fixes #1887

Merging from master for 3.0.1

There was an implicit assumption that first character within surrogate header range implies the ...

- use underscores rather than dashes.

Have `minify()` return `Error` in `result.error` rather than throwing it.

Re-order `AST_Binary` properties to make dump more readable.

closes #769

fixes #1872

- `options.output.ast` (default `false`)
- `options.output.code` (default `true`)

Merging from master for 3.0.0

Remove deprecated CLI option

Determine if variables with non-constant values can escape and be modified.

fixes #1865

- extend expression types
- `a++`
- `a=x;`
- extend scan range
- `for(init;;);`
- `...

fixes #1859

Respect "funcs" and "vars" properly.

fixes #1850

fixes #1856

fixes #1852

- forbid redeclaration of `this`
- suppress probability for `this` within nested functions

Only need to avoid `var` within the initialisation block.

fixes #1841

- `const` without value
- `delete` of expression
- redefining `arguments` or `eval`

extend ...

fixes #1838

- deep cloning of `AST_LabeledStatement`
- `L:do{...}while(false)`
- empty statement with labe...

- extract leading value with side-effects out of `var` statement
- reduce scanning of `AST_Defi...

fixes #1830

Perform the same cascaded scanning within `var` statement as we do on array of statements.

fixes #1825

fixes #27

- remove overlap in functionality of singular, consecutive reference of constant value
- remove...

`var a=1;a=2;x(a)` => `x(2)`

fix pre-existing issues
- reference counting on assignment
- w...

Side effects of `&&` and `||` have not mattered until #1814, which takes assignment expressions ...

These are surprisingly common, as people reuse the same variable name within loops or switch bra...

Possible partial execution due to exceptions.

- allow immediate assignment after declaration of variable
- relax modification rule for immuta...

- let `collapse_vars` take care of value containing any symbols
- improve overhead accounting

- mention major version bump
- remove reference to internal API

- rename `screw_ie8` to `ie8`
- rename `mangle.except` to `mangle.reserved`
- rename `mangle.p...

Remove support for `@ngInject` as there are proper alternatives anyway.

- rename `AST_Seq` to `AST_Sequence`
- raise default sequences_limit from 200 to 800

Merging from master for 2.8.22

`Infinity = beyond` should not become `1/0 = beyond`

- `-E` to report test cases with runtime errors
- favor returning expressions rather than empty...

- `optimize()` substituted expression
- compute nested property string correctly

fixes #1801...

- assignment
- boolean
- conditional
- sequence

- property access
- property assignment
- allow bare expression within try-block
- normalise ...

`delete Infinity` returns `false` where as `delete (1/0)` returns `true`

Improved catch handling in `figure_out_scope()` means special case treatment of IE8 is no longer...

`AST_Node.optimize()` is context-aware, so don't cache its results to be used elsewhere.

Also...

- property access to `null` & `undefined` always has side effects
- utilise `reduce_vars` to de...

Although it would be nice to enforce `AST_Node` cloning during transformation, that ship has sai...

- better heuristics to avoid issues like #1532
- fix `TreeWalker.loopcontrol_target()`
- `co...

The inherently unsafe nature makes this feature unsuitable to be tested this way.

fixes #1774

- `null`
- `true`
- `false`
- numeric literals

This may be the case for parsing arrow functions,
as left side expressions are converted to des...

- fix handling of "-Infinity"
- add test case for "-0"

reverts #1481

Wrap test code in IIFE before passing to `vm`

fixes #1768
fixes #1771

`NaN` already works by the happy accident of `Number.NaN`

fixes #1770

New expressions:
- property access
- array literal
- object literal

Miscellaneous:
- redu...

Merging from master for 2.8.21

fixes #1760
fixes #1761

- fix side effects in switch condition for singular blocks
- fix `undefined` confusion with loc...

- only output one top-level function or statement block
- reduce `rng()` granularity from 2^32 ...

- count iterations from `1` instead of `0`
- remove `unsafe` from default set of `minify()` tes...

- configurable set of `minify()` options
- test and report suspects upon failure
- continue af...

Merge unreachable case body with previous fallthrough case

fixes #1750

- remove `let` as variable name
- employ `crypto.randomBytes()`

- `test/run-tests.js` and `test/ufuzz.js` now shares the same `run_code()` and `same_stdout()`
...

- migrate transformation logic from `OutputStream` to `Compressor`
- always turn `undefined` in...

- `import * from "x.js"`
- `import * as Name from "x.js"`

Fix bug where a `throw` was generated without expression

Reenable try/catch/finally and fix t...

They started off as functional groups I guess, but given the sheer number of options this is bec...