JoBoEVD/UglifyJS
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78a44d5ab0fd2195c8f22cc8a39193b33dad6188
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1019 Commits

Author SHA1 Message Date
Alex Lam S.L
78a44d5ab0 maintain order between side-effects and externally observable assignments (#2879) 
fixes #2878
 2018-02-04 03:58:49 +08:00
Alex Lam S.L
7e13c0db40 handle break & continue in collapse_vars (#2875) 
fixes #2873
 2018-02-03 07:58:43 +08:00
Alex Lam S.L
e6a2e9e4d0 allow collapse_vars across conditional branches (#2867) 2018-02-03 02:44:40 +08:00
Alex Lam S.L
e773f03927 fix assignment logic in reduce_vars (#2872) 
fixes #2869
 2018-02-03 01:33:09 +08:00
Alex Lam S.L
b16380d669 fix missing corner case in #2855 (#2868) 2018-02-02 18:08:56 +08:00
Alex Lam S.L
525a61fb55 better fix for #2858 (#2864) 2018-02-01 20:06:36 +08:00
Alex Lam S.L
c3a002ff97 account for side-effects in comparisons of null & undefined (#2863) 2018-02-01 19:15:17 +08:00
Alex Lam S.L
fad6766a90 simplify comparisons with undefined & null (#2862) 
fixes #2857
 2018-02-01 16:50:54 +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
102f994b9d account for declaration assignment in collapse_vars (#2859) 
fixes #2858
 2018-02-01 15:09:53 +08:00
Alex Lam S.L
2a4c68be4f relax collapse_vars on AST_Exit (#2855) 
First introduced in #1862 to stop assignments to migrate beyond `return` or `throw`. Since then `collapse_vars` has been improved to handle various side-effect-related corner cases.
 2018-01-31 23:49:59 +08:00
Alex Lam S.L
541e6011af improve symbol replacement heuristic (#2851) 2018-01-29 17:41:15 +08:00
Alex Lam S.L
6fa3fbeae8 compress chained compound assignments (#2850) 2018-01-29 15:13:25 +08:00
Alex Lam S.L
193612ac67 fix accounting after conversion to assignment (#2847) 
Missing reference to `AST_SymbolRef` created by `unused` causes `collapse_vars` to misbehave.

fixes #2846
 2018-01-26 14:21:11 +08:00
Alex Lam S.L
95cfce68ea backport of #2835 (#2841) 2018-01-23 05:45:45 +08:00
Alex Lam S.L
ec4202590d drop assignments to constant expressions only (#2839) 
fixes #2838
 2018-01-23 02:49:54 +08:00
Alex Lam S.L
5e2cd07d6f handle duplicate function declarations correctly (#2837) 
fixes #2836
 2018-01-23 01:28:09 +08:00
Alex Lam S.L
e2dc9cf091 fix unsafe evaluate of AST_Array (#2825) 
fixes #2822
 2018-01-21 01:39:44 +08:00
Alex Lam S.L
069df27bf1 enable unsafe for test/ufuzz.js (#2819) 
- introduce `unsafe_undefined`
- safer `.toString()` compression

Miscellaneous
- rename `unsafe_Function`
 2018-01-19 23:47:42 +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
e21bab7ce6 avoid duplicate property names in object literals under "use strict" (#2818) 
fixes #2816
 2018-01-19 20:13:50 +08:00
Alex Lam S.L
082e004b87 compress undefined property names (#2811) 
- enforce property names as string
- handle `void 0` as `undefined` in `hoist_props` & `reduce_vars`
 2018-01-19 00:36:30 +08:00
kzc
983e69128b fix join_vars property assignment for negative array index (#2810) 
fixes #2790
 2018-01-18 21:52:54 +08:00
Alex Lam S.L
cc07f3b806 faster output of comments (#2806) 2018-01-18 02:57:33 +08:00
Alex Lam S.L
07e4b64f3a fix AST_Scope.clone() (#2803) 
fixes #2799
 2018-01-17 21:33:13 +08:00
Alex Lam S.L
d3ce2bc9e7 suppress unsafe_proto for LHS expressions (#2804) 2018-01-17 20:41:51 +08:00
Alex Lam S.L
79cfac77bd extend join_vars & sequences (#2798) 2018-01-17 13:58:27 +08:00
Alex Lam S.L
b4aef753e7 general improvements around AST_ForIn (#2796) 
- compress using `collapse_vars`
- remove unused `name`
- simplify `loop_body`
 2018-01-16 17:03:12 +08:00
Alex Lam S.L
10f961c27b enhance collapse_vars (#2788) 2018-01-15 18:47:23 +08:00
Alex Lam S.L
b483678ca7 avoid suboptimal termination in passes (#2787) 2018-01-15 16:42:31 +08:00
Alex Lam S.L
cbbe6fad60 avoid double counting within single-use functions (#2785) 
fixes #2783
 2018-01-15 16:42:15 +08:00
Alex Lam S.L
62a66dfff4 fix & extend join_vars for object assigments (#2781) 2018-01-14 17:11:31 +08:00
kzc
2cab348341 improve SymbolDef info in --output ast (#2778) 
* SymbolDef info (a.k.a. `thedef`) is now represented as a string containing `"ID name [mangled_name]"`. 
* Enhance display of `globals`, `variables`, `functions` and `enclosed`.
* `SymbolDef.next_id` starts at `1` and the `id` is adjusted for `-o ast` display.
 2018-01-14 01:40:51 +08:00
Alex Lam S.L
e49416e4aa fix reduce_vars on AST_Accessor (#2776) 
fixes #2774
 2018-01-13 02:46:14 +08:00
kzc
d4d7d99b70 add SymbolDef IDs to --output ast (#2772) 2018-01-12 15:41:09 +08:00
Alex Lam S.L
6a696d0a7b fix output of imported AST (#2771) 2018-01-12 01:05:49 +08:00
Alex Lam S.L
b757450cd8 fix nested unused assignments (#2769) 
fixes #2768
 2018-01-11 23:13:44 +08:00
Alex Lam S.L
23ec484806 fix corner case in #2763 (#2766) 2018-01-11 21:18:08 +08:00
Alex Lam S.L
f1e1bb419a join object assignments (#2763) 2018-01-11 17:08:21 +08:00
Alex Lam S.L
6a0af85c8b skip only vars in if_return (#2759) 
fixes #2747
 2018-01-10 19:08:46 +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
bf832cde16 improve synergy between compress and rename (#2755) 2018-01-09 17:55:41 +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
2e22d38a02 improve rename reproducibility (#2754) 
fixes #2752
 2018-01-09 13:53:05 +08:00
Alex Lam S.L
ce27bcd69a compress loops with immediate break (#2746) 
fixes #2740
 2018-01-08 14:30:18 +08:00
Alex Lam S.L
1ee8be8d91 fix recursive function inline (#2738) 
fixes #2737
 2018-01-07 15:31:24 +08:00
Alex Lam S.L
659c8a7632 handle trailing line comments correctly (#2736) 
fixes #2734
 2018-01-06 21:05:21 +08:00
Alex Lam S.L
3564b4f20d compress RegExp() in unsafe (#2735) 2018-01-06 21:04:47 +08:00
Alex Lam S.L
3505a3604a enhance unsafe_proto (#2733) 2018-01-06 06:16:51 +08:00
Alex Lam S.L
9f23185f2b fix corner case with arguments as function name (#2729) 
fixes #2728
 2018-01-05 22:21:18 +08:00