JoBoEVD/UglifyJS
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36 Commits

Author SHA1 Message Date
alexlamsl
5ffc17d4aa fix corner case in unused 2018-07-01 14:34:42 +08:00
Alex Lam S.L
2351a672ea fix dead_code on exceptional return (#2930) 
fixes #2929
 2018-02-18 04:36:00 +08:00
Alex Lam S.L
aa664dea0a avoid evaluate of compound assignment after dead_code transform (#2861) 
fixes #2860
 2018-02-01 16:18:29 +08:00
Alex Lam S.L
3e7873217c improve unused on built-in functions (#2817) 2018-01-19 20:41:57 +08:00
Alex Lam S.L
2972d58dbb patch variable declaractions extracted within catch (#2753) 
fixes #2749
 2018-01-09 13:54:35 +08:00
Alex Lam S.L
a6873a3859 forbid block-scoped AST_Defun in strict mode (#2718) 2018-01-04 18:45:51 +08:00
Alex Lam S.L
2f3bddbaca scan within IIFEs of assigned values (#2702) 
fixes #2701
 2018-01-02 01:24:23 +08:00
Alex Lam S.L
ed7a0a454e fix dead_code on escaped return assignment (#2693) 
fixes #2692
 2017-12-30 15:20:25 +08:00
Alex Lam S.L
f30790b11b fix dead_code on return assignments (#2668) 
fixes #2666
 2017-12-27 07:40:34 +08:00
Alex Lam S.L
7d6907cb99 fix dead_code on nested try (#2599) 
fixes #2597
 2017-12-15 19:41:28 +08:00
kzc
d18979bb23 improve dead_code tests (#2589) 
for #2588
 2017-12-14 12:12:06 +08:00
Alex Lam S.L
8266993c6e fix dead_code on return/throw within try (#2588) 2017-12-14 04:38:21 +08:00
Alex Lam S.L
9a137e8613 drop local assign-only variable in return (#2587) 2017-12-14 02:59:59 +08:00
Alex Lam S.L
5a1e99d713 improve compression of if conditions (#2544) 2017-12-01 06:18:31 +08:00
Alex Lam S.L
b762f2d6f4 improve compression of loop conditions (#2543) 2017-12-01 05:52:33 +08:00
Alex Lam S.L
3c74047368 implement compress option reduce_funcs (#2466) 
- inline single-use function declarations as expressions when permissible
- depend on `reduce_vars`
- enabled by default
- disable for speed critical code

fixes #2464
 2017-11-11 05:59:35 +08:00
Alex Lam S.L
aacf3edc68 extend unsafe on pure global functions (#2303) 2017-09-07 22:08:34 +08:00
kzc
8b89072190 add Date and other known globals to unsafe compress option (#2302) 2017-09-07 02:44:26 +08:00
Alex Lam S.L
a5ffe2c23f drop unused builtin globals under unsafe (#2236) 
fixes #2233
 2017-07-15 15:16:11 +08:00
Alex Lam S.L
79131cd647 extend node_version range on applicable tests (#2015) 2017-05-27 22:18:28 +08:00
Alex Lam S.L
dc33facfcb fix dead_code on block-scoped function under "use strict" (#2006) 
Technically not part of ES5, but commonly used code exists in the wild.
 2017-05-26 16:08:51 +08:00
Alex Lam S.L
3ca902258c fix bugs with getter/setter (#1926) 
- `reduce_vars`
- `side_effects`
- property access for object
- `AST_SymbolAccessor` as key names

enhance `test/ufuzz.js`
- add object getter & setter
  - property assignment to setter
  - avoid infinite recursion in setter
- fix & adjust assignment operators
  - 50% `=`
  - 25% `+=`
  - 2.5% each for the rest
- avoid "Invalid array length"
- fix `console.log()`
  - bypass getter
  - curb recursive reference
- deprecate `-E`, always report runtime errors
 2017-05-14 02:10:34 +08:00
Alex Lam S.L
c391576d52 remove support for const (#1910) 
As this is not part of ES5.
 2017-05-12 14:57:41 +08:00
Alex Lam S.L
7bea38a05d optimize try-catch-finally (#1731) 
- eliminate empty blocks
- flatten out if try-block does not throw
 2017-03-30 12:16:58 +08:00
Alex Lam S.L
a3cc3a9b87 make expect_stdout work on Node.js 0.12 (#1623) 
That particular version of Node.js has messed up error messages, so provide a version-specific workaround.

Also fixed an formatting issue which would cause `expect_stdout` to fail if error message contains excerpts of input.

Apply `expect_stdout` to more applicable tests.
 2017-03-19 12:00:32 +08:00
Alex Lam S.L
d787d70127 avoid substitution of global variables (#1557) 
- unless `toplevel` is enabled
- global `const` works as before
 2017-03-07 03:11:03 +08:00
Alex Lam S.L
858e6c78a4 warn & drop #__PURE__ iff IIFE is dropped (#1511) 
- consolidate `side-effects` optimisations
- improve string `+` optimisation
- enhance literal & `conditionals` optimisations
 2017-02-28 02:25:44 +08:00
alexlamsl
4e49302916 enable collapse_vars & reduce_vars by default 
- fix corner cases in `const` optimisation
- deprecate `/*@const*/`

fixes #1497
closes #1498
 2017-02-24 01:46:57 +08:00
Anthony Van de Gejuchte
c06a50f338 Add .gitattributes to checkout lf eol style 
closes #1487
 2017-02-21 13:29:58 +08:00
Samuel Reed
1b703349cf Tighten up @const regex. 2016-01-20 11:35:45 -06:00
Samuel Reed
f97da4294a Use TreeWalker for more accurate @const results and update tests 2016-01-20 10:54:00 -06:00
Samuel Reed
8b71c6559b Mark vars with /** @const */ pragma as consts so they can be eliminated. 
Fixes older browser support for consts and allows more flexibility
in dead code removal.
 2016-01-19 13:23:02 -06:00
Richard van Velzen
61e850ceb5 Clean up unit test breakage 
In 992b6b9fcc unit test broke (which I missed). This was due to undeclared variables not being side-effects free.

However, since they're really not side-effect free, just declare them in the test cases.
 2015-02-11 21:27:21 +01:00
Mihai Bazon
919b2733ab always keep declarations found in unreachable code 
a few more tests and some cleanups.
 2012-09-07 15:18:32 +03:00
Mihai Bazon
8dfa9fe7e5 minor 2012-08-27 11:00:26 +03:00
Mihai Bazon
159a6f048c wrote more of the compressor and added some tests 2012-08-22 15:21:58 +03:00