JoBoEVD/UglifyJS
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d2c83610f6
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1039 Commits

Author SHA1 Message Date
Сковорода Никита Андреевич
d2c83610f6 Fix deprecated Buffer constructor usage and add safeguards 
This avoids using deprecated Buffer constructor API on newer Node.js
versions.

To achieve that, Buffer.from presence is checked, with validating that
it's not the same method as Uint8Array.from.

Also, additional checks were added for older Node.js versions to
ensure that a number is never accidentally passed to the Buffer
constructor. Throwing is in line with browser atob/btoa behavior,
and in line with what Buffer.from does on numbers in newer Node.js
versions.

No actual security issues present in that code, the safeguard has been
added preemptively to avoid accidential calls to atob/btoa(number) in
the future.

Refs:
https://nodejs.org/api/deprecations.html#deprecations_dep0005_buffer_constructor
 2018-05-28 08:55:14 +03:00
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
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
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
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
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
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