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2017-05-29better fix for #512 & #2010 (#2019)Alex Lam S.L
- remove duplicated functionalities - fix similar issue with `else`
2017-05-28implement `--help options` (#2017)Alex Lam S.L
2017-05-27fix `hoist_funs` on block-scoped `function` under "use strict" (#2013)Alex Lam S.L
Technically not part of ES5, but commonly used code exists in the wild.
2017-05-27fix `if_return` on `AST_Defun` (#2010)Alex Lam S.L
Previous fiix for #1052 perturbs declaration order of functions which leads to incorrect behaviour under "use strict".
2017-05-26fix `dead_code` on block-scoped `function` under "use strict" (#2006)Alex Lam S.L
Technically not part of ES5, but commonly used code exists in the wild.
2017-05-26clean up `lib/scope.js` (#2003)Alex Lam S.L
fixes #2004
2017-05-25report timing breakdown (#2000)Alex Lam S.L
fix corner cases with `sourceMap` fixes #1998
2017-05-23fix source map offset (#1993)Alex Lam S.L
Account for whitespace insertions. fixes #505 fixes #890
2017-05-22improve usability of `global_defs` in `minify()` (#1987)Alex Lam S.L
Use `@key` to `parse()` string value as `AST_Node`. fixes #1986
2017-05-20enhance `if_return` to handle `return void...` (#1977)Alex Lam S.L
fixes #512
2017-05-19introduce `unsafe_regexp` (#1970)Alex Lam S.L
fixes #1964
2017-05-17improve `RegExp` handling (#1959)Alex Lam S.L
- remove `options.output.unescape_regexps` - preserve original pattern whenever possible fixes #54 fixes #1929
2017-05-17remove `space_colon` (#1960)Alex Lam S.L
Always emit space after colon when `options.output.beautify` is enabled.
2017-05-16fix parsing of property access after new line (#1944)Alex Lam S.L
Account for comments when detecting property access in `tokenizer`. fixes #1943
2017-05-15improve keyword-related parser errors (#1941)Alex Lam S.L
fixes #1937
2017-05-15fix & improve coverage of `estree` (#1935)Alex Lam S.L
- fix `estree` conversion of getter/setter - fix non-directive literal in `to_mozilla_ast()` - revamp `test/mozilla-ast.js` - reuse `test/ufuzz.js` for code generation - use `acorn.parse()` for creating `estree` - extend `test/ufuzz.js` for `acorn` workaround - catch variable redefinition - non-trivial literal as directive - adjust options for tolerance Miscellaneous - optional semi-colon when parsing directives fixes #1914 closes #1915
2017-05-14fix bugs with getter/setter (#1926)Alex Lam S.L
- `reduce_vars` - `side_effects` - property access for object - `AST_SymbolAccessor` as key names enhance `test/ufuzz.js` - add object getter & setter - property assignment to setter - avoid infinite recursion in setter - fix & adjust assignment operators - 50% `=` - 25% `+=` - 2.5% each for the rest - avoid "Invalid array length" - fix `console.log()` - bypass getter - curb recursive reference - deprecate `-E`, always report runtime errors
2017-05-12remove support for `const` (#1910)Alex Lam S.L
As this is not part of ES5.
2017-05-12avoid `arguments` and `eval` in `reduce_vars` (#1924)Alex Lam S.L
fixes #1922
2017-05-12fix invalid transform on `const` (#1919)Alex Lam S.L
- preserve (re)assignment to `const` for runtime error - suppress `cascade` on `const`, as runtime behaviour is ill-defined
2017-05-08return `Error` from `minify()` (#1880)Alex Lam S.L
Have `minify()` return `Error` in `result.error` rather than throwing it.
2017-05-08support dumping AST (#1879)Alex Lam S.L
Re-order `AST_Binary` properties to make dump more readable. closes #769
2017-05-08support `minify()` output as AST (#1878)Alex Lam S.L
- `options.output.ast` (default `false`) - `options.output.code` (default `true`)
2017-05-06fix `unsafe` on `evaluate` of `reduce_vars` (#1870)Alex Lam S.L
Determine if variables with non-constant values can escape and be modified. fixes #1865
2017-05-06kill `opera` (#1869)Alex Lam S.L
2017-05-06enhance `collapse_vars` (#1862)Alex Lam S.L
- extend expression types - `a++` - `a=x;` - extend scan range - `for(init;;);` - `switch(expr){case expr:}` - `a = x; a = a || y;` - terminate upon `debugger;` closes #1821 fixes #27 fixes #315 fixes #1858
2017-05-02rename variables for better readability (#1863)Alex Lam S.L
2017-05-02improve literal return optimization (#1860)kzc
2017-04-30enforce `toplevel` on other compress options (#1855)Alex Lam S.L
Respect "funcs" and "vars" properly. fixes #1850
2017-04-24fix `unused` on for-in statements (#1843)Alex Lam S.L
Only need to avoid `var` within the initialisation block. fixes #1841
2017-04-23improve parser under "use strict" (#1836)Alex Lam S.L
- `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
2017-04-23fix `AST_For.init` patch-up in `drop_unused()` (#1839)Alex Lam S.L
fixes #1838
2017-04-22fix label-related bugs (#1835)Alex Lam S.L
- 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
2017-04-20improve `unused` (#1832)Alex Lam S.L
- extract leading value with side-effects out of `var` statement - reduce scanning of `AST_Definitions` from 3 passes to just once
2017-04-20fix `unused` on labeled for-loop (#1831)Alex Lam S.L
fixes #1830
2017-04-19improve `collapse_vars` on `AST_Var` (#1828)Alex Lam S.L
Perform the same cascaded scanning within `var` statement as we do on array of statements.
2017-04-19fix parser bugs & CLI reporting (#1827)Alex Lam S.L
fixes #1825
2017-04-19extend `cascade` into `a.b` (#1829)Alex Lam S.L
fixes #27
2017-04-18clean up `collapse_vars` (#1826)Alex Lam S.L
- 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`
2017-04-18support safe reassignments in `reduce_vars` (#1823)Alex Lam S.L
`var a=1;a=2;x(a)` => `x(2)` fix pre-existing issues - reference counting on assignment - walking of anonymous functions - chained assignment
2017-04-18fix `reduce_vars` on conditionals (#1822)Alex Lam S.L
2017-04-17fix `reduce_vars` on boolean binary expressions (#1819)Alex Lam S.L
Side effects of `&&` and `||` have not mattered until #1814, which takes assignment expressions into account.
2017-04-17compress duplicated variable definitions (#1817)Alex Lam S.L
These are surprisingly common, as people reuse the same variable name within loops or switch branches.
2017-04-17fix `reduce_vars` within try-block (#1818)Alex Lam S.L
Possible partial execution due to exceptions.
2017-04-17enhance `reduce_vars` (#1814)Alex Lam S.L
- allow immediate assignment after declaration of variable - relax modification rule for immutable value - fix order of visit for TreeWalker - remove extraneous code
2017-04-16fix variable substitution (#1816)Alex Lam S.L
- let `collapse_vars` take care of value containing any symbols - improve overhead accounting
2017-04-15unify CLI & API under `minify()` (#1811)Alex Lam S.L
- 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
2017-04-15drop `angular` (#1812)Alex Lam S.L
Remove support for `@ngInject` as there are proper alternatives anyway.
2017-04-12convert `AST_Seq` from binary tree to array (#1460)Alex Lam S.L
- rename `AST_Seq` to `AST_Sequence` - raise default sequences_limit from 200 to 800
2017-04-09fix LHS cases for NaN & friends (#1804)Alex Lam S.L
`Infinity = beyond` should not become `1/0 = beyond`
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