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2017-06-23synchronise `mangle.properties` for `minify()` & `test/compress` (#2151)Alex Lam S.L
2017-06-23refactor `Compressor.toplevel` (#2149)Alex Lam S.L
2017-06-23minimise `reduce_vars` cloning overhead (#2148)Alex Lam S.L
2017-06-23fix `reduce_vars` on `this` (#2145)Alex Lam S.L
fixes #2140
2017-06-23fix for-in loop parsing (#2144)Alex Lam S.L
2017-06-20ensure mangling works if catch reuses a scope variable (#2123)Alex Lam S.L
fixes #2120
2017-06-17make defensive copies when `inline` (#2116)Alex Lam S.L
fixes #2114
2017-06-16fix loss of context in `collapse_vars` & `cascade` (#2112)Alex Lam S.L
fixes #2110
2017-06-16in-place `tigten_body()` (#2111)Alex Lam S.L
By reducing copies of `AST_Node` arrays, we should be able to reduce: - memory pressure - potential bugs caused by multiple references in AST - duplicated executions of `OPT()`
2017-06-16correctly determine scope of `AST_This` (#2109)Alex Lam S.L
fixes #2107
2017-06-16enforce `inline` scope restriction (#2106)Alex Lam S.L
fixes #2105
2017-06-15suppress `inline` of `this` (#2103)Alex Lam S.L
fixes #2101
2017-06-15compute `uses_arguments` correctly in `figure_out_scope()` (#2099)Alex Lam S.L
fixes #2097
2017-06-13fix variable accounting in `inline` (#2085)Alex Lam S.L
fixes #2084
2017-06-09marshal `mangle[.properties].reserved` from non-Array values (#2072)Alex Lam S.L
2017-06-08fix iteration over object with inherited properties (#2068)Alex Lam S.L
fixes #2055
2017-06-07fix `cascade` on multi-branch evaluations (#2067)Alex Lam S.L
Partially reverts #2059 as this has better coverage and performance. fixes #2062
2017-06-06fix `inline` handling of `AST_Call.args` (#2059)Alex Lam S.L
2017-06-06implement function inlining (#2053)Alex Lam S.L
- empty body - single `AST_Return` - single `AST_SimpleStatement` - avoid `/*#__PURE__*/` Miscellaneous - enhance single-use function substitution fixes #281
2017-06-06workaround webkit parsing error (#2056)Alex Lam S.L
apply `webkit` to jetstream tests
2017-06-04fix `AST_Function` scope invariance (#2052)Alex Lam S.L
improve function name hack in `run_code()`
2017-06-03clean up `lib/parse.js` (#2047)Alex Lam S.L
- remove unused definitions - replace `array_to_hash()`
2017-06-01fix non-identifier getter/setter name (#2041)Alex Lam S.L
fixes #2040
2017-06-01whitelist `unsafe` `evaluate` candidates (#2039)Alex Lam S.L
- all arguments may accept constant values - return constant value - free of side effects - available & identical across locales and runtime environments
2017-06-01enhance `unsafe` `evaluate` (#2037)Alex Lam S.L
2017-05-31introduce `unsafe_Func` (#2033)Alex Lam S.L
Separate flag for #203 functionality.
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