JoBoEVD/UglifyJS
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229 Commits

Author SHA1 Message Date
Jiavan
b39043f3ab re-introduce enclose (#3163) 
fixes #2443
 2018-06-01 16:47:11 +08:00
exvisory
0b7c70f726 Update README.md to clarify --source-map filename option (#3137) 
Clarify that the --source-map filename option does NOT change the source map output filename but does set the 'file' attribute within the output source map. This was already documented in the API section of the README so I just copied that to the CLI options section, and a fragment to the CLI summary.
 2018-05-18 15:50:36 +08:00
Alex Lam S.L
c71ed91e63
update AST documentation (#3094) 
fixes #2622
 2018-04-24 14:39:12 +08:00
Alex Lam S.L
183da16896
handle pure_funcs under inline & reduce_vars correctly (#3066) 
fixes #3065
 2018-04-10 02:46:38 +08:00
Alex Lam S.L
b29d435bb5
refactor brackets to braces (#3005) 2018-03-15 15:46:45 +08:00
Alex Lam S.L
d8fc281915
update dependencies (#3002) 
acorn 5.5.3
commander 2.15.0

Miscellaneous
- drop unmaintained package from README
 2018-03-14 15:54:41 +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
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
0daa199fa8
migrate safe transformations out of unsafe_comps (#2962) 
fixes #2959
 2018-02-28 22:02:24 +08:00
Dan
cb0257dbbf describe a few compiler assumptions (#2883) 2018-02-06 14:19:03 +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
Joël Galeran
424173d311 fix typo in README (#2792) 2018-01-16 10:29:38 +08:00
Alex Lam S.L
7d3cddf9d6
inline functions with AST_Var (#2688) 2018-01-03 01:54:44 +08:00
Alex Lam S.L
86ae5881b7
disable hoist_funs by default (#2626) 2017-12-20 17:05:40 +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
97c464dbf5
fix wording and formatting (#2512) 2017-11-25 19:07:46 +08:00
Alex Lam S.L
b80062c490
enable hoist_props by default (#2492) 2017-11-19 14:56:23 +08:00
kzc
6142117cdd document the webkit output option (#2490) 
- workaround for WebKit bugs
- PhantomJS users should enable this output option

closes #2489
 2017-11-17 13:46:49 +08:00
kzc
557636f3b7 update documentation for reduce_funcs (#2478) 2017-11-14 16:03:25 +08:00
Alex Lam S.L
3c74047368
implement compress option reduce_funcs (#2466) 
- inline single-use function declarations as expressions when permissible
- depend on `reduce_vars`
- enabled by default
- disable for speed critical code

fixes #2464
 2017-11-11 05:59:35 +08:00
kzc
ae67a49850 document compress option hoist_props (#2399) 2017-10-25 14:03:43 +08:00
Tom MacWright
1968203d83 docs: Fix spelling and style (#2395) 2017-10-24 04:59:12 +08:00
Alex Lam S.L
9f4b98f8e4 backport #2374 (#2376) 2017-10-19 23:02:27 +08:00
Alex Lam S.L
ec598c351b fix-ups for #2356 (#2360) 2017-10-15 22:33:55 +08:00
Roger Peppe
99800d4aa9 update README to include defaults (#2356) 
fixes #2353
 2017-10-12 02:56:02 +08:00
Tim Malone
70d56c951a Update README.md - sourceMappingURL directive note (#2355) 
Moves this README note to underneath the 'url' rather than 'root' option.
 2017-10-11 19:48:43 +08:00
David Šanda
71d52f147d Fix CLI example for mangle reserved list of names (#2294) 2017-08-31 00:55:32 +08:00
David Šanda
eb7adaa6fc Fix CLI source-maps examples (#2291) 
fixes #2284
 2017-08-29 23:49:20 +08:00
Alex Lam S.L
458e3e15f0 enhance passes (#2229) 
- remove hardcoded upper limit
- continue based on node count reduction
- emit verbose statistics

fixes #2226
 2017-07-13 02:18:59 +08:00
kzc
145874e504 docs: update benchmarks using node 8, add babili (#2218) 2017-07-09 01:06:15 +08:00
Alex Lam S.L
1ac25fc032 improve compress granularity through typeofs (#2201) 
fixes #2198
 2017-07-05 19:20:33 +08:00
kzc
f3a487a368 document fast mangle-only minify mode (#2194) 2017-07-03 01:37:04 +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
kzc
da2de350c3 add comment about quote_style and gzip (#2092) 2017-06-14 12:23:03 +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
kzc
f330ab743a better document behavior of unsafe_Func (#2043) 2017-06-02 12:07:17 +08:00
kzc
f71e8fd948 reformat mangle options section of README (#2036) 2017-05-31 21:52:43 +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
e62b879b48 display default values in --help options (#2018) 2017-05-28 22:57:20 +08:00
kzc
1ff8e9dd38 clarify what --mangle-props does (#2012) 2017-05-27 13:17:30 +08:00
kzc
78309a293d better document mangle properties options (#2009) 2017-05-27 02:28:43 +08:00
kzc
695e182d59 fix and expand --mangle-props documentation (#2008) 
fixes #2007
 2017-05-27 01:25:51 +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
kzc
69ac794bc8 add another minify() options example (#1988) 2017-05-22 12:19:07 +08:00
Alex Lam S.L
efdb65913b improve usability of global_defs in minify() (#1987) 
Use `@key` to `parse()` string value as `AST_Node`.

fixes #1986
 2017-05-22 01:38:43 +08:00
kzc
a1dedeb3ce more refinement of minify() documentation (#1983) 2017-05-21 04:55:03 +08:00
kzc
22aedef849 document minify() option toplevel (#1979) 2017-05-20 22:09:21 +08:00
kzc
5bf8d7e949 document 3.x minify() does not throw errors (#1975) 2017-05-20 10:49:35 +08:00
kzc
1df9d06f4a document minify warnings and add an error example (#1973) 2017-05-19 17:20:21 +08:00
Alex Lam S.L
eae26756f1 introduce unsafe_regexp (#1970) 
fixes #1964
 2017-05-19 09:06:29 +08:00
Kara
6ed90913ca fix docs for side_effects flag to reflect current behavior (#1966) 2017-05-18 10:51:49 +08:00
Rob Garrison
baef8bf050 update output options in readme (#1958) 2017-05-17 11:54:46 +08:00
alexlamsl
0813c5316f remove Travis CI badge 2017-05-17 10:32:59 +08:00
Alex Lam S.L
cb45886512 export TreeTransformer (#1950) 
- link to existing documentation on `TreeWalker` & `TreeTransformer`
- fix Travis build failures

fixes #1949
 2017-05-16 19:59:05 +08:00
alexlamsl
f18abd1b9c minor fixes to README.md 2017-05-16 01:33:01 +08:00
kzc
3be06ad085 reorg README for 3.x (#1942) 2017-05-16 01:12:00 +08:00
kzc
504a436e9d Tweak README Notes (#1934) 2017-05-14 02:12:14 +08:00
olsonpm
fd0951231c document 3 max passes (#1928) 2017-05-13 12:54:32 +08:00
olsonpm
9e29b6dad2 clarify wording (#1931) 2017-05-13 12:54:01 +08:00
olsonpm
547f41beba add documentation for side_effects & [#@]__PURE__ (#1925) 2017-05-12 12:29:55 +08:00
kzc
2b44f4ae30 update README (#1918) 2017-05-12 03:36:33 +08:00
Alexis Tyler
e51c3541da fix typo (#1913) 2017-05-11 20:24:33 +08:00
Alex Lam S.L
3bf194684b update documentation (#1909) 
- clarify options on `--source-map`
- fix `minify()` examples

fixes #1905
 2017-05-11 17:50:50 +08:00
kzc
04f2344efc Remove unnecessary git clone instructions in README (#1897) 2017-05-10 11:06:50 +08:00
kzc
bad9d5cf88 Change harmony to uglify-es in master README (#1895) 2017-05-10 05:07:45 +08:00
Alex Lam S.L
bc3fa78e8c mention minify().error 2017-05-09 16:09:48 +08:00
kzc
3dd328dce3 [3.x] fix documentation for beautify options (#1882) 
- use underscores rather than dashes.
 2017-05-08 23:06:56 +08:00
Alex Lam S.L
da295de82b support dumping AST (#1879) 
Re-order `AST_Binary` properties to make dump more readable.

closes #769
 2017-05-08 06:23:01 +08:00
Alex Lam S.L
2d99d06601 update documentation 
Remove deprecated CLI option
 2017-05-07 03:02:46 +08:00
kzc
64d74432f6 update README for 3.x (#1840) 2017-04-23 04:28:32 +08:00
Roman Dvornov
6f954aa3d0 Fix API reference examples (#1834) 2017-04-21 02:23:41 +08:00
Alex Lam S.L
251ff1d1af update README (#1813) 
- mention major version bump
- remove reference to internal API
 2017-04-16 04:04:28 +08:00
Alex Lam S.L
ec443e422c unify CLI & API under minify() (#1811) 
- rename `screw_ie8` to `ie8`
- rename `mangle.except` to `mangle.reserved`
- rename `mangle.properties.ignore_quoted` to `mangle.properties.keep_quoted` 
- compact `sourceMap` options
- more stringent verification on input `options`
- toplevel shorthands
  - `ie8`
  - `keep_fnames`
  - `toplevel`
  - `warnings`
- support arrays and unquoted string values on CLI
- drop `fromString` from `minify()`
  - `minify()` no longer handles any `fs` operations
- unify order of operations for `mangle_properties()` on CLI & API
  - `bin/uglifyjs` used to `mangle_properties()` before even `Compressor`
  - `minify()` used to `mangle_properties()` after `Compressor` but before `mangle_names()`
  - both will now do `Compressor`, `mangle_names()` then `mangle_properties()`
- `options.parse` / `--parse` for parser options beyond `bare_returns`
- add `mangle.properties.builtins` to disable built-in reserved list
  - disable with `--mangle-props builtins` on CLI
- `warnings` now off by default
- add `--warn` and `--verbose` on CLI
- drop `--enclose`
- drop `--export-all`
- drop `--reserved-file`
  - use `--mangle reserved` instead
- drop `--reserve-domprops`
  - enabled by default, disable with `--mangle-props domprops`
- drop `--prefix`
  - use `--source-map base` instead
- drop `--lint`
- remove `bin/extract-props.js`
- limit exposure of internal APIs
- update documentations

closes #96
closes #102
closes #136
closes #166
closes #243
closes #254
closes #261
closes #311
closes #700
closes #748
closes #912
closes #1072
closes #1366
fixes #101
fixes #123
fixes #124
fixes #263
fixes #379
fixes #419
fixes #423
fixes #461
fixes #465
fixes #576
fixes #737
fixes #772
fixes #958
fixes #1036
fixes #1142
fixes #1175
fixes #1220
fixes #1223
fixes #1280
fixes #1359
fixes #1368
 2017-04-15 23:50:50 +08:00
Alex Lam S.L
0f4cd73dcc introduce "strict" to pure_getters (#1795) 2017-04-07 13:31:58 +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
ee95c1b38b metadata cleanup (#1630) 
- mention performance anomaly in Node 7 and drop from CI
- remove unused npm "scripts"
- mark browserify dependency as optional
- stop `test/mozilla-ast.js` from spamming console output in later versions of Node.js
 2017-03-23 01:31:46 +08:00
Christian Maughan Tegnér
b7c112eefe Add --in-source-map inline documentation (#1611) 2017-03-17 03:08:38 +08:00
Alex Lam S.L
711f88dcb4 scan assignment value in drop_unused() (#1578) 
those were not optimised for `unused` before, which made it necessary for `reduce_vars` to have separate steps for `keep_fnames`

docs update by @kzc

closes #1577
 2017-03-08 18:37:32 +08:00
Alex Lam S.L
1f0333e9f1 stay safe with constants in IE8- (#1547) 
- `undefined` etc. can be redefined at top-level for IE8-, so disable related optimisations
- fixed `--support-ie8` catch mangle bug
 2017-03-05 12:51:11 +08:00
Alex Lam S.L
07accd2fbb process code with implicit return statement (#1522) 
Bookmarklet for instance implicitedly assumes a "completion value" without using `return`.
The `expression` option now supports such use cases.
Optimisations on IIFEs also enhanced.

fixes #354
fixes #543
fixes #625
fixes #628
fixes #640
closes #1293
 2017-03-03 18:13:07 +08:00
Alex Lam S.L
18059cc94f compress numerical expressions (#1513) 
safe operations
- `a === b` => `a == b`
- `a + -b`  => `a - b`
- `-a + b`  => `b - a`
- `a+ +b`   => `+b+a`

associative operations
(bit-wise operations are safe, otherwise `unsafe_math`)
- `a + (b + c)`       => `(a + b) + c`
- `(n + 2) + 3`       => `5 + n`
- `(2 * n) * 3`       => `6 * n`
- `(a | 1) | (2 | d)` => `(3 | a) | b`

fixes #412
 2017-03-03 18:04:32 +08:00
Alex Lam S.L
f5cbe19b75 invert reduce_vars tracking flag (#1519) 
Modules like webpack and grunt-contrib-uglify still uses `ast.transform(compressor)` before `Compressor.compress(ast)` was introduced.

Workaround this compatibility issue by deactivating `reduce_vars` in such case.

Also fix use case with omitted `options` when calling `Compressor()`.

fixes #1516
 2017-03-01 04:12:10 +08:00
kzc
b1c593a041 add harmony branch details in README (#1507) 2017-02-27 01:55:24 +08:00
Alex Lam S.L
834f9f3924 update docs for pure_funcs & drop_console (#1503) 
closes #1362
closes #1399
 2017-02-25 04:13:10 +08:00
alexlamsl
4e49302916 enable collapse_vars & reduce_vars by default 
- fix corner cases in `const` optimisation
- deprecate `/*@const*/`

fixes #1497
closes #1498
 2017-02-24 01:46:57 +08:00
alexlamsl
ec64acd2c8 introduce unsafe_proto 
- `Array.prototype.slice` => `[].slice`

closes #1491
 2017-02-21 13:29:58 +08:00
alexlamsl
e275148998 enhance global_defs 
- support arrays, objects & AST_Node
- support `"a.b":1` on both cli & API
- emit warning if variable is modified
- override top-level variables

fixes #1416
closes #1198
closes #1469
 2017-02-21 13:29:58 +08:00
alexlamsl
148047fbbf drop unused: toplevel, assign-only 
- assign statement does not count towards variable usage by default
- only works with assignments on the same scope level as declaration
- can be disabled with `unused` set to "keep_assign"
- `toplevel` to drop unused top-level variables and/or functions
- `top_retain` to whitelist top-level exceptions

closes #1450
 2017-02-21 13:29:57 +08:00
kzc
ec2e5fa3a2 Have minify() and tests use figure_out_scope() as uglifyjs CLI does 
Clarify docs, help and tests for --support-ie8 and screw_ie8=false
 2017-01-19 17:14:33 +01:00
Wiktor Kwapisiewicz
0913db8c84 Add note about name mangling when using --mangle-props=unquoted (#1314) 2017-01-19 16:47:10 +01:00
1111hui
a7b3b0d3a5 docs: add doc for option.outFileName 2016-11-29 20:29:12 +01:00
Ashley (Scirra)
2a9989dd18 Add --mangle-props-debug and fix --mangle-props=unquoted collision 
Patch by @AshleyScirra

Based on: PR #1316

Renamed the CLI debug option to --mangle-props-debug

Fixes: #1321 name collision in --mangle-props=unquoted
 2016-11-29 20:25:39 +01:00
Anthony Van de Gejuchte
8d74f34373 Don't filter shebangs when using the 'some' comment filter 
Also clarify documentation a bit more about using regexp as filter
 2016-10-23 21:31:03 +02:00
pengzhenqing
e51c6ba380 Add an option for writing inline source map 2016-10-23 21:21:39 +02:00
alexlamsl
4761d07e0b Optimize unmodified variables 2016-10-01 11:36:11 +02:00
Anthony Van de Gejuchte
0111497fc9 Make all comment options in cli available in js api 
Also removing more code within "loop" while at it.
 2016-09-06 17:54:45 +02:00
Timothy Gu
37f4395cc0 Add missing { in README 
Also fix a trivial style mistake.
 2016-08-14 21:52:39 +02:00
homuler
9edbe93df5 Fix the document of keep_fnames option 2016-07-17 19:50:48 +02:00
Yotam Spenser
af37ecafe1 Source map URL override from programmatic API 2016-07-17 19:39:08 +02:00
kzc
5576e2737a Document that the smallest sequences optimization length is 2 
and a sequences value of 1 is considered to be `true` - which
will be set to the default value of 200.
 2016-07-01 09:41:31 +02:00