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fixes #3146
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fixes #3035
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- replace `find_if()` with `all()` wherever possible
- move ESTree-specific logic out of `figure_out_scope()`
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fixes #2976
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fixes #2836
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* SymbolDef info (a.k.a. `thedef`) is now represented as a string containing `"ID name [mangled_name]"`.
* Enhance display of `globals`, `variables`, `functions` and `enclosed`.
* `SymbolDef.next_id` starts at `1` and the `id` is adjusted for `-o ast` display.
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fixes #2728
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fixes #2628
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- suppress spurious `rename` from `commander`
- handle `AST_SymbolCatch` correctly
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- give globally distinct names to distinct variables
- improve ability to compress cross-scoped
- introduce `options.rename` to `minify()`
- default `true` if both `compress` & `mangle`
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- all-or-nothing replacement
- avoid unmangleable names
fixes #2436
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fixes #2254
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fixes #2233
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- minimise maintenance when updating AST
- maximise code sharing between `master` & `harmony`
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fixes #2120
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fixes #2097
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fixes #2004
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- `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
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As this is not part of ES5.
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These are surprisingly common, as people reuse the same variable name within loops or switch branches.
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- 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
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They started off as functional groups I guess, but given the sheer number of options this is becoming too difficult to read.
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Only need to look up the immediate non-block/catch scope for the same-name special case.
fixes #1733
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The following code prints `1`:
var a = 1;
!function(){
a = 4;
try{
throw 2;
} catch (a) {
var a = 3;
}
}();
console.log(a);
fixes #1708
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fixes #1704
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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.
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`AST_Scope.def_variable()` will overwrite `AST_Symbol.thedef`, so save a copy before calling.
fixes #1586
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accounts for IE8- scoping
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- `undefined` etc. can be redefined at top-level for IE8-, so disable related optimisations
- fixed `--support-ie8` catch mangle bug
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- improve marking efficiency
- apply smarter `const` replacement to `var`
fixes #1501
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- fix corner cases in `const` optimisation
- deprecate `/*@const*/`
fixes #1497
closes #1498
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- support arrays, objects & AST_Node
- support `"a.b":1` on both cli & API
- emit warning if variable is modified
- override top-level variables
fixes #1416
closes #1198
closes #1469
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- update modified flag between compress() passes
- support IIFE arguments
- fix corner case with multiple definitions
closes #1473
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happens when inner function:
- just below top level
- not referenced
- `unused` is disabled
closes #1445
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they are computed but never used
closes #1444
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* fix mangling collision with keep_fnames
fixes #1423
* pass mangle options to figure_out_scope()
bring command-line in line with minify()
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- gated by `unsafe`
- replaces previous optimisation specific to String.length
- "123"[0] => 1
- [1, 2, 3][0] => 1
- [1, 2, 3].length => 3
- does not apply to objects with overridden prototype functions
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