JoBoEVD/UglifyJS
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10a938cb79d19e1476e2744c8651011fd4d7b902
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810 Commits

Author SHA1 Message Date
Alex Lam S.L
10a938cb79 enhance source mapping on IIFEs (#2224) 
fixes #2213
 2017-07-11 02:34:28 +08:00
Alex Lam S.L
71ee91e716 handle duplicate argument names in collapse_vars (#2215) 2017-07-08 04:42:35 +08:00
Alex Lam S.L
4f70d2e28c inlining of static methods & constants (#2211) 
- guard by `unsafe`
- support `Array`, `Math`, `Number`, `Object` & `String`

fixes #2207
 2017-07-07 05:35:32 +08:00
Alex Lam S.L
4b6ca5e742 inline property access of object literal (#2209) 
- only if property value is side-effect-free
- guard by `unsafe`

fixes #2208
 2017-07-06 21:51:58 +08:00
Alex Lam S.L
9306da3c58 suppress collapse_vars of this as call argument (#2204) 
fixes #2203
 2017-07-06 01:03:52 +08:00
Alex Lam S.L
1ac25fc032 improve compress granularity through typeofs (#2201) 
fixes #2198
 2017-07-05 19:20:33 +08:00
Alex Lam S.L
5f046c724b minor clean-ups to evaluate (#2197) 2017-07-03 18:52:39 +08:00
Alex Lam S.L
af0262b7e5 improve parenthesis emission (#2196) 
- eliminate `throw` usages
- suppress extraneous parenthesis
  - `new function() {foo.bar()}.baz`
  - `for (function() { "foo" in bar; };;);`
 2017-07-03 04:17:37 +08:00
Alex Lam S.L
6b3aeff1d8 clean up TreeWalker.pop() (#2195) 
Remove superfluous parameter.
 2017-07-03 03:23:38 +08:00
Alex Lam S.L
20e4f8277f refactor throw usage within compress (#2193) 
Eliminate exceptional constructs from normal control flow.
 2017-07-03 02:10:56 +08:00
Alex Lam S.L
8b69a3d18e drop argument value after collapse_vars (#2190) 2017-07-02 04:28:11 +08:00
Alex Lam S.L
d40950b741 improve inline efficiency (#2188) 
... by teaching `collapse_vars` some new tricks.

fixes #2187
 2017-07-02 01:05:14 +08:00
Alex Lam S.L
bdeadffbf5 improve usability of name cache under minify() (#2176) 
fixes #2174
 2017-06-29 12:48:34 +08:00
Alex Lam S.L
f0a99125ee improve unsafe_Func (#2171) 
- minimise disturbance to `compute_char_frequency()`
- remove extraneous quotation marks
 2017-06-27 23:53:42 +08:00
Alex Lam S.L
1e4de2e6d3 parse @global_defs as expressions (#2169) 
- let parser rejects non-conformant input
- eliminate need for extraneous parenthesis
 2017-06-27 10:31:19 +08:00
Alex Lam S.L
9db4c42380 fix cascade & collapse on property access of constants (#2158) 2017-06-24 21:30:06 +08:00
Alex Lam S.L
94e5e00c03 refactor compute_char_frequency() (#2152) 
- minimise maintenance when updating AST
- maximise code sharing between `master` & `harmony`
 2017-06-23 20:05:31 +08:00
Alex Lam S.L
dc6bcaa18e synchronise mangle.properties for minify() & test/compress (#2151) 2017-06-23 15:53:13 +08:00
Alex Lam S.L
d58b184835 refactor Compressor.toplevel (#2149) 2017-06-23 13:11:40 +08:00
Alex Lam S.L
b3a57ff019 minimise reduce_vars cloning overhead (#2148) 2017-06-23 06:59:53 +08:00
Alex Lam S.L
3d5bc08185 fix reduce_vars on this (#2145) 
fixes #2140
 2017-06-23 04:44:57 +08:00
Alex Lam S.L
0692435f01 fix for-in loop parsing (#2144) 2017-06-23 04:14:30 +08:00
Alex Lam S.L
343ea326c2 ensure mangling works if catch reuses a scope variable (#2123) 
fixes #2120
 2017-06-20 02:14:05 +08:00
Alex Lam S.L
0a0f4f5591 make defensive copies when inline (#2116) 
fixes #2114
 2017-06-17 14:32:37 +08:00
Alex Lam S.L
931daa85bf fix loss of context in collapse_vars & cascade (#2112) 
fixes #2110
 2017-06-16 21:18:43 +08:00
Alex Lam S.L
00e4f7b3c1 in-place tigten_body() (#2111) 
By reducing copies of `AST_Node` arrays, we should be able to reduce:
- memory pressure
- potential bugs caused by multiple references in AST
- duplicated executions of `OPT()`
 2017-06-16 19:19:54 +08:00
Alex Lam S.L
11e63bc335 correctly determine scope of AST_This (#2109) 
fixes #2107
 2017-06-16 14:54:46 +08:00
Alex Lam S.L
33405bb24b enforce inline scope restriction (#2106) 
fixes #2105
 2017-06-16 03:21:38 +08:00
Alex Lam S.L
b85a358deb suppress inline of this (#2103) 
fixes #2101
 2017-06-15 12:14:16 +08:00
Alex Lam S.L
3f961bbba0 compute uses_arguments correctly in figure_out_scope() (#2099) 
fixes #2097
 2017-06-15 03:28:26 +08:00
Alex Lam S.L
2bdc8802dd fix variable accounting in inline (#2085) 
fixes #2084
 2017-06-13 01:40:14 +08:00
Alex Lam S.L
293c566d6c marshal mangle[.properties].reserved from non-Array values (#2072) 2017-06-09 04:29:12 +08:00
Alex Lam S.L
9c306406f1 fix iteration over object with inherited properties (#2068) 
fixes #2055
 2017-06-08 03:27:03 +08:00
Alex Lam S.L
9db0695b10 fix cascade on multi-branch evaluations (#2067) 
Partially reverts #2059 as this has better coverage and performance.

fixes #2062
 2017-06-07 19:52:01 +08:00
Alex Lam S.L
b9ad53d1ab fix inline handling of AST_Call.args (#2059) 2017-06-06 22:55:25 +08:00
Alex Lam S.L
3493a182b2 implement function inlining (#2053) 
- empty body
- single `AST_Return`
- single `AST_SimpleStatement`
- avoid `/*#__PURE__*/`

Miscellaneous
- enhance single-use function substitution

fixes #281
 2017-06-06 05:49:53 +08:00
Alex Lam S.L
27c5284d3d workaround webkit parsing error (#2056) 
apply `webkit` to jetstream tests
 2017-06-06 04:06:42 +08:00
Alex Lam S.L
540220b91b fix AST_Function scope invariance (#2052) 
improve function name hack in `run_code()`
 2017-06-04 19:27:43 +08:00
Alex Lam S.L
1743621889 clean up lib/parse.js (#2047) 
- remove unused definitions
- replace `array_to_hash()`
 2017-06-03 14:00:59 +08:00
Alex Lam S.L
bac14ba881 fix non-identifier getter/setter name (#2041) 
fixes #2040
 2017-06-01 18:11:16 +08:00
Alex Lam S.L
ec095ed647 whitelist unsafe evaluate candidates (#2039) 
- all arguments may accept constant values
- return constant value
- free of side effects
- available & identical across locales and runtime environments
 2017-06-01 04:33:05 +08:00
Alex Lam S.L
17e73121fa enhance unsafe evaluate (#2037) 2017-06-01 00:56:28 +08:00
Alex Lam S.L
e9645e017f introduce unsafe_Func (#2033) 
Separate flag for #203 functionality.
 2017-05-31 03:38:00 +08:00
Alex Lam S.L
1aa38051fb better fix for #512 & #2010 (#2019) 
- remove duplicated functionalities
- fix similar issue with `else`
 2017-05-29 10:51:41 +08:00
Alex Lam S.L
c6c9f4f5a8 implement --help options (#2017) 2017-05-28 18:21:44 +08:00
Alex Lam S.L
7b13159cda fix hoist_funs on block-scoped function under "use strict" (#2013) 
Technically not part of ES5, but commonly used code exists in the wild.
 2017-05-27 17:44:59 +08:00
Alex Lam S.L
95094b9c22 fix if_return on AST_Defun (#2010) 
Previous fiix for #1052 perturbs declaration order of functions which leads to incorrect behaviour under "use strict".
 2017-05-27 13:41:49 +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
c70fb60384 clean up lib/scope.js (#2003) 
fixes #2004
 2017-05-26 03:58:35 +08:00
Alex Lam S.L
793d61499b report timing breakdown (#2000) 
fix corner cases with `sourceMap`

fixes #1998
 2017-05-25 07:15:55 +08:00