aboutsummaryrefslogtreecommitdiff
path: root/lib/compress.js
AgeCommit message (Expand)Author
2017-07-14fix `unsafe` `evaluate` of `Object` static methods (#2232)...fixes #2231Alex Lam S.L
2017-07-14drop `unused` compound assignments (#2230)...fixes #2226Alex Lam S.L
2017-07-13enhance `passes` (#2229)...- remove hardcoded upper limit - continue based on node count reduction - emit verbose statistics fixes #2226Alex Lam S.L
2017-07-08handle duplicate argument names in `collapse_vars` (#2215)Alex Lam S.L
2017-07-07inlining of static methods & constants (#2211)...- guard by `unsafe` - support `Array`, `Math`, `Number`, `Object` & `String` fixes #2207Alex Lam S.L
2017-07-06inline property access of object literal (#2209)...- only if property value is side-effect-free - guard by `unsafe` fixes #2208Alex Lam S.L
2017-07-06suppress `collapse_vars` of `this` as call argument (#2204)...fixes #2203Alex Lam S.L
2017-07-05improve `compress` granularity through `typeofs` (#2201)...fixes #2198Alex Lam S.L
2017-07-03minor clean-ups to `evaluate` (#2197)Alex Lam S.L
2017-07-03improve parenthesis emission (#2196)...- eliminate `throw` usages - suppress extraneous parenthesis - `new function() {foo.bar()}.baz` - `for (function() { "foo" in bar; };;);`Alex Lam S.L
2017-07-03refactor `throw` usage within `compress` (#2193)...Eliminate exceptional constructs from normal control flow.Alex Lam S.L
2017-07-02drop argument value after `collapse_vars` (#2190)Alex Lam S.L
2017-07-02improve `inline` efficiency (#2188)...... by teaching `collapse_vars` some new tricks. fixes #2187Alex Lam S.L
2017-06-27improve `unsafe_Func` (#2171)...- minimise disturbance to `compute_char_frequency()` - remove extraneous quotation marksAlex Lam S.L
2017-06-27parse `@global_defs` as expressions (#2169)...- let parser rejects non-conformant input - eliminate need for extraneous parenthesisAlex Lam S.L
2017-06-24fix `cascade` & `collapse` on property access of constants (#2158)Alex Lam S.L
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)...fixes #2140Alex Lam S.L
2017-06-17make defensive copies when `inline` (#2116)...fixes #2114Alex Lam S.L
2017-06-16fix loss of context in `collapse_vars` & `cascade` (#2112)...fixes #2110Alex Lam S.L
2017-06-16in-place `tigten_body()` (#2111)...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()`Alex Lam S.L
2017-06-16correctly determine scope of `AST_This` (#2109)...fixes #2107Alex Lam S.L
2017-06-16enforce `inline` scope restriction (#2106)...fixes #2105Alex Lam S.L
2017-06-15suppress `inline` of `this` (#2103)...fixes #2101Alex Lam S.L
2017-06-13fix variable accounting in `inline` (#2085)...fixes #2084Alex Lam S.L
2017-06-08fix iteration over object with inherited properties (#2068)...fixes #2055Alex Lam S.L
2017-06-07fix `cascade` on multi-branch evaluations (#2067)...Partially reverts #2059 as this has better coverage and performance. fixes #2062Alex Lam S.L
2017-06-06fix `inline` handling of `AST_Call.args` (#2059)Alex Lam S.L
2017-06-06implement function inlining (#2053)...- empty body - single `AST_Return` - single `AST_SimpleStatement` - avoid `/*#__PURE__*/` Miscellaneous - enhance single-use function substitution fixes #281Alex Lam S.L
2017-06-04fix `AST_Function` scope invariance (#2052)...improve function name hack in `run_code()`Alex Lam S.L
2017-06-01whitelist `unsafe` `evaluate` candidates (#2039)...- all arguments may accept constant values - return constant value - free of side effects - available & identical across locales and runtime environmentsAlex Lam S.L
2017-06-01enhance `unsafe` `evaluate` (#2037)Alex Lam S.L
2017-05-31introduce `unsafe_Func` (#2033)...Separate flag for #203 functionality.Alex Lam S.L
2017-05-29better fix for #512 & #2010 (#2019)...- remove duplicated functionalities - fix similar issue with `else`Alex Lam S.L
2017-05-27fix `hoist_funs` on block-scoped `function` under "use strict" (#2013)...Technically not part of ES5, but commonly used code exists in the wild.Alex Lam S.L
2017-05-27fix `if_return` on `AST_Defun` (#2010)...Previous fiix for #1052 perturbs declaration order of functions which leads to incorrect behaviour under "use strict".Alex Lam S.L
2017-05-26fix `dead_code` on block-scoped `function` under "use strict" (#2006)...Technically not part of ES5, but commonly used code exists in the wild.Alex Lam S.L
2017-05-22improve usability of `global_defs` in `minify()` (#1987)...Use `@key` to `parse()` string value as `AST_Node`. fixes #1986Alex Lam S.L
2017-05-20enhance `if_return` to handle `return void...` (#1977)...fixes #512Alex Lam S.L
2017-05-19introduce `unsafe_regexp` (#1970)...fixes #1964Alex Lam S.L
2017-05-14fix bugs with getter/setter (#1926)...- `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 errorsAlex Lam S.L
2017-05-12remove support for `const` (#1910)...As this is not part of ES5.Alex Lam S.L
2017-05-12avoid `arguments` and `eval` in `reduce_vars` (#1924)...fixes #1922Alex Lam S.L
2017-05-12fix invalid transform on `const` (#1919)...- preserve (re)assignment to `const` for runtime error - suppress `cascade` on `const`, as runtime behaviour is ill-definedAlex Lam S.L
2017-05-06fix `unsafe` on `evaluate` of `reduce_vars` (#1870)...Determine if variables with non-constant values can escape and be modified. fixes #1865Alex Lam S.L
2017-05-06kill `opera` (#1869)Alex Lam S.L
2017-05-06enhance `collapse_vars` (#1862)...- 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 Alex Lam S.L
2017-05-02rename variables for better readability (#1863)Alex Lam S.L