JoBoEVD/UglifyJS
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64 Commits

Author SHA1 Message Date
Alex Lam S.L
7c5b6f349e enhance booleans (#5022) 
closes #5021
 2021-06-23 00:35:50 +08:00
Alex Lam S.L
d68d155f93 support class literals (#4658) 2021-02-23 22:55:08 +08:00
Alex Lam S.L
79e5c3f564 improve warnings (#4247) 
closes #4244
 2020-10-27 17:39:33 +08:00
Alex Lam S.L
55451e7b78 support const (#4190) 2020-10-12 01:18:57 +08:00
Alex Lam S.L
2dbe40b01b enhance conditionals (#4181) 2020-10-05 15:55:37 +08:00
Alex Lam S.L
2039185051 enhance conditionals (#4106) 2020-09-16 05:51:42 +08:00
Alex Lam S.L
9577c8c1b7 fix corner case in conditionals (#3809) 
fixes #3808
 2020-04-22 06:30:08 +08:00
Alex Lam S.L
a2fc32c64b enhance conditionals (#3805) 2020-04-20 09:42:13 +08:00
Alex Lam S.L
fd6144d95b enhance conditionals (#3798) 2020-04-18 22:32:22 +08:00
Alex Lam S.L
6092bf23de fix corner case in evaluate (#3729) 2020-02-19 00:41:10 +00:00
Alex Lam S.L
b499e03f82 enhance conditionals (#3694) 2020-01-28 12:33:21 +08:00
Alex Lam S.L
1988495d71 fix corner case in conditionals (#3669) 
fixes #3668
 2020-01-04 09:24:28 +08:00
Alex Lam S.L
75aa6ef848 enhance conditionals (#3643) 2019-12-22 04:29:32 +00:00
Alex Lam S.L
5045e140b1 fix corner case in conditionals (#3577) 
fixes #3576
 2019-11-09 00:53:15 +08:00
Alex Lam S.L
3797458365 enhance conditionals (#3557) 2019-10-31 09:33:46 +08:00
Alex Lam S.L
e5436ca566 enhance side_effects (#3384) 2019-04-25 15:15:50 +08:00
Alex Lam S.L
a206964c0a enhance side_effects (#3383) 2019-04-25 04:14:21 +08:00
Alex Lam S.L
615ae37ca3 introduce assignments (#3345) 2019-03-18 21:28:41 +08:00
Alex Lam S.L
008c236137 fix corner case in conditionals (#3329) 
fixes #3245
fixes #3257
fixes #3260
fixes #3269
fixes #3271
fixes #3278
fixes #3309
fixes #3319
fixes #3321
 2019-03-13 04:28:21 +08:00
Alex Lam S.L
ce7e220de4 fix corner case in conditionals (#3244) 2018-08-30 15:59:05 +08:00
Alex Lam S.L
2bdaca10ae enhance conditionals (#3243) 2018-08-30 01:06:34 +08:00
alexlamsl
5ffc17d4aa fix corner case in unused 2018-07-01 14:34:42 +08:00
Alex Lam S.L
20ca0f5906 improve truthy compression (#3009) 2018-03-16 06:12:59 +08:00
Alex Lam S.L
56e2a369d0 enhance conditionals (#2966) 
- `x ? (y, w) : (z, w)` => `x ? y : z, w`
 2018-02-28 23:34:48 +08:00
Alex Lam S.L
09269be974 enhance conditionals (#2758) 
`x ? y || z : z` --> `x && y || z`
 2018-01-10 16:59:57 +08:00
Alex Lam S.L
673b071637 enhance join_vars & sequences (#2697) 
- nudge declarations without assignments
  - within `AST_BlockStatement`
  - across `AST_If`
 2018-01-01 00:09:26 +08:00
Alex Lam S.L
ef618332ea fold cascade functionality into collapse_vars (#2586) 2017-12-14 01:20:36 +08:00
Alex Lam S.L
3e34f62a1c account for side-effects in conditional call inversion (#2562) 
fixes #2560
 2017-12-08 01:15:31 +08:00
Alex Lam S.L
9a6b11f8e6 improve boolean compression (#2548) 
fixes #2535
 2017-12-01 22:41:35 +08:00
Alex Lam S.L
09b320e8a5 convert to number under boolean context (#2545) 2017-12-01 12:52:36 +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
2244743545 convert AST_Seq from binary tree to array (#1460) 
- rename `AST_Seq` to `AST_Sequence`
- raise default sequences_limit from 200 to 800
 2017-04-12 21:56:27 +08:00
Alex Lam S.L
cf72fe552f fix delete corner cases (#1799) 
- assignment
- boolean
- conditional
- sequence
 2017-04-08 14:25:28 +08:00
Alex Lam S.L
257ddc3bdb improve compression of undefined, NaN & Infinitiy (#1748) 
- migrate transformation logic from `OutputStream` to `Compressor`
- always turn `undefined` into `void 0` (unless `unsafe`)
- always keep `NaN` except when avoiding local variable redefinition
- introduce `keep_infinity` to suppress `1/0` transform, except when avoiding local variable redefinition

supersedes #1723
fixes #1730
 2017-04-01 03:02:14 +08:00
Alex Lam S.L
09f77c7d4d output optimal representations of NaN & Infinity (#1723) 
- move these optimisations out from `Compressor` to `OutputStream`
- fixes behaviour inconsistency when running uglified code from global or module levels due to redefinition
 2017-03-29 18:31:55 +08:00
kzc
5509e51098 optimize conditional when condition symbol matches consequent (#1684) 2017-03-26 16:36:33 +08:00
Alex Lam S.L
0432a7abb9 fix assignment extraction from conditional (#1651) 
fixes #1645
fixes #1646
 2017-03-24 18:52:48 +08:00
Alex Lam S.L
96f8befdd7 fix commit 88fb83a (#1622) 
The following is wrong:
    `a == (b ? a : c)` => `b`
Because:
- `b` may not be boolean
- `a` might have side effects
- `a == a` is not always `true` (think `NaN`)
- `a == c` is not always `false`
 2017-03-19 11:59:42 +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
Alex Lam S.L
0610c020b1 optimise binary operands with evaluate() (#1427) 
- remove call to evaluate() in is_constant() and let nested optimize() does its job instead
- reject RegExp in is_constant() and remove special case logic under collapse_vars
- operands to conditionals optimisation are now always evaluate()-ed
- throw error in constant_value() instead of returning undefined to catch possible bugs, similar to make_node_from_constant()
- optimise binary boolean operators under `evaluate` instead of `conditionals`
 2017-01-26 12:16:50 +01:00
kzc
ace8aaa0f4 Fix conditional expressions of form (x ? -1 : -1) 
Fixes #1154, #1153
 2016-06-21 14:52:13 -04:00
kzc
98434258d0 Optimize ternaries with boolean consequent or alternative. 
Fixes #511
 2016-04-02 17:22:12 +02:00
kzc
11b0efdf84 boolean_expression ? true : false --> boolean_expression 2016-02-22 17:59:36 +01:00
kzc
774bda13cd #873 Fix conditionals optimizations with default compress options 2015-11-24 13:27:50 -05:00
kzc
9d398d999c spacing 2015-06-14 17:45:19 -04:00
kzc
fedb6191a1 optimizations for && and || where left side is constant expression 2015-06-11 23:22:38 -04:00
Mihai Bazon
a5b60217ce Fix compressing conditionals 
Only transform foo() ? EXP(x) : EXP(y) into EXP(foo() ? x : y) if EXP has no
side effects.

Fix #710
 2015-05-18 13:56:04 +03:00
Mihai Bazon
18c63ff3d8 Fix compression of conditionals 
Don't move the condition on the right side of an assignment when
the left side may have side effects.

Fix #677
 2015-04-13 17:29:48 +03:00
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
Tal Ater
a1a4c2ada7 Optimize conditionals where the consequent and alternative are both booleans and not equivalent 2015-01-13 18:27:21 +01:00