UglifyJS.git
7 years agoimprove CLI usability (#2016)
Alex Lam S.L [Sat, 27 May 2017 20:09:40 +0000 (04:09 +0800)]
improve CLI usability (#2016)

Report supported options upon invalid option syntax.

fixes #1883

7 years agoextend `node_version` range on applicable tests (#2015)
Alex Lam S.L [Sat, 27 May 2017 14:18:28 +0000 (22:18 +0800)]
extend `node_version` range on applicable tests (#2015)

7 years agov3.0.12
Alex Lam S.L [Sat, 27 May 2017 10:08:09 +0000 (18:08 +0800)]
v3.0.12

7 years agofix `hoist_funs` on block-scoped `function` under "use strict" (#2013)
Alex Lam S.L [Sat, 27 May 2017 09:44:59 +0000 (17:44 +0800)]
fix `hoist_funs` on block-scoped `function` under "use strict" (#2013)

Technically not part of ES5, but commonly used code exists in the wild.

7 years agofix `if_return` on `AST_Defun` (#2010)
Alex Lam S.L [Sat, 27 May 2017 05:41:49 +0000 (13:41 +0800)]
fix `if_return` on `AST_Defun` (#2010)

Previous fiix for #1052 perturbs declaration order of functions which leads to incorrect behaviour under "use strict".

7 years agoclarify what --mangle-props does (#2012)
kzc [Sat, 27 May 2017 05:17:30 +0000 (01:17 -0400)]
clarify what --mangle-props does (#2012)

7 years agobetter document mangle properties options (#2009)
kzc [Fri, 26 May 2017 18:28:43 +0000 (14:28 -0400)]
better document mangle properties options (#2009)

7 years agofix and expand --mangle-props documentation (#2008)
kzc [Fri, 26 May 2017 17:25:51 +0000 (13:25 -0400)]
fix and expand --mangle-props documentation (#2008)

fixes #2007

7 years agofix `dead_code` on block-scoped `function` under "use strict" (#2006)
Alex Lam S.L [Fri, 26 May 2017 08:08:51 +0000 (16:08 +0800)]
fix `dead_code` on block-scoped `function` under "use strict" (#2006)

Technically not part of ES5, but commonly used code exists in the wild.

7 years agoclean up `lib/scope.js` (#2003)
Alex Lam S.L [Thu, 25 May 2017 19:58:35 +0000 (03:58 +0800)]
clean up `lib/scope.js` (#2003)

fixes #2004

7 years agoreport timing breakdown (#2000)
Alex Lam S.L [Wed, 24 May 2017 23:15:55 +0000 (07:15 +0800)]
report timing breakdown (#2000)

fix corner cases with `sourceMap`

fixes #1998

7 years agoensure new line after `describe_ast()` (#1999)
Alex Lam S.L [Wed, 24 May 2017 18:32:36 +0000 (02:32 +0800)]
ensure new line after `describe_ast()` (#1999)

7 years agoreinstate `describe_ast()` on CLI (#1996)
Alex Lam S.L [Tue, 23 May 2017 18:30:09 +0000 (02:30 +0800)]
reinstate `describe_ast()` on CLI (#1996)

fixes #1995

7 years agov3.0.11
Alex Lam S.L [Tue, 23 May 2017 14:26:59 +0000 (22:26 +0800)]
v3.0.11

7 years agofix source map offset (#1993)
Alex Lam S.L [Tue, 23 May 2017 12:25:48 +0000 (20:25 +0800)]
fix source map offset (#1993)

Account for whitespace insertions.

fixes #505
fixes #890

7 years agoadd another minify() options example (#1988)
kzc [Mon, 22 May 2017 04:19:07 +0000 (00:19 -0400)]
add another minify() options example (#1988)

7 years agoimprove usability of `global_defs` in `minify()` (#1987)
Alex Lam S.L [Sun, 21 May 2017 17:38:43 +0000 (01:38 +0800)]
improve usability of `global_defs` in `minify()` (#1987)

Use `@key` to `parse()` string value as `AST_Node`.

fixes #1986

7 years agomore refinement of minify() documentation (#1983)
kzc [Sat, 20 May 2017 20:55:03 +0000 (16:55 -0400)]
more refinement of minify() documentation (#1983)

7 years agov3.0.10
Alex Lam S.L [Sat, 20 May 2017 17:30:17 +0000 (01:30 +0800)]
v3.0.10

7 years agoadd "es5" to package.json keywords (#1980)
kzc [Sat, 20 May 2017 14:09:51 +0000 (10:09 -0400)]
add "es5" to package.json keywords (#1980)

7 years agodocument minify() option `toplevel` (#1979)
kzc [Sat, 20 May 2017 14:09:21 +0000 (10:09 -0400)]
document minify() option `toplevel` (#1979)

7 years agoenhance `if_return` to handle `return void...` (#1977)
Alex Lam S.L [Sat, 20 May 2017 07:58:46 +0000 (15:58 +0800)]
enhance `if_return` to handle `return void...` (#1977)

fixes #512

7 years agodocument 3.x minify() does not throw errors (#1975)
kzc [Sat, 20 May 2017 02:49:35 +0000 (22:49 -0400)]
document 3.x minify() does not throw errors (#1975)

7 years agodocument minify `warnings` and add an error example (#1973)
kzc [Fri, 19 May 2017 09:20:21 +0000 (05:20 -0400)]
document minify `warnings` and add an error example (#1973)

7 years agov3.0.9
Alex Lam S.L [Fri, 19 May 2017 01:35:26 +0000 (09:35 +0800)]
v3.0.9

7 years agointroduce `unsafe_regexp` (#1970)
Alex Lam S.L [Fri, 19 May 2017 01:06:29 +0000 (09:06 +0800)]
introduce `unsafe_regexp` (#1970)

fixes #1964

7 years agov3.0.8
Alex Lam S.L [Thu, 18 May 2017 06:49:40 +0000 (14:49 +0800)]
v3.0.8

7 years agomake `expect_stdout` node version specific (#1963)
Alex Lam S.L [Thu, 18 May 2017 03:28:35 +0000 (11:28 +0800)]
make `expect_stdout` node version specific (#1963)

... via semver string on `node_version` label.

7 years agofix docs for side_effects flag to reflect current behavior (#1966)
Kara [Thu, 18 May 2017 02:51:49 +0000 (19:51 -0700)]
fix docs for side_effects flag to reflect current behavior (#1966)

7 years agoimprove `RegExp` handling (#1959)
Alex Lam S.L [Wed, 17 May 2017 12:10:50 +0000 (20:10 +0800)]
improve `RegExp` handling (#1959)

- remove `options.output.unescape_regexps`
- preserve original pattern whenever possible

fixes #54
fixes #1929

7 years agoremove `space_colon` (#1960)
Alex Lam S.L [Wed, 17 May 2017 06:07:34 +0000 (14:07 +0800)]
remove `space_colon` (#1960)

Always emit space after colon when `options.output.beautify` is enabled.

7 years agoupdate output options in readme (#1958)
Rob Garrison [Wed, 17 May 2017 03:54:46 +0000 (22:54 -0500)]
update output options in readme (#1958)

7 years agoremove Travis CI badge
alexlamsl [Wed, 17 May 2017 02:32:59 +0000 (10:32 +0800)]
remove Travis CI badge

7 years agov3.0.7
Alex Lam S.L [Tue, 16 May 2017 11:59:40 +0000 (19:59 +0800)]
v3.0.7

7 years agoexport `TreeTransformer` (#1950)
Alex Lam S.L [Tue, 16 May 2017 11:59:05 +0000 (19:59 +0800)]
export `TreeTransformer` (#1950)

- link to existing documentation on `TreeWalker` & `TreeTransformer`
- fix Travis build failures

fixes #1949

7 years agov3.0.6
Alex Lam S.L [Mon, 15 May 2017 22:38:58 +0000 (06:38 +0800)]
v3.0.6

7 years agoprint package name alongside version in CLI (#1946)
Alex Lam S.L [Mon, 15 May 2017 22:34:32 +0000 (06:34 +0800)]
print package name alongside version in CLI (#1946)

fixes #1945

7 years agofix parsing of property access after new line (#1944)
Alex Lam S.L [Mon, 15 May 2017 21:40:49 +0000 (05:40 +0800)]
fix parsing of property access after new line (#1944)

Account for comments when detecting property access in `tokenizer`.

fixes #1943

7 years agominor fixes to README.md
alexlamsl [Mon, 15 May 2017 17:33:01 +0000 (01:33 +0800)]
minor fixes to README.md

7 years agoreorg README for 3.x (#1942)
kzc [Mon, 15 May 2017 17:12:00 +0000 (13:12 -0400)]
reorg README for 3.x (#1942)

7 years agoimprove keyword-related parser errors (#1941)
Alex Lam S.L [Mon, 15 May 2017 15:02:55 +0000 (23:02 +0800)]
improve keyword-related parser errors (#1941)

fixes #1937

7 years agov3.0.5
Alex Lam S.L [Mon, 15 May 2017 03:34:59 +0000 (11:34 +0800)]
v3.0.5

7 years agofix & improve coverage of `estree` (#1935)
Alex Lam S.L [Sun, 14 May 2017 18:37:53 +0000 (02:37 +0800)]
fix & improve coverage of `estree` (#1935)

- fix `estree` conversion of getter/setter
- fix non-directive literal in `to_mozilla_ast()`
- revamp `test/mozilla-ast.js`
  - reuse `test/ufuzz.js` for code generation
  - use `acorn.parse()` for creating `estree`
- extend `test/ufuzz.js` for `acorn` workaround
  - catch variable redefinition
  - non-trivial literal as directive
  - adjust options for tolerance

Miscellaneous
- optional semi-colon when parsing directives

fixes #1914
closes #1915

7 years agoTweak README Notes (#1934)
kzc [Sat, 13 May 2017 18:12:14 +0000 (14:12 -0400)]
Tweak README Notes (#1934)

7 years agofix bugs with getter/setter (#1926)
Alex Lam S.L [Sat, 13 May 2017 18:10:34 +0000 (02:10 +0800)]
fix bugs with getter/setter (#1926)

- `reduce_vars`
- `side_effects`
- property access for object
- `AST_SymbolAccessor` as key names

enhance `test/ufuzz.js`
- add object getter & setter
  - property assignment to setter
  - avoid infinite recursion in setter
- fix & adjust assignment operators
  - 50% `=`
  - 25% `+=`
  - 2.5% each for the rest
- avoid "Invalid array length"
- fix `console.log()`
  - bypass getter
  - curb recursive reference
- deprecate `-E`, always report runtime errors

7 years agodocument 3 max passes (#1928)
olsonpm [Sat, 13 May 2017 04:54:32 +0000 (23:54 -0500)]
document 3 max passes (#1928)

7 years agoclarify wording (#1931)
olsonpm [Sat, 13 May 2017 04:54:01 +0000 (23:54 -0500)]
clarify wording (#1931)

7 years agoremove support for `const` (#1910)
Alex Lam S.L [Fri, 12 May 2017 06:57:41 +0000 (14:57 +0800)]
remove support for `const` (#1910)

As this is not part of ES5.

7 years agoavoid `arguments` and `eval` in `reduce_vars` (#1924)
Alex Lam S.L [Fri, 12 May 2017 04:34:55 +0000 (12:34 +0800)]
avoid `arguments` and `eval` in `reduce_vars` (#1924)

fixes #1922

7 years agoadd documentation for `side_effects` & `[#@]__PURE__` (#1925)
olsonpm [Fri, 12 May 2017 04:29:55 +0000 (23:29 -0500)]
add documentation for `side_effects` & `[#@]__PURE__` (#1925)

7 years agov3.0.4
Alex Lam S.L [Thu, 11 May 2017 20:52:39 +0000 (04:52 +0800)]
v3.0.4

7 years agofix invalid transform on `const` (#1919)
Alex Lam S.L [Thu, 11 May 2017 20:51:44 +0000 (04:51 +0800)]
fix invalid transform on `const` (#1919)

- preserve (re)assignment to `const` for runtime error
- suppress `cascade` on `const`, as runtime behaviour is ill-defined

7 years agoupdate README (#1918)
kzc [Thu, 11 May 2017 19:36:33 +0000 (15:36 -0400)]
update README (#1918)

7 years agofix typo (#1913)
Alexis Tyler [Thu, 11 May 2017 12:24:33 +0000 (21:54 +0930)]
fix typo (#1913)

7 years agoupdate documentation (#1909)
Alex Lam S.L [Thu, 11 May 2017 09:50:50 +0000 (17:50 +0800)]
update documentation (#1909)

- clarify options on `--source-map`
- fix `minify()` examples

fixes #1905

7 years agov3.0.3
Alex Lam S.L [Wed, 10 May 2017 03:45:03 +0000 (11:45 +0800)]
v3.0.3

7 years agoUpdate issue template: change harmony to uglify-es (#1900)
kzc [Wed, 10 May 2017 03:07:54 +0000 (23:07 -0400)]
Update issue template: change harmony to uglify-es (#1900)

7 years agoRemove unnecessary `git clone` instructions in README (#1897)
kzc [Wed, 10 May 2017 03:06:50 +0000 (23:06 -0400)]
Remove unnecessary `git clone` instructions in README (#1897)

7 years agoChange `harmony` to `uglify-es` in master README (#1895)
kzc [Tue, 9 May 2017 21:07:45 +0000 (17:07 -0400)]
Change `harmony` to `uglify-es` in master README (#1895)

7 years agogracefully handle non-`Error` being thrown (#1893)
Alex Lam S.L [Tue, 9 May 2017 20:20:59 +0000 (04:20 +0800)]
gracefully handle non-`Error` being thrown (#1893)

7 years agoextend test timeout
Alex Lam S.L [Tue, 9 May 2017 18:43:12 +0000 (02:43 +0800)]
extend test timeout

Travis has gone a lot slower recently, and most test failures are due to time-out on this particular test.

7 years agov3.0.2
Alex Lam S.L [Tue, 9 May 2017 17:52:00 +0000 (01:52 +0800)]
v3.0.2

7 years agoprint error stack in CLI (#1890)
Alex Lam S.L [Tue, 9 May 2017 08:36:44 +0000 (16:36 +0800)]
print error stack in CLI (#1890)

7 years agomention `minify().error`
Alex Lam S.L [Tue, 9 May 2017 08:08:04 +0000 (16:08 +0800)]
mention `minify().error`

7 years agoupdate `minify()` usage in `test/ufuzz.js` (#1888)
Alex Lam S.L [Tue, 9 May 2017 07:58:46 +0000 (15:58 +0800)]
update `minify()` usage in `test/ufuzz.js` (#1888)

fixes #1887

7 years ago[3.x] fix documentation for beautify options (#1882)
kzc [Mon, 8 May 2017 15:06:56 +0000 (11:06 -0400)]
[3.x] fix documentation for beautify options (#1882)

- use underscores rather than dashes.

7 years agov3.0.1
Alex Lam S.L [Sun, 7 May 2017 23:05:57 +0000 (07:05 +0800)]
v3.0.1

7 years agoreturn `Error` from `minify()` (#1880)
Alex Lam S.L [Sun, 7 May 2017 23:05:19 +0000 (07:05 +0800)]
return `Error` from `minify()` (#1880)

Have `minify()` return `Error` in `result.error` rather than throwing it.

7 years agosupport dumping AST (#1879)
Alex Lam S.L [Sun, 7 May 2017 22:23:01 +0000 (06:23 +0800)]
support dumping AST (#1879)

Re-order `AST_Binary` properties to make dump more readable.

closes #769

7 years agodeprecate low level API (#1877)
Alex Lam S.L [Sun, 7 May 2017 19:24:42 +0000 (03:24 +0800)]
deprecate low level API (#1877)

fixes #1872

7 years agosupport `minify()` output as AST (#1878)
Alex Lam S.L [Sun, 7 May 2017 18:11:45 +0000 (02:11 +0800)]
support `minify()` output as AST (#1878)

- `options.output.ast` (default `false`)
- `options.output.code` (default `true`)

7 years agoupdate documentation
Alex Lam S.L [Sat, 6 May 2017 19:02:46 +0000 (03:02 +0800)]
update documentation

Remove deprecated CLI option

7 years agofix test for #1865 (#1873)
Alex Lam S.L [Sat, 6 May 2017 18:56:02 +0000 (02:56 +0800)]
fix test for #1865 (#1873)

7 years agov3.0.0
Alex Lam S.L [Sat, 6 May 2017 15:51:10 +0000 (23:51 +0800)]
v3.0.0

7 years agofix `unsafe` on `evaluate` of `reduce_vars` (#1870)
Alex Lam S.L [Sat, 6 May 2017 15:18:55 +0000 (23:18 +0800)]
fix `unsafe` on `evaluate` of `reduce_vars` (#1870)

Determine if variables with non-constant values can escape and be modified.

fixes #1865

7 years agokill `opera` (#1869)
Alex Lam S.L [Sat, 6 May 2017 09:42:07 +0000 (17:42 +0800)]
kill `opera` (#1869)

7 years agoenhance `collapse_vars` (#1862)
Alex Lam S.L [Sat, 6 May 2017 08:15:43 +0000 (16:15 +0800)]
enhance `collapse_vars` (#1862)

- extend expression types
  - `a++`
  - `a=x;`
- extend scan range
  - `for(init;;);`
  - `switch(expr){case expr:}`
  - `a = x; a = a || y;`
- terminate upon `debugger;`

closes #1821
fixes #27
fixes #315
fixes #1858

7 years agorename variables for better readability (#1863)
Alex Lam S.L [Tue, 2 May 2017 12:47:10 +0000 (20:47 +0800)]
rename variables for better readability (#1863)

7 years agoupdate `test/benchmark.js` resources (#1864)
Alex Lam S.L [Tue, 2 May 2017 11:48:12 +0000 (19:48 +0800)]
update `test/benchmark.js` resources (#1864)

7 years agorestore report of supported options (#1861)
Alex Lam S.L [Mon, 1 May 2017 17:42:29 +0000 (01:42 +0800)]
restore report of supported options (#1861)

fixes #1859

7 years agoimprove literal return optimization (#1860)
kzc [Mon, 1 May 2017 16:10:11 +0000 (12:10 -0400)]
improve literal return optimization (#1860)

7 years agoenforce `toplevel` on other compress options (#1855)
Alex Lam S.L [Sun, 30 Apr 2017 14:52:36 +0000 (22:52 +0800)]
enforce `toplevel` on other compress options (#1855)

Respect "funcs" and "vars" properly.

fixes #1850

7 years agoUpdate ISSUE_TEMPLATE.md (#1846)
kzc [Tue, 25 Apr 2017 17:30:43 +0000 (13:30 -0400)]
Update ISSUE_TEMPLATE.md (#1846)

7 years agofix fuzzer on `this` (#1842)
Alex Lam S.L [Sun, 23 Apr 2017 19:15:03 +0000 (03:15 +0800)]
fix fuzzer on `this` (#1842)

- forbid redeclaration of `this`
- suppress probability for `this` within nested functions

7 years agofix `unused` on for-in statements (#1843)
Alex Lam S.L [Sun, 23 Apr 2017 19:14:01 +0000 (03:14 +0800)]
fix `unused` on for-in statements (#1843)

Only need to avoid `var` within the initialisation block.

fixes #1841

7 years agoimprove parser under "use strict" (#1836)
Alex Lam S.L [Sun, 23 Apr 2017 12:05:22 +0000 (20:05 +0800)]
improve parser under "use strict" (#1836)

- `const` without value
- `delete` of expression
- redefining `arguments` or `eval`

extend `test/ufuzz.js`
- optionally generate "use strict"
- improve handling of test cases with syntax errors
- group IIFE generation
- generate bare anonymous functions
- workaround `console.log()` for `new function()`
- generate expressions with `this`

fixes #1810

7 years agoupdate README for 3.x (#1840)
kzc [Sat, 22 Apr 2017 20:28:32 +0000 (16:28 -0400)]
update README for 3.x (#1840)

7 years agofix `AST_For.init` patch-up in `drop_unused()` (#1839)
Alex Lam S.L [Sat, 22 Apr 2017 17:51:56 +0000 (01:51 +0800)]
fix `AST_For.init` patch-up in `drop_unused()` (#1839)

fixes #1838

7 years agofix label-related bugs (#1835)
Alex Lam S.L [Sat, 22 Apr 2017 14:15:04 +0000 (22:15 +0800)]
fix label-related bugs (#1835)

- deep cloning of `AST_LabeledStatement`
- `L:do{...}while(false)`
- empty statement with label within block

extend `test/ufuzz.js`
- generate labels for blocks & loops
- generate for-in statements
- skip suspicious option search if `minify()` errs

fixes #1833

7 years agoFix API reference examples (#1834)
Roman Dvornov [Thu, 20 Apr 2017 18:23:41 +0000 (21:23 +0300)]
Fix API reference examples (#1834)

7 years agoimprove `unused` (#1832)
Alex Lam S.L [Thu, 20 Apr 2017 05:06:14 +0000 (13:06 +0800)]
improve `unused` (#1832)

- extract leading value with side-effects out of `var` statement
- reduce scanning of `AST_Definitions` from 3 passes to just once

7 years agofix `unused` on labeled for-loop (#1831)
Alex Lam S.L [Wed, 19 Apr 2017 20:18:38 +0000 (04:18 +0800)]
fix `unused` on labeled for-loop (#1831)

fixes #1830

7 years agoimprove `collapse_vars` on `AST_Var` (#1828)
Alex Lam S.L [Tue, 18 Apr 2017 20:49:09 +0000 (04:49 +0800)]
improve `collapse_vars` on `AST_Var` (#1828)

Perform the same cascaded scanning within `var` statement as we do on array of statements.

7 years agofix parser bugs & CLI reporting (#1827)
Alex Lam S.L [Tue, 18 Apr 2017 20:27:13 +0000 (04:27 +0800)]
fix parser bugs & CLI reporting (#1827)

fixes #1825

7 years agoextend `cascade` into `a.b` (#1829)
Alex Lam S.L [Tue, 18 Apr 2017 20:17:15 +0000 (04:17 +0800)]
extend `cascade` into `a.b` (#1829)

fixes #27

7 years agoclean up `collapse_vars` (#1826)
Alex Lam S.L [Tue, 18 Apr 2017 13:45:34 +0000 (21:45 +0800)]
clean up `collapse_vars` (#1826)

- remove overlap in functionality of singular, consecutive reference of constant value
- remove workarounds for previous bugs in `lib/scope.js`
- distribute recursive `collapse_single_use_vars()` calls to their respective `OPT(AST_Node)`
- enable collapsing of variables within a single `AST_Definitions`

7 years agosupport safe reassignments in `reduce_vars` (#1823)
Alex Lam S.L [Tue, 18 Apr 2017 05:38:42 +0000 (13:38 +0800)]
support safe reassignments in `reduce_vars` (#1823)

`var a=1;a=2;x(a)` => `x(2)`

fix pre-existing issues
- reference counting on assignment
- walking of anonymous functions
- chained assignment

7 years agofix `reduce_vars` on conditionals (#1822)
Alex Lam S.L [Mon, 17 Apr 2017 17:44:23 +0000 (01:44 +0800)]
fix `reduce_vars` on conditionals (#1822)

7 years agofix `reduce_vars` on boolean binary expressions (#1819)
Alex Lam S.L [Mon, 17 Apr 2017 09:24:29 +0000 (17:24 +0800)]
fix `reduce_vars` on boolean binary expressions (#1819)

Side effects of `&&` and `||` have not mattered until #1814, which takes assignment expressions into account.

7 years agocompress duplicated variable definitions (#1817)
Alex Lam S.L [Mon, 17 Apr 2017 09:11:29 +0000 (17:11 +0800)]
compress duplicated variable definitions (#1817)

These are surprisingly common, as people reuse the same variable name within loops or switch branches.