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AgeCommit message (Collapse)Author
2012-09-24minor tests fixMihai Bazon
2012-09-23properly drop mutually-referring declarations that are not otherwiseMihai Bazon
referenced and have no side effects
2012-09-22tree transformer api (WIP)Mihai Bazon
2012-09-21log filename in parse errors / compressor warningsMihai Bazon
2012-09-21better support for multiple input files:Mihai Bazon
- use a single AST_Toplevel node for all files - keep original source filename in the tokens
2012-09-21more on detecting side effectsMihai Bazon
2012-09-19drop unused variablesMihai Bazon
2012-09-19support -c with no arguments to disable compression entirelyMihai Bazon
2012-09-18fixed label scope/manglingMihai Bazon
2012-09-18minorMihai Bazon
2012-09-18support for directivesMihai Bazon
2012-09-18added AST_NaN (output as 0/0)Mihai Bazon
2012-09-17only do the typeof x == "undefined" optimization if x is a symbol reference ↵Mihai Bazon
and it's declared in scope, or x is not a symbol reference.
2012-09-17moved `typeof foo == "undefined"` ==> `foo === undefined` under `--unsafe`Mihai Bazon
because https://github.com/mishoo/UglifyJS2/commit/43fd45154bac89b89330e13bd1f167e2a927a23c#commitcomment-1864505
2012-09-17fix .undeclared (it's now a function)Mihai Bazon
2012-09-17minorMihai Bazon
2012-09-17one more test for sequencesMihai Bazon
2012-09-17possible optimization for AST_UndefinedMihai Bazon
if undefined is defined, ;-), we replace AST_Undefined nodes to a reference to the "undefined" variable; in turn the mangler will compress it to a single letter; this helps at least on jQuery.
2012-09-17empty block to empty statement: {} ==> ;Mihai Bazon
2012-09-17more smallish optimizationsMihai Bazon
2012-09-17try negating AST_BinaryMihai Bazon
2012-09-16some cleanupMihai Bazon
2012-09-16more sequencesizing (WIP)Mihai Bazon
2012-09-16drop unused functionMihai Bazon
2012-09-16rewrite handle_if_returnMihai Bazon
optimizations of if/return/continue seem to be even better now
2012-09-15other small optimization:Mihai Bazon
if (foo) continue; ...body... ==> if (!foo) { ...body ... } Only when the parent block is the target loop of the `continue` statement.
2012-09-15figure out label targetsMihai Bazon
2012-09-15join_vars:Mihai Bazon
var XXX; for (var YYY; ...) ==> for (var XXX,YYY; ...)
2012-09-14compress typeof x == "undefined" to x === undefined, which further getsMihai Bazon
shortened to x === void 0 (or x === [][0] in unsafe mode)
2012-09-14minorMihai Bazon
when unsafe, compress undefined as [][0]
2012-09-14adding an imaginary "return undefined" can sometimes helpMihai Bazon
function f() { if (foo) return x(); if (!bar) return y(); } ==> function f() { return foo ? x() : bar ? void 0 : y(); }
2012-09-14more optimizations that v1 does and some cleanupsMihai Bazon
- a = a + x ==> a+=x - joining consecutive var statements (hoisting is not always desirable) - x == false ==> x == 0, x != true ==> x != 1 - x, x ==> x; x = exp(), x ==> x = exp() - discarding useless break-s
2012-09-13added -m and -c optionsMihai Bazon
2012-09-13few more optimizations:Mihai Bazon
- do multiple passes in tighten_body if it was changed - transform if (foo) return x; return y; ==> return foo?x:y - don't optimize !0 as true (use best_of after evaluation of constant expr) With hoist_vars off we now beat UglifyJS v1 on jQuery-1.8.1
2012-09-12minorMihai Bazon
2012-09-12more AST_If optimizationsMihai Bazon
2012-09-12side effect fixes and small optimization for gzipMihai Bazon
prefer to always use > and >= operators (idea from Closure)
2012-09-12fixed run-tests and an issue about reversing the condition in AST_IfMihai Bazon
2012-09-11minorMihai Bazon
2012-09-11fixed some mess with symbols/scopeMihai Bazon
- all symbols now have a `thedef` property which is a SymbolDef object, instead of the `uniq` that we had before (pointing to the first occurrence of the name as declaration). - for undeclared symbols we still create a SymbolDef object in the toplevel scope but mark it "undeclared" - we can now call figure_out_scope after squeezing, which is useful in order not to mangle names that were dropped by the squeezer
2012-09-11checkpointMihai Bazon
- discard statements with no side effects (unsafe? could be) - safer hoist_vars (needs some revamping of scope/mangling)
2012-09-10hoist_vars is pretty bad, it seems. cancelled it for now.Mihai Bazon
2012-09-10adaptive base54 digits depending on char frequency (WIP)Mihai Bazon
2012-09-10more progress on the compressor (WIP)Mihai Bazon
2012-09-10fix "file" in the source mapMihai Bazon
2012-09-08minorMihai Bazon
2012-09-08fix output for division followed by regexpMihai Bazon
( v1 report: https://github.com/mishoo/UglifyJS/pull/458 )
2012-09-07checkpointMihai Bazon
2012-09-07fix bug (forgot arg name)Mihai Bazon
2012-09-07always keep declarations found in unreachable codeMihai Bazon
a few more tests and some cleanups.
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