wrong issue ( #5923 )
2022-09-21 19:52:52 +09:00
Donny/강동윤
fe40d8312b
test(es): Accept arguments ( #5916 )
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**Description:**
This PR adds a way to provide arguments to `exec_node_js`.
2022-09-21 16:23:10 +09:00
Donny/강동윤
a9873e505d
perf(es/minifier): Optimize analyzer ( #5908 )
2022-09-20 08:21:39 +00:00
Donny/강동윤
1df72430a5
perf(es/minifier): Invoke DCE only before the first compression ( #5907 )
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**Description:**
Invoke DCE only before the first compression. I verified that this patch does not affect the compression rate of the real-world inputs greatly.
2022-09-20 15:41:26 +09:00
Donny/강동윤
aacf7aaf80
feat(es/minifier): Drop function identifier in a single pass ( #5901 )
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**Description:**
We only inline function declarations if `ref_count` is 1, so we don't need to preserve the name of the function.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5682 .
2022-09-19 15:07:56 +00:00
Austaras
83c7887600
fix(es/minifier): Remove more pure calls ( #5900 )
2022-09-19 12:21:15 +00:00
Donny/강동윤
0bbcfe15ee
test(es/minifier): Add a test for a fixed issue ( #5897 )
2022-09-19 17:25:49 +09:00
Donny/강동윤
4e656af1ec
feat(es/minifier): Drop variable from the sequential inliner ( #5896 )
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**Description:**
We now drop variable declarations if we are going to eliminate the only usage.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5693 .
2022-09-19 07:40:04 +00:00
IWANABETHATGUY
7d6d04b421
fix(es/codegen): Drop the last comma in an array literal ( #5877 )
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**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
Donny/강동윤
c3fa96b21b
fix(es/minifier): Fix unicode handling ( #5875 )
2022-09-15 14:45:33 +00:00
magic-akari
90d311c042
fix(es/minifier): Fix handling of .toFixed
call without an argument ( #5868 )
2022-09-15 16:00:36 +09:00
Donny/강동윤
991a34e0c2
fix(es/minifier): Remove fake_block
while calculating next scope ( #5869 )
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**Description:**
We now remove `fake_block` mark from `with_ctx`.
**Related issue:**
- Closes https://github.com/swc-project/swc/issues/5865
2022-09-15 06:04:47 +00:00