JoBoEVD/UglifyJS
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798 Commits

Author SHA1 Message Date
Alex Lam S.L
49bfc6b555
improve performance (#3020) 
- replace `find_if()` with `all()` wherever possible
- move ESTree-specific logic out of `figure_out_scope()`
 2018-03-23 03:43:52 +08:00
Alex Lam S.L
d1c6bb8c7c
fix nested inline within loop (#3019) 
fixes #3018
 2018-03-23 02:31:59 +08:00
Alex Lam S.L
5c169615a8
fix corner case in inline (#3017) 
fixes #3016
 2018-03-22 23:46:26 +08:00
Alex Lam S.L
ccf0e2ef4f
extend fuzzy RHS folding (#3006) 
- `a = []; if (1) x();` => `if (a = []) x();`
 2018-03-17 03:10:21 +08:00
Alex Lam S.L
20ca0f5906
improve truthy compression (#3009) 2018-03-16 06:12:59 +08:00
Alex Lam S.L
b29d435bb5
refactor brackets to braces (#3005) 2018-03-15 15:46:45 +08:00
Alex Lam S.L
188c39e8d5
retain comments within brackets (#2999) 
fixes #2998
 2018-03-13 18:44:21 +08:00
Alex Lam S.L
5429234138
preserve non-constant value assignments with modifications (#2997) 
fixes #2995
 2018-03-13 17:35:34 +08:00
Alex Lam S.L
b9f72a4a81
handle case correctly under reduce_vars (#2993) 
fixes #2992
 2018-03-11 15:54:43 +08:00
Alex Lam S.L
fc6ebd04a5
preserve case when inline_script (#2991) 
fixes #2989
 2018-03-11 05:11:12 +08:00
Alex Lam S.L
10b3752b1e
fix mangle of AST_SymbolLambda under ie8 (#2978) 
fixes #2976
 2018-03-07 17:20:38 +08:00
Alex Lam S.L
fe51a91395
handle negated constants correctly in collapse_vars (#2975) 
fixes #2974
 2018-03-06 00:45:58 +08:00
Alex Lam S.L
798fc21530
improve test/run-test.js performance (#2971) 
- allow reuse of contextified sandbox
- minimise bottleneck from `vm.createContext()`
 2018-03-04 04:50:00 +08:00
Alex Lam S.L
a75a046abb
compress arguments[index] (#2967) 
- always replace with existing parameter
- only introduce new parameter if `keep_fargs` is disabled
 2018-03-02 11:22:09 +08:00
Alex Lam S.L
38f2b4579f
fix value reference caching in evaluate (#2969) 
fixes #2968
 2018-03-02 04:04:29 +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
0daa199fa8
migrate safe transformations out of unsafe_comps (#2962) 
fixes #2959
 2018-02-28 22:02:24 +08:00
Alex Lam S.L
73e98dcda4
drop side_effects-free return values (#2965) 2018-02-28 19:59:19 +08:00
Alex Lam S.L
36bca6934d
enhance collapse_vars (#2952) 
- `a = b, b` => `a = b`
- `a.b = c, c()` => `(a.b = c)()`
 2018-02-28 15:19:32 +08:00
Alex Lam S.L
ace5811691
drop lone "use strict" in function body (#2963) 
fixes #2961
 2018-02-26 15:22:52 +08:00
Dan
ba7bad0dbd show benchmark subtotal (#2960) 
At the end of the benchmark, sums of the input, output and
gzip values are shown, such as:

    Subtotal

    Original: 7785102 bytes
    Uglified: 2283862 bytes
    GZipped:  662354 bytes
 2018-02-26 11:46:26 +08:00
Alex Lam S.L
b8b2ac5230
improve fix for #2954 (#2958) 2018-02-26 03:14:22 +08:00
Alex Lam S.L
ea2359381b
fix collapse_vars on nested exception (#2955) 
fixes #2954
 2018-02-25 15:39:00 +08:00
Alex Lam S.L
52de64cf16
deduplicate parenthesis around object and function literals (#2953) 2018-02-25 02:14:33 +08:00
Alex Lam S.L
455790202a
minor clean-ups (#2951) 2018-02-24 02:24:47 +08:00
Alex Lam S.L
f40f5eb228
improve mangle (#2948) 2018-02-23 23:51:49 +08:00
Alex Lam S.L
29a71d3aae
more tests for #2938 (#2940) 2018-02-21 04:19:42 +08:00
Alex Lam S.L
39a907bde3
workaround pure_getters=true when dropping unused assignments (#2939) 
fixes #2938
 2018-02-20 17:38:40 +08:00
Alex Lam S.L
70474310f3
improve unsafe evaluate of function (#2936) 
Miscellaneous
- simplify `run_code()` hack
 2018-02-19 18:47:02 +08:00
Alex Lam S.L
b5f0f4f3a1
reduce false positives from object literals (#2935) 2018-02-19 06:21:07 +08:00
Alex Lam S.L
2905fd625a
reduce false positives from labels (#2934) 2018-02-19 03:55:33 +08:00
Alex Lam S.L
4facd94029
reduce false positives from noop (#2933) 2018-02-19 01:15:05 +08:00
Alex Lam S.L
4b5993ff15
fix crash in may_throw() (#2932) 
fixes #2931
 2018-02-18 21:51:27 +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
4a528c469c
reduce false positives from function.toString() (#2928) 2018-02-18 02:13:26 +08:00
Alex Lam S.L
82d1ef0242
fix unsafe evaluate of function property (#2927) 
fixes #2926
 2018-02-17 21:33:36 +08:00
Alex Lam S.L
7fdd2082a6
drop unused "class" definition IIFEs (#2923) 
fixes #805
 2018-02-17 05:11:31 +08:00
Alex Lam S.L
e529f54e90
reduce function-related false positives (#2925) 2018-02-17 04:35:03 +08:00
Alex Lam S.L
d626e9bf19
improve inline efficiency (#2924) 2018-02-17 02:37:13 +08:00
Alex Lam S.L
a2a9459684
fix unsafe evaluate of AST_Function (#2920) 
fixes #2919
 2018-02-16 17:21:46 +08:00
Alex Lam S.L
d316fb139d
fix unsafe evaluate on type-converting operators (#2917) 
fixes #2916
 2018-02-14 16:48:47 +08:00
Alex Lam S.L
83d8aa8b12
fix collapse_vars within loops (#2915) 
fixes #2914
 2018-02-14 05:15:52 +08:00
Alex Lam S.L
4f1c12b6fd
report options upon reminify input error (#2911) 2018-02-13 07:29:39 +08:00
Alex Lam S.L
d8e0e34354
collapse within unary expressions (#2910) 2018-02-13 07:10:37 +08:00
Alex Lam S.L
0c4f315c02
fix corner case in collapse_vars (#2909) 
fixes #2908
 2018-02-13 01:41:22 +08:00
Alex Lam S.L
0809699bdc
simplify do-while into for (#2907) 
fixes #2904
 2018-02-12 23:28:28 +08:00
Alex Lam S.L
2088e1c19d
fix AST corruption due to collapse_vars & inline (#2899) 
fixes #2898
 2018-02-09 06:54:37 +08:00
Alex Lam S.L
bf1d47180c
fix join_vars on property accessors (#2895) 
fixes #2893
 2018-02-09 01:52:39 +08:00
Alex Lam S.L
d66d86f20b
account for exceptions in AST_Assign.left (#2892) 
fixes #2891
 2018-02-08 03:31:51 +08:00
Alex Lam S.L
d69d8007d6
evaluate to{Low,Upp}erCase() under unsafe (#2886) 2018-02-06 15:57:15 +08:00
Dan
9637f51b68 change undefined == x to null == x (#2882) 
fixes #2871
 2018-02-05 15:00:23 +08:00
Alex Lam S.L
3026bd8975
improve exceptional flow compression by collapse_vars (#2880) 2018-02-04 04:18:22 +08:00
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
3cc1527f00
always test for rename (#2865) 2018-02-01 21:42:55 +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
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
ac9a168fba fix & improve test/ufuzz.js (#2815) 
- use correct `options` when testing `rename`
- mask arbitrarily assigned function IDs to reduce rate of false positives
 2018-01-19 16:51:59 +08:00
Alex Lam S.L
81b64549ce
fix time-out for respawned test/ufuzz.js (#2814) 2018-01-19 06:11:19 +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
b335912e86
enhance test/ufuzz.js (#2808) 
- standalone test for `rename`
- handle `keep_fargs` & `rename` upon failure
 2018-01-18 14:08:05 +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
cff3bf4914
configure rename with CLI (#2802) 2018-01-17 15:12:22 +08:00
Alex Lam S.L
79cfac77bd
extend join_vars & sequences (#2798) 2018-01-17 13:58:27 +08:00
Alex Lam S.L
224c14d49d
improve mocha tests (#2797) 
- workaround sporadic delays from Travis CI
 2018-01-16 17:51:25 +08:00
Alex Lam S.L
7857354d85
improve test/travis-ufuzz.js (#2795) 
- print usage
- support concurrent jobs
- improve instance utilisation
- resume after V8 self-destruct
 2018-01-16 17:33:21 +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
ec7cd1dcf7
handle VM failure gracefully (#2791) 2018-01-15 23:41:39 +08:00
Alex Lam S.L
7def684730
improve test/travis-ufuzz.js (#2789) 
- wait for instance to boot
- run on forked repositories
- workaround `request_limit_reached`
 2018-01-15 19:18:21 +08:00
Alex Lam S.L
10f961c27b
enhance collapse_vars (#2788) 2018-01-15 18:47:23 +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
f96929c031
improve test/travis-ufuzz.js (#2786) 
- use more RAM
- show progress in console
- report failure as job status
 2018-01-15 15:08:35 +08:00
Alex Lam S.L
2b6657e967 run test/ufuzz.js when Travis CI is idle (#2784) 2018-01-15 08:52:11 +08:00
Alex Lam S.L
62a66dfff4
fix & extend join_vars for object assigments (#2781) 2018-01-14 17:11:31 +08:00
Alex Lam S.L
e49416e4aa
fix reduce_vars on AST_Accessor (#2776) 
fixes #2774
 2018-01-13 02:46:14 +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
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