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fixes #2084
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Partially reverts #2059 as this has better coverage and performance.
fixes #2062
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- empty body
- single `AST_Return`
- single `AST_SimpleStatement`
- avoid `/*#__PURE__*/`
Miscellaneous
- enhance single-use function substitution
fixes #281
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apply `webkit` to jetstream tests
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improve function name hack in `run_code()`
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fixes #2040
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- all arguments may accept constant values
- return constant value
- free of side effects
- available & identical across locales and runtime environments
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Separate flag for #203 functionality.
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- remove duplicated functionalities
- fix similar issue with `else`
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Technically not part of ES5, but commonly used code exists in the wild.
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Previous fiix for #1052 perturbs declaration order of functions which leads to incorrect behaviour under "use strict".
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Technically not part of ES5, but commonly used code exists in the wild.
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Use `@key` to `parse()` string value as `AST_Node`.
fixes #1986
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fixes #512
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fixes #1964
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... via semver string on `node_version` label.
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- remove `options.output.unescape_regexps`
- preserve original pattern whenever possible
fixes #54
fixes #1929
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Account for comments when detecting property access in `tokenizer`.
fixes #1943
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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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fixes #1922
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- preserve (re)assignment to `const` for runtime error
- suppress `cascade` on `const`, as runtime behaviour is ill-defined
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Determine if variables with non-constant values can escape and be modified.
fixes #1865
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- 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
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Respect "funcs" and "vars" properly.
fixes #1850
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Only need to avoid `var` within the initialisation block.
fixes #1841
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fixes #1838
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- 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
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- extract leading value with side-effects out of `var` statement
- reduce scanning of `AST_Definitions` from 3 passes to just once
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fixes #1830
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Perform the same cascaded scanning within `var` statement as we do on array of statements.
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fixes #27
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- 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`
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`var a=1;a=2;x(a)` => `x(2)`
fix pre-existing issues
- reference counting on assignment
- walking of anonymous functions
- chained assignment
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Side effects of `&&` and `||` have not mattered until #1814, which takes assignment expressions into account.
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These are surprisingly common, as people reuse the same variable name within loops or switch branches.
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Possible partial execution due to exceptions.
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- allow immediate assignment after declaration of variable
- relax modification rule for immutable value
- fix order of visit for TreeWalker
- remove extraneous code
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- let `collapse_vars` take care of value containing any symbols
- improve overhead accounting
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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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Remove support for `@ngInject` as there are proper alternatives anyway.
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