JoBoEVD/UglifyJS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
1,060 Commits 3 Branches 341 Tags 23 MiB
0aa526e72c
Commit Graph

695 Commits

Author SHA1 Message Date
kzc
b7ef7840f3 Allow sequences maximum length to be user configurable. 2016-07-01 09:41:31 +02:00
Anthony Van de Gejuchte
fb2f8d1a51 Add reserved words to list unescapable keywords 
Additionals:
* Update list reserved keywords
 2016-06-30 22:47:44 +02:00
Anthony Van de Gejuchte
54a783ba84 Add ecma5 flag for codegen 2016-06-30 22:47:44 +02:00
Anthony Van de Gejuchte
63c432f4fa Extend unicode support 
* Support \u{xxxx} syntax
 * Add support for surrogate pairs
 * Allow identifiers to have unicode escape sequence
 2016-06-30 22:47:44 +02:00
Anthony Van de Gejuchte
a97690fc72 Various LineTerminator changes 
* Escaped newlines should also produce SyntaxError
* Fix multiline comment parsing and add tests
* Adapt makePredicate to handle \u2028 and \u2029
* Move up nlb check in regex so it's checked before any escape handling
* Change error messages to conform ecma standard
* Find_eol not recornizing \u2028 and \u2029 as line terminator
* Remove \u180e as it is removed in unicode 6.3.0 from the category zs
 2016-06-30 22:12:50 +02:00
kzc
02c638209e Enable --screw-ie8 by default. 
catch identifier is mangled correctly for ES5 standards-compliant JS engines by default.

Unconditionally use the ie8 if/do-while workaround whether or not --screw-ie8 is enabled.

To support non-standard ie8 javascript use: uglifyjs --support-ie8
 2016-06-30 21:49:48 +02:00
kzc
335b72df03 Fix spidermonkey AST (ESTree) export and import, Array holes 
Fixes: #1156 #1161

Also add test to exercise Uglify after spidermonkey export/import of itself.
 2016-06-30 21:44:12 +02:00
Anthony Van de Gejuchte
3a7d53f3cf Move OctalEscapeSequence to read_escape_char 
This should simplify and improve implementation, make it easier to
implement template strings, and keep master a bit more in sync with
harmony.

Previous implementation wasn't broken, though the loop gave me the
impression it could read infinite numbers and annoyed me a bit. It was
also slightly unnecessary because the lookup involved only 3 characters.
 2016-06-30 21:42:15 +02:00
Anthony Van de Gejuchte
07785d0003 Throw error if new.target is like new.foo 2016-06-25 19:32:53 +02:00
Anthony Van de Gejuchte
6eaeb19a4a Add exponentiation operator 2016-06-22 12:23:37 +02:00
kzc
ace8aaa0f4 Fix conditional expressions of form (x ? -1 : -1) 
Fixes #1154, #1153
 2016-06-21 14:52:13 -04:00
kzc
0c003c92a8 Don't replace undefined, NaN and Infinity within with scope 2016-06-21 10:53:29 +02:00
Anthony Van de Gejuchte
2246c79318 Merge branch 'master' into fix-harmony 2016-06-20 19:21:25 +02:00
Anthony Van de Gejuchte
85fbf86d7b Keep master in sync with harmony 
* Do not mangle when no mangle is required
 * Improve use_asm reset while printing code
 2016-06-20 18:42:17 +02:00
Anthony Van de Gejuchte
dda58244b6 Fixes to prevent failing tests after merging master 
* Add missing quote properties to AST_ObjectKeyVal
 * Avoid test results being interpret as directives
 2016-06-20 15:02:09 +02:00
Shrey Banga
e645ba84cf
Respect quote style in object literals 
The option added in fbbaa42ee5 wasn't
being respected inside object literals, so quoted property names would
still be stripped out with this option.

This is mostly a corner-case, but useful when the output is passed to
something like the Closure compiler, where quoted property names can be
used to prevent mangling.
 2016-06-19 21:13:31 +02:00
Anthony Van de Gejuchte
6c99816855
Normalize error messages 2016-06-19 21:08:34 +02:00
Anthony Van de Gejuchte
ca04508cd1
Restrict yield outside generators in strict mode 
* Move some yield/generic tests from compress/harmony.js to
  compress/yield.js
 * Adjust error messages to conform ecmascript standards
 2016-06-19 21:03:36 +02:00
Anthony Van de Gejuchte
2149bfb707
Don't mix strings with directives in output 
* Don't interpret strings with escaped content as directive
 * Don't interpret strings after empty statement as directive
 * Adapt output to prevent strings being represent as directive
 * Introduce UGLIFY_DEBUG to allow internal testing like EXPECT_DIRECTIVE
 2016-06-19 20:59:17 +02:00
Anthony Van de Gejuchte
6b03b800b3
Only last parameter between parentheses can have spread 2016-06-19 20:51:29 +02:00
Anthony Van de Gejuchte
f9cab7ad61
Allow expand in array literals 2016-06-19 20:49:18 +02:00
Anthony Van de Gejuchte
d7971ba0e4 Fix test262 failures related to <, <=, in and instanceof 
Fixed-by: @kzc
 2016-06-15 23:11:08 +02:00
Anthony Van de Gejuchte
5c4cfaa0a7 Re-add parens after new expression in beautify mode 2016-06-12 20:03:48 +02:00
Anthony Van de Gejuchte
bb9c9707aa Don't allow with statements in strict mode 2016-06-12 19:08:16 +02:00
Richard van Velzen
0a3d780327 Merge branch 'master' into harmony 2016-06-12 17:29:42 +02:00
Anthony Van de Gejuchte
6c8e001fee Stop dropping args in new expressions 2016-06-12 17:17:17 +02:00
David Bau
f99b7b630d Escape null characters as \0 unless followed by 0-7. 2016-06-12 14:32:32 +02:00
Anthony Van de Gejuchte
ea31da2455 Don't drop unused if scope uses with statement 
Fix provided by @kzc
 2016-06-12 14:30:28 +02:00
Anthony Van de Gejuchte
4d7746baf3 Throw errors in strict mode for octal strings 
Adds a directive tracker for the parser/tokenizer to
allow parsing depending on directive context.
 2016-06-12 14:27:08 +02:00
Anthony Van de Gejuchte
b0555a123a Fix newline handling after yield 
YieldExpressions can only be defined as:
 * `yield`
 * `yield` [no nlb] AssignmentExpression
 * `yield` [no nlb] `*` AssignmentExpression
 2016-06-11 21:41:16 +02:00
Richard van Velzen
fa29344781 Merge branch 'master' into harmony 2016-06-09 22:29:52 +02:00
Anthony Van de Gejuchte
dcfc514c38 Improve yield support and restrict usage of strict 
- Partially reverting 91cdb93e57 and eaf3911c31 and reimplement
- Add generators support for objects and classes
- Only classes can have static methods so restrict use of it

Special thanks to @rvanvelzen and @kzc for reviewing this patch and
providing constructive feedback over and over again.
 2016-06-09 22:22:15 +02:00
Anthony Van de Gejuchte
8287ef6781 Fix uglify attempting to rewrite invalid new expressions 2016-06-08 19:45:21 +02:00
Anthony Van de Gejuchte
00ad57e393 Do not allow newlines in regex 2016-06-05 17:02:19 +02:00
kzc
09d5707a8a collapse_vars: Do not consider RegExp literals to be constants 
Fixes #1100
 2016-05-27 00:03:51 -04:00
Anthony Van de Gejuchte
8ad8d7b717 Add Symbol to builtins 2016-05-24 17:57:18 +02:00
Richard van Velzen
0357e5923f Merge branch 'master' into harmony 2016-05-24 17:56:20 +02:00
kzc
1e390269d4 Optimize if_return for single if/return cases. 
Fixes #1089
 2016-05-24 17:54:08 +02:00
Richard van Velzen
bc49dfd27a Completely allow evaluating -0 2016-05-24 17:50:29 +02:00
Richard van Velzen
27eedbc302 Never produce -0 when evaluating expressions (like -"") 
Fix for #1085. The major case was already there, but more expressions can result in -0.
 2016-05-17 22:34:38 +02:00
Richard van Velzen
f63803e3e3 Merge branch 'master' into harmony 2016-05-16 09:53:13 +02:00
kzc
5f464b41e2 Simplify iife new fix 
as suggested by @rvanvelzen.

Added a test for IIFEs in nested contexts.
 2016-05-15 19:12:17 -04:00
Richard van Velzen
63be1f3a4d Only allow var definitions to be moved into the for-init clause 
Fixes #1079
 2016-05-15 21:00:51 +02:00
kzc
bcc1318d4b Do not apply negate_iife optimization to new expression 2016-05-09 03:19:28 -04:00
Richard van Velzen
e36e07fa77 Merge branch 'master' into harmony 2016-05-04 20:13:35 +02:00
kzc
a0e03c9df4 Retain comments before AST_Constants during mangle. 2016-05-04 20:11:45 +02:00
kzc
f39fd3d583 Handle CR line endings in comments. 
Fixes #1050
 2016-05-04 20:02:29 +02:00
not-an-aardvark
5b893c8ec3 Avoid syntax error in yield assignments (fixes #1054) 2016-04-25 19:14:44 -04:00
Richard van Velzen
4fe630431c Hoist functions when reversing if (x) return; ... vs. if (!x) ... 
Fixes #1052
 2016-04-23 23:48:33 +02:00
kzc
c55dd5ed74 Add passes compress option. Fix duplicate compress warnings. 2016-04-19 20:05:33 +02:00
Richard van Velzen
8571a08a93 Do not attempt evaluating class expressions 
Broadly the same as function expressions - these actually are statements but
we're limited by the inheritance tree.

Fixes #1044
 2016-04-19 20:01:26 +02:00
Richard van Velzen
68cc14f846 Fixups after merge 2016-04-18 15:51:32 +02:00
Richard van Velzen
f94497d1d6 Merge branch 'master' into harmony 2016-04-18 15:50:35 +02:00
kzc
e4fa4b109a Parse comments without recursion to avoid RangeError. 
Fixes #993
 2016-04-16 02:02:47 -04:00
Richard van Velzen
4b4528ee05 Prevent endless recursion when evaluating self-referencing consts 
Fix #1041
 2016-04-13 15:03:31 +02:00
Richard van Velzen
eaf3911c31 Consider yield expressions as having side-effects 
See #1043
 2016-04-13 14:39:49 +02:00
Darío Javier Cravero
91cdb93e57 Implement harmony generators and yield 
Uses #716's implementation and adds tests.

Fixes #716.
 2016-04-13 14:22:08 +02:00
Mihai Bazon
b5a7a231f7 Actually limit sequence length. 
Fix #1038
 2016-04-12 14:17:24 +03:00
kzc
3907a5e3b2 Fix warnings for referenced non-hoisted functions. 
Fixes #1034

Also added `expect_warnings` functionality to test framework.
 2016-04-11 18:15:20 +02:00
kzc
c70d176f35 Simplify member(name, array) implementation. 2016-04-07 09:57:30 -04:00
Mihai Bazon
9317237372 Avoid using inherited hasOwnProperty 
Fix #1031
 2016-04-07 13:16:22 +03:00
kzc
98434258d0 Optimize ternaries with boolean consequent or alternative. 
Fixes #511
 2016-04-02 17:22:12 +02:00
kzc
45ddb9caeb Speedup unused compress option for already minified code 
Fixes: #321 #917 #1022
 2016-03-28 17:58:50 -04:00
Fábio Santos
634f231b78 First class block scope 
- Make let, const, and class symbols be declared in a block scope.
- Piggy back on existing catch symbol implementation to get block-aware mangling working
- Make sure unused block-scoped declarations can be dropped
- Don't eliminate a block if it has a block-scoped declaration
- Remove silly empty anonymous blocks left over from drop_unused
- AST_Toplevel now gets to call drop_unused too, since block-scoped variables aren't global!
- Don't consider block declarations global
 2016-03-27 19:40:20 +02:00
Fábio Santos
6702cae918 fix #1021 2016-03-27 12:21:39 +01:00
Mihai Bazon
f68de86a17 Merge pull request #1011 from kzc/dont-produce-let-in-mangle 
Do not produce `let` as a variable name in mangle.
 2016-03-24 18:16:26 +02:00
kzc
07bb7262d0 Escape all ASCII control characters within strings when using ascii_only. 
Fixes #1017.

Tab characters within strings are now output as `\t` in all output modes.
 2016-03-24 11:51:54 -04:00
kzc
a9d4a6291b Do not produce let as a variable name in mangle. 
Would previously occur in large generated functions with 21,000+ variables.
Fixes #986.
 2016-03-15 11:20:32 -04:00
Fábio Santos
6d2f77c180 fix #1003 by removing AST_ObjectSymbol and using AST_ObjectKeyVal for the same effect 2016-03-14 13:42:50 +01:00
Fábio Santos
accca2445f fix crash: Import statements don't abort 2016-03-14 12:54:05 +01:00
Fábio Santos
0bc4f6edb4 Don't mangle exported symbols 2016-03-14 12:54:05 +01:00
Fábio Santos
ce84a706a3 Implement the export statement 2016-03-14 12:54:05 +01:00
Fábio Santos
86b5248837 Mangling externally imported names by using aliasing 2016-03-14 12:54:05 +01:00
Fábio Santos
59e1601fb8 importing names in the modules, not just default imports 2016-03-14 12:54:05 +01:00
Fábio Santos
d35a9e7839 Importing names from places 2016-03-14 12:54:05 +01:00
Fábio Santos
0465bd270d Starting out the import statement 2016-03-14 12:54:05 +01:00
philippsimon
ee6c9fabb7 Fix: Uglified Number.prototype functions on big numbers 2016-03-14 12:41:06 +01:00
viclm
6780d0906c Fix eager parsing of arrow functions for non-punc tokens 2016-03-10 22:18:48 +01:00
kzc
102d1b9137 #877 Ignore mangle sort option 2016-02-27 15:33:10 -05:00
kzc
11b0efdf84 boolean_expression ? true : false --> boolean_expression 2016-02-22 17:59:36 +01:00
kzc
5486b68850 Take operator || precendence into account for AST_If optimization. 
Fixes #979.
 2016-02-21 12:05:02 -05:00
alexlamsl
6547437725 preserve ThisBinding for side_effects 2016-02-17 19:34:01 +01:00
Richard van Velzen
9662228f6a Don't compress (0, eval)() to eval() 2016-02-16 19:00:48 +01:00
alexlamsl
31a9b05c96 Preserve ThisBinding in conditionals & collapse_vars 
Fixes #973
 2016-02-16 18:47:49 +01:00
sergeyv
7a4ed9d200 Revert "using the original sourcemap as the base" 
This reverts commit ad18689d92.

Reason for revert: introduce issue #882

Currently, generated sourcemap contains copy of all existing mappings and adds new mappings from uglified code to original one.
However, previous mapping are no longer valid and shouldn't be added.
 2016-02-10 10:19:39 +01:00
Darío Javier Cravero
0b303379c0 fix: don't fail if definition is undefined 
Running `uglifyjs --verbose --compress --mangle --screw-ie8 class.js`
with
`class.js`:
```
class Foo {
  bar() {
  }
}
```
Fails with:
```
undefined:4041
  return this.definition().unmangleable(options);
TypeError: Cannot read property 'unmangleable' of undefined
...
```
 2016-02-10 10:17:32 +01:00
Fábio Santos
d7ec2ecc12 Fix #931: Create arrow functions in maybe_assign so that they can be used in assignments 2016-02-09 00:02:23 +00:00
kzc
7c3fee9e31 collapse_vars: avoid replacement across AST_Case nodes to be on safe side even though no issues seen. 2016-01-29 10:35:07 -05:00
kzc
929de2b0de collapse_vars: fix if/else and ternary operator side effects 2016-01-28 12:17:06 -05:00
kzc
af2472d85e collapse_vars: fix bug in repeated var defs of same name 2016-01-28 16:48:50 +01:00
kzc
0a38a688f9 fix bug in collapse_vars for right side of "||" and "&&" 2016-01-27 14:18:46 -05:00
kzc
f4c2ea37bf Collapse single use var definitions 
Fix #721
 2016-01-27 11:48:15 +02:00
Mihai Bazon
915f907186 Add start/end in the arguments definition 
(keeps my https://github.com/mishoo/jsinfo.el working)
 2016-01-27 11:36:03 +02:00
Richard van Velzen
b5a7197ae5 Merge pull request #928 from STRML/constPragma 
Mark vars with /** @const */ pragma as consts so they can be eliminated.
 2016-01-20 19:04:36 +01:00
Samuel Reed
1b703349cf
Tighten up @const regex. 2016-01-20 11:35:45 -06:00
Samuel Reed
4a7179ff91
Simplify by skipping extra tree walk. 2016-01-20 11:03:41 -06:00
Samuel Reed
f97da4294a
Use TreeWalker for more accurate @const results and update tests 2016-01-20 10:54:00 -06:00
Samuel Reed
8b71c6559b
Mark vars with /** @const */ pragma as consts so they can be eliminated. 
Fixes older browser support for consts and allows more flexibility
in dead code removal.
 2016-01-19 13:23:02 -06:00
Anthony Van de Gejuchte
26641f3fb2 Allow operator names as getters/setters 
Fixes #919

Fix provided by @kzc
 2016-01-19 19:28:51 +01:00
Fugiman
5e78f20f1c Remove duplicate error message 2016-01-19 19:22:22 +01:00