Commit Graph

155 Commits

Author SHA1 Message Date
HeYunfei
a1ccc8afdf
feat(es/minifier): Make name mangler understand block scoping (#6670)
**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/5090.
 - Closes https://github.com/swc-project/swc/issues/5766.
2023-01-06 03:14:10 +00:00
HeYunfei
b5d31cc2da
fix(es/utils): Fix detection of hoisting (#6738) 2023-01-03 03:12:01 +00:00
Donny/강동윤
5d52ae971e
feat(es/minifier): Implement trivial optimizations (#6256)
**Description:**

1. Evaluate `Number.toString()`.
2. Mark some terser tests as passing where our output is better.
2022-11-02 01:21:32 +00:00
Donny/강동윤
743a1aab4f
feat(es/minfiier): Compute more with sequential inliner (#6169) 2022-10-27 00:50:52 +00:00
Donny/강동윤
01edb4fff4
test(es/minifier): Organize terser tests (#6247) 2022-10-25 05:12:30 +00:00
Donny/강동윤
ec9a80aae0
feat(es/minifier): Respect options (#6245) 2022-10-25 04:00:16 +00:00
Donny/강동윤
780b5de678
fix(es/minifier): Fix detection of direct eval (#6215) 2022-10-21 12:18:10 +09:00
Donny/강동윤
ea03ce1a82
refactor(es/minifier): Don't create invalid nodes (#6191)
**Description:**

A sequential expression should have at leat two elements.
2022-10-21 00:33:40 +00:00
Donny/강동윤
12443db39a
feat(es/minifier): Merge functions using sequential inliner (#6148) 2022-10-20 02:24:09 +00:00
Donny/강동윤
842abd4575
fix(es/minifier): Remove wrong rule (#6201)
**Related issue:**

 - https://github.com/vercel/next.js/issues/41527.
2022-10-19 02:14:38 +00:00
Donny/강동윤
3f0fcf4fa9
feat(es/minifier): Make sequential inliner self-repeat (#6168) 2022-10-18 02:13:39 +00:00
Donny/강동윤
aec5cdacc6
fix(es/minifier): Preserve this of tagged template literals (#6165)
**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/6146
2022-10-15 09:11:20 +00:00
Austaras
b40d486253
fix(es/minifier): Consider function body cost while inlining function (#5342) 2022-10-15 05:47:56 +00:00
Donny/강동윤
d334c6e783
feat(es/minifier): Ignore return value if a param of IIFE is not used (#6115) 2022-10-14 02:58:00 +00:00
Donny/강동윤
ec0d6d5a0d
feat(es/minifier): Improve trivial rules (#6136) 2022-10-13 23:34:30 +00:00
Donny/강동윤
c37839fc62
feat(es/minifier): Swap more binary expressions (#6134) 2022-10-13 03:45:05 +00:00
Donny/강동윤
66196a65be
feat(es/minifier): Inline pure array literal partially (#6099) 2022-10-12 02:29:40 +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
6365acc9f5
test(es/minifier): Organize terser tests (#6116)
**Description:**

Our minifier is better than terser in some cases, so we don't need to match the output of terser exactly.
2022-10-11 08:25:11 +00:00
Donny/강동윤
9ce3df091f
feat(es/minifier): Distinguish calls in alias analyzer (#6080)
**Description:**

This PR improves the alias analyzer by distinguishing call and reference, thus reducing the number of identifiers.

---

Co-authored-by: Justin Ridgewell <justin@ridgewell.name>
2022-10-08 03:15:18 +00:00
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
36d467e7d7
fix(es/minifier): Fix analysis of var declaration after usage (#6043)
**Description:**

`var_initialized` should be `true` even if the declaration of variable comes after its usage.

**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/6039.
2022-10-06 02:09:13 +00:00
Donny/강동윤
c5fb774487
fix(es/minifier): Don't skip unresolved identifiers (#6050)
**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/6049
2022-10-05 11:44:51 +00:00
Donny/강동윤
877936f626
feat(es/minifier): Clone trivial literals in sequential inliner (#6005)
**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
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)
**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
aeb7f300a8
feat(es/minifier): Invoke sequential inliner for inlined IIFEs (#5991)
**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)
**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
8c4873f81e
test(es/minifier): Remove mangle-only snapshots (#5979)
**Description:**

We don't have to store snapshots of all fixtures.
2022-09-28 21:35:52 +09:00
Donny/강동윤
dcd516d2bd
feat(es/minifier): Ignore more expressions in sequential inliner (#5961)
**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)
**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
9d1974248d
fix(es/minifier): Fix skipping logic of sequential inliner (#5956)
**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
93964a82ea
test(es/minifier): Remove analysis snapshot (#5939)
**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)
**Description:**

This PR adds code to mangle labels.
2022-09-22 23:24:05 +09:00
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
ac7b066d9a
feat(es/minifier): Inline rest parameters of IIFE (#5929) 2022-09-22 06:16:29 +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
Donny/강동윤
a9873e505d
perf(es/minifier): Optimize analyzer (#5908) 2022-09-20 08:21:39 +00:00
Donny/강동윤
aacf7aaf80
feat(es/minifier): Drop function identifier in a single pass (#5901)
**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
Donny/강동윤
4e656af1ec
feat(es/minifier): Drop variable from the sequential inliner (#5896)
**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
Alexander Akait
7f62fa6227
perf(html): Reduce memory usage (#5867) 2022-09-15 04:17:05 +00:00
Austaras
63fb0c4ad3
feat(es/minifier): Move assign with seq init into seq (#5847) 2022-09-14 12:57:18 +00:00
Donny/강동윤
0284c1bf40
test(es/transforms): Enable tests for fixed issues (#5845) 2022-09-13 10:32:00 +00:00