JoBoEVD/UglifyJS
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636 Commits

Author SHA1 Message Date
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
Fugiman
1f75232062 Fix template string parsing 2016-01-19 19:22:22 +01:00
Fábio Santos
028ff64e9a Default values inside destructurings 2016-01-19 19:22:22 +01:00
Fábio Santos
7a8cffd631 Move the idea of a symbol having a default value up the class chain. 2016-01-19 19:22:22 +01:00
Fábio Santos
5b553aafe2 Destructuring parameters with defaults. function x({ foo, bar } = {}) { } 2016-01-19 19:22:22 +01:00
Fábio Santos
084437bc6d Non-destructuring default parameters 2016-01-19 19:22:22 +01:00
Anthony Van de Gejuchte
70e5b6f15b Add some tests for comment-filters through api 
Also never bother comment options to filter comment5/shebang comments
as they have their custom filter.
 2016-01-19 19:14:19 +01:00
Anthony Van de Gejuchte
6605d15783 Never mangle arguments and keep them in their scope 
Fixes #892

Helped-by: kzc
 2016-01-14 19:45:52 +01:00
Richard van Velzen
ac8db977b9 Merge pull request #905 from avdg/unit-tests 
Add unit tests
 2016-01-14 08:54:40 +01:00
Mihai Bazon
fe4e9f9d97 Fix hoisting the var in ForIn 
Close #913
 2016-01-05 13:56:52 +02:00