+## 8.7.0 (2021-12-27)
+
+### New features
+
+Support quoted export names.
+
+Upgrade to Unicode 14.
+
+Add support for Unicode 13 properties in regular expressions.
+
+### Bug fixes
+
+Use a loop to find line breaks, because the existing regexp search would overrun the end of the searched range and waste a lot of time in minified code.
+
+## 8.6.0 (2021-11-18)
+
+### Bug fixes
+
+Fix a bug where an object literal with multiple `__proto__` properties would incorrectly be accepted if a later property value held an assigment.
+
+### New features
+
+Support class private fields with the `in` operator.
+
+## 8.5.0 (2021-09-06)
+
+### Bug fixes
+
+Improve context-dependent tokenization in a number of corner cases.
+
+Fix location tracking after a 0x2028 or 0x2029 character in a string literal (which before did not increase the line number).
+
+Fix an issue where arrow function bodies in for loop context would inappropriately consume `in` operators.
+
+Fix wrong end locations stored on SequenceExpression nodes.
+
+Implement restriction that `for`/`of` loop LHS can't start with `let`.
+
+### New features
+
+Add support for ES2022 class static blocks.
+
+Allow multiple input files to be passed to the CLI tool.
+
+## 8.4.1 (2021-06-24)
+
+### Bug fixes
+
+Fix a bug where `allowAwaitOutsideFunction` would allow `await` in class field initializers, and setting `ecmaVersion` to 13 or higher would allow top-level await in non-module sources.
+
+## 8.4.0 (2021-06-11)
+
+### New features
+
+A new option, `allowSuperOutsideMethod`, can be used to suppress the error when `super` is used in the wrong context.
+
+## 8.3.0 (2021-05-31)
+
+### New features
+
+Default `allowAwaitOutsideFunction` to true for ECMAScript 2022 an higher.
+
+Add support for the `d` ([indices](https://github.com/tc39/proposal-regexp-match-indices)) regexp flag.
+
+## 8.2.4 (2021-05-04)
+
+### Bug fixes
+
+Fix spec conformity in corner case 'for await (async of ...)'.
+
+## 8.2.3 (2021-05-04)
+
+### Bug fixes
+
+Fix an issue where the library couldn't parse 'for (async of ...)'.
+
+Fix a bug in UTF-16 decoding that would read characters incorrectly in some circumstances.
+
+## 8.2.2 (2021-04-29)
+
+### Bug fixes
+
+Fix a bug where a class field initialized to an async arrow function wouldn't allow await inside it. Same issue existed for generator arrow functions with yield.
+
+## 8.2.1 (2021-04-24)
+
+### Bug fixes
+
+Fix a regression introduced in 8.2.0 where static or async class methods with keyword names fail to parse.
+
+## 8.2.0 (2021-04-24)
+
+### New features
+
+Add support for ES2022 class fields and private methods.
+
+## 8.1.1 (2021-04-12)
+
+### Various
+
+Stop shipping source maps in the NPM package.
+
+## 8.1.0 (2021-03-09)
+
+### Bug fixes
+
+Fix a spurious error in nested destructuring arrays.
+
+### New features
+
+Expose `allowAwaitOutsideFunction` in CLI interface.
+
+Make `allowImportExportAnywhere` also apply to `import.meta`.
+
+## 8.0.5 (2021-01-25)
+
+### Bug fixes
+
+Adjust package.json to work with Node 12.16.0 and 13.0-13.6.
+
+## 8.0.4 (2020-10-05)
+
+### Bug fixes
+
+Make `await x ** y` an error, following the spec.
+
+Fix potentially exponential regular expression.
+
+## 8.0.3 (2020-10-02)
+
+### Bug fixes
+
+Fix a wasteful loop during `Parser` creation when setting `ecmaVersion` to `"latest"`.
+
+## 8.0.2 (2020-09-30)
+
+### Bug fixes
+
+Make the TypeScript types reflect the current allowed values for `ecmaVersion`.
+
+Fix another regexp/division tokenizer issue.
+
+## 8.0.1 (2020-08-12)
+
+### Bug fixes
+
+Provide the correct value in the `version` export.
+
+## 8.0.0 (2020-08-12)
+
+### Bug fixes
+
+Disallow expressions like `(a = b) = c`.
+
+Make non-octal escape sequences a syntax error in strict mode.
+
+### New features
+
+The package can now be loaded directly as an ECMAScript module in node 13+.
+
+Update to the set of Unicode properties from ES2021.
+
+### Breaking changes
+
+The `ecmaVersion` option is now required. For the moment, omitting it will still work with a warning, but that will change in a future release.
+
+Some changes to method signatures that may be used by plugins.
+
+## 7.4.0 (2020-08-03)
+
+### New features
+
+Add support for logical assignment operators.
+
+Add support for numeric separators.
+
+## 7.3.1 (2020-06-11)
+
+### Bug fixes
+
+Make the string in the `version` export match the actual library version.
+
+## 7.3.0 (2020-06-11)
+
+### Bug fixes
+
+Fix a bug that caused parsing of object patterns with a property named `set` that had a default value to fail.
+
+### New features
+
+Add support for optional chaining (`?.`).
+
+## 7.2.0 (2020-05-09)
+
+### Bug fixes
+
+Fix precedence issue in parsing of async arrow functions.
+
+### New features
+
+Add support for nullish coalescing.
+
+Add support for `import.meta`.
+
+Support `export * as ...` syntax.
+
+Upgrade to Unicode 13.
+
+## 6.4.1 (2020-03-09)
+
+### Bug fixes
+
+More carefully check for valid UTF16 surrogate pairs in regexp validator.
+
+## 7.1.1 (2020-03-01)
+
+### Bug fixes
+
+Treat `\8` and `\9` as invalid escapes in template strings.
+
+Allow unicode escapes in property names that are keywords.
+
+Don't error on an exponential operator expression as argument to `await`.
+
+More carefully check for valid UTF16 surrogate pairs in regexp validator.
+
+## 7.1.0 (2019-09-24)
+
+### Bug fixes
+
+Disallow trailing object literal commas when ecmaVersion is less than 5.
+
+### New features
+
+Add a static `acorn` property to the `Parser` class that contains the entire module interface, to allow plugins to access the instance of the library that they are acting on.
+
+## 7.0.0 (2019-08-13)
+
+### Breaking changes
+
+Changes the node format for dynamic imports to use the `ImportExpression` node type, as defined in [ESTree](https://github.com/estree/estree/blob/master/es2020.md#importexpression).
+
+Makes 10 (ES2019) the default value for the `ecmaVersion` option.
+
+## 6.3.0 (2019-08-12)
+
+### New features
+
+`sourceType: "module"` can now be used even when `ecmaVersion` is less than 6, to parse module-style code that otherwise conforms to an older standard.
+
+## 6.2.1 (2019-07-21)
+
+### Bug fixes
+
+Fix bug causing Acorn to treat some characters as identifier characters that shouldn't be treated as such.
+
+Fix issue where setting the `allowReserved` option to `"never"` allowed reserved words in some circumstances.
+
+## 6.2.0 (2019-07-04)
+
+### Bug fixes
+
+Improve valid assignment checking in `for`/`in` and `for`/`of` loops.
+
+Disallow binding `let` in patterns.
+
+### New features
+
+Support bigint syntax with `ecmaVersion` >= 11.
+
+Support dynamic `import` syntax with `ecmaVersion` >= 11.
+
+Upgrade to Unicode version 12.
+
+## 6.1.1 (2019-02-27)
+
+### Bug fixes
+
+Fix bug that caused parsing default exports of with names to fail.
+
+## 6.1.0 (2019-02-08)
+
+### Bug fixes
+
+Fix scope checking when redefining a `var` as a lexical binding.
+
+### New features
+
+Split up `parseSubscripts` to use an internal `parseSubscript` method to make it easier to extend with plugins.
+
+## 6.0.7 (2019-02-04)
+
+### Bug fixes
+
+Check that exported bindings are defined.
+
+Don't treat `\u180e` as a whitespace character.
+
+Check for duplicate parameter names in methods.
+
+Don't allow shorthand properties when they are generators or async methods.
+
+Forbid binding `await` in async arrow function's parameter list.
+
+## 6.0.6 (2019-01-30)
+
+### Bug fixes
+
+The content of class declarations and expressions is now always parsed in strict mode.
+
+Don't allow `let` or `const` to bind the variable name `let`.
+
+Treat class declarations as lexical.
+
+Don't allow a generator function declaration as the sole body of an `if` or `else`.
+
+Ignore `"use strict"` when after an empty statement.
+
+Allow string line continuations with special line terminator characters.
+
+Treat `for` bodies as part of the `for` scope when checking for conflicting bindings.
+
+Fix bug with parsing `yield` in a `for` loop initializer.
+
+Implement special cases around scope checking for functions.
+
+## 6.0.5 (2019-01-02)
+
+### Bug fixes
+
+Fix TypeScript type for `Parser.extend` and add `allowAwaitOutsideFunction` to options type.
+
+Don't treat `let` as a keyword when the next token is `{` on the next line.
+
+Fix bug that broke checking for parentheses around an object pattern in a destructuring assignment when `preserveParens` was on.
+
+## 6.0.4 (2018-11-05)
+
+### Bug fixes
+
+Further improvements to tokenizing regular expressions in corner cases.
+
+## 6.0.3 (2018-11-04)
+
+### Bug fixes
+
+Fix bug in tokenizing an expression-less return followed by a function followed by a regular expression.
+
+Remove stray symlink in the package tarball.
+
## 6.0.2 (2018-09-26)
### Bug fixes
public / jst.git / blobdiff