Regenerating node_modules

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## 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
Fix bug where default expressions could fail to parse inside an object destructuring assignment expression.
## 6.0.1 (2018-09-14)
### Bug fixes
Fix wrong value in `version` export.
## 6.0.0 (2018-09-14)
### Bug fixes
Better handle variable-redefinition checks for catch bindings and functions directly under if statements.
Forbid `new.target` in top-level arrow functions.
Fix issue with parsing a regexp after `yield` in some contexts.
### New features
The package now comes with TypeScript definitions.
### Breaking changes
The default value of the `ecmaVersion` option is now 9 (2018).
Plugins work differently, and will have to be rewritten to work with this version.
The loose parser and walker have been moved into separate packages (`acorn-loose` and `acorn-walk`).
## 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.
## 5.7.0 (2018-06-15)
### New features
Upgraded to Unicode 11.
## 5.6.0 (2018-05-31)
### 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 misleading error message for octal escapes in template strings.
## 5.5.0 (2018-02-27)
### 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.
## 5.4.0 (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.
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.
### New features
Implement the [template literal revision proposal](https://github.com/tc39/proposal-template-literal-revision) for ES9.
## 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 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.
### New features
Visitors created with `visit.make` now have their base as _prototype_, rather than copying properties into a fresh object.
## 3.1.0 (2016-04-18)
### Bug fixes
Properly tokenize the division operator directly after a function expression.
Allow trailing comma in destructuring arrays.
## 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.
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.
## 2.6.2 (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.
## 2.5.0 (2015-10-27)
### Fixes
Fix tokenizer support in the command-line tool.
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.

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MIT License
Copyright (C) 2012-2018 by various contributors (see AUTHORS)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# Acorn
A tiny, fast JavaScript parser written in JavaScript.
## Community
Acorn is open source software released under an
[MIT license](https://github.com/acornjs/acorn/blob/master/acorn/LICENSE).
You are welcome to
[report bugs](https://github.com/acornjs/acorn/issues) or create pull
requests on [github](https://github.com/acornjs/acorn). For questions
and discussion, please use the
[Tern discussion forum](https://discuss.ternjs.net).
## Installation
The easiest way to install acorn is from [`npm`](https://www.npmjs.com/):
```sh
npm install acorn
```
Alternately, you can download the source and build acorn yourself:
```sh
git clone https://github.com/acornjs/acorn.git
cd acorn
npm install
```
## Interface
**parse**`(input, options)` is the main interface to the library. The
`input` parameter is a string, `options` can be undefined or an object
setting some of the options listed below. The return value will be an
abstract syntax tree object as specified by the [ESTree
spec](https://github.com/estree/estree).
```javascript
let acorn = require("acorn");
console.log(acorn.parse("1 + 1"));
```
When encountering a syntax error, the parser will raise a
`SyntaxError` object with a meaningful message. The error object will
have a `pos` property that indicates the string offset at which the
error occurred, and a `loc` object that contains a `{line, column}`
object referring to that same position.
Options can be provided by passing a second argument, which should be
an object containing any of these fields:
- **ecmaVersion**: Indicates the ECMAScript version to parse. Must be
either 3, 5, 6 (2015), 7 (2016), 8 (2017), 9 (2018), 10 (2019) or 11
(2020, partial support). This influences support for strict mode,
the set of reserved words, and support for new syntax features.
Default is 10.
**NOTE**: Only 'stage 4' (finalized) ECMAScript features are being
implemented by Acorn. Other proposed new features can be implemented
through plugins.
- **sourceType**: Indicate the mode the code should be parsed in. Can be
either `"script"` or `"module"`. This influences global strict mode
and parsing of `import` and `export` declarations.
**NOTE**: If set to `"module"`, then static `import` / `export` syntax
will be valid, even if `ecmaVersion` is less than 6.
- **onInsertedSemicolon**: If given a callback, that callback will be
called whenever a missing semicolon is inserted by the parser. The
callback will be given the character offset of the point where the
semicolon is inserted as argument, and if `locations` is on, also a
`{line, column}` object representing this position.
- **onTrailingComma**: Like `onInsertedSemicolon`, but for trailing
commas.
- **allowReserved**: If `false`, using a reserved word will generate
an error. Defaults to `true` for `ecmaVersion` 3, `false` for higher
versions. When given the value `"never"`, reserved words and
keywords can also not be used as property names (as in Internet
Explorer's old parser).
- **allowReturnOutsideFunction**: By default, a return statement at
the top level raises an error. Set this to `true` to accept such
code.
- **allowImportExportEverywhere**: By default, `import` and `export`
declarations can only appear at a program's top level. Setting this
option to `true` allows them anywhere where a statement is allowed.
- **allowAwaitOutsideFunction**: By default, `await` expressions can
only appear inside `async` functions. Setting this option to
`true` allows to have top-level `await` expressions. They are
still not allowed in non-`async` functions, though.
- **allowHashBang**: When this is enabled (off by default), if the
code starts with the characters `#!` (as in a shellscript), the
first line will be treated as a comment.
- **locations**: When `true`, each node has a `loc` object attached
with `start` and `end` subobjects, each of which contains the
one-based line and zero-based column numbers in `{line, column}`
form. Default is `false`.
- **onToken**: If a function is passed for this option, each found
token will be passed in same format as tokens returned from
`tokenizer().getToken()`.
If array is passed, each found token is pushed to it.
Note that you are not allowed to call the parser from the
callback—that will corrupt its internal state.
- **onComment**: If a function is passed for this option, whenever a
comment is encountered the function will be called with the
following parameters:
- `block`: `true` if the comment is a block comment, false if it
is a line comment.
- `text`: The content of the comment.
- `start`: Character offset of the start of the comment.
- `end`: Character offset of the end of the comment.
When the `locations` options is on, the `{line, column}` locations
of the comments start and end are passed as two additional
parameters.
If array is passed for this option, each found comment is pushed
to it as object in Esprima format:
```javascript
{
"type": "Line" | "Block",
"value": "comment text",
"start": Number,
"end": Number,
// If `locations` option is on:
"loc": {
"start": {line: Number, column: Number}
"end": {line: Number, column: Number}
},
// If `ranges` option is on:
"range": [Number, Number]
}
```
Note that you are not allowed to call the parser from the
callback—that will corrupt its internal state.
- **ranges**: Nodes have their start and end characters offsets
recorded in `start` and `end` properties (directly on the node,
rather than the `loc` object, which holds line/column data. To also
add a
[semi-standardized](https://bugzilla.mozilla.org/show_bug.cgi?id=745678)
`range` property holding a `[start, end]` array with the same
numbers, set the `ranges` option to `true`.
- **program**: It is possible to parse multiple files into a single
AST by passing the tree produced by parsing the first file as the
`program` option in subsequent parses. This will add the toplevel
forms of the parsed file to the "Program" (top) node of an existing
parse tree.
- **sourceFile**: When the `locations` option is `true`, you can pass
this option to add a `source` attribute in every nodes `loc`
object. Note that the contents of this option are not examined or
processed in any way; you are free to use whatever format you
choose.
- **directSourceFile**: Like `sourceFile`, but a `sourceFile` property
will be added (regardless of the `location` option) directly to the
nodes, rather than the `loc` object.
- **preserveParens**: If this option is `true`, parenthesized expressions
are represented by (non-standard) `ParenthesizedExpression` nodes
that have a single `expression` property containing the expression
inside parentheses.
**parseExpressionAt**`(input, offset, options)` will parse a single
expression in a string, and return its AST. It will not complain if
there is more of the string left after the expression.
**tokenizer**`(input, options)` returns an object with a `getToken`
method that can be called repeatedly to get the next token, a `{start,
end, type, value}` object (with added `loc` property when the
`locations` option is enabled and `range` property when the `ranges`
option is enabled). When the token's type is `tokTypes.eof`, you
should stop calling the method, since it will keep returning that same
token forever.
In ES6 environment, returned result can be used as any other
protocol-compliant iterable:
```javascript
for (let token of acorn.tokenizer(str)) {
// iterate over the tokens
}
// transform code to array of tokens:
var tokens = [...acorn.tokenizer(str)];
```
**tokTypes** holds an object mapping names to the token type objects
that end up in the `type` properties of tokens.
**getLineInfo**`(input, offset)` can be used to get a `{line,
column}` object for a given program string and offset.
### The `Parser` class
Instances of the **`Parser`** class contain all the state and logic
that drives a parse. It has static methods `parse`,
`parseExpressionAt`, and `tokenizer` that match the top-level
functions by the same name.
When extending the parser with plugins, you need to call these methods
on the extended version of the class. To extend a parser with plugins,
you can use its static `extend` method.
```javascript
var acorn = require("acorn");
var jsx = require("acorn-jsx");
var JSXParser = acorn.Parser.extend(jsx());
JSXParser.parse("foo(<bar/>)");
```
The `extend` method takes any number of plugin values, and returns a
new `Parser` class that includes the extra parser logic provided by
the plugins.
## Command line interface
The `bin/acorn` utility can be used to parse a file from the command
line. It accepts as arguments its input file and the following
options:
- `--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|--ecma10`: Sets the ECMAScript version
to parse. Default is version 9.
- `--module`: Sets the parsing mode to `"module"`. Is set to `"script"` otherwise.
- `--locations`: Attaches a "loc" object to each node with "start" and
"end" subobjects, each of which contains the one-based line and
zero-based column numbers in `{line, column}` form.
- `--allow-hash-bang`: If the code starts with the characters #! (as
in a shellscript), the first line will be treated as a comment.
- `--compact`: No whitespace is used in the AST output.
- `--silent`: Do not output the AST, just return the exit status.
- `--help`: Print the usage information and quit.
The utility spits out the syntax tree as JSON data.
## Existing plugins
- [`acorn-jsx`](https://github.com/RReverser/acorn-jsx): Parse [Facebook JSX syntax extensions](https://github.com/facebook/jsx)
Plugins for ECMAScript proposals:
- [`acorn-stage3`](https://github.com/acornjs/acorn-stage3): Parse most stage 3 proposals, bundling:
- [`acorn-class-fields`](https://github.com/acornjs/acorn-class-fields): Parse [class fields proposal](https://github.com/tc39/proposal-class-fields)
- [`acorn-import-meta`](https://github.com/acornjs/acorn-import-meta): Parse [import.meta proposal](https://github.com/tc39/proposal-import-meta)
- [`acorn-private-methods`](https://github.com/acornjs/acorn-private-methods): parse [private methods, getters and setters proposal](https://github.com/tc39/proposal-private-methods)n

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#!/usr/bin/env node
'use strict';
require('../dist/bin.js');

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export as namespace acorn
export = acorn
declare namespace acorn {
function parse(input: string, options?: Options): Node
function parseExpressionAt(input: string, pos?: number, options?: Options): Node
function tokenizer(input: string, options?: Options): {
getToken(): Token
[Symbol.iterator](): Iterator<Token>
}
interface Options {
ecmaVersion?: 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020
sourceType?: 'script' | 'module'
onInsertedSemicolon?: (lastTokEnd: number, lastTokEndLoc?: Position) => void
onTrailingComma?: (lastTokEnd: number, lastTokEndLoc?: Position) => void
allowReserved?: boolean | 'never'
allowReturnOutsideFunction?: boolean
allowImportExportEverywhere?: boolean
allowAwaitOutsideFunction?: boolean
allowHashBang?: boolean
locations?: boolean
onToken?: ((token: Token) => any) | Token[]
onComment?: ((
isBlock: boolean, text: string, start: number, end: number, startLoc?: Position,
endLoc?: Position
) => void) | Comment[]
ranges?: boolean
program?: Node
sourceFile?: string
directSourceFile?: string
preserveParens?: boolean
}
class Parser {
constructor(options: Options, input: string, startPos?: number)
parse(this: Parser): Node
static parse(this: typeof Parser, input: string, options?: Options): Node
static parseExpressionAt(this: typeof Parser, input: string, pos: number, options?: Options): Node
static tokenizer(this: typeof Parser, input: string, options?: Options): {
getToken(): Token
[Symbol.iterator](): Iterator<Token>
}
static extend(this: typeof Parser, ...plugins: ((BaseParser: typeof Parser) => typeof Parser)[]): typeof Parser
}
interface Position { line: number; column: number; offset: number }
const defaultOptions: Options
function getLineInfo(input: string, offset: number): Position
class SourceLocation {
start: Position
end: Position
source?: string | null
constructor(p: Parser, start: Position, end: Position)
}
class Node {
type: string
start: number
end: number
loc?: SourceLocation
sourceFile?: string
range?: [number, number]
constructor(parser: Parser, pos: number, loc?: SourceLocation)
}
class TokenType {
label: string
keyword: string
beforeExpr: boolean
startsExpr: boolean
isLoop: boolean
isAssign: boolean
prefix: boolean
postfix: boolean
binop: number
updateContext?: (prevType: TokenType) => void
constructor(label: string, conf?: any)
}
const tokTypes: {
num: TokenType
regexp: TokenType
string: TokenType
name: TokenType
eof: TokenType
bracketL: TokenType
bracketR: TokenType
braceL: TokenType
braceR: TokenType
parenL: TokenType
parenR: TokenType
comma: TokenType
semi: TokenType
colon: TokenType
dot: TokenType
question: TokenType
arrow: TokenType
template: TokenType
ellipsis: TokenType
backQuote: TokenType
dollarBraceL: TokenType
eq: TokenType
assign: TokenType
incDec: TokenType
prefix: TokenType
logicalOR: TokenType
logicalAND: TokenType
bitwiseOR: TokenType
bitwiseXOR: TokenType
bitwiseAND: TokenType
equality: TokenType
relational: TokenType
bitShift: TokenType
plusMin: TokenType
modulo: TokenType
star: TokenType
slash: TokenType
starstar: TokenType
_break: TokenType
_case: TokenType
_catch: TokenType
_continue: TokenType
_debugger: TokenType
_default: TokenType
_do: TokenType
_else: TokenType
_finally: TokenType
_for: TokenType
_function: TokenType
_if: TokenType
_return: TokenType
_switch: TokenType
_throw: TokenType
_try: TokenType
_var: TokenType
_const: TokenType
_while: TokenType
_with: TokenType
_new: TokenType
_this: TokenType
_super: TokenType
_class: TokenType
_extends: TokenType
_export: TokenType
_import: TokenType
_null: TokenType
_true: TokenType
_false: TokenType
_in: TokenType
_instanceof: TokenType
_typeof: TokenType
_void: TokenType
_delete: TokenType
}
class TokContext {
constructor(token: string, isExpr: boolean, preserveSpace: boolean, override?: (p: Parser) => void)
}
const tokContexts: {
b_stat: TokContext
b_expr: TokContext
b_tmpl: TokContext
p_stat: TokContext
p_expr: TokContext
q_tmpl: TokContext
f_expr: TokContext
}
function isIdentifierStart(code: number, astral?: boolean): boolean
function isIdentifierChar(code: number, astral?: boolean): boolean
interface AbstractToken {
}
interface Comment extends AbstractToken {
type: string
value: string
start: number
end: number
loc?: SourceLocation
range?: [number, number]
}
class Token {
type: TokenType
value: any
start: number
end: number
loc?: SourceLocation
range?: [number, number]
constructor(p: Parser)
}
function isNewLine(code: number): boolean
const lineBreak: RegExp
const lineBreakG: RegExp
const version: string
}

5186
node_modules/espree/node_modules/acorn/dist/acorn.js generated vendored Normal file

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5155
node_modules/espree/node_modules/acorn/dist/acorn.mjs generated vendored Normal file

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import * as acorn from "./acorn";
export = acorn;

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64
node_modules/espree/node_modules/acorn/dist/bin.js generated vendored Normal file
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'use strict';
var path = require('path');
var fs = require('fs');
var acorn = require('./acorn.js');
var infile, forceFile, silent = false, compact = false, tokenize = false;
var options = {};
function help(status) {
var print = (status === 0) ? console.log : console.error;
print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|...|--ecma2015|--ecma2016|--ecma2017|--ecma2018|...]");
print(" [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]");
process.exit(status);
}
for (var i = 2; i < process.argv.length; ++i) {
var arg = process.argv[i];
if ((arg === "-" || arg[0] !== "-") && !infile) { infile = arg; }
else if (arg === "--" && !infile && i + 2 === process.argv.length) { forceFile = infile = process.argv[++i]; }
else if (arg === "--locations") { options.locations = true; }
else if (arg === "--allow-hash-bang") { options.allowHashBang = true; }
else if (arg === "--silent") { silent = true; }
else if (arg === "--compact") { compact = true; }
else if (arg === "--help") { help(0); }
else if (arg === "--tokenize") { tokenize = true; }
else if (arg === "--module") { options.sourceType = "module"; }
else {
var match = arg.match(/^--ecma(\d+)$/);
if (match)
{ options.ecmaVersion = +match[1]; }
else
{ help(1); }
}
}
function run(code) {
var result;
try {
if (!tokenize) {
result = acorn.parse(code, options);
} else {
result = [];
var tokenizer = acorn.tokenizer(code, options), token;
do {
token = tokenizer.getToken();
result.push(token);
} while (token.type !== acorn.tokTypes.eof)
}
} catch (e) {
console.error(infile && infile !== "-" ? e.message.replace(/\(\d+:\d+\)$/, function (m) { return m.slice(0, 1) + infile + " " + m.slice(1); }) : e.message);
process.exit(1);
}
if (!silent) { console.log(JSON.stringify(result, null, compact ? null : 2)); }
}
if (forceFile || infile && infile !== "-") {
run(fs.readFileSync(infile, "utf8"));
} else {
var code = "";
process.stdin.resume();
process.stdin.on("data", function (chunk) { return code += chunk; });
process.stdin.on("end", function () { return run(code); });
}

39
node_modules/espree/node_modules/acorn/package.json generated vendored Normal file
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{
"name": "acorn",
"description": "ECMAScript parser",
"homepage": "https://github.com/acornjs/acorn",
"main": "dist/acorn.js",
"types": "dist/acorn.d.ts",
"module": "dist/acorn.mjs",
"version": "7.4.0",
"engines": {
"node": ">=0.4.0"
},
"maintainers": [
{
"name": "Marijn Haverbeke",
"email": "marijnh@gmail.com",
"web": "https://marijnhaverbeke.nl"
},
{
"name": "Ingvar Stepanyan",
"email": "me@rreverser.com",
"web": "https://rreverser.com/"
},
{
"name": "Adrian Heine",
"web": "http://adrianheine.de"
}
],
"repository": {
"type": "git",
"url": "https://github.com/acornjs/acorn.git"
},
"license": "MIT",
"scripts": {
"prepare": "cd ..; npm run build:main && npm run build:bin"
},
"bin": {
"acorn": "./bin/acorn"
}
}

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@ -0,0 +1,25 @@
v1.3.0 - June 19, 2020
* [`c92dd7f`](https://github.com/eslint/eslint-visitor-keys/commit/c92dd7ff96f0044dba12d681406a025b92b4c437) Update: add `ChainExpression` node (#12) (Toru Nagashima)
v1.2.0 - June 4, 2020
* [`21f28bf`](https://github.com/eslint/eslint-visitor-keys/commit/21f28bf11be5329d740a8bf6bdbcd0ef13bbf1a2) Update: added exported in exportAllDeclaration key (#10) (Anix)
v1.1.0 - August 13, 2019
* [`9331cc0`](https://github.com/eslint/eslint-visitor-keys/commit/9331cc09e756e65b9044c9186445a474b037fac6) Update: add ImportExpression (#8) (Toru Nagashima)
* [`5967f58`](https://github.com/eslint/eslint-visitor-keys/commit/5967f583b04f17fba9226aaa394e45d476d2b8af) Chore: add supported Node.js versions to CI (#7) (Kai Cataldo)
* [`6f7c60f`](https://github.com/eslint/eslint-visitor-keys/commit/6f7c60fef2ceec9f6323202df718321cec45cab0) Upgrade: eslint-release@1.0.0 (#5) (Teddy Katz)
v1.0.0 - December 18, 2017
* 1f6bd38 Breaking: update keys (#4) (Toru Nagashima)
v0.1.0 - November 17, 2017
* 17b4a88 Chore: update `repository` field in package.json (#3) (Toru Nagashima)
* a5a026b New: eslint-visitor-keys (#1) (Toru Nagashima)
* a1a48b8 Update: Change license to Apache 2 (#2) (Ilya Volodin)
* 2204715 Initial commit (Toru Nagashima)

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@ -0,0 +1,201 @@
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7. Disclaimer of Warranty. Unless required by applicable law or
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APPENDIX: How to apply the Apache License to your work.
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View file

@ -0,0 +1,98 @@
# eslint-visitor-keys
[![npm version](https://img.shields.io/npm/v/eslint-visitor-keys.svg)](https://www.npmjs.com/package/eslint-visitor-keys)
[![Downloads/month](https://img.shields.io/npm/dm/eslint-visitor-keys.svg)](http://www.npmtrends.com/eslint-visitor-keys)
[![Build Status](https://travis-ci.org/eslint/eslint-visitor-keys.svg?branch=master)](https://travis-ci.org/eslint/eslint-visitor-keys)
[![Dependency Status](https://david-dm.org/eslint/eslint-visitor-keys.svg)](https://david-dm.org/eslint/eslint-visitor-keys)
Constants and utilities about visitor keys to traverse AST.
## 💿 Installation
Use [npm] to install.
```bash
$ npm install eslint-visitor-keys
```
### Requirements
- [Node.js] 4.0.0 or later.
## 📖 Usage
```js
const evk = require("eslint-visitor-keys")
```
### evk.KEYS
> type: `{ [type: string]: string[] | undefined }`
Visitor keys. This keys are frozen.
This is an object. Keys are the type of [ESTree] nodes. Their values are an array of property names which have child nodes.
For example:
```
console.log(evk.KEYS.AssignmentExpression) // → ["left", "right"]
```
### evk.getKeys(node)
> type: `(node: object) => string[]`
Get the visitor keys of a given AST node.
This is similar to `Object.keys(node)` of ES Standard, but some keys are excluded: `parent`, `leadingComments`, `trailingComments`, and names which start with `_`.
This will be used to traverse unknown nodes.
For example:
```
const node = {
type: "AssignmentExpression",
left: { type: "Identifier", name: "foo" },
right: { type: "Literal", value: 0 }
}
console.log(evk.getKeys(node)) // → ["type", "left", "right"]
```
### evk.unionWith(additionalKeys)
> type: `(additionalKeys: object) => { [type: string]: string[] | undefined }`
Make the union set with `evk.KEYS` and the given keys.
- The order of keys is, `additionalKeys` is at first, then `evk.KEYS` is concatenated after that.
- It removes duplicated keys as keeping the first one.
For example:
```
console.log(evk.unionWith({
MethodDefinition: ["decorators"]
})) // → { ..., MethodDefinition: ["decorators", "key", "value"], ... }
```
## 📰 Change log
See [GitHub releases](https://github.com/eslint/eslint-visitor-keys/releases).
## 🍻 Contributing
Welcome. See [ESLint contribution guidelines](https://eslint.org/docs/developer-guide/contributing/).
### Development commands
- `npm test` runs tests and measures code coverage.
- `npm run lint` checks source codes with ESLint.
- `npm run coverage` opens the code coverage report of the previous test with your default browser.
- `npm run release` publishes this package to [npm] registory.
[npm]: https://www.npmjs.com/
[Node.js]: https://nodejs.org/en/
[ESTree]: https://github.com/estree/estree

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/**
* @author Toru Nagashima <https://github.com/mysticatea>
* See LICENSE file in root directory for full license.
*/
"use strict";
const KEYS = require("./visitor-keys.json");
// Types.
const NODE_TYPES = Object.freeze(Object.keys(KEYS));
// Freeze the keys.
for (const type of NODE_TYPES) {
Object.freeze(KEYS[type]);
}
Object.freeze(KEYS);
// List to ignore keys.
const KEY_BLACKLIST = new Set([
"parent",
"leadingComments",
"trailingComments"
]);
/**
* Check whether a given key should be used or not.
* @param {string} key The key to check.
* @returns {boolean} `true` if the key should be used.
*/
function filterKey(key) {
return !KEY_BLACKLIST.has(key) && key[0] !== "_";
}
//------------------------------------------------------------------------------
// Public interfaces
//------------------------------------------------------------------------------
module.exports = Object.freeze({
/**
* Visitor keys.
* @type {{ [type: string]: string[] | undefined }}
*/
KEYS,
/**
* Get visitor keys of a given node.
* @param {Object} node The AST node to get keys.
* @returns {string[]} Visitor keys of the node.
*/
getKeys(node) {
return Object.keys(node).filter(filterKey);
},
// Disable valid-jsdoc rule because it reports syntax error on the type of @returns.
// eslint-disable-next-line valid-jsdoc
/**
* Make the union set with `KEYS` and given keys.
* @param {Object} additionalKeys The additional keys.
* @returns {{ [type: string]: string[] | undefined }} The union set.
*/
unionWith(additionalKeys) {
const retv = Object.assign({}, KEYS);
for (const type of Object.keys(additionalKeys)) {
if (retv.hasOwnProperty(type)) {
const keys = new Set(additionalKeys[type]);
for (const key of retv[type]) {
keys.add(key);
}
retv[type] = Object.freeze(Array.from(keys));
} else {
retv[type] = Object.freeze(Array.from(additionalKeys[type]));
}
}
return Object.freeze(retv);
}
});

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{
"AssignmentExpression": [
"left",
"right"
],
"AssignmentPattern": [
"left",
"right"
],
"ArrayExpression": [
"elements"
],
"ArrayPattern": [
"elements"
],
"ArrowFunctionExpression": [
"params",
"body"
],
"AwaitExpression": [
"argument"
],
"BlockStatement": [
"body"
],
"BinaryExpression": [
"left",
"right"
],
"BreakStatement": [
"label"
],
"CallExpression": [
"callee",
"arguments"
],
"CatchClause": [
"param",
"body"
],
"ChainExpression": [
"expression"
],
"ClassBody": [
"body"
],
"ClassDeclaration": [
"id",
"superClass",
"body"
],
"ClassExpression": [
"id",
"superClass",
"body"
],
"ConditionalExpression": [
"test",
"consequent",
"alternate"
],
"ContinueStatement": [
"label"
],
"DebuggerStatement": [],
"DoWhileStatement": [
"body",
"test"
],
"EmptyStatement": [],
"ExportAllDeclaration": [
"exported",
"source"
],
"ExportDefaultDeclaration": [
"declaration"
],
"ExportNamedDeclaration": [
"declaration",
"specifiers",
"source"
],
"ExportSpecifier": [
"exported",
"local"
],
"ExpressionStatement": [
"expression"
],
"ExperimentalRestProperty": [
"argument"
],
"ExperimentalSpreadProperty": [
"argument"
],
"ForStatement": [
"init",
"test",
"update",
"body"
],
"ForInStatement": [
"left",
"right",
"body"
],
"ForOfStatement": [
"left",
"right",
"body"
],
"FunctionDeclaration": [
"id",
"params",
"body"
],
"FunctionExpression": [
"id",
"params",
"body"
],
"Identifier": [],
"IfStatement": [
"test",
"consequent",
"alternate"
],
"ImportDeclaration": [
"specifiers",
"source"
],
"ImportDefaultSpecifier": [
"local"
],
"ImportExpression": [
"source"
],
"ImportNamespaceSpecifier": [
"local"
],
"ImportSpecifier": [
"imported",
"local"
],
"JSXAttribute": [
"name",
"value"
],
"JSXClosingElement": [
"name"
],
"JSXElement": [
"openingElement",
"children",
"closingElement"
],
"JSXEmptyExpression": [],
"JSXExpressionContainer": [
"expression"
],
"JSXIdentifier": [],
"JSXMemberExpression": [
"object",
"property"
],
"JSXNamespacedName": [
"namespace",
"name"
],
"JSXOpeningElement": [
"name",
"attributes"
],
"JSXSpreadAttribute": [
"argument"
],
"JSXText": [],
"JSXFragment": [
"openingFragment",
"children",
"closingFragment"
],
"Literal": [],
"LabeledStatement": [
"label",
"body"
],
"LogicalExpression": [
"left",
"right"
],
"MemberExpression": [
"object",
"property"
],
"MetaProperty": [
"meta",
"property"
],
"MethodDefinition": [
"key",
"value"
],
"NewExpression": [
"callee",
"arguments"
],
"ObjectExpression": [
"properties"
],
"ObjectPattern": [
"properties"
],
"Program": [
"body"
],
"Property": [
"key",
"value"
],
"RestElement": [
"argument"
],
"ReturnStatement": [
"argument"
],
"SequenceExpression": [
"expressions"
],
"SpreadElement": [
"argument"
],
"Super": [],
"SwitchStatement": [
"discriminant",
"cases"
],
"SwitchCase": [
"test",
"consequent"
],
"TaggedTemplateExpression": [
"tag",
"quasi"
],
"TemplateElement": [],
"TemplateLiteral": [
"quasis",
"expressions"
],
"ThisExpression": [],
"ThrowStatement": [
"argument"
],
"TryStatement": [
"block",
"handler",
"finalizer"
],
"UnaryExpression": [
"argument"
],
"UpdateExpression": [
"argument"
],
"VariableDeclaration": [
"declarations"
],
"VariableDeclarator": [
"id",
"init"
],
"WhileStatement": [
"test",
"body"
],
"WithStatement": [
"object",
"body"
],
"YieldExpression": [
"argument"
]
}

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@ -0,0 +1,40 @@
{
"name": "eslint-visitor-keys",
"version": "1.3.0",
"description": "Constants and utilities about visitor keys to traverse AST.",
"main": "lib/index.js",
"files": [
"lib"
],
"engines": {
"node": ">=4"
},
"dependencies": {},
"devDependencies": {
"eslint": "^4.7.2",
"eslint-config-eslint": "^4.0.0",
"eslint-release": "^1.0.0",
"mocha": "^3.5.3",
"nyc": "^11.2.1",
"opener": "^1.4.3"
},
"scripts": {
"lint": "eslint lib tests/lib",
"pretest": "npm run -s lint",
"test": "nyc mocha tests/lib",
"coverage": "nyc report --reporter lcov && opener coverage/lcov-report/index.html",
"generate-release": "eslint-generate-release",
"generate-alpharelease": "eslint-generate-prerelease alpha",
"generate-betarelease": "eslint-generate-prerelease beta",
"generate-rcrelease": "eslint-generate-prerelease rc",
"publish-release": "eslint-publish-release"
},
"repository": "eslint/eslint-visitor-keys",
"keywords": [],
"author": "Toru Nagashima (https://github.com/mysticatea)",
"license": "Apache-2.0",
"bugs": {
"url": "https://github.com/eslint/eslint-visitor-keys/issues"
},
"homepage": "https://github.com/eslint/eslint-visitor-keys#readme"
}