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Revision Author Date Message Commit Date
bffdc8d update `test/benchmark.js` resources (#1864) 02 May 2017, 11:48:12 UTC
69b5663 restore report of supported options (#1861) fixes #1859 01 May 2017, 17:42:29 UTC
ea92897 improve literal return optimization (#1860) 01 May 2017, 16:10:11 UTC
2cb55b2 enforce `toplevel` on other compress options (#1855) Respect "funcs" and "vars" properly. fixes #1850 30 April 2017, 14:52:36 UTC
bbb5f2a Update ISSUE_TEMPLATE.md (#1846) 25 April 2017, 17:30:43 UTC
76d19b6 fix fuzzer on `this` (#1842) - forbid redeclaration of `this` - suppress probability for `this` within nested functions 23 April 2017, 19:15:03 UTC
9e62628 fix `unused` on for-in statements (#1843) Only need to avoid `var` within the initialisation block. fixes #1841 23 April 2017, 19:14:01 UTC
9bf72cf 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 23 April 2017, 12:05:22 UTC
64d7443 update README for 3.x (#1840) 22 April 2017, 20:28:32 UTC
45ce369 fix `AST_For.init` patch-up in `drop_unused()` (#1839) fixes #1838 22 April 2017, 17:51:56 UTC
ca32a09 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 22 April 2017, 14:15:04 UTC
6f954aa Fix API reference examples (#1834) 20 April 2017, 18:23:41 UTC
f05d4f7 improve `unused` (#1832) - extract leading value with side-effects out of `var` statement - reduce scanning of `AST_Definitions` from 3 passes to just once 20 April 2017, 05:06:14 UTC
88e7a54 fix `unused` on labeled for-loop (#1831) fixes #1830 19 April 2017, 20:18:38 UTC
4dcff03 improve `collapse_vars` on `AST_Var` (#1828) Perform the same cascaded scanning within `var` statement as we do on array of statements. 18 April 2017, 20:49:09 UTC
b4b9305 fix parser bugs & CLI reporting (#1827) fixes #1825 18 April 2017, 20:27:13 UTC
28cfb65 extend `cascade` into `a.b` (#1829) fixes #27 18 April 2017, 20:17:15 UTC
0f4f01b 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` 18 April 2017, 13:45:34 UTC
5d9f1da 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 18 April 2017, 05:38:42 UTC
d1aa09c fix `reduce_vars` on conditionals (#1822) 17 April 2017, 17:44:23 UTC
6d5f341 fix `reduce_vars` on boolean binary expressions (#1819) Side effects of `&&` and `||` have not mattered until #1814, which takes assignment expressions into account. 17 April 2017, 09:24:29 UTC
4ffb6fc compress duplicated variable definitions (#1817) These are surprisingly common, as people reuse the same variable name within loops or switch branches. 17 April 2017, 09:11:29 UTC
71a8d0d fix `reduce_vars` within try-block (#1818) Possible partial execution due to exceptions. 17 April 2017, 06:03:29 UTC
1a498db enhance `reduce_vars` (#1814) - allow immediate assignment after declaration of variable - relax modification rule for immutable value - fix order of visit for TreeWalker - remove extraneous code 16 April 2017, 17:36:50 UTC
44dfa5a fix variable substitution (#1816) - let `collapse_vars` take care of value containing any symbols - improve overhead accounting 16 April 2017, 09:25:39 UTC
251ff1d update README (#1813) - mention major version bump - remove reference to internal API 15 April 2017, 20:04:28 UTC
ec443e4 unify CLI & API under `minify()` (#1811) - rename `screw_ie8` to `ie8` - rename `mangle.except` to `mangle.reserved` - rename `mangle.properties.ignore_quoted` to `mangle.properties.keep_quoted` - compact `sourceMap` options - more stringent verification on input `options` - toplevel shorthands - `ie8` - `keep_fnames` - `toplevel` - `warnings` - support arrays and unquoted string values on CLI - drop `fromString` from `minify()` - `minify()` no longer handles any `fs` operations - unify order of operations for `mangle_properties()` on CLI & API - `bin/uglifyjs` used to `mangle_properties()` before even `Compressor` - `minify()` used to `mangle_properties()` after `Compressor` but before `mangle_names()` - both will now do `Compressor`, `mangle_names()` then `mangle_properties()` - `options.parse` / `--parse` for parser options beyond `bare_returns` - add `mangle.properties.builtins` to disable built-in reserved list - disable with `--mangle-props builtins` on CLI - `warnings` now off by default - add `--warn` and `--verbose` on CLI - drop `--enclose` - drop `--export-all` - drop `--reserved-file` - use `--mangle reserved` instead - drop `--reserve-domprops` - enabled by default, disable with `--mangle-props domprops` - drop `--prefix` - use `--source-map base` instead - drop `--lint` - remove `bin/extract-props.js` - limit exposure of internal APIs - update documentations closes #96 closes #102 closes #136 closes #166 closes #243 closes #254 closes #261 closes #311 closes #700 closes #748 closes #912 closes #1072 closes #1366 fixes #101 fixes #123 fixes #124 fixes #263 fixes #379 fixes #419 fixes #423 fixes #461 fixes #465 fixes #576 fixes #737 fixes #772 fixes #958 fixes #1036 fixes #1142 fixes #1175 fixes #1220 fixes #1223 fixes #1280 fixes #1359 fixes #1368 15 April 2017, 15:50:50 UTC
32deb36 drop `angular` (#1812) Remove support for `@ngInject` as there are proper alternatives anyway. 14 April 2017, 21:52:29 UTC
2244743 convert `AST_Seq` from binary tree to array (#1460) - rename `AST_Seq` to `AST_Sequence` - raise default sequences_limit from 200 to 800 12 April 2017, 13:56:27 UTC
04b8964 v2.8.22 09 April 2017, 03:36:57 UTC
d6fbc36 fix LHS cases for NaN & friends (#1804) `Infinity = beyond` should not become `1/0 = beyond` 08 April 2017, 19:18:14 UTC
9a97884 enhance `test/ufuzz.js` (#1803) - `-E` to report test cases with runtime errors - favor returning expressions rather than empty return - emit a newline upon fuzzer completion to not erase the iteration count closes #1800 08 April 2017, 17:36:38 UTC
0479ff0 fix a couple of bugs in `global_defs` (#1802) - `optimize()` substituted expression - compute nested property string correctly fixes #1801 Miscellaneous - reset optimisation flags on all node types 08 April 2017, 08:46:25 UTC
cf72fe5 fix `delete` corner cases (#1799) - assignment - boolean - conditional - sequence 08 April 2017, 06:25:28 UTC
a1532eb extend ufuzz generator (#1783) - property access - property assignment - allow bare expression within try-block - normalise `Error` in `console.log()` - generate more unary expressions - add parenthesis to enforce precedence - adjust variable reuse/creation - add parameters to function declaration & expression - add return expression - add trivial arguments to function call 07 April 2017, 10:47:30 UTC
c2a1bce fix `pure_getters` for chained property access (#1798) 07 April 2017, 09:06:01 UTC
e3c9c22 fix corner cases with `delete` (#1796) `delete Infinity` returns `false` where as `delete (1/0)` returns `true` 07 April 2017, 07:39:59 UTC
0f4cd73 introduce "strict" to `pure_getters` (#1795) 07 April 2017, 05:31:58 UTC
281e882 fix `reduce_vars` on catch variable (#1794) Improved catch handling in `figure_out_scope()` means special case treatment of IE8 is no longer valid in `reset_opt_flags()`. Also fixed recursive assignment in variable definition. 07 April 2017, 04:32:56 UTC
cc6aa3e fix incorrect context in variable substitution (#1791) `AST_Node.optimize()` is context-aware, so don't cache its results to be used elsewhere. Also fixed a few cases of AST corruption and beef up safety of `pure_getters`. 06 April 2017, 19:42:17 UTC
e869779 enable `inline_script` by default (#1793) 06 April 2017, 16:45:51 UTC
06cdb74 improve `pure_getters` (#1786) - property access to `null` & `undefined` always has side effects - utilise `reduce_vars` to determine safe property access - may-be cases treated as side effects unless `unsafe` 06 April 2017, 03:18:59 UTC
ff289b9 implement delayed resolution for `reduce_vars` (#1788) Although it would be nice to enforce `AST_Node` cloning during transformation, that ship has sailed a long time ago. We now get the assigned value when resolving `AST_SymbolRef` instead of `reset_opt_flags()`, which has the added advantage of improved compressor efficiency. fixes #1787 05 April 2017, 13:06:42 UTC
9b6bc67 optimise `do{...}while(false)` (#1785) - better heuristics to avoid issues like #1532 - fix `TreeWalker.loopcontrol_target()` - `continue` cannot refer to `switch` blocks 04 April 2017, 15:48:22 UTC
4b90dc1 remove `--mangle-props` from fuzzing (#1777) The inherently unsafe nature makes this feature unsuitable to be tested this way. fixes #1774 04 April 2017, 08:24:16 UTC
951770f exclude mangling of special property names (#1779) - `null` - `true` - `false` - numeric literals 03 April 2017, 19:50:19 UTC
48b3fe9 fix `mangleProperties` on identifiers (#1776) - fix handling of "-Infinity" - add test case for "-0" reverts #1481 03 April 2017, 15:17:47 UTC
a400741 workaround Node.js bugs (#1775) Wrap test code in IIFE before passing to `vm` fixes #1768 fixes #1771 03 April 2017, 10:56:11 UTC
59a4e56 fix mangleProperties of `undefined` & `Infinity` (#1772) `NaN` already works by the happy accident of `Number.NaN` fixes #1770 03 April 2017, 04:31:05 UTC
1f1fccc extend `test/ufuzz.js` (#1769) New expressions: - property access - array literal - object literal Miscellaneous: - reduce execution timeout - test `toplevel` and `mangleProperties` 02 April 2017, 20:00:33 UTC
b7f6b73 v2.8.21 02 April 2017, 09:07:55 UTC
9469c03 fix corner case in `switch` (#1765) 02 April 2017, 09:07:20 UTC
d575276 avoid confusion of `NaN` & `Infinity` with `catch` symbol of the same name (#1763) fixes #1760 fixes #1761 02 April 2017, 08:14:09 UTC
f7ca4f2 fix corner cases in switch and undefined (#1762) - fix side effects in switch condition for singular blocks - fix `undefined` confusion with local variable - gate `OPT(AST_Switch)` with `switches` fixes #1758 fixes #1759 02 April 2017, 06:52:25 UTC
c076e7b speed up fuzzer code generation (#1757) - only output one top-level function or statement block - reduce `rng()` granularity from 2^32 to 65536 - fix overflow in `rng()` - track `canThrow` during `typeof` creation 01 April 2017, 21:11:29 UTC
4a55bb0 minor tweaks to `test/ufuzz.js` (#1756) - count iterations from `1` instead of `0` - remove `unsafe` from default set of `minify()` tests - improve usability of help 01 April 2017, 19:17:01 UTC
28ecea5 upgrade fuzzer (#1754) - configurable set of `minify()` options - test and report suspects upon failure - continue after failure if infinite iterations is specified 01 April 2017, 18:10:50 UTC
9a31170 fuzz regexp literals, more constant numbers, typeof expression (#1755) 01 April 2017, 18:08:46 UTC
ee3fe0f fix switch branch elimination (#1752) Merge unreachable case body with previous fallthrough case fixes #1750 01 April 2017, 09:19:57 UTC
87f6e1b minor tweaks to fuzzer (#1751) - remove `let` as variable name - employ `crypto.randomBytes()` 01 April 2017, 09:09:52 UTC
c934fc8 implement `test/sandbox.js` (#1749) - `test/run-tests.js` and `test/ufuzz.js` now shares the same `run_code()` and `same_stdout()` - re-enable fuzzer to generate top-level `NaN`, `Infinity` & `undefined` - attempt to show beautified output only when `run_code()` output is preserved 31 March 2017, 21:47:11 UTC
257ddc3 improve compression of undefined, NaN & Infinitiy (#1748) - migrate transformation logic from `OutputStream` to `Compressor` - always turn `undefined` into `void 0` (unless `unsafe`) - always keep `NaN` except when avoiding local variable redefinition - introduce `keep_infinity` to suppress `1/0` transform, except when avoiding local variable redefinition supersedes #1723 fixes #1730 31 March 2017, 19:02:14 UTC
1ddc057 combine rules for binary boolean operations (#1744) 31 March 2017, 10:47:44 UTC
e6b76a4 Massive extension of the fuzzer (#1697) Fix bug where a `throw` was generated without expression Reenable try/catch/finally and fix them up Skip serialization errors Allow function decl in other funcs but not in blocks etc Rename function to be more appropriate Fix global functions not getting certain names Make the canaries more likely to appear as expressions Add a silly rounding edge case Add a new canary, `c`, which should only ever be incremented Refactoring Fix (another) iife not actually being invoked When a statement hits recursion max return an expression instead of `;` When a expression hits recursion max also inc `c` Generate global code as well as function code Also fixes some argument juggling related bugs. No longer reduces the recursion max when generating sub functions. Generates a function arg. Add used names to var name pool while in that scope This is a little wonky, possibly a hack, but since it's synchronous code I think it's alright to do this. The alternative is to slice the varnames array and juggle them through almost all the generator functions and there are various reasons why this patch is a better alternative. Minify generated code, not beautified code. Prevents beautifier bias. Prevent unnecessary duplication Remove serialization protection because I think it got handled elsewhere Abstract toplevel code generation Add example line of running test case Add poor man options parser, and some options Reindent to 4 spaces Lower chance of `default` generation Comment example of testing a case and output improvement Enable `default` clause appearing at any clause index Removing some training wheels; dont add parens where we dont absolutely need them Support `-s1` and `-s2` to force specific statements being generated at that recursion level Add round number to output when failing. For stats and fun and profit. Solidify statement depth counting. The argument juggling is real. Renamed option to something long. -scf was ugly and probably confusing. Fix missing arguments causing `canThrow` to be truthy, generating crashing code Generate more binary nested expressions Add black and white list cli options for statement generation Allows you to explicitly require or forbid certain statements from/to being made. ``` node test/ufuzz.js --without-stmt switch,try -t 5 -r 5 -V ``` ``` node test/ufuzz.js --only-stmt ifelse,expr -t 5 -r 5 -V ``` Similar granularity for expression may be added later. There can be no comma between names; it just does a split on that arg. Trim down the binary expression generator Prevent scoping issues in nodejs by preventing certain names in global space Oh this list was incomplete? Allow bin-expr to generate assignments too. More vigilant with storing and reusing vars. Add more global builtin names Update wrapper code Also patch Function valueOf 31 March 2017, 09:23:50 UTC
a0c3836 sort options in alphabetical order (#1743) They started off as functional groups I guess, but given the sheer number of options this is becoming too difficult to read. 31 March 2017, 08:41:04 UTC
f8a71b5 v2.8.20 31 March 2017, 07:27:40 UTC
11e9bdc fix missing preamble when shebang is absent (#1742) 31 March 2017, 07:26:57 UTC
a84564d v2.8.19 31 March 2017, 04:26:10 UTC
c595b84 fix catch symbol mangling (#1734) Only need to look up the immediate non-block/catch scope for the same-name special case. fixes #1733 30 March 2017, 18:57:47 UTC
7cb1adf remove paranthesis for `-(x*y)` (#1732) 30 March 2017, 08:09:00 UTC
7bea38a optimize try-catch-finally (#1731) - eliminate empty blocks - flatten out if try-block does not throw 30 March 2017, 04:16:58 UTC
0f910ee improve tests from #1726 (#1729) 29 March 2017, 16:13:46 UTC
beb9659 speed up IIFE elimination (#1728) - `side_effects` will clean up inner statements, so checking for an empty function body should suffice - drop side effects when dropping `return` from statement 29 March 2017, 15:27:35 UTC
f1a833a speed up `equivalent_to()` and `AST_Switch` (#1727) 29 March 2017, 14:08:26 UTC
2e41cd6 fix missing parentheses around NaN/Infinity shorthands (#1726) fixes #1724 fixes #1725 29 March 2017, 12:53:03 UTC
09f77c7 output optimal representations of NaN & Infinity (#1723) - move these optimisations out from `Compressor` to `OutputStream` - fixes behaviour inconsistency when running uglified code from global or module levels due to redefinition 29 March 2017, 10:31:55 UTC
fef0bf9 improve beautified output of switch blocks (#1721) 28 March 2017, 20:40:05 UTC
ae740b9 v2.8.18 28 March 2017, 19:13:30 UTC
ec7f37f remove UGLIFY_DEBUG (#1720) fixes #1719 28 March 2017, 17:27:24 UTC
eb48a03 fix corner case in `unused` (#1718) When fixing catch-related issue in #1715, it tries to optimise for duplicate definitions but did not take anonymous functions into account. Remove such optimisation for now and we can cover this as a more general rule later. 28 March 2017, 17:00:21 UTC
6ab3224 v2.8.17 28 March 2017, 13:49:04 UTC
c909ffb fix `unused` on var of the same name within catch (#1716) fixes #1715 28 March 2017, 13:25:49 UTC
f71f490 fix `is_number()` on `+=` (#1714) fixes #1710 28 March 2017, 09:08:16 UTC
fb177a6 drop anonymous function name when overshadowed by other declarations (#1712) fixes #1709 28 March 2017, 09:02:20 UTC
65da9ac handle var within catch of the same name (#1711) The following code prints `1`: var a = 1; !function(){ a = 4; try{ throw 2; } catch (a) { var a = 3; } }(); console.log(a); fixes #1708 28 March 2017, 08:42:39 UTC
67d0237 fix tail trimming of switch blocks (#1707) now guarded under `dead_code` fixes #1705 27 March 2017, 19:59:13 UTC
984a217 fix mangle for variable declared within catch block (#1706) fixes #1704 27 March 2017, 19:26:35 UTC
aa3f647 ufuzz: workaround for Function.toString() v2 (#1700) 27 March 2017, 13:49:08 UTC
c526da5 `has_side_effects()` should take `AST_Switch.expression` into account (#1699) fixes #1698 27 March 2017, 10:09:35 UTC
581630e fix typeof side effects (#1696) `statement_to_expression()` drops `typeof` even if it operates on undeclared variables. Since we now have `drop_side_effect_free()`, replace and remove this deprecated functionality. 26 March 2017, 20:37:42 UTC
f595293 preserve side effects in switch expression (#1694) fixes #1690 26 March 2017, 18:32:46 UTC
f001e4c fix `cascade` on anonymous function reference (#1693) Unlike normal variables and even function definitions, these cannot be reassigned, even though assignment expressions would "leak" the assigned value as normal. 26 March 2017, 17:58:21 UTC
57ce5bd handle overlapped variable definitions (#1691) Process variable definitions with or without assigned values against: - `arguments` - named function arguments - multiple definitions within same scope Essentially demote variable declarations with no value assignments. Also fixed invalid use of `AST_VarDef` over `arguments` - should use a member of `AST_SymbolDeclaration` instead. 26 March 2017, 17:30:21 UTC
861a79a fix `delete` related issues in `collapse_vars` and `reduce_vars` (#1689) 26 March 2017, 11:14:30 UTC
00996af ufuzz: workaround function name and toString() (#1688) fixes #1686 26 March 2017, 10:18:44 UTC
e76fb35 fix `cascade` on `delete` operator (#1687) Conditions including strict mode would make `delete` return `true` or `false`, and are too complex to be evaluated by the compressor. Suppress assignment folding into said operator. fixes #1685 26 March 2017, 10:08:44 UTC
3276740 fallthrough should not execute case expression (#1683) - de-duplicate trailing cases only, avoid all potential side-effects - enable switch statement fuzzing fixes #1680 26 March 2017, 08:52:38 UTC
5509e51 optimize conditional when condition symbol matches consequent (#1684) 26 March 2017, 08:36:33 UTC
94f8472 suppress switch branch de-duplication upon side effects (#1682) fixes #1679 26 March 2017, 05:32:43 UTC
8a4f865 fix side-effects detection on switch statements (#1678) extension of #1675 26 March 2017, 04:05:44 UTC
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