509 lines
11 KiB
Markdown
509 lines
11 KiB
Markdown
## 5.7.3 (2018-09-10)
|
|
|
|
### Bug fixes
|
|
|
|
Fix failure to tokenize regexps after expressions like `x.of`.
|
|
|
|
Better error message for unterminated template literals.
|
|
|
|
## 5.7.2 (2018-08-24)
|
|
|
|
### Bug fixes
|
|
|
|
Properly handle `allowAwaitOutsideFunction` in for statements.
|
|
|
|
Treat function declarations at the top level of modules like let bindings.
|
|
|
|
Don't allow async function declarations as the only statement under a label.
|
|
|
|
## 5.7.1 (2018-06-15)
|
|
|
|
### Bug fixes
|
|
|
|
Make sure the walker and bin files are rebuilt on release (the previous release didn't get the up-to-date versions).
|
|
|
|
## 5.7.0 (2018-06-15)
|
|
|
|
### Bug fixes
|
|
|
|
Fix crash in walker when walking a binding-less catch node.
|
|
|
|
### New features
|
|
|
|
Upgraded to Unicode 11.
|
|
|
|
## 5.6.2 (2018-06-05)
|
|
|
|
### Bug fixes
|
|
|
|
In the walker, go back to allowing the `baseVisitor` argument to be null to default to the default base everywhere.
|
|
|
|
## 5.6.1 (2018-06-01)
|
|
|
|
### Bug fixes
|
|
|
|
Fix regression when passing `null` as fourth argument to `walk.recursive`.
|
|
|
|
## 5.6.0 (2018-05-31)
|
|
|
|
### Bug fixes
|
|
|
|
Fix a bug in the walker that caused a crash when walking an object pattern spread.
|
|
|
|
### New features
|
|
|
|
Allow U+2028 and U+2029 in string when ECMAVersion >= 10.
|
|
|
|
Allow binding-less catch statements when ECMAVersion >= 10.
|
|
|
|
Add `allowAwaitOutsideFunction` option for parsing top-level `await`.
|
|
|
|
## 5.5.3 (2018-03-08)
|
|
|
|
### Bug fixes
|
|
|
|
A _second_ republish of the code in 5.5.1, this time with yarn, to hopefully get valid timestamps.
|
|
|
|
## 5.5.2 (2018-03-08)
|
|
|
|
### Bug fixes
|
|
|
|
A republish of the code in 5.5.1 in an attempt to solve an issue with the file timestamps in the npm package being 0.
|
|
|
|
## 5.5.1 (2018-03-06)
|
|
|
|
### Bug fixes
|
|
|
|
Fix regression in walker causing property values in object patterns to be walked as expressions.
|
|
|
|
Fix misleading error message for octal escapes in template strings.
|
|
|
|
## 5.5.0 (2018-02-27)
|
|
|
|
### Bug fixes
|
|
|
|
Support object spread in the AST walker.
|
|
|
|
### New features
|
|
|
|
The identifier character categorization is now based on Unicode version 10.
|
|
|
|
Acorn will now validate the content of regular expressions, including new ES9 features.
|
|
|
|
## 5.4.1 (2018-02-02)
|
|
|
|
### Bug fixes
|
|
|
|
5.4.0 somehow accidentally included an old version of walk.js.
|
|
|
|
## 5.4.0 (2018-02-01)
|
|
|
|
### Bug fixes
|
|
|
|
Disallow duplicate or escaped flags on regular expressions.
|
|
|
|
Disallow octal escapes in strings in strict mode.
|
|
|
|
### New features
|
|
|
|
Add support for async iteration.
|
|
|
|
Add support for object spread and rest.
|
|
|
|
## 5.3.0 (2017-12-28)
|
|
|
|
### Bug fixes
|
|
|
|
Fix parsing of floating point literals with leading zeroes in loose mode.
|
|
|
|
Allow duplicate property names in object patterns.
|
|
|
|
Don't allow static class methods named `prototype`.
|
|
|
|
Disallow async functions directly under `if` or `else`.
|
|
|
|
Parse right-hand-side of `for`/`of` as an assignment expression.
|
|
|
|
Stricter parsing of `for`/`in`.
|
|
|
|
Don't allow unicode escapes in contextual keywords.
|
|
|
|
### New features
|
|
|
|
Parsing class members was factored into smaller methods to allow plugins to hook into it.
|
|
|
|
## 5.2.1 (2017-10-30)
|
|
|
|
### Bug fixes
|
|
|
|
Fix a token context corruption bug.
|
|
|
|
## 5.2.0 (2017-10-30)
|
|
|
|
### Bug fixes
|
|
|
|
Fix token context tracking for `class` and `function` in property-name position.
|
|
|
|
Make sure `%*` isn't parsed as a valid operator.
|
|
|
|
The `full` and `fullAncestor` walkers no longer visit nodes multiple times.
|
|
|
|
Allow shorthand properties `get` and `set` to be followed by default values.
|
|
|
|
Disallow `super` when not in callee or object position.
|
|
|
|
### New features
|
|
|
|
Support [`directive` property](https://github.com/estree/estree/compare/b3de58c9997504d6fba04b72f76e6dd1619ee4eb...1da8e603237144f44710360f8feb7a9977e905e0) on directive expression statements.
|
|
|
|
## 5.1.2 (2017-09-04)
|
|
|
|
### Bug fixes
|
|
|
|
Disable parsing of legacy HTML-style comments in modules.
|
|
|
|
Fix parsing of async methods whose names are keywords.
|
|
|
|
## 5.1.1 (2017-07-06)
|
|
|
|
### Bug fixes
|
|
|
|
Fix problem with disambiguating regexp and division after a class.
|
|
|
|
## 5.1.0 (2017-07-05)
|
|
|
|
### Bug fixes
|
|
|
|
Fix tokenizing of regexps in an object-desctructuring `for`/`of` loop and after `yield`.
|
|
|
|
Parse zero-prefixed numbers with non-octal digits as decimal.
|
|
|
|
Allow object/array patterns in rest parameters.
|
|
|
|
Don't error when `yield` is used as a property name.
|
|
|
|
Allow `async` as a shorthand object property.
|
|
|
|
Make the ES module version of the loose parser actually work.
|
|
|
|
### New features
|
|
|
|
Implement the [template literal revision proposal](https://github.com/tc39/proposal-template-literal-revision) for ES9.
|
|
|
|
New walker functions `full` and `fullAncestor`.
|
|
|
|
## 5.0.3 (2017-04-01)
|
|
|
|
### Bug fixes
|
|
|
|
Fix spurious duplicate variable definition errors for named functions.
|
|
|
|
## 5.0.2 (2017-03-30)
|
|
|
|
### Bug fixes
|
|
|
|
A binary operator after a parenthesized arrow expression is no longer incorrectly treated as an error.
|
|
|
|
## 5.0.0 (2017-03-28)
|
|
|
|
### Bug fixes
|
|
|
|
Raise an error for duplicated lexical bindings.
|
|
|
|
Fix spurious error when an assignement expression occurred after a spread expression.
|
|
|
|
Accept regular expressions after `of` (in `for`/`of`), `yield` (in a generator), and braced arrow functions.
|
|
|
|
Allow labels in front or `var` declarations, even in strict mode.
|
|
|
|
### Breaking changes
|
|
|
|
Parse declarations following `export default` as declaration nodes, not expressions. This means that class and function declarations nodes can now have `null` as their `id`.
|
|
|
|
## 4.0.11 (2017-02-07)
|
|
|
|
### Bug fixes
|
|
|
|
Allow all forms of member expressions to be parenthesized as lvalue.
|
|
|
|
## 4.0.10 (2017-02-07)
|
|
|
|
### Bug fixes
|
|
|
|
Don't expect semicolons after default-exported functions or classes,
|
|
even when they are expressions.
|
|
|
|
Check for use of `'use strict'` directives in non-simple parameter
|
|
functions, even when already in strict mode.
|
|
|
|
## 4.0.9 (2017-02-06)
|
|
|
|
### Bug fixes
|
|
|
|
Fix incorrect error raised for parenthesized simple assignment
|
|
targets, so that `(x) = 1` parses again.
|
|
|
|
## 4.0.8 (2017-02-03)
|
|
|
|
### Bug fixes
|
|
|
|
Solve spurious parenthesized pattern errors by temporarily erring on
|
|
the side of accepting programs that our delayed errors don't handle
|
|
correctly yet.
|
|
|
|
## 4.0.7 (2017-02-02)
|
|
|
|
### Bug fixes
|
|
|
|
Accept invalidly rejected code like `(x).y = 2` again.
|
|
|
|
Don't raise an error when a function _inside_ strict code has a
|
|
non-simple parameter list.
|
|
|
|
## 4.0.6 (2017-02-02)
|
|
|
|
### Bug fixes
|
|
|
|
Fix exponential behavior (manifesting itself as a complete hang for
|
|
even relatively small source files) introduced by the new 'use strict'
|
|
check.
|
|
|
|
## 4.0.5 (2017-02-02)
|
|
|
|
### Bug fixes
|
|
|
|
Disallow parenthesized pattern expressions.
|
|
|
|
Allow keywords as export names.
|
|
|
|
Don't allow the `async` keyword to be parenthesized.
|
|
|
|
Properly raise an error when a keyword contains a character escape.
|
|
|
|
Allow `"use strict"` to appear after other string literal expressions.
|
|
|
|
Disallow labeled declarations.
|
|
|
|
## 4.0.4 (2016-12-19)
|
|
|
|
### Bug fixes
|
|
|
|
Fix issue with loading acorn_loose.js with an AMD loader.
|
|
|
|
Fix crash when `export` was followed by a keyword that can't be
|
|
exported.
|
|
|
|
## 4.0.3 (2016-08-16)
|
|
|
|
### Bug fixes
|
|
|
|
Allow regular function declarations inside single-statement `if`
|
|
branches in loose mode. Forbid them entirely in strict mode.
|
|
|
|
Properly parse properties named `async` in ES2017 mode.
|
|
|
|
Fix bug where reserved words were broken in ES2017 mode.
|
|
|
|
## 4.0.2 (2016-08-11)
|
|
|
|
### Bug fixes
|
|
|
|
Don't ignore period or 'e' characters after octal numbers.
|
|
|
|
Fix broken parsing for call expressions in default parameter values
|
|
of arrow functions.
|
|
|
|
## 4.0.1 (2016-08-08)
|
|
|
|
### Bug fixes
|
|
|
|
Fix false positives in duplicated export name errors.
|
|
|
|
## 4.0.0 (2016-08-07)
|
|
|
|
### Breaking changes
|
|
|
|
The default `ecmaVersion` option value is now 7.
|
|
|
|
A number of internal method signatures changed, so plugins might need
|
|
to be updated.
|
|
|
|
### Bug fixes
|
|
|
|
The parser now raises errors on duplicated export names.
|
|
|
|
`arguments` and `eval` can now be used in shorthand properties.
|
|
|
|
Duplicate parameter names in non-simple argument lists now always
|
|
produce an error.
|
|
|
|
### New features
|
|
|
|
The `ecmaVersion` option now also accepts year-style version numbers
|
|
(2015, etc).
|
|
|
|
Support for `async`/`await` syntax when `ecmaVersion` is >= 8.
|
|
|
|
Support for trailing commas in call expressions when `ecmaVersion`
|
|
is >= 8.
|
|
|
|
## 3.3.0 (2016-07-25)
|
|
|
|
### Bug fixes
|
|
|
|
Fix bug in tokenizing of regexp operator after a function declaration.
|
|
|
|
Fix parser crash when parsing an array pattern with a hole.
|
|
|
|
### New features
|
|
|
|
Implement check against complex argument lists in functions that
|
|
enable strict mode in ES7.
|
|
|
|
## 3.2.0 (2016-06-07)
|
|
|
|
### Bug fixes
|
|
|
|
Improve handling of lack of unicode regexp support in host
|
|
environment.
|
|
|
|
Properly reject shorthand properties whose name is a keyword.
|
|
|
|
Don't crash when the loose parser is called without options object.
|
|
|
|
### New features
|
|
|
|
Visitors created with `visit.make` now have their base as _prototype_,
|
|
rather than copying properties into a fresh object.
|
|
|
|
Make it possible to use `visit.ancestor` with a walk state.
|
|
|
|
## 3.1.0 (2016-04-18)
|
|
|
|
### Bug fixes
|
|
|
|
Fix issue where the loose parser created invalid TemplateElement nodes
|
|
for unclosed template literals.
|
|
|
|
Properly tokenize the division operator directly after a function
|
|
expression.
|
|
|
|
Allow trailing comma in destructuring arrays.
|
|
|
|
### New features
|
|
|
|
The walker now allows defining handlers for `CatchClause` nodes.
|
|
|
|
## 3.0.4 (2016-02-25)
|
|
|
|
### Fixes
|
|
|
|
Allow update expressions as left-hand-side of the ES7 exponential
|
|
operator.
|
|
|
|
## 3.0.2 (2016-02-10)
|
|
|
|
### Fixes
|
|
|
|
Fix bug that accidentally made `undefined` a reserved word when
|
|
parsing ES7.
|
|
|
|
## 3.0.0 (2016-02-10)
|
|
|
|
### Breaking changes
|
|
|
|
The default value of the `ecmaVersion` option is now 6 (used to be 5).
|
|
|
|
Support for comprehension syntax (which was dropped from the draft
|
|
spec) has been removed.
|
|
|
|
### Fixes
|
|
|
|
`let` and `yield` are now “contextual keywords”, meaning you can
|
|
mostly use them as identifiers in ES5 non-strict code.
|
|
|
|
A parenthesized class or function expression after `export default` is
|
|
now parsed correctly.
|
|
|
|
### New features
|
|
|
|
When `ecmaVersion` is set to 7, Acorn will parse the exponentiation
|
|
operator (`**`).
|
|
|
|
The identifier character ranges are now based on Unicode 8.0.0.
|
|
|
|
Plugins can now override the `raiseRecoverable` method to override the
|
|
way non-critical errors are handled.
|
|
|
|
## 2.7.0 (2016-01-04)
|
|
|
|
### Fixes
|
|
|
|
Stop allowing rest parameters in setters.
|
|
|
|
Make sure the loose parser always attaches a `local` property to
|
|
`ImportNamespaceSpecifier` nodes.
|
|
|
|
Disallow `y` rexexp flag in ES5.
|
|
|
|
Disallow `\00` and `\000` escapes in strict mode.
|
|
|
|
Raise an error when an import name is a reserved word.
|
|
|
|
## 2.6.4 (2015-11-12)
|
|
|
|
### Fixes
|
|
|
|
Fix crash in loose parser when parsing invalid object pattern.
|
|
|
|
### New features
|
|
|
|
Support plugins in the loose parser.
|
|
|
|
## 2.6.2 (2015-11-10)
|
|
|
|
### Fixes
|
|
|
|
Don't crash when no options object is passed.
|
|
|
|
## 2.6.0 (2015-11-09)
|
|
|
|
### Fixes
|
|
|
|
Add `await` as a reserved word in module sources.
|
|
|
|
Disallow `yield` in a parameter default value for a generator.
|
|
|
|
Forbid using a comma after a rest pattern in an array destructuring.
|
|
|
|
### New features
|
|
|
|
Support parsing stdin in command-line tool.
|
|
|
|
## 2.5.2 (2015-10-27)
|
|
|
|
### Fixes
|
|
|
|
Fix bug where the walker walked an exported `let` statement as an
|
|
expression.
|
|
|
|
## 2.5.0 (2015-10-27)
|
|
|
|
### Fixes
|
|
|
|
Fix tokenizer support in the command-line tool.
|
|
|
|
In the loose parser, don't allow non-string-literals as import
|
|
sources.
|
|
|
|
Stop allowing `new.target` outside of functions.
|
|
|
|
Remove legacy `guard` and `guardedHandler` properties from try nodes.
|
|
|
|
Stop allowing multiple `__proto__` properties on an object literal in
|
|
strict mode.
|
|
|
|
Don't allow rest parameters to be non-identifier patterns.
|
|
|
|
Check for duplicate paramter names in arrow functions.
|