JoBoEVD/UglifyJS
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871 Commits

Author SHA1 Message Date
Mihai Bazon
b6968b6bd2 Limit max iterations for tighten_body 
Ref #866
 2015-11-16 12:08:24 +02:00
Mihai Bazon
7691bebea5 Rework has_directive 
It's now available during tree walking, i.e. walker.has_directive("use
asm"), rather than as part of the scope.  It's thus no longer necessary
to call `figure_out_scope` before codegen.  Added special bits in the
code generator to overcome the fact that it doesn't inherit from
TreeWalker.

Fix #861
 2015-11-11 22:15:25 +02:00
kzc
bd0ae6569f return undefined optimization no longer uses return_void_0 option 2015-10-29 08:19:12 +01:00
kzc
7491d07666 optimize return undefined and return void 0 2015-10-29 08:19:12 +01:00
kzc
593677d2ff Add proper support for "use asm"; blocks. Disable -c optimization within "use asm"; sections and preserve floating point literals in their original form. Non-asm.js sections are optimized as before. Asm.js sections can still be mangled and minified of whitespace. No special command line flags are required. 2015-10-07 10:00:28 +02:00
Ville Lautanala
5fd12451f9 Control keeping function arguments with a single option 2015-09-14 19:38:45 +02:00
Richard van Velzen
e3bd223dac Don't change sequences that influence lexical binding in calls 
Fixes #782
 2015-08-25 10:53:35 +02:00
Christopher Chedeau
3ff0b9e0c9 [Fix] --define replaces SymbolRefs in LHS of assignments 
See #208 for context
 2015-08-10 11:22:36 -07:00
thorn0
252fc65558 Advanced way to specify if a function call might have side effects. #400 2015-07-29 14:36:42 +02:00
Mihai Bazon
905b601178 Don't attempt to negate non-boolean AST_Binary 
Fix #751
 2015-07-22 16:55:55 +03:00
Mihai Bazon
63fb2d5a44 Merge pull request #735 from kzc/master 
optimizations for && and || where left side is constant expression
 2015-07-20 09:58:01 +03:00
Mihai Bazon
85a5fc0aeb Don't drop parens in a * (b * c). Close #744 2015-06-30 10:10:29 +03:00
kzc
f47b2b52a5 operator && and || optimization: add "else" before "if" as intended 2015-06-14 17:44:26 -04:00
kzc
fedb6191a1 optimizations for && and || where left side is constant expression 2015-06-11 23:22:38 -04:00
Mihai Bazon
a5b60217ce Fix compressing conditionals 
Only transform foo() ? EXP(x) : EXP(y) into EXP(foo() ? x : y) if EXP has no
side effects.

Fix #710
 2015-05-18 13:56:04 +03:00
Mihai Bazon
c3a10c135e Avoid spurious brackets when dropping unused vars 
Fix #702
 2015-05-04 14:49:17 +03:00
Mihai Bazon
274e1b3dc7 Drop NaN -> 0/0 transformation. 
Fix #687
 2015-04-17 11:26:36 +03:00
Mihai Bazon
18c63ff3d8 Fix compression of conditionals 
Don't move the condition on the right side of an assignment when
the left side may have side effects.

Fix #677
 2015-04-13 17:29:48 +03:00
Mihai Bazon
276b9a31cd Fix compressing ![foo()]; as a statement 
need to check whether the literal has any side effects before replacing that
with `false`.
 2015-03-23 23:27:00 +02:00
Mihai Bazon
5801fa39e9 [sequencesize] Actually even better: 
do create the sequence even if the stat list is bigger than 2000 statements,
but limit the sequence itself to 2000 expressions.

Ref #414
 2015-03-22 13:02:45 +02:00
Mihai Bazon
f0ab1b02e6 Avoid sequencesize for more than 2000 statements. 
It hardly saves any bytes for a sequence so long, and it risks blowing the
stack with the recursive Seq functions.

Ref #414
 2015-03-22 12:51:15 +02:00
Mihai Bazon
36c28e02fd Add start/end nodes for NaN/Infinity transformations 2015-03-22 12:50:36 +02:00
Mihai Bazon
ecfd881ac6 Keep unused function arguments by default 
Discarding unused function arguments affects function.length, which can lead
to some hard to debug issues.  This optimization is now done only in "unsafe
mode".

Fix #121
 2015-03-20 10:28:51 +02:00
Richard van Velzen
992b6b9fcc Fix invalid removal of left side in && and || compression 
See #637. This does not produce the optimal result, but it does prevent the removal of non-side-effect-free code.
 2015-02-11 21:08:41 +01:00
Richard van Velzen
605362f89d Drop all console statements properly 
Because the base reference can be an member expression as well, we have to dig a bit deeper to find the leftmost base reference.

Fixes #451
 2015-01-31 13:24:44 +01:00
Tal Ater
a1a4c2ada7 Optimize conditionals where the consequent and alternative are both booleans and not equivalent 2015-01-13 18:27:21 +01:00
Richard van Velzen
42ecd42ac0 Replace the correct node when replacing in void sequences 
Close #611.
 2015-01-12 17:09:34 +01:00
Mihai Bazon
a10f6a96d7 Merge pull request #482 from arty-name/inline-ng-inject 
added @ngInject support for inline functions
 2015-01-11 12:10:42 +02:00
Mihai Bazon
61c233a08e Fix make_node_from_constant for Regexp-s 
Close #588
 2015-01-07 11:20:04 +02:00
Mihai Bazon
d2d716483a aborts(AST_If) returns the if node 
Previously it returned the abort node from the alternative branch.  This is
not much use as it can be different from the one in the body
branch (i.e. return vs. throw) and can trick us into issues like #591.

Fix #591
 2015-01-06 14:01:35 +02:00
Mihai Bazon
e1f0747e4c Support keep_fnames in compressor, and --keep-fnames. #552 
Passing `--keep-fnames` will enable it both for compressor/mangler, so that
function names will not be dropped (when unused) nor mangled.
 2015-01-05 11:03:13 +02:00
Richard van Velzen
f4d36a58c2 Fix #569 
When no arguments are given to `new Function()`, it should be treated as
a regular anonymous function (http://es5.github.io/#x15.3.2.1)
 2015-01-04 13:37:59 +01:00
Richard van Velzen
c75f5a1fd8 Fix #597 
NaN and Infinity were replaced in the output generation, instead of
during compression. This could lead to results where `1/0` was inserted
without parens leading to invalid output.

The nodes are replaced in the compression step now, and the output
generation returns their regular names. This should not be a problem,
since they're already only constructed from the original name.
 2014-12-31 12:23:00 +01:00
Mihai Bazon
01d19b4b52 Referencing a global is assumed to have side effects. 
Close #550
 2014-09-28 11:18:25 +03:00
Tal Ater
fb0ec720a4 Compress conditions that have side effects using sequences 2014-09-04 02:57:49 +03:00
Tal Ater
885835a655 Compress conditional assignments where all possible outcomes are equivalant and condition has no side effects 2014-09-02 23:30:25 +03:00
Mihai Bazon
4c64554808 Turn foo.new into foo["new"] when not --screw-ie8. Fix #534 2014-08-26 10:11:01 +03:00
Mihai Bazon
548beeb6b1 Prevent error for Function(""). Close #538 2014-08-20 09:16:34 +03:00
Dan Wolff
8511e80f48 Evaluate "foo".length ==> 3 2014-07-01 11:06:51 +03:00
Artemy Tregubenko
524a8a42a4 added @ngInject support for inline functions 2014-05-11 14:01:08 +02:00
Mihai Bazon
ef2ef07cbd Add option keep_fargs. 
By default it's `false`.  Pass `true` if you need to keep unused function
arguments.

Close #188.
 2014-02-08 12:33:56 +02:00
Matt Basta
ac0086a745 Simplify nested conditionals if possible 2014-02-06 12:39:13 -08:00
Mihai Bazon
5344b7dab8 Fix if_return dropping the alternative. Close #413 2014-01-31 10:44:13 +02:00
Mihai Bazon
c3087dd179 Better process_for_angular before other statement reductions. #395 2014-01-08 11:39:24 +02:00
Mihai Bazon
2c305af478 Support @ngInject with angular compressor option. Close #395. 2014-01-08 11:28:32 +02:00
Mihai Bazon
2c88eb6fbe doh. 2014-01-07 12:54:14 +02:00
Mihai Bazon
27142df4f5 minor: exp["10"] => exp[10] 2014-01-07 12:48:21 +02:00
Mihai Bazon
b521b4b926 Conditional/call optimization 
foo ? bar(x) : bar(y)  ==>  bar(foo ? x : y)
 2013-12-29 10:31:30 +02:00
Mihai Bazon
5a083a938d Optimize seq,void 0. Close #377. 
(x, void 0)    => void x
    (x, undefined) => void x
 2013-12-22 11:36:45 +02:00
Mihai Bazon
dc5f70eab5 Add drop_console option to the compressor 2013-12-10 19:44:41 +02:00