Deleted typescript directory

This commit is contained in:
Anthony 2017-08-12 14:12:44 -04:00
parent 498800658b
commit 2e7d403c6e
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# Hello World
The classical introductory exercise. Just say "Hello, World!".
["Hello, World!"](http://en.wikipedia.org/wiki/%22Hello,_world!%22_program) is
the traditional first program for beginning programming in a new language
or environment.
The objectives are simple:
- Write a function that returns the string "Hello, World!".
- Run the test suite and make sure that it succeeds.
- Submit your solution and check it at the website.
If everything goes well, you will be ready to fetch your first real exercise.
## Setup
Go through the setup instructions for TypeScript to
install the necessary dependencies:
http://exercism.io/languages/typescript
## Requirements
Install assignment dependencies:
```bash
$ yarn install
```
## Making the test suite pass
Execute the tests with:
```bash
$ yarn test
```
## Source
This is an exercise to introduce users to using Exercism [http://en.wikipedia.org/wiki/%22Hello,_world!%22_program](http://en.wikipedia.org/wiki/%22Hello,_world!%22_program)
## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

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import HelloWorld from "./hello-world"
describe('Hello World', () => {
it('says hello world with no name', () => {
expect(HelloWorld.hello()).toEqual('Hello, World!')
})
xit('says hello to bob', () => {
expect(HelloWorld.hello('Bob')).toEqual('Hello, Bob!')
})
xit('says hello to sally', () => {
expect(HelloWorld.hello('Sally')).toEqual('Hello, Sally!')
})
})

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../acorn/bin/acorn

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../babylon/bin/babylon.js

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../errno/cli.js

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../escodegen/bin/escodegen.js

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../escodegen/bin/esgenerate.js

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../escodegen/node_modules/esprima/bin/esparse.js

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../escodegen/node_modules/esprima/bin/esvalidate.js

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../handlebars/bin/handlebars

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../jest-cli/bin/jest.js

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../jest-runtime/bin/jest-runtime.js

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../js-yaml/bin/js-yaml.js

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../jsesc/bin/jsesc

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../json5/lib/cli.js

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../loose-envify/cli.js

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../mkdirp/bin/cmd.js

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../rimraf/bin.js

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../sane/src/cli.js

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../semver/bin/semver

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../sshpk/bin/sshpk-conv

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../sshpk/bin/sshpk-sign

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../sshpk/bin/sshpk-verify

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../typescript/bin/tsc

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../tslint/bin/tslint

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../typescript/bin/tsserver

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../uglify-js/bin/uglifyjs

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../uuid/bin/uuid

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../which/bin/which

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@ -1,18 +0,0 @@
# Installation
> `npm install --save @types/babel-core`
# Summary
This package contains type definitions for babel-core v6.7 (https://github.com/babel/babel/tree/master/packages/babel-core).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/types-2.0/babel-core
Additional Details
* Last updated: Mon, 19 Sep 2016 16:15:22 GMT
* File structure: UMD
* Library Dependencies: babel-template, babel-traverse, babel-types
* Module Dependencies: babel-template, babel-traverse, babel-types
* Global values: babel
# Credits
These definitions were written by Troy Gerwien <https://github.com/yortus>.

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@ -1,144 +0,0 @@
// Type definitions for babel-core v6.7
// Project: https://github.com/babel/babel/tree/master/packages/babel-core
// Definitions by: Troy Gerwien <https://github.com/yortus>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
/// <reference types="babel-template" />
/// <reference types="babel-traverse" />
/// <reference types="babel-types" />
import * as t from 'babel-types';
export {t as types};
type Node = t.Node;
export import template = require('babel-template');
export var version: string;
import traverse, {Visitor} from "babel-traverse";
export {traverse, Visitor};
/** Transforms the passed in `code`. Returning an object with the generated code, source map, and AST. */
export function transform(code: string, opts?: TransformOptions): BabelFileResult;
/** Asynchronously transforms the entire contents of a file. */
export function transformFile(filename: string, opts: TransformOptions, callback: (err: any, result: BabelFileResult) => void): void;
/** Synchronous version of `babel.transformFile`. Returns the transformed contents of the `filename`. */
export function transformFileSync(filename: string, opts?: TransformOptions): BabelFileResult;
export function transformFromAst(ast: Node, code?: string, opts?: TransformOptions): BabelFileResult;
export interface TransformOptions {
/** Filename to use when reading from stdin - this will be used in source-maps, errors etc. Default: "unknown". */
filename?: string;
/** Filename relative to `sourceRoot`. */
filenameRelative?: string;
/** A source map object that the output source map will be based on. */
inputSourceMap?: Object;
/**
* This is an object of keys that represent different environments. For example, you may have:
* `{ env: { production: { / * specific options * / } } }`
* which will use those options when the enviroment variable `BABEL_ENV` is set to `"production"`.
* If `BABEL_ENV` isn't set then `NODE_ENV` will be used, if it's not set then it defaults to `"development"`.
*/
env?: Object;
/** Retain line numbers - will result in really ugly code. Default: `false` */
retainLines?: boolean;
/** Enable/disable ANSI syntax highlighting of code frames. Default: `true`. */
highlightCode?: boolean;
/** List of presets (a set of plugins) to load and use. */
presets?: any[];
/** List of plugins to load and use. */
plugins?: any[];
/** list of glob paths to **not** compile. Opposite to the `only` option. */
ignore?: string[];
/**
* A glob, regex, or mixed array of both, matching paths to only compile. Can also be an array of arrays containing
* paths to explicitly match. When attempting to compile a non-matching file it's returned verbatim.
*/
only?: string | RegExp | Array<string | RegExp>;
/** Enable code generation. Default: `true`. */
code?: boolean;
/** Include the AST in the returned object. Default: `true`. */
ast?: boolean;
/** A path to an .babelrc file to extend. */
extends?: string;
/** write comments to generated output. Default: `true`. */
comments?: boolean;
/**
* An optional callback that controls whether a comment should be output or not. Called as
* `shouldPrintComment(commentContents)`. **NOTE**: This overrides the `comments` option when used.
*/
shouldPrintComment?: (comment: string) => boolean;
/**
* Do not include superfluous whitespace characters and line terminators. When set to `"auto"`, `compact` is set to
* `true` on input sizes of >100KB.
*/
compact?: boolean | "auto";
/**
* If truthy, adds a `map` property to returned output. If set to `"inline"`, a comment with a `sourceMappingURL`
* directive is added to the bottom of the returned code. If set to `"both"` then a map property is returned as well
* as a source map comment appended.
*/
sourceMaps?: boolean | "inline" | "both";
/** Set `file` on returned source map. */
sourceMapTarget?: string;
/** Set `sources[0]` on returned source map. */
sourceFileName?: string;
/** The root from which all sources are relative. */
sourceRoot?: string;
/** Specify whether or not to use `.babelrc` and `.babelignore` files. Default: `true`. */
babelrc?: boolean;
/** Attach a comment before all non-user injected code. */
auxiliaryCommentBefore?: string;
/** Attach a comment after all non-user injected code. */
auxiliaryCommentAfter?: string;
/**
* Specify a custom callback to generate a module id with. Called as `getModuleId(moduleName)`.
* If falsy value is returned then the generated module id is used.
*/
getModuleId?: (moduleName: string) => string;
/** Optional prefix for the AMD module formatter that will be prepend to the filename on module definitions. */
moduleRoot?: string;
/**
* If truthy, insert an explicit id for modules. By default, all modules are anonymous.
* (Not available for `common` modules).
*/
moduleIds?: boolean;
/** Specify a custom name for module ids. */
moduleId?: string;
}
export interface BabelFileResult {
ast?: Node;
code?: string;
map?: Object;
}
export as namespace babel;

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@ -1,20 +0,0 @@
{
"name": "@types/babel-core",
"version": "6.7.14",
"description": "TypeScript definitions for babel-core v6.7",
"license": "MIT",
"author": "Troy Gerwien <https://github.com/yortus>",
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {
"@types/babel-template": "*",
"@types/babel-traverse": "*",
"@types/babel-types": "*"
},
"typings": "index.d.ts",
"typesPublisherContentHash": "2d550befa083c32707f54767d78e1c72f420940facd52537e518d413e6de4b85"
}

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@ -1,31 +0,0 @@
{
"authors": "Troy Gerwien <https://github.com/yortus>",
"definitionFilename": "index.d.ts",
"libraryDependencies": [
"babel-template",
"babel-traverse",
"babel-types"
],
"moduleDependencies": [
"babel-template",
"babel-traverse",
"babel-types"
],
"libraryMajorVersion": "6",
"libraryMinorVersion": "7",
"libraryName": "babel-core v6.7",
"typingsPackageName": "babel-core",
"projectName": "https://github.com/babel/babel/tree/master/packages/babel-core",
"sourceRepoURL": "https://www.github.com/DefinitelyTyped/DefinitelyTyped",
"sourceBranch": "types-2.0",
"kind": "UMD",
"globals": [
"babel"
],
"declaredModules": [],
"files": [
"index.d.ts"
],
"hasPackageJson": false,
"contentHash": "2d550befa083c32707f54767d78e1c72f420940facd52537e518d413e6de4b85"
}

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@ -1,18 +0,0 @@
# Installation
> `npm install --save @types/babel-template`
# Summary
This package contains type definitions for babel-template v6.7 (https://github.com/babel/babel/tree/master/packages/babel-template).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/types-2.0/babel-template
Additional Details
* Last updated: Mon, 19 Sep 2016 16:15:22 GMT
* File structure: ProperModule
* Library Dependencies: babel-types, babylon
* Module Dependencies: babel-types, babylon
* Global values: template
# Credits
These definitions were written by Troy Gerwien <https://github.com/yortus>.

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// Type definitions for babel-template v6.7
// Project: https://github.com/babel/babel/tree/master/packages/babel-template
// Definitions by: Troy Gerwien <https://github.com/yortus>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
/// <reference types="babylon" />
/// <reference types="babel-types" />
import {BabylonOptions} from 'babylon';
import * as t from 'babel-types';
type Node = t.Node;
// NB: This export doesn't match the handbook example, where `template` is the default export.
// But it does match the runtime behaviour (at least at the time of this writing). For some reason,
// babel-template/lib/index.js has this line at the bottom: module.exports = exports["default"];
export = template;
declare function template(code: string, opts?: BabylonOptions): UseTemplate;
type UseTemplate = (nodes?: {[placeholder: string]: Node}) => Node;

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{
"name": "@types/babel-template",
"version": "6.7.14",
"description": "TypeScript definitions for babel-template v6.7",
"license": "MIT",
"author": "Troy Gerwien <https://github.com/yortus>",
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {
"@types/babel-types": "*",
"@types/babylon": "*"
},
"typings": "index.d.ts",
"typesPublisherContentHash": "b2edf0adc14292f2295019657f7528acb6cbf0623848309478dbda97d6a615d1"
}

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{
"authors": "Troy Gerwien <https://github.com/yortus>",
"definitionFilename": "index.d.ts",
"libraryDependencies": [
"babel-types",
"babylon"
],
"moduleDependencies": [
"babel-types",
"babylon"
],
"libraryMajorVersion": "6",
"libraryMinorVersion": "7",
"libraryName": "babel-template v6.7",
"typingsPackageName": "babel-template",
"projectName": "https://github.com/babel/babel/tree/master/packages/babel-template",
"sourceRepoURL": "https://www.github.com/DefinitelyTyped/DefinitelyTyped",
"sourceBranch": "types-2.0",
"kind": "ProperModule",
"globals": [
"template"
],
"declaredModules": [
"babel-template"
],
"files": [
"index.d.ts"
],
"hasPackageJson": false,
"contentHash": "b2edf0adc14292f2295019657f7528acb6cbf0623848309478dbda97d6a615d1"
}

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@ -1,21 +0,0 @@
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
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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# Installation
> `npm install --save @types/babel-traverse`
# Summary
This package contains type definitions for babel-traverse (https://github.com/babel/babel/tree/master/packages/babel-traverse).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/babel-traverse
Additional Details
* Last updated: Thu, 01 Jun 2017 03:25:51 GMT
* Dependencies: babel-types
* Global values: none
# Credits
These definitions were written by Troy Gerwien <https://github.com/yortus>.

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// Type definitions for babel-traverse v6.7
// Project: https://github.com/babel/babel/tree/master/packages/babel-traverse
// Definitions by: Troy Gerwien <https://github.com/yortus>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
/// <reference types="babel-types" />
import * as t from 'babel-types';
type Node = t.Node;
export default function traverse(parent: Node | Node[], opts?: TraverseOptions, scope?: Scope, state?: any, parentPath?: NodePath<Node>): void;
export interface TraverseOptions extends Visitor {
scope?: Scope;
noScope?: boolean;
}
export class Scope {
constructor(path: NodePath<Node>, parentScope?: Scope);
path: NodePath<Node>;
block: Node;
parentBlock: Node;
parent: Scope;
hub: Hub;
bindings: { [name: string]: Binding; };
/** Traverse node with current scope and path. */
traverse(node: Node | Node[], opts?: TraverseOptions, state?: any): void;
/** Generate a unique identifier and add it to the current scope. */
generateDeclaredUidIdentifier(name?: string): t.Identifier;
/** Generate a unique identifier. */
generateUidIdentifier(name?: string): t.Identifier;
/** Generate a unique `_id1` binding. */
generateUid(name?: string): string;
/** Generate a unique identifier based on a node. */
generateUidIdentifierBasedOnNode(parent: Node, defaultName?: string): t.Identifier;
/**
* Determine whether evaluating the specific input `node` is a consequenceless reference. ie.
* evaluating it wont result in potentially arbitrary code from being ran. The following are
* whitelisted and determined not to cause side effects:
*
* - `this` expressions
* - `super` expressions
* - Bound identifiers
*/
isStatic(node: Node): boolean;
/** Possibly generate a memoised identifier if it is not static and has consequences. */
maybeGenerateMemoised(node: Node, dontPush?: boolean): t.Identifier;
checkBlockScopedCollisions(local: Node, kind: string, name: string, id: Object): void;
rename(oldName: string, newName?: string, block?: Node): void;
dump(): void;
toArray(node: Node, i?: number): Node;
registerDeclaration(path: NodePath<Node>): void;
buildUndefinedNode(): Node;
registerConstantViolation(path: NodePath<Node>): void;
registerBinding(kind: string, path: NodePath<Node>, bindingPath?: NodePath<Node>): void;
addGlobal(node: Node): void;
hasUid(name: string): boolean;
hasGlobal(name: string): boolean;
hasReference(name: string): boolean;
isPure(node: Node, constantsOnly?: boolean): boolean;
setData(key: string, val: any): any;
getData(key: string): any;
removeData(key: string): void;
push(opts: any): void;
getProgramParent(): Scope;
getFunctionParent(): Scope;
getBlockParent(): Scope;
/** Walks the scope tree and gathers **all** bindings. */
getAllBindings(...kinds: string[]): Object;
bindingIdentifierEquals(name: string, node: Node): boolean;
getBinding(name: string): Binding;
getOwnBinding(name: string): Binding;
getBindingIdentifier(name: string): t.Identifier;
getOwnBindingIdentifier(name: string): t.Identifier;
hasOwnBinding(name: string): boolean;
hasBinding(name: string, noGlobals?: boolean): boolean;
parentHasBinding(name: string, noGlobals?: boolean): boolean;
/** Move a binding of `name` to another `scope`. */
moveBindingTo(name: string, scope: Scope): void;
removeOwnBinding(name: string): void;
removeBinding(name: string): void;
}
export class Binding {
constructor(opts: { existing: Binding; identifier: t.Identifier; scope: Scope; path: NodePath<Node>; kind: 'var' | 'let' | 'const'; });
identifier: t.Identifier;
scope: Scope;
path: NodePath<Node>;
kind: 'var' | 'let' | 'const' | 'module';
referenced: boolean;
references: number;
referencePaths: NodePath<Node>[];
constant: boolean;
constantViolations: NodePath<Node>[];
}
export interface Visitor extends VisitNodeObject<Node> {
ArrayExpression?: VisitNode<t.ArrayExpression>;
AssignmentExpression?: VisitNode<t.AssignmentExpression>;
LVal?: VisitNode<t.LVal>;
Expression?: VisitNode<t.Expression>;
BinaryExpression?: VisitNode<t.BinaryExpression>;
Directive?: VisitNode<t.Directive>;
DirectiveLiteral?: VisitNode<t.DirectiveLiteral>;
BlockStatement?: VisitNode<t.BlockStatement>;
BreakStatement?: VisitNode<t.BreakStatement>;
Identifier?: VisitNode<t.Identifier>;
CallExpression?: VisitNode<t.CallExpression>;
CatchClause?: VisitNode<t.CatchClause>;
ConditionalExpression?: VisitNode<t.ConditionalExpression>;
ContinueStatement?: VisitNode<t.ContinueStatement>;
DebuggerStatement?: VisitNode<t.DebuggerStatement>;
DoWhileStatement?: VisitNode<t.DoWhileStatement>;
Statement?: VisitNode<t.Statement>;
EmptyStatement?: VisitNode<t.EmptyStatement>;
ExpressionStatement?: VisitNode<t.ExpressionStatement>;
File?: VisitNode<t.File>;
Program?: VisitNode<t.Program>;
ForInStatement?: VisitNode<t.ForInStatement>;
VariableDeclaration?: VisitNode<t.VariableDeclaration>;
ForStatement?: VisitNode<t.ForStatement>;
FunctionDeclaration?: VisitNode<t.FunctionDeclaration>;
FunctionExpression?: VisitNode<t.FunctionExpression>;
IfStatement?: VisitNode<t.IfStatement>;
LabeledStatement?: VisitNode<t.LabeledStatement>;
StringLiteral?: VisitNode<t.StringLiteral>;
NumericLiteral?: VisitNode<t.NumericLiteral>;
NullLiteral?: VisitNode<t.NullLiteral>;
BooleanLiteral?: VisitNode<t.BooleanLiteral>;
RegExpLiteral?: VisitNode<t.RegExpLiteral>;
LogicalExpression?: VisitNode<t.LogicalExpression>;
MemberExpression?: VisitNode<t.MemberExpression>;
NewExpression?: VisitNode<t.NewExpression>;
ObjectExpression?: VisitNode<t.ObjectExpression>;
ObjectMethod?: VisitNode<t.ObjectMethod>;
ObjectProperty?: VisitNode<t.ObjectProperty>;
RestElement?: VisitNode<t.RestElement>;
ReturnStatement?: VisitNode<t.ReturnStatement>;
SequenceExpression?: VisitNode<t.SequenceExpression>;
SwitchCase?: VisitNode<t.SwitchCase>;
SwitchStatement?: VisitNode<t.SwitchStatement>;
ThisExpression?: VisitNode<t.ThisExpression>;
ThrowStatement?: VisitNode<t.ThrowStatement>;
TryStatement?: VisitNode<t.TryStatement>;
UnaryExpression?: VisitNode<t.UnaryExpression>;
UpdateExpression?: VisitNode<t.UpdateExpression>;
VariableDeclarator?: VisitNode<t.VariableDeclarator>;
WhileStatement?: VisitNode<t.WhileStatement>;
WithStatement?: VisitNode<t.WithStatement>;
AssignmentPattern?: VisitNode<t.AssignmentPattern>;
ArrayPattern?: VisitNode<t.ArrayPattern>;
ArrowFunctionExpression?: VisitNode<t.ArrowFunctionExpression>;
ClassBody?: VisitNode<t.ClassBody>;
ClassDeclaration?: VisitNode<t.ClassDeclaration>;
ClassExpression?: VisitNode<t.ClassExpression>;
ExportAllDeclaration?: VisitNode<t.ExportAllDeclaration>;
ExportDefaultDeclaration?: VisitNode<t.ExportDefaultDeclaration>;
ExportNamedDeclaration?: VisitNode<t.ExportNamedDeclaration>;
Declaration?: VisitNode<t.Declaration>;
ExportSpecifier?: VisitNode<t.ExportSpecifier>;
ForOfStatement?: VisitNode<t.ForOfStatement>;
ImportDeclaration?: VisitNode<t.ImportDeclaration>;
ImportDefaultSpecifier?: VisitNode<t.ImportDefaultSpecifier>;
ImportNamespaceSpecifier?: VisitNode<t.ImportNamespaceSpecifier>;
ImportSpecifier?: VisitNode<t.ImportSpecifier>;
MetaProperty?: VisitNode<t.MetaProperty>;
ClassMethod?: VisitNode<t.ClassMethod>;
ObjectPattern?: VisitNode<t.ObjectPattern>;
SpreadElement?: VisitNode<t.SpreadElement>;
Super?: VisitNode<t.Super>;
TaggedTemplateExpression?: VisitNode<t.TaggedTemplateExpression>;
TemplateLiteral?: VisitNode<t.TemplateLiteral>;
TemplateElement?: VisitNode<t.TemplateElement>;
YieldExpression?: VisitNode<t.YieldExpression>;
AnyTypeAnnotation?: VisitNode<t.AnyTypeAnnotation>;
ArrayTypeAnnotation?: VisitNode<t.ArrayTypeAnnotation>;
BooleanTypeAnnotation?: VisitNode<t.BooleanTypeAnnotation>;
BooleanLiteralTypeAnnotation?: VisitNode<t.BooleanLiteralTypeAnnotation>;
NullLiteralTypeAnnotation?: VisitNode<t.NullLiteralTypeAnnotation>;
ClassImplements?: VisitNode<t.ClassImplements>;
ClassProperty?: VisitNode<t.ClassProperty>;
DeclareClass?: VisitNode<t.DeclareClass>;
DeclareFunction?: VisitNode<t.DeclareFunction>;
DeclareInterface?: VisitNode<t.DeclareInterface>;
DeclareModule?: VisitNode<t.DeclareModule>;
DeclareTypeAlias?: VisitNode<t.DeclareTypeAlias>;
DeclareVariable?: VisitNode<t.DeclareVariable>;
ExistentialTypeParam?: VisitNode<t.ExistentialTypeParam>;
FunctionTypeAnnotation?: VisitNode<t.FunctionTypeAnnotation>;
FunctionTypeParam?: VisitNode<t.FunctionTypeParam>;
GenericTypeAnnotation?: VisitNode<t.GenericTypeAnnotation>;
InterfaceExtends?: VisitNode<t.InterfaceExtends>;
InterfaceDeclaration?: VisitNode<t.InterfaceDeclaration>;
IntersectionTypeAnnotation?: VisitNode<t.IntersectionTypeAnnotation>;
MixedTypeAnnotation?: VisitNode<t.MixedTypeAnnotation>;
NullableTypeAnnotation?: VisitNode<t.NullableTypeAnnotation>;
NumericLiteralTypeAnnotation?: VisitNode<t.NumericLiteralTypeAnnotation>;
NumberTypeAnnotation?: VisitNode<t.NumberTypeAnnotation>;
StringLiteralTypeAnnotation?: VisitNode<t.StringLiteralTypeAnnotation>;
StringTypeAnnotation?: VisitNode<t.StringTypeAnnotation>;
ThisTypeAnnotation?: VisitNode<t.ThisTypeAnnotation>;
TupleTypeAnnotation?: VisitNode<t.TupleTypeAnnotation>;
TypeofTypeAnnotation?: VisitNode<t.TypeofTypeAnnotation>;
TypeAlias?: VisitNode<t.TypeAlias>;
TypeAnnotation?: VisitNode<t.TypeAnnotation>;
TypeCastExpression?: VisitNode<t.TypeCastExpression>;
TypeParameterDeclaration?: VisitNode<t.TypeParameterDeclaration>;
TypeParameterInstantiation?: VisitNode<t.TypeParameterInstantiation>;
ObjectTypeAnnotation?: VisitNode<t.ObjectTypeAnnotation>;
ObjectTypeCallProperty?: VisitNode<t.ObjectTypeCallProperty>;
ObjectTypeIndexer?: VisitNode<t.ObjectTypeIndexer>;
ObjectTypeProperty?: VisitNode<t.ObjectTypeProperty>;
QualifiedTypeIdentifier?: VisitNode<t.QualifiedTypeIdentifier>;
UnionTypeAnnotation?: VisitNode<t.UnionTypeAnnotation>;
VoidTypeAnnotation?: VisitNode<t.VoidTypeAnnotation>;
JSXAttribute?: VisitNode<t.JSXAttribute>;
JSXIdentifier?: VisitNode<t.JSXIdentifier>;
JSXNamespacedName?: VisitNode<t.JSXNamespacedName>;
JSXElement?: VisitNode<t.JSXElement>;
JSXExpressionContainer?: VisitNode<t.JSXExpressionContainer>;
JSXClosingElement?: VisitNode<t.JSXClosingElement>;
JSXMemberExpression?: VisitNode<t.JSXMemberExpression>;
JSXOpeningElement?: VisitNode<t.JSXOpeningElement>;
JSXEmptyExpression?: VisitNode<t.JSXEmptyExpression>;
JSXSpreadAttribute?: VisitNode<t.JSXSpreadAttribute>;
JSXText?: VisitNode<t.JSXText>;
Noop?: VisitNode<t.Noop>;
ParenthesizedExpression?: VisitNode<t.ParenthesizedExpression>;
AwaitExpression?: VisitNode<t.AwaitExpression>;
BindExpression?: VisitNode<t.BindExpression>;
Decorator?: VisitNode<t.Decorator>;
DoExpression?: VisitNode<t.DoExpression>;
ExportDefaultSpecifier?: VisitNode<t.ExportDefaultSpecifier>;
ExportNamespaceSpecifier?: VisitNode<t.ExportNamespaceSpecifier>;
RestProperty?: VisitNode<t.RestProperty>;
SpreadProperty?: VisitNode<t.SpreadProperty>;
Binary?: VisitNode<t.Binary>;
Scopable?: VisitNode<t.Scopable>;
BlockParent?: VisitNode<t.BlockParent>;
Block?: VisitNode<t.Block>;
Terminatorless?: VisitNode<t.Terminatorless>;
CompletionStatement?: VisitNode<t.CompletionStatement>;
Conditional?: VisitNode<t.Conditional>;
Loop?: VisitNode<t.Loop>;
While?: VisitNode<t.While>;
ExpressionWrapper?: VisitNode<t.ExpressionWrapper>;
For?: VisitNode<t.For>;
ForXStatement?: VisitNode<t.ForXStatement>;
Function?: VisitNode<t.Function>;
FunctionParent?: VisitNode<t.FunctionParent>;
Pureish?: VisitNode<t.Pureish>;
Literal?: VisitNode<t.Literal>;
Immutable?: VisitNode<t.Immutable>;
UserWhitespacable?: VisitNode<t.UserWhitespacable>;
Method?: VisitNode<t.Method>;
ObjectMember?: VisitNode<t.ObjectMember>;
Property?: VisitNode<t.Property>;
UnaryLike?: VisitNode<t.UnaryLike>;
Pattern?: VisitNode<t.Pattern>;
Class?: VisitNode<t.Class>;
ModuleDeclaration?: VisitNode<t.ModuleDeclaration>;
ExportDeclaration?: VisitNode<t.ExportDeclaration>;
ModuleSpecifier?: VisitNode<t.ModuleSpecifier>;
Flow?: VisitNode<t.Flow>;
FlowBaseAnnotation?: VisitNode<t.FlowBaseAnnotation>;
FlowDeclaration?: VisitNode<t.FlowDeclaration>;
JSX?: VisitNode<t.JSX>;
Scope?: VisitNode<t.Scopable>;
}
export type VisitNode<T> = VisitNodeFunction<T> | VisitNodeObject<T>;
export type VisitNodeFunction<T> = (path: NodePath<T>, state: any) => void;
export interface VisitNodeObject<T> {
enter?(path: NodePath<T>, state: any): void;
exit?(path: NodePath<T>, state: any): void;
}
export class NodePath<T> {
constructor(hub: Hub, parent: Node);
parent: Node;
hub: Hub;
contexts: TraversalContext[];
data: Object;
shouldSkip: boolean;
shouldStop: boolean;
removed: boolean;
state: any;
opts: Object;
skipKeys: Object;
parentPath: NodePath<Node>;
context: TraversalContext;
container: Object | Object[];
listKey: string;
inList: boolean;
parentKey: string;
key: string;
node: T;
scope: Scope;
type: string;
typeAnnotation: Object;
getScope(scope: Scope): Scope;
setData(key: string, val: any): any;
getData(key: string, def?: any): any;
buildCodeFrameError<TError extends Error>(msg: string, Error?: new (msg: string) => TError): TError;
traverse(visitor: Visitor, state?: any): void;
set(key: string, node: Node): void;
getPathLocation(): string;
debug(buildMessage: Function): void;
// ------------------------- ancestry -------------------------
/**
* Call the provided `callback` with the `NodePath`s of all the parents.
* When the `callback` returns a truthy value, we return that node path.
*/
findParent(callback: (path: NodePath<Node>) => boolean): NodePath<Node>;
find(callback: (path: NodePath<Node>) => boolean): NodePath<Node>;
/** Get the parent function of the current path. */
getFunctionParent(): NodePath<Node>;
/** Walk up the tree until we hit a parent node path in a list. */
getStatementParent(): NodePath<Node>;
/**
* Get the deepest common ancestor and then from it, get the earliest relationship path
* to that ancestor.
*
* Earliest is defined as being "before" all the other nodes in terms of list container
* position and visiting key.
*/
getEarliestCommonAncestorFrom(paths: NodePath<Node>[]): NodePath<Node>;
/** Get the earliest path in the tree where the provided `paths` intersect. */
getDeepestCommonAncestorFrom(paths: NodePath<Node>[], filter?: Function): NodePath<Node>;
/**
* Build an array of node paths containing the entire ancestry of the current node path.
*
* NOTE: The current node path is included in this.
*/
getAncestry(): NodePath<Node>[];
inType(...candidateTypes: string[]): boolean;
// ------------------------- inference -------------------------
/** Infer the type of the current `NodePath`. */
getTypeAnnotation(): t.FlowTypeAnnotation;
isBaseType(baseName: string, soft?: boolean): boolean;
couldBeBaseType(name: string): boolean;
baseTypeStrictlyMatches(right: NodePath<Node>): boolean;
isGenericType(genericName: string): boolean;
// ------------------------- replacement -------------------------
/**
* Replace a node with an array of multiple. This method performs the following steps:
*
* - Inherit the comments of first provided node with that of the current node.
* - Insert the provided nodes after the current node.
* - Remove the current node.
*/
replaceWithMultiple(nodes: Node[]): void;
/**
* Parse a string as an expression and replace the current node with the result.
*
* NOTE: This is typically not a good idea to use. Building source strings when
* transforming ASTs is an antipattern and SHOULD NOT be encouraged. Even if it's
* easier to use, your transforms will be extremely brittle.
*/
replaceWithSourceString(replacement: any): void;
/** Replace the current node with another. */
replaceWith(replacement: Node | NodePath<Node>): void;
/**
* This method takes an array of statements nodes and then explodes it
* into expressions. This method retains completion records which is
* extremely important to retain original semantics.
*/
replaceExpressionWithStatements(nodes: Node[]): Node;
replaceInline(nodes: Node | Node[]): void;
// ------------------------- evaluation -------------------------
/**
* Walk the input `node` and statically evaluate if it's truthy.
*
* Returning `true` when we're sure that the expression will evaluate to a
* truthy value, `false` if we're sure that it will evaluate to a falsy
* value and `undefined` if we aren't sure. Because of this please do not
* rely on coercion when using this method and check with === if it's false.
*/
evaluateTruthy(): boolean;
/**
* Walk the input `node` and statically evaluate it.
*
* Returns an object in the form `{ confident, value }`. `confident` indicates
* whether or not we had to drop out of evaluating the expression because of
* hitting an unknown node that we couldn't confidently find the value of.
*
* Example:
*
* t.evaluate(parse("5 + 5")) // { confident: true, value: 10 }
* t.evaluate(parse("!true")) // { confident: true, value: false }
* t.evaluate(parse("foo + foo")) // { confident: false, value: undefined }
*/
evaluate(): { confident: boolean; value: any };
// ------------------------- introspection -------------------------
/**
* Match the current node if it matches the provided `pattern`.
*
* For example, given the match `React.createClass` it would match the
* parsed nodes of `React.createClass` and `React["createClass"]`.
*/
matchesPattern(pattern: string, allowPartial?: boolean): boolean;
/**
* Check whether we have the input `key`. If the `key` references an array then we check
* if the array has any items, otherwise we just check if it's falsy.
*/
has(key: string): boolean;
isStatic(): boolean;
/** Alias of `has`. */
is(key: string): boolean;
/** Opposite of `has`. */
isnt(key: string): boolean;
/** Check whether the path node `key` strict equals `value`. */
equals(key: string, value: any): boolean;
/**
* Check the type against our stored internal type of the node. This is handy when a node has
* been removed yet we still internally know the type and need it to calculate node replacement.
*/
isNodeType(type: string): boolean;
/**
* This checks whether or not we're in one of the following positions:
*
* for (KEY in right);
* for (KEY;;);
*
* This is because these spots allow VariableDeclarations AND normal expressions so we need
* to tell the path replacement that it's ok to replace this with an expression.
*/
canHaveVariableDeclarationOrExpression(): boolean;
/**
* This checks whether we are swapping an arrow function's body between an
* expression and a block statement (or vice versa).
*
* This is because arrow functions may implicitly return an expression, which
* is the same as containing a block statement.
*/
canSwapBetweenExpressionAndStatement(replacement: Node): boolean;
/** Check whether the current path references a completion record */
isCompletionRecord(allowInsideFunction?: boolean): boolean;
/**
* Check whether or not the current `key` allows either a single statement or block statement
* so we can explode it if necessary.
*/
isStatementOrBlock(): boolean;
/** Check if the currently assigned path references the `importName` of `moduleSource`. */
referencesImport(moduleSource: string, importName: string): boolean;
/** Get the source code associated with this node. */
getSource(): string;
// ------------------------- context -------------------------
call(key: string): boolean;
isBlacklisted(): boolean;
visit(): boolean;
skip(): void;
skipKey(key: string): void;
stop(): void;
setScope(): void;
setContext(context: TraversalContext): NodePath<T>;
popContext(): void;
pushContext(context: TraversalContext): void;
// ------------------------- removal -------------------------
remove(): void;
// ------------------------- modification -------------------------
/** Insert the provided nodes before the current one. */
insertBefore(nodes: Node | Node[]): any;
/**
* Insert the provided nodes after the current one. When inserting nodes after an
* expression, ensure that the completion record is correct by pushing the current node.
*/
insertAfter(nodes: Node | Node[]): any;
/** Update all sibling node paths after `fromIndex` by `incrementBy`. */
updateSiblingKeys(fromIndex: number, incrementBy: number): void;
/** Hoist the current node to the highest scope possible and return a UID referencing it. */
hoist(scope: Scope): void;
// ------------------------- family -------------------------
getStatementParent(): NodePath<Node>;
getOpposite(): NodePath<Node>;
getCompletionRecords(): NodePath<Node>[];
getSibling(key: string): NodePath<Node>;
get(key: string, context?: boolean | TraversalContext): NodePath<Node>;
getBindingIdentifiers(duplicates?: boolean): Node[];
getOuterBindingIdentifiers(duplicates?: boolean): Node[];
// ------------------------- comments -------------------------
/** Share comments amongst siblings. */
shareCommentsWithSiblings(): void;
addComment(type: string, content: string, line?: boolean): void;
/** Give node `comments` of the specified `type`. */
addComments(type: string, comments: any[]): void;
// ------------------------- isXXX -------------------------
isArrayExpression(opts?: Object): boolean;
isAssignmentExpression(opts?: Object): boolean;
isBinaryExpression(opts?: Object): boolean;
isDirective(opts?: Object): boolean;
isDirectiveLiteral(opts?: Object): boolean;
isBlockStatement(opts?: Object): boolean;
isBreakStatement(opts?: Object): boolean;
isCallExpression(opts?: Object): boolean;
isCatchClause(opts?: Object): boolean;
isConditionalExpression(opts?: Object): boolean;
isContinueStatement(opts?: Object): boolean;
isDebuggerStatement(opts?: Object): boolean;
isDoWhileStatement(opts?: Object): boolean;
isEmptyStatement(opts?: Object): boolean;
isExpressionStatement(opts?: Object): boolean;
isFile(opts?: Object): boolean;
isForInStatement(opts?: Object): boolean;
isForStatement(opts?: Object): boolean;
isFunctionDeclaration(opts?: Object): boolean;
isFunctionExpression(opts?: Object): boolean;
isIdentifier(opts?: Object): boolean;
isIfStatement(opts?: Object): boolean;
isLabeledStatement(opts?: Object): boolean;
isStringLiteral(opts?: Object): boolean;
isNumericLiteral(opts?: Object): boolean;
isNullLiteral(opts?: Object): boolean;
isBooleanLiteral(opts?: Object): boolean;
isRegExpLiteral(opts?: Object): boolean;
isLogicalExpression(opts?: Object): boolean;
isMemberExpression(opts?: Object): boolean;
isNewExpression(opts?: Object): boolean;
isProgram(opts?: Object): boolean;
isObjectExpression(opts?: Object): boolean;
isObjectMethod(opts?: Object): boolean;
isObjectProperty(opts?: Object): boolean;
isRestElement(opts?: Object): boolean;
isReturnStatement(opts?: Object): boolean;
isSequenceExpression(opts?: Object): boolean;
isSwitchCase(opts?: Object): boolean;
isSwitchStatement(opts?: Object): boolean;
isThisExpression(opts?: Object): boolean;
isThrowStatement(opts?: Object): boolean;
isTryStatement(opts?: Object): boolean;
isUnaryExpression(opts?: Object): boolean;
isUpdateExpression(opts?: Object): boolean;
isVariableDeclaration(opts?: Object): boolean;
isVariableDeclarator(opts?: Object): boolean;
isWhileStatement(opts?: Object): boolean;
isWithStatement(opts?: Object): boolean;
isAssignmentPattern(opts?: Object): boolean;
isArrayPattern(opts?: Object): boolean;
isArrowFunctionExpression(opts?: Object): boolean;
isClassBody(opts?: Object): boolean;
isClassDeclaration(opts?: Object): boolean;
isClassExpression(opts?: Object): boolean;
isExportAllDeclaration(opts?: Object): boolean;
isExportDefaultDeclaration(opts?: Object): boolean;
isExportNamedDeclaration(opts?: Object): boolean;
isExportSpecifier(opts?: Object): boolean;
isForOfStatement(opts?: Object): boolean;
isImportDeclaration(opts?: Object): boolean;
isImportDefaultSpecifier(opts?: Object): boolean;
isImportNamespaceSpecifier(opts?: Object): boolean;
isImportSpecifier(opts?: Object): boolean;
isMetaProperty(opts?: Object): boolean;
isClassMethod(opts?: Object): boolean;
isObjectPattern(opts?: Object): boolean;
isSpreadElement(opts?: Object): boolean;
isSuper(opts?: Object): boolean;
isTaggedTemplateExpression(opts?: Object): boolean;
isTemplateElement(opts?: Object): boolean;
isTemplateLiteral(opts?: Object): boolean;
isYieldExpression(opts?: Object): boolean;
isAnyTypeAnnotation(opts?: Object): boolean;
isArrayTypeAnnotation(opts?: Object): boolean;
isBooleanTypeAnnotation(opts?: Object): boolean;
isBooleanLiteralTypeAnnotation(opts?: Object): boolean;
isNullLiteralTypeAnnotation(opts?: Object): boolean;
isClassImplements(opts?: Object): boolean;
isClassProperty(opts?: Object): boolean;
isDeclareClass(opts?: Object): boolean;
isDeclareFunction(opts?: Object): boolean;
isDeclareInterface(opts?: Object): boolean;
isDeclareModule(opts?: Object): boolean;
isDeclareTypeAlias(opts?: Object): boolean;
isDeclareVariable(opts?: Object): boolean;
isExistentialTypeParam(opts?: Object): boolean;
isFunctionTypeAnnotation(opts?: Object): boolean;
isFunctionTypeParam(opts?: Object): boolean;
isGenericTypeAnnotation(opts?: Object): boolean;
isInterfaceExtends(opts?: Object): boolean;
isInterfaceDeclaration(opts?: Object): boolean;
isIntersectionTypeAnnotation(opts?: Object): boolean;
isMixedTypeAnnotation(opts?: Object): boolean;
isNullableTypeAnnotation(opts?: Object): boolean;
isNumericLiteralTypeAnnotation(opts?: Object): boolean;
isNumberTypeAnnotation(opts?: Object): boolean;
isStringLiteralTypeAnnotation(opts?: Object): boolean;
isStringTypeAnnotation(opts?: Object): boolean;
isThisTypeAnnotation(opts?: Object): boolean;
isTupleTypeAnnotation(opts?: Object): boolean;
isTypeofTypeAnnotation(opts?: Object): boolean;
isTypeAlias(opts?: Object): boolean;
isTypeAnnotation(opts?: Object): boolean;
isTypeCastExpression(opts?: Object): boolean;
isTypeParameterDeclaration(opts?: Object): boolean;
isTypeParameterInstantiation(opts?: Object): boolean;
isObjectTypeAnnotation(opts?: Object): boolean;
isObjectTypeCallProperty(opts?: Object): boolean;
isObjectTypeIndexer(opts?: Object): boolean;
isObjectTypeProperty(opts?: Object): boolean;
isQualifiedTypeIdentifier(opts?: Object): boolean;
isUnionTypeAnnotation(opts?: Object): boolean;
isVoidTypeAnnotation(opts?: Object): boolean;
isJSXAttribute(opts?: Object): boolean;
isJSXClosingElement(opts?: Object): boolean;
isJSXElement(opts?: Object): boolean;
isJSXEmptyExpression(opts?: Object): boolean;
isJSXExpressionContainer(opts?: Object): boolean;
isJSXIdentifier(opts?: Object): boolean;
isJSXMemberExpression(opts?: Object): boolean;
isJSXNamespacedName(opts?: Object): boolean;
isJSXOpeningElement(opts?: Object): boolean;
isJSXSpreadAttribute(opts?: Object): boolean;
isJSXText(opts?: Object): boolean;
isNoop(opts?: Object): boolean;
isParenthesizedExpression(opts?: Object): boolean;
isAwaitExpression(opts?: Object): boolean;
isBindExpression(opts?: Object): boolean;
isDecorator(opts?: Object): boolean;
isDoExpression(opts?: Object): boolean;
isExportDefaultSpecifier(opts?: Object): boolean;
isExportNamespaceSpecifier(opts?: Object): boolean;
isRestProperty(opts?: Object): boolean;
isSpreadProperty(opts?: Object): boolean;
isExpression(opts?: Object): boolean;
isBinary(opts?: Object): boolean;
isScopable(opts?: Object): boolean;
isBlockParent(opts?: Object): boolean;
isBlock(opts?: Object): boolean;
isStatement(opts?: Object): boolean;
isTerminatorless(opts?: Object): boolean;
isCompletionStatement(opts?: Object): boolean;
isConditional(opts?: Object): boolean;
isLoop(opts?: Object): boolean;
isWhile(opts?: Object): boolean;
isExpressionWrapper(opts?: Object): boolean;
isFor(opts?: Object): boolean;
isForXStatement(opts?: Object): boolean;
isFunction(opts?: Object): boolean;
isFunctionParent(opts?: Object): boolean;
isPureish(opts?: Object): boolean;
isDeclaration(opts?: Object): boolean;
isLVal(opts?: Object): boolean;
isLiteral(opts?: Object): boolean;
isImmutable(opts?: Object): boolean;
isUserWhitespacable(opts?: Object): boolean;
isMethod(opts?: Object): boolean;
isObjectMember(opts?: Object): boolean;
isProperty(opts?: Object): boolean;
isUnaryLike(opts?: Object): boolean;
isPattern(opts?: Object): boolean;
isClass(opts?: Object): boolean;
isModuleDeclaration(opts?: Object): boolean;
isExportDeclaration(opts?: Object): boolean;
isModuleSpecifier(opts?: Object): boolean;
isFlow(opts?: Object): boolean;
isFlowBaseAnnotation(opts?: Object): boolean;
isFlowDeclaration(opts?: Object): boolean;
isJSX(opts?: Object): boolean;
isNumberLiteral(opts?: Object): boolean;
isRegexLiteral(opts?: Object): boolean;
isReferencedIdentifier(opts?: Object): boolean;
isReferencedMemberExpression(opts?: Object): boolean;
isBindingIdentifier(opts?: Object): boolean;
isScope(opts?: Object): boolean;
isReferenced(opts?: Object): boolean;
isBlockScoped(opts?: Object): boolean;
isVar(opts?: Object): boolean;
isUser(opts?: Object): boolean;
isGenerated(opts?: Object): boolean;
isPure(opts?: Object): boolean;
// ------------------------- assertXXX -------------------------
assertArrayExpression(opts?: Object): void;
assertAssignmentExpression(opts?: Object): void;
assertBinaryExpression(opts?: Object): void;
assertDirective(opts?: Object): void;
assertDirectiveLiteral(opts?: Object): void;
assertBlockStatement(opts?: Object): void;
assertBreakStatement(opts?: Object): void;
assertCallExpression(opts?: Object): void;
assertCatchClause(opts?: Object): void;
assertConditionalExpression(opts?: Object): void;
assertContinueStatement(opts?: Object): void;
assertDebuggerStatement(opts?: Object): void;
assertDoWhileStatement(opts?: Object): void;
assertEmptyStatement(opts?: Object): void;
assertExpressionStatement(opts?: Object): void;
assertFile(opts?: Object): void;
assertForInStatement(opts?: Object): void;
assertForStatement(opts?: Object): void;
assertFunctionDeclaration(opts?: Object): void;
assertFunctionExpression(opts?: Object): void;
assertIdentifier(opts?: Object): void;
assertIfStatement(opts?: Object): void;
assertLabeledStatement(opts?: Object): void;
assertStringLiteral(opts?: Object): void;
assertNumericLiteral(opts?: Object): void;
assertNullLiteral(opts?: Object): void;
assertBooleanLiteral(opts?: Object): void;
assertRegExpLiteral(opts?: Object): void;
assertLogicalExpression(opts?: Object): void;
assertMemberExpression(opts?: Object): void;
assertNewExpression(opts?: Object): void;
assertProgram(opts?: Object): void;
assertObjectExpression(opts?: Object): void;
assertObjectMethod(opts?: Object): void;
assertObjectProperty(opts?: Object): void;
assertRestElement(opts?: Object): void;
assertReturnStatement(opts?: Object): void;
assertSequenceExpression(opts?: Object): void;
assertSwitchCase(opts?: Object): void;
assertSwitchStatement(opts?: Object): void;
assertThisExpression(opts?: Object): void;
assertThrowStatement(opts?: Object): void;
assertTryStatement(opts?: Object): void;
assertUnaryExpression(opts?: Object): void;
assertUpdateExpression(opts?: Object): void;
assertVariableDeclaration(opts?: Object): void;
assertVariableDeclarator(opts?: Object): void;
assertWhileStatement(opts?: Object): void;
assertWithStatement(opts?: Object): void;
assertAssignmentPattern(opts?: Object): void;
assertArrayPattern(opts?: Object): void;
assertArrowFunctionExpression(opts?: Object): void;
assertClassBody(opts?: Object): void;
assertClassDeclaration(opts?: Object): void;
assertClassExpression(opts?: Object): void;
assertExportAllDeclaration(opts?: Object): void;
assertExportDefaultDeclaration(opts?: Object): void;
assertExportNamedDeclaration(opts?: Object): void;
assertExportSpecifier(opts?: Object): void;
assertForOfStatement(opts?: Object): void;
assertImportDeclaration(opts?: Object): void;
assertImportDefaultSpecifier(opts?: Object): void;
assertImportNamespaceSpecifier(opts?: Object): void;
assertImportSpecifier(opts?: Object): void;
assertMetaProperty(opts?: Object): void;
assertClassMethod(opts?: Object): void;
assertObjectPattern(opts?: Object): void;
assertSpreadElement(opts?: Object): void;
assertSuper(opts?: Object): void;
assertTaggedTemplateExpression(opts?: Object): void;
assertTemplateElement(opts?: Object): void;
assertTemplateLiteral(opts?: Object): void;
assertYieldExpression(opts?: Object): void;
assertAnyTypeAnnotation(opts?: Object): void;
assertArrayTypeAnnotation(opts?: Object): void;
assertBooleanTypeAnnotation(opts?: Object): void;
assertBooleanLiteralTypeAnnotation(opts?: Object): void;
assertNullLiteralTypeAnnotation(opts?: Object): void;
assertClassImplements(opts?: Object): void;
assertClassProperty(opts?: Object): void;
assertDeclareClass(opts?: Object): void;
assertDeclareFunction(opts?: Object): void;
assertDeclareInterface(opts?: Object): void;
assertDeclareModule(opts?: Object): void;
assertDeclareTypeAlias(opts?: Object): void;
assertDeclareVariable(opts?: Object): void;
assertExistentialTypeParam(opts?: Object): void;
assertFunctionTypeAnnotation(opts?: Object): void;
assertFunctionTypeParam(opts?: Object): void;
assertGenericTypeAnnotation(opts?: Object): void;
assertInterfaceExtends(opts?: Object): void;
assertInterfaceDeclaration(opts?: Object): void;
assertIntersectionTypeAnnotation(opts?: Object): void;
assertMixedTypeAnnotation(opts?: Object): void;
assertNullableTypeAnnotation(opts?: Object): void;
assertNumericLiteralTypeAnnotation(opts?: Object): void;
assertNumberTypeAnnotation(opts?: Object): void;
assertStringLiteralTypeAnnotation(opts?: Object): void;
assertStringTypeAnnotation(opts?: Object): void;
assertThisTypeAnnotation(opts?: Object): void;
assertTupleTypeAnnotation(opts?: Object): void;
assertTypeofTypeAnnotation(opts?: Object): void;
assertTypeAlias(opts?: Object): void;
assertTypeAnnotation(opts?: Object): void;
assertTypeCastExpression(opts?: Object): void;
assertTypeParameterDeclaration(opts?: Object): void;
assertTypeParameterInstantiation(opts?: Object): void;
assertObjectTypeAnnotation(opts?: Object): void;
assertObjectTypeCallProperty(opts?: Object): void;
assertObjectTypeIndexer(opts?: Object): void;
assertObjectTypeProperty(opts?: Object): void;
assertQualifiedTypeIdentifier(opts?: Object): void;
assertUnionTypeAnnotation(opts?: Object): void;
assertVoidTypeAnnotation(opts?: Object): void;
assertJSXAttribute(opts?: Object): void;
assertJSXClosingElement(opts?: Object): void;
assertJSXElement(opts?: Object): void;
assertJSXEmptyExpression(opts?: Object): void;
assertJSXExpressionContainer(opts?: Object): void;
assertJSXIdentifier(opts?: Object): void;
assertJSXMemberExpression(opts?: Object): void;
assertJSXNamespacedName(opts?: Object): void;
assertJSXOpeningElement(opts?: Object): void;
assertJSXSpreadAttribute(opts?: Object): void;
assertJSXText(opts?: Object): void;
assertNoop(opts?: Object): void;
assertParenthesizedExpression(opts?: Object): void;
assertAwaitExpression(opts?: Object): void;
assertBindExpression(opts?: Object): void;
assertDecorator(opts?: Object): void;
assertDoExpression(opts?: Object): void;
assertExportDefaultSpecifier(opts?: Object): void;
assertExportNamespaceSpecifier(opts?: Object): void;
assertRestProperty(opts?: Object): void;
assertSpreadProperty(opts?: Object): void;
assertExpression(opts?: Object): void;
assertBinary(opts?: Object): void;
assertScopable(opts?: Object): void;
assertBlockParent(opts?: Object): void;
assertBlock(opts?: Object): void;
assertStatement(opts?: Object): void;
assertTerminatorless(opts?: Object): void;
assertCompletionStatement(opts?: Object): void;
assertConditional(opts?: Object): void;
assertLoop(opts?: Object): void;
assertWhile(opts?: Object): void;
assertExpressionWrapper(opts?: Object): void;
assertFor(opts?: Object): void;
assertForXStatement(opts?: Object): void;
assertFunction(opts?: Object): void;
assertFunctionParent(opts?: Object): void;
assertPureish(opts?: Object): void;
assertDeclaration(opts?: Object): void;
assertLVal(opts?: Object): void;
assertLiteral(opts?: Object): void;
assertImmutable(opts?: Object): void;
assertUserWhitespacable(opts?: Object): void;
assertMethod(opts?: Object): void;
assertObjectMember(opts?: Object): void;
assertProperty(opts?: Object): void;
assertUnaryLike(opts?: Object): void;
assertPattern(opts?: Object): void;
assertClass(opts?: Object): void;
assertModuleDeclaration(opts?: Object): void;
assertExportDeclaration(opts?: Object): void;
assertModuleSpecifier(opts?: Object): void;
assertFlow(opts?: Object): void;
assertFlowBaseAnnotation(opts?: Object): void;
assertFlowDeclaration(opts?: Object): void;
assertJSX(opts?: Object): void;
assertNumberLiteral(opts?: Object): void;
assertRegexLiteral(opts?: Object): void;
}
export class Hub {
constructor(file: any, options: any);
file: any;
options: any;
}
interface TraversalContext {
parentPath: NodePath<Node>;
scope: Scope;
state: any;
opts: any;
}

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@ -1,24 +0,0 @@
{
"name": "@types/babel-traverse",
"version": "6.7.17",
"description": "TypeScript definitions for babel-traverse",
"license": "MIT",
"contributors": [
{
"name": "Troy Gerwien",
"url": "https://github.com/yortus"
}
],
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {
"@types/babel-types": "*"
},
"peerDependencies": {},
"typesPublisherContentHash": "8e50dc505a31639d76b209314a366d3a228edfdf7828e869f71a7ee13634cf38",
"typeScriptVersion": "2.0"
}

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@ -1,21 +0,0 @@
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
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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@ -1,16 +0,0 @@
# Installation
> `npm install --save @types/babel-types`
# Summary
This package contains type definitions for babel-types (https://github.com/babel/babel/tree/master/packages/babel-types).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/babel-types
Additional Details
* Last updated: Fri, 05 May 2017 01:18:21 GMT
* Dependencies: none
* Global values: none
# Credits
These definitions were written by Troy Gerwien <https://github.com/yortus>, Sam Baxter <https://github.com/baxtersa>.

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@ -1,26 +0,0 @@
{
"name": "@types/babel-types",
"version": "6.7.16",
"description": "TypeScript definitions for babel-types",
"license": "MIT",
"contributors": [
{
"name": "Troy Gerwien",
"url": "https://github.com/yortus"
},
{
"name": "Sam Baxter",
"url": "https://github.com/baxtersa"
}
],
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {},
"peerDependencies": {},
"typesPublisherContentHash": "882d982371195bfece2e446aa4b8d950d30382b15f19a20a9d55360c8e31a134",
"typeScriptVersion": "2.0"
}

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@ -1,21 +0,0 @@
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
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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@ -1,16 +0,0 @@
# Installation
> `npm install --save @types/babylon`
# Summary
This package contains type definitions for babylon (https://github.com/babel/babylon).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/babylon
Additional Details
* Last updated: Thu, 04 May 2017 17:04:37 GMT
* Dependencies: babel-types
* Global values: none
# Credits
These definitions were written by Troy Gerwien <https://github.com/yortus>.

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@ -1,58 +0,0 @@
// Type definitions for babylon v6.16.1
// Project: https://github.com/babel/babylon
// Definitions by: Troy Gerwien <https://github.com/yortus>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
/// <reference types="babel-types" />
import { File, Expression } from 'babel-types';
export function parse(code: string, opts?: BabylonOptions): File;
export function parseExpression(input: string, options?: BabylonOptions): Expression;
export interface BabylonOptions {
/**
* 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.
*/
allowImportExportEverywhere?: boolean;
/**
* By default, a return statement at the top level raises an error. Set this to true to accept such code.
*/
allowReturnOutsideFunction?: boolean;
allowSuperOutsideMethod?: boolean;
/**
* Indicate the mode the code should be parsed in. Can be either "script" or "module".
*/
sourceType?: 'script' | 'module';
/**
* Correlate output AST nodes with their source filename. Useful when
* generating code and source maps from the ASTs of multiple input files.
*/
sourceFilename?: string;
/**
* Array containing the plugins that you want to enable.
*/
plugins?: PluginName[];
}
export type PluginName =
'estree' |
'jsx' |
'flow' |
'classConstructorCall' |
'doExpressions' |
'objectRestSpread' |
'decorators' |
'classProperties' |
'exportExtensions' |
'asyncGenerators' |
'functionBind' |
'functionSent' |
'dynamicImport';

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@ -1,24 +0,0 @@
{
"name": "@types/babylon",
"version": "6.16.1",
"description": "TypeScript definitions for babylon",
"license": "MIT",
"contributors": [
{
"name": "Troy Gerwien",
"url": "https://github.com/yortus"
}
],
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {
"@types/babel-types": "*"
},
"peerDependencies": {},
"typesPublisherContentHash": "c9eef54dabee1a5e4dff8b94821fbf12cfe6ebe2f23f83c9916443841e2eaa56",
"typeScriptVersion": "2.0"
}

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@ -1,21 +0,0 @@
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
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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@ -1,16 +0,0 @@
# Installation
> `npm install --save @types/jest`
# Summary
This package contains type definitions for Jest (http://facebook.github.io/jest/).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/jest
Additional Details
* Last updated: Fri, 16 Jun 2017 16:37:51 GMT
* Dependencies: none
* Global values: afterAll, afterEach, beforeAll, beforeEach, describe, expect, fail, fdescribe, fit, it, jasmine, jest, pending, spyOn, test, xdescribe, xit, xtest
# Credits
These definitions were written by Asana <https://asana.com>, Ivo Stratev <https://github.com/NoHomey>, jwbay <https://github.com/jwbay>, Alexey Svetliakov <https://github.com/asvetliakov>, Alex Jover Morales <https://github.com/alexjoverm>.

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@ -1,465 +0,0 @@
// Type definitions for Jest 20.0.4
// Project: http://facebook.github.io/jest/
// Definitions by: Asana <https://asana.com>, Ivo Stratev <https://github.com/NoHomey>, jwbay <https://github.com/jwbay>, Alexey Svetliakov <https://github.com/asvetliakov>, Alex Jover Morales <https://github.com/alexjoverm>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.1
declare var beforeAll: jest.Lifecycle;
declare var beforeEach: jest.Lifecycle;
declare var afterAll: jest.Lifecycle;
declare var afterEach: jest.Lifecycle;
declare var describe: jest.Describe;
declare var fdescribe: jest.Describe;
declare var xdescribe: jest.Describe;
declare var it: jest.It;
declare var fit: jest.It;
declare var xit: jest.It;
declare var test: jest.It;
declare var xtest: jest.It;
declare const expect: jest.Expect;
interface NodeRequire {
/** Returns the actual module instead of a mock, bypassing all checks on whether the module should receive a mock implementation or not. */
requireActual(moduleName: string): any;
/** Returns a mock module instead of the actual module, bypassing all checks on whether the module should be required normally or not. */
requireMock(moduleName: string): any;
}
declare namespace jest {
/** Provides a way to add Jasmine-compatible matchers into your Jest context. */
function addMatchers(matchers: jasmine.CustomMatcherFactories): typeof jest;
/** Disables automatic mocking in the module loader. */
function autoMockOff(): typeof jest;
/** Enables automatic mocking in the module loader. */
function autoMockOn(): typeof jest;
/**
* @deprecated use resetAllMocks instead
*/
function clearAllMocks(): typeof jest;
/** Clears the mock.calls and mock.instances properties of all mocks. Equivalent to calling .mockClear() on every mocked function. */
function resetAllMocks(): typeof jest;
/** Removes any pending timers from the timer system. If any timers have been scheduled, they will be cleared and will never have the opportunity to execute in the future. */
function clearAllTimers(): typeof jest;
/** Indicates that the module system should never return a mocked version of the specified module, including all of the specificied module's dependencies. */
function deepUnmock(moduleName: string): typeof jest;
/** Disables automatic mocking in the module loader. */
function disableAutomock(): typeof jest;
/** Mocks a module with an auto-mocked version when it is being required. */
function doMock(moduleName: string): typeof jest;
/** Indicates that the module system should never return a mocked version of the specified module from require() (e.g. that it should always return the real module). */
function dontMock(moduleName: string): typeof jest;
/** Enables automatic mocking in the module loader. */
function enableAutomock(): typeof jest;
/** Creates a mock function. Optionally takes a mock implementation. */
function fn<T extends {}>(implementation: (...args: any[]) => T): Mock<T>;
function fn<T>(implementation?: Function): Mock<T>;
/** Use the automatic mocking system to generate a mocked version of the given module. */
function genMockFromModule<T>(moduleName: string): T;
/** Returns whether the given function is a mock function. */
function isMockFunction(fn: any): fn is Mock<any>;
/** Mocks a module with an auto-mocked version when it is being required. */
function mock(moduleName: string, factory?: any, options?: MockOptions): typeof jest;
/** Resets the module registry - the cache of all required modules. This is useful to isolate modules where local state might conflict between tests. */
function resetModuleRegistry(): typeof jest;
/** Resets the module registry - the cache of all required modules. This is useful to isolate modules where local state might conflict between tests. */
function resetModules(): typeof jest;
/** Exhausts tasks queued by setImmediate(). */
function runAllImmediates(): typeof jest;
/** Exhausts the micro-task queue (usually interfaced in node via process.nextTick). */
function runAllTicks(): typeof jest;
/** Exhausts the macro-task queue (i.e., all tasks queued by setTimeout() and setInterval()). */
function runAllTimers(): typeof jest;
/** Executes only the macro-tasks that are currently pending (i.e., only the tasks that have been queued by setTimeout() or setInterval() up to this point).
* If any of the currently pending macro-tasks schedule new macro-tasks, those new tasks will not be executed by this call. */
function runOnlyPendingTimers(): typeof jest;
/** Executes only the macro task queue (i.e. all tasks queued by setTimeout() or setInterval() and setImmediate()). */
function runTimersToTime(msToRun: number): typeof jest;
/** Explicitly supplies the mock object that the module system should return for the specified module. */
function setMock<T>(moduleName: string, moduleExports: T): typeof jest;
/** Creates a mock function similar to jest.fn but also tracks calls to object[methodName] */
function spyOn<T extends {}, M extends keyof T>(object: T, method: M): SpyInstance<T[M]>;
/** Indicates that the module system should never return a mocked version of the specified module from require() (e.g. that it should always return the real module). */
function unmock(moduleName: string): typeof jest;
/** Instructs Jest to use fake versions of the standard timer functions. */
function useFakeTimers(): typeof jest;
/** Instructs Jest to use the real versions of the standard timer functions. */
function useRealTimers(): typeof jest;
interface MockOptions {
virtual?: boolean;
}
interface EmptyFunction {
(): void;
}
interface DoneCallback {
(...args: any[]): any
fail(error?: string | { message: string }): any;
}
interface ProvidesCallback {
(cb: DoneCallback): any;
}
interface Lifecycle {
(fn: ProvidesCallback): any;
}
/** Creates a test closure */
interface It {
/**
* Creates a test closure.
*
* @param {string} name The name of your test
* @param {fn?} ProvidesCallback The function for your test
*/
(name: string, fn?: ProvidesCallback): void;
/** Only runs this test in the current file. */
only: It;
skip: It;
concurrent: It;
}
interface Describe {
(name: string, fn: EmptyFunction): void
only: Describe;
skip: Describe;
}
interface MatcherUtils {
readonly isNot: boolean;
utils: {
readonly EXPECTED_COLOR: string;
readonly RECEIVED_COLOR: string;
ensureActualIsNumber(actual: any, matcherName?: string): void;
ensureExpectedIsNumber(actual: any, matcherName?: string): void;
ensureNoExpected(actual: any, matcherName?: string): void;
ensureNumbers(actual: any, expected: any, matcherName?: string): void;
/** get the type of a value with handling of edge cases like `typeof []` and `typeof null` */
getType(value: any): string;
matcherHint(matcherName: string, received?: string, expected?: string, options?: { secondArgument?: string, isDirectExpectCall?: boolean }): string;
pluralize(word: string, count: number): string;
printExpected(value: any): string;
printReceived(value: any): string;
printWithType(name: string, received: any, print: (value: any) => string): string;
stringify(object: {}, maxDepth?: number): string;
}
}
interface ExpectExtendMap {
[key: string]: (this: MatcherUtils, received: any, actual: any) => { message: () => string, pass: boolean };
}
interface SnapshotSerializerOptions {
callToJSON?: boolean;
edgeSpacing?: string;
spacing?: string;
escapeRegex?: boolean;
highlight?: boolean;
indent?: number;
maxDepth?: number;
min?: boolean;
plugins?: Array<SnapshotSerializerPlugin>
printFunctionName?: boolean;
theme?: SnapshotSerializerOptionsTheme;
// see https://github.com/facebook/jest/blob/e56103cf142d2e87542ddfb6bd892bcee262c0e6/types/PrettyFormat.js
}
interface SnapshotSerializerOptionsTheme {
comment?: string;
content?: string;
prop?: string;
tag?: string;
value?: string;
}
interface SnapshotSerializerColor {
close: string;
open: string;
}
interface SnapshotSerializerColors {
comment: SnapshotSerializerColor;
content: SnapshotSerializerColor;
prop: SnapshotSerializerColor;
tag: SnapshotSerializerColor;
value: SnapshotSerializerColor;
}
interface SnapshotSerializerPlugin {
print(val:any, serialize:((val:any) => string), indent:((str:string) => string), opts:SnapshotSerializerOptions, colors: SnapshotSerializerColors) : string;
test(val:any) : boolean;
}
/** The `expect` function is used every time you want to test a value. You will rarely call `expect` by itself. */
interface Expect {
/**
* The `expect` function is used every time you want to test a value. You will rarely call `expect` by itself.
*
* @param {any} actual The value to apply matchers against.
*/
(actual: any): Matchers<void>;
anything(): any;
/** Matches anything that was created with the given constructor. You can use it inside `toEqual` or `toBeCalledWith` instead of a literal value. */
any(classType: any): any;
/** Matches any array made up entirely of elements in the provided array. You can use it inside `toEqual` or `toBeCalledWith` instead of a literal value. */
arrayContaining(arr: any[]): any;
/** Verifies that a certain number of assertions are called during a test. This is often useful when testing asynchronous code, in order to make sure that assertions in a callback actually got called. */
assertions(num: number): void;
/** Verifies that at least one assertion is called during a test. This is often useful when testing asynchronous code, in order to make sure that assertions in a callback actually got called. */
hasAssertions(): void;
/** You can use `expect.extend` to add your own matchers to Jest. */
extend(obj: ExpectExtendMap): void;
/** Adds a module to format application-specific data structures for serialization. */
addSnapshotSerializer(serializer: SnapshotSerializerPlugin) : void;
/** Matches any object that recursively matches the provided keys. This is often handy in conjunction with other asymmetric matchers. */
objectContaining(obj: {}): any;
/** Matches any string that contains the exact provided string */
stringMatching(str: string | RegExp): any;
}
interface Matchers<R> {
/** If you know how to test something, `.not` lets you test its opposite. */
not: Matchers<R>;
/** Use resolves to unwrap the value of a fulfilled promise so any other matcher can be chained. If the promise is rejected the assertion fails. */
resolves: Matchers<Promise<R>>;
/** Unwraps the reason of a rejected promise so any other matcher can be chained. If the promise is fulfilled the assertion fails. */
rejects: Matchers<Promise<R>>;
lastCalledWith(...args: any[]): R;
/** Checks that a value is what you expect. It uses `===` to check strict equality. Don't use `toBe` with floating-point numbers. */
toBe(expected: any): R;
/** Ensures that a mock function is called. */
toBeCalled(): R;
/** Ensure that a mock function is called with specific arguments. */
toBeCalledWith(...args: any[]): R;
/** Using exact equality with floating point numbers is a bad idea. Rounding means that intuitive things fail. */
toBeCloseTo(expected: number, delta?: number): R;
/** Ensure that a variable is not undefined. */
toBeDefined(): R;
/** When you don't care what a value is, you just want to ensure a value is false in a boolean context. */
toBeFalsy(): R;
/** For comparing floating point numbers. */
toBeGreaterThan(expected: number): R;
/** For comparing floating point numbers. */
toBeGreaterThanOrEqual(expected: number): R;
/** Ensure that an object is an instance of a class. This matcher uses `instanceof` underneath. */
toBeInstanceOf(expected: any): R
/** For comparing floating point numbers. */
toBeLessThan(expected: number): R;
/** For comparing floating point numbers. */
toBeLessThanOrEqual(expected: number): R;
/** This is the same as `.toBe(null)` but the error messages are a bit nicer. So use `.toBeNull()` when you want to check that something is null. */
toBeNull(): R;
/** Use when you don't care what a value is, you just want to ensure a value is true in a boolean context. In JavaScript, there are six falsy values: `false`, `0`, `''`, `null`, `undefined`, and `NaN`. Everything else is truthy. */
toBeTruthy(): R;
/** Used to check that a variable is undefined. */
toBeUndefined(): R;
/** Used when you want to check that an item is in a list. For testing the items in the list, this uses `===`, a strict equality check. */
toContain(expected: any): R;
/** Used when you want to check that an item is in a list. For testing the items in the list, this matcher recursively checks the equality of all fields, rather than checking for object identity. */
toContainEqual(expected: any): R;
/** Used when you want to check that two objects have the same value. This matcher recursively checks the equality of all fields, rather than checking for object identity. */
toEqual(expected: any): R;
/** Ensures that a mock function is called. */
toHaveBeenCalled(): R;
/** Ensures that a mock function is called an exact number of times. */
toHaveBeenCalledTimes(expected: number): R;
/** Ensure that a mock function is called with specific arguments. */
toHaveBeenCalledWith(...params: any[]): R;
/** If you have a mock function, you can use `.toHaveBeenLastCalledWith` to test what arguments it was last called with. */
toHaveBeenLastCalledWith(...params: any[]): R;
/** Used to check that an object has a `.length` property and it is set to a certain numeric value. */
toHaveLength(expected: number): R;
toHaveProperty(propertyPath: string, value?: any): R;
/** Check that a string matches a regular expression. */
toMatch(expected: string | RegExp): R;
/** Used to check that a JavaScript object matches a subset of the properties of an objec */
toMatchObject(expected: {}): R;
/** This ensures that a value matches the most recent snapshot. Check out [the Snapshot Testing guide](http://facebook.github.io/jest/docs/snapshot-testing.html) for more information. */
toMatchSnapshot(snapshotName?: string): R;
/** Used to test that a function throws when it is called. */
toThrow(error?: string | Constructable | RegExp): R;
/** If you want to test that a specific error is thrown inside a function. */
toThrowError(error?: string | Constructable | RegExp): R;
/** Used to test that a function throws a error matching the most recent snapshot when it is called. */
toThrowErrorMatchingSnapshot(): R;
}
interface Constructable {
new (...args: any[]): any
}
interface Mock<T> extends Function, MockInstance<T> {
new (): T;
(...args: any[]): any;
}
interface SpyInstance<T> extends MockInstance<T> {
mockRestore(): void;
}
/**
* Wrap module with mock definitions
* @example
* jest.mock("../api");
* import { Api } from "../api";
*
* const myApi: jest.Mocked<Api> = new Api() as any;
* myApi.myApiMethod.mockImplementation(() => "test");
*/
type Mocked<T> = {
[P in keyof T]: T[P] & MockInstance<T[P]>;
} & T;
interface MockInstance<T> {
mock: MockContext<T>;
mockClear(): void;
mockReset(): void;
mockImplementation(fn: Function): Mock<T>;
mockImplementationOnce(fn: Function): Mock<T>;
mockReturnThis(): Mock<T>;
mockReturnValue(value: any): Mock<T>;
mockReturnValueOnce(value: any): Mock<T>;
}
interface MockContext<T> {
calls: any[][];
instances: T[];
}
}
//Jest ships with a copy of Jasmine. They monkey-patch its APIs and divergence/deprecation are expected.
//Relevant parts of Jasmine's API are below so they can be changed and removed over time.
//This file can't reference jasmine.d.ts since the globals aren't compatible.
declare function spyOn(object: any, method: string): jasmine.Spy;
/** If you call the function pending anywhere in the spec body, no matter the expectations, the spec will be marked pending. */
declare function pending(reason?: string): void;
/** Fails a test when called within one. */
declare function fail(error?: any): void;
declare namespace jasmine {
var DEFAULT_TIMEOUT_INTERVAL: number;
var clock: () => Clock;
function any(aclass: any): Any;
function anything(): Any;
function arrayContaining(sample: any[]): ArrayContaining;
function objectContaining(sample: any): ObjectContaining;
function createSpy(name: string, originalFn?: Function): Spy;
function createSpyObj(baseName: string, methodNames: any[]): any;
function createSpyObj<T>(baseName: string, methodNames: any[]): T;
function pp(value: any): string;
function addCustomEqualityTester(equalityTester: CustomEqualityTester): void;
function addMatchers(matchers: CustomMatcherFactories): void;
function stringMatching(value: string | RegExp): Any;
interface Clock {
install(): void;
uninstall(): void;
/** Calls to any registered callback are triggered when the clock is ticked forward via the jasmine.clock().tick function, which takes a number of milliseconds. */
tick(ms: number): void;
mockDate(date?: Date): void;
}
interface Any {
new (expectedClass: any): any;
jasmineMatches(other: any): boolean;
jasmineToString(): string;
}
interface ArrayContaining {
new (sample: any[]): any;
asymmetricMatch(other: any): boolean;
jasmineToString(): string;
}
interface ObjectContaining {
new (sample: any): any;
jasmineMatches(other: any, mismatchKeys: any[], mismatchValues: any[]): boolean;
jasmineToString(): string;
}
interface Spy {
(...params: any[]): any;
identity: string;
and: SpyAnd;
calls: Calls;
mostRecentCall: { args: any[]; };
argsForCall: any[];
wasCalled: boolean;
}
interface SpyAnd {
/** By chaining the spy with and.callThrough, the spy will still track all calls to it but in addition it will delegate to the actual implementation. */
callThrough(): Spy;
/** By chaining the spy with and.returnValue, all calls to the function will return a specific value. */
returnValue(val: any): Spy;
/** By chaining the spy with and.returnValues, all calls to the function will return specific values in order until it reaches the end of the return values list. */
returnValues(...values: any[]): Spy;
/** By chaining the spy with and.callFake, all calls to the spy will delegate to the supplied function. */
callFake(fn: Function): Spy;
/** By chaining the spy with and.throwError, all calls to the spy will throw the specified value. */
throwError(msg: string): Spy;
/** When a calling strategy is used for a spy, the original stubbing behavior can be returned at any time with and.stub. */
stub(): Spy;
}
interface Calls {
/** By chaining the spy with calls.any(), will return false if the spy has not been called at all, and then true once at least one call happens. */
any(): boolean;
/** By chaining the spy with calls.count(), will return the number of times the spy was called */
count(): number;
/** By chaining the spy with calls.argsFor(), will return the arguments passed to call number index */
argsFor(index: number): any[];
/** By chaining the spy with calls.allArgs(), will return the arguments to all calls */
allArgs(): any[];
/** By chaining the spy with calls.all(), will return the context (the this) and arguments passed all calls */
all(): CallInfo[];
/** By chaining the spy with calls.mostRecent(), will return the context (the this) and arguments for the most recent call */
mostRecent(): CallInfo;
/** By chaining the spy with calls.first(), will return the context (the this) and arguments for the first call */
first(): CallInfo;
/** By chaining the spy with calls.reset(), will clears all tracking for a spy */
reset(): void;
}
interface CallInfo {
/** The context (the this) for the call */
object: any;
/** All arguments passed to the call */
args: any[];
/** The return value of the call */
returnValue: any;
}
interface CustomMatcherFactories {
[index: string]: CustomMatcherFactory;
}
interface CustomMatcherFactory {
(util: MatchersUtil, customEqualityTesters: Array<CustomEqualityTester>): CustomMatcher;
}
interface MatchersUtil {
equals(a: any, b: any, customTesters?: Array<CustomEqualityTester>): boolean;
contains<T>(haystack: ArrayLike<T> | string, needle: any, customTesters?: Array<CustomEqualityTester>): boolean;
buildFailureMessage(matcherName: string, isNot: boolean, actual: any, ...expected: Array<any>): string;
}
interface CustomEqualityTester {
(first: any, second: any): boolean;
}
interface CustomMatcher {
compare<T>(actual: T, expected: T): CustomMatcherResult;
compare(actual: any, expected: any): CustomMatcherResult;
}
interface CustomMatcherResult {
pass: boolean;
message: string | (() => string);
}
interface ArrayLike<T> {
length: number;
[n: number]: T;
}
}

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@ -1,38 +0,0 @@
{
"name": "@types/jest",
"version": "20.0.0",
"description": "TypeScript definitions for Jest",
"license": "MIT",
"contributors": [
{
"name": "Asana",
"url": "https://asana.com"
},
{
"name": "Ivo Stratev",
"url": "https://github.com/NoHomey"
},
{
"name": "jwbay",
"url": "https://github.com/jwbay"
},
{
"name": "Alexey Svetliakov",
"url": "https://github.com/asvetliakov"
},
{
"name": "Alex Jover Morales",
"url": "https://github.com/alexjoverm"
}
],
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {},
"peerDependencies": {},
"typesPublisherContentHash": "45747aefd247da23247f4ec4c71ff2c95df07f0eb19118649b26ffab9982b7fa",
"typeScriptVersion": "2.1"
}

View file

@ -1,21 +0,0 @@
MIT License
Copyright (c) Microsoft Corporation. All rights reserved.
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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@ -1,16 +0,0 @@
# Installation
> `npm install --save @types/node`
# Summary
This package contains type definitions for Node.js (http://nodejs.org/).
# Details
Files were exported from https://www.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node
Additional Details
* Last updated: Mon, 12 Jun 2017 23:39:16 GMT
* Dependencies: events, net, stream, child_process, tls, http, readline, crypto
* Global values: Buffer, NodeJS, SlowBuffer, Symbol, ___dirname, ___filename, clearImmediate, clearInterval, clearTimeout, console, exports, global, module, process, require, setImmediate, setInterval, setTimeout
# Credits
These definitions were written by Microsoft TypeScript <http://typescriptlang.org>, DefinitelyTyped <https://github.com/DefinitelyTyped/DefinitelyTyped>, Parambir Singh <https://github.com/parambirs>, Roberto Desideri <https://github.com/RobDesideri>, Christian Vaagland Tellnes <https://github.com/tellnes>, Wilco Bakker <https://github.com/WilcoBakker>.

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@ -1,42 +0,0 @@
{
"name": "@types/node",
"version": "7.0.31",
"description": "TypeScript definitions for Node.js",
"license": "MIT",
"contributors": [
{
"name": "Microsoft TypeScript",
"url": "http://typescriptlang.org"
},
{
"name": "DefinitelyTyped",
"url": "https://github.com/DefinitelyTyped/DefinitelyTyped"
},
{
"name": "Parambir Singh",
"url": "https://github.com/parambirs"
},
{
"name": "Roberto Desideri",
"url": "https://github.com/RobDesideri"
},
{
"name": "Christian Vaagland Tellnes",
"url": "https://github.com/tellnes"
},
{
"name": "Wilco Bakker",
"url": "https://github.com/WilcoBakker"
}
],
"main": "",
"repository": {
"type": "git",
"url": "https://www.github.com/DefinitelyTyped/DefinitelyTyped.git"
},
"scripts": {},
"dependencies": {},
"peerDependencies": {},
"typesPublisherContentHash": "4d70ea38d4da20cc1c392e5f553831164404a78cb03e3457f64fa617fbec3aeb",
"typeScriptVersion": "2.2"
}

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@ -1,11 +0,0 @@
## 1.0.3
- Replaced `let` with `var` in `lib/btoa.js`
- Follow up from `1.0.2`
- Resolves https://github.com/jsdom/abab/issues/18
## 1.0.2
- Replaced `const` with `var` in `index.js`
- Allows use of `abab` in the browser without a transpilation step
- Resolves https://github.com/jsdom/abab/issues/15

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@ -1,52 +0,0 @@
# abab
[![npm version](https://badge.fury.io/js/abab.svg)](https://www.npmjs.com/package/abab) [![Build Status](https://travis-ci.org/jsdom/abab.svg?branch=master)](https://travis-ci.org/jsdom/abab)
A module that implements `window.atob` and `window.btoa` according to the [WHATWG spec](https://html.spec.whatwg.org/multipage/webappapis.html#atob). The code is originally from [w3c/web-platform-tests](https://github.com/w3c/web-platform-tests/blob/master/html/webappapis/atob/base64.html).
Compatibility: Node.js version 3+ and all major browsers (using browserify or webpack)
Install with `npm`:
```sh
npm install abab
```
## API
### `btoa` (base64 encode)
```js
const btoa = require('abab').btoa;
btoa('Hello, world!'); // 'SGVsbG8sIHdvcmxkIQ=='
```
### `atob` (base64 decode)
```js
const atob = require('abab').atob;
atob('SGVsbG8sIHdvcmxkIQ=='); // 'Hello, world!'
```
#### Valid characters
[Per the spec](https://html.spec.whatwg.org/multipage/webappapis.html#atob:dom-windowbase64-btoa-3), `btoa` will accept strings "containing only characters in the range `U+0000` to `U+00FF`." If passed a string with characters above `U+00FF`, `btoa` will return `null`. If `atob` is passed a string that is not base64-valid, it will also return `null`. In both cases when `null` is returned, the spec calls for throwing a `DOMException` of type `InvalidCharacterError`.
## Browsers
If you want to include just one of the methods to save bytes in your client-side code, you can `require` the desired module directly.
```js
var atob = require('abab/lib/atob');
var btoa = require('abab/lib/btoa');
```
-----
### Checklists
If you're **submitting a PR** or **deploying to npm**, please use the [checklists in CONTRIBUTING.md](https://github.com/jsdom/abab/blob/master/CONTRIBUTING.md#checklists)
### Remembering `atob` vs. `btoa`
Here's a mnemonic that might be useful: if you have a plain string and want to base64 encode it, then decode it, `btoa` is what you run before (**b**efore - **b**toa), and `atob` is what you run after (**a**fter - **a**tob).

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@ -1,9 +0,0 @@
'use strict';
var atob = require('./lib/atob');
var btoa = require('./lib/btoa');
module.exports = {
atob: atob,
btoa: btoa
};

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{
"name": "abab",
"version": "1.0.3",
"description": "WHATWG spec-compliant implementations of window.atob and window.btoa.",
"main": "index.js",
"files": [
"index.js",
"lib/"
],
"scripts": {
"mocha": "mocha test/node",
"karma": "karma start",
"test": "npm run lint && npm run mocha && npm run karma",
"lint": "jscs . && eslint ."
},
"repository": {
"type": "git",
"url": "git+https://github.com/jsdom/abab.git"
},
"keywords": [
"atob",
"btoa",
"browser"
],
"author": "Jeff Carpenter <gcarpenterv@gmail.com>",
"license": "ISC",
"bugs": {
"url": "https://github.com/jsdom/abab/issues"
},
"homepage": "https://github.com/jsdom/abab#readme",
"devDependencies": {
"babel-core": "^6.1.4",
"babel-loader": "^6.1.0",
"babel-preset-es2015": "^6.1.4",
"eslint": "^1.3.1",
"jscs": "^2.1.1",
"karma": "^0.13.10",
"karma-cli": "^0.1.1",
"karma-firefox-launcher": "^0.1.6",
"karma-mocha": "^0.2.0",
"karma-sauce-launcher": "^0.2.14",
"karma-webpack": "^1.7.0",
"mocha": "^2.2.5",
"webpack": "^1.12.2"
}
}

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@ -1,19 +0,0 @@
Copyright (c) 2014 Forbes Lindesay
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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@ -1,76 +0,0 @@
# acorn-globals
Detect global variables in JavaScript using acorn
[![Build Status](https://img.shields.io/travis/ForbesLindesay/acorn-globals/master.svg)](https://travis-ci.org/ForbesLindesay/acorn-globals)
[![Dependency Status](https://img.shields.io/david/ForbesLindesay/acorn-globals.svg)](https://david-dm.org/ForbesLindesay/acorn-globals)
[![NPM version](https://img.shields.io/npm/v/acorn-globals.svg)](https://www.npmjs.org/package/acorn-globals)
## Installation
npm install acorn-globals
## Usage
detect.js
```js
var fs = require('fs');
var detect = require('acorn-globals');
var src = fs.readFileSync(__dirname + '/input.js', 'utf8');
var scope = detect(src);
console.dir(scope);
```
input.js
```js
var x = 5;
var y = 3, z = 2;
w.foo();
w = 2;
RAWR=444;
RAWR.foo();
BLARG=3;
foo(function () {
var BAR = 3;
process.nextTick(function (ZZZZZZZZZZZZ) {
console.log('beep boop');
var xyz = 4;
x += 10;
x.zzzzzz;
ZZZ=6;
});
function doom () {
}
ZZZ.foo();
});
console.log(xyz);
```
output:
```
$ node example/detect.js
[ { name: 'BLARG', nodes: [ [Object] ] },
{ name: 'RAWR', nodes: [ [Object], [Object] ] },
{ name: 'ZZZ', nodes: [ [Object], [Object] ] },
{ name: 'console', nodes: [ [Object], [Object] ] },
{ name: 'foo', nodes: [ [Object] ] },
{ name: 'process', nodes: [ [Object] ] },
{ name: 'w', nodes: [ [Object], [Object] ] },
{ name: 'xyz', nodes: [ [Object] ] } ]
```
## License
MIT

View file

@ -1,163 +0,0 @@
'use strict';
var acorn = require('acorn');
var walk = require('acorn/dist/walk');
function isScope(node) {
return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration' || node.type === 'ArrowFunctionExpression' || node.type === 'Program';
}
function isBlockScope(node) {
return node.type === 'BlockStatement' || isScope(node);
}
function declaresArguments(node) {
return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration';
}
function declaresThis(node) {
return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration';
}
function reallyParse(source) {
return acorn.parse(source, {
allowReturnOutsideFunction: true,
allowImportExportEverywhere: true,
allowHashBang: true
});
}
module.exports = findGlobals;
module.exports.parse = reallyParse;
function findGlobals(source) {
var globals = [];
var ast;
// istanbul ignore else
if (typeof source === 'string') {
ast = reallyParse(source);
} else {
ast = source;
}
// istanbul ignore if
if (!(ast && typeof ast === 'object' && ast.type === 'Program')) {
throw new TypeError('Source must be either a string of JavaScript or an acorn AST');
}
var declareFunction = function (node) {
var fn = node;
fn.locals = fn.locals || {};
node.params.forEach(function (node) {
declarePattern(node, fn);
});
if (node.id) {
fn.locals[node.id.name] = true;
}
}
var declarePattern = function (node, parent) {
switch (node.type) {
case 'Identifier':
parent.locals[node.name] = true;
break;
case 'ObjectPattern':
node.properties.forEach(function (node) {
declarePattern(node.value, parent);
});
break;
case 'ArrayPattern':
node.elements.forEach(function (node) {
if (node) declarePattern(node, parent);
});
break;
case 'RestElement':
declarePattern(node.argument, parent);
break;
case 'AssignmentPattern':
declarePattern(node.left, parent);
break;
// istanbul ignore next
default:
throw new Error('Unrecognized pattern type: ' + node.type);
}
}
var declareModuleSpecifier = function (node, parents) {
ast.locals = ast.locals || {};
ast.locals[node.local.name] = true;
}
walk.ancestor(ast, {
'VariableDeclaration': function (node, parents) {
var parent = null;
for (var i = parents.length - 1; i >= 0 && parent === null; i--) {
if (node.kind === 'var' ? isScope(parents[i]) : isBlockScope(parents[i])) {
parent = parents[i];
}
}
parent.locals = parent.locals || {};
node.declarations.forEach(function (declaration) {
declarePattern(declaration.id, parent);
});
},
'FunctionDeclaration': function (node, parents) {
var parent = null;
for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
if (isScope(parents[i])) {
parent = parents[i];
}
}
parent.locals = parent.locals || {};
parent.locals[node.id.name] = true;
declareFunction(node);
},
'Function': declareFunction,
'ClassDeclaration': function (node, parents) {
var parent = null;
for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
if (isScope(parents[i])) {
parent = parents[i];
}
}
parent.locals = parent.locals || {};
parent.locals[node.id.name] = true;
},
'TryStatement': function (node) {
if (node.handler === null) return;
node.handler.locals = node.handler.locals || {};
node.handler.locals[node.handler.param.name] = true;
},
'ImportDefaultSpecifier': declareModuleSpecifier,
'ImportSpecifier': declareModuleSpecifier,
'ImportNamespaceSpecifier': declareModuleSpecifier
});
function identifier(node, parents) {
var name = node.name;
if (name === 'undefined') return;
for (var i = 0; i < parents.length; i++) {
if (name === 'arguments' && declaresArguments(parents[i])) {
return;
}
if (parents[i].locals && name in parents[i].locals) {
return;
}
}
node.parents = parents;
globals.push(node);
}
walk.ancestor(ast, {
'VariablePattern': identifier,
'Identifier': identifier,
'ThisExpression': function (node, parents) {
for (var i = 0; i < parents.length; i++) {
if (declaresThis(parents[i])) {
return;
}
}
node.parents = parents;
globals.push(node);
}
});
var groupedGlobals = {};
globals.forEach(function (node) {
var name = node.type === 'ThisExpression' ? 'this' : node.name;
groupedGlobals[name] = (groupedGlobals[name] || []);
groupedGlobals[name].push(node);
});
return Object.keys(groupedGlobals).sort().map(function (name) {
return {name: name, nodes: groupedGlobals[name]};
});
}

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@ -1 +0,0 @@
../../../acorn/bin/acorn

View file

@ -1,34 +0,0 @@
{
"name": "acorn-globals",
"version": "3.1.0",
"description": "Detect global variables in JavaScript using acorn",
"keywords": [
"ast",
"variable",
"name",
"lexical",
"scope",
"local",
"global",
"implicit"
],
"files": [
"index.js",
"LICENSE"
],
"dependencies": {
"acorn": "^4.0.4"
},
"devDependencies": {
"testit": "^2.0.2"
},
"scripts": {
"test": "node test"
},
"repository": {
"type": "git",
"url": "https://github.com/ForbesLindesay/acorn-globals.git"
},
"author": "ForbesLindesay",
"license": "MIT"
}

View file

@ -1,10 +0,0 @@
/.tern-port
/test
/local
/rollup
/bin/generate-identifier-regex.js
/bin/update_authors.sh
.editorconfig
.gitattributes
.tern-project
.travis.yml

View file

@ -1,62 +0,0 @@
List of Acorn contributors. Updated before every release.
Adrian Rakovsky
Alistair Braidwood
Amila Welihinda
Andres Suarez
Angelo
Aparajita Fishman
Arian Stolwijk
Artem Govorov
Brandon Mills
Charles Hughes
Conrad Irwin
Daniel Tschinder
David Bonnet
Domenico Matteo
Forbes Lindesay
Gilad Peleg
impinball
Ingvar Stepanyan
Jackson Ray Hamilton
Jesse McCarthy
Jiaxing Wang
Joel Kemp
Johannes Herr
Jordan Klassen
Jürg Lehni
Kai Cataldo
keeyipchan
Keheliya Gallaba
Kevin Irish
Kevin Kwok
krator
Marijn Haverbeke
Martin Carlberg
Mat Garcia
Mathias Bynens
Mathieu 'p01' Henri
Matthew Bastien
Max Schaefer
Max Zerzouri
Mihai Bazon
Mike Rennie
naoh
Nicholas C. Zakas
Nick Fitzgerald
Olivier Thomann
Oskar Schöldström
Paul Harper
Peter Rust
PlNG
Prayag Verma
ReadmeCritic
r-e-d
Richard Gibson
Rich Harris
Sebastian McKenzie
Simen Bekkhus
Timothy Gu
Toru Nagashima
Wexpo Lyu
zsjforcn

View file

@ -1,286 +0,0 @@
## 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.

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@ -1,19 +0,0 @@
Copyright (C) 2012-2016 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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@ -1,409 +0,0 @@
# Acorn
[![Build Status](https://travis-ci.org/ternjs/acorn.svg?branch=master)](https://travis-ci.org/ternjs/acorn)
[![NPM version](https://img.shields.io/npm/v/acorn.svg)](https://www.npmjs.com/package/acorn)
[![CDNJS](https://img.shields.io/cdnjs/v/acorn.svg)](https://cdnjs.com/libraries/acorn)
[Author funding status: ![maintainer happiness](https://marijnhaverbeke.nl/fund/status_s.png?force)](https://marijnhaverbeke.nl/fund/)
A tiny, fast JavaScript parser, written completely in JavaScript.
## Community
Acorn is open source software released under an
[MIT license](https://github.com/ternjs/acorn/blob/master/LICENSE).
You are welcome to
[report bugs](https://github.com/ternjs/acorn/issues) or create pull
requests on [github](https://github.com/ternjs/acorn). For questions
and discussion, please use the
[Tern discussion forum](https://discuss.ternjs.net).
## Installation
The easiest way to install acorn is with [`npm`][npm].
[npm]: https://www.npmjs.com/
```sh
npm install acorn
```
Alternately, download the source.
```sh
git clone https://github.com/ternjs/acorn.git
```
## Components
When run in a CommonJS (node.js) or AMD environment, exported values
appear in the interfaces exposed by the individual files, as usual.
When loaded in the browser (Acorn works in any JS-enabled browser more
recent than IE5) without any kind of module management, a single
global object `acorn` will be defined, and all the exported properties
will be added to that.
### Main parser
This is implemented in `dist/acorn.js`, and is what you get when you
`require("acorn")` in node.js.
**parse**`(input, options)` is used to parse a JavaScript program.
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][estree].
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 character offset at which the
error occurred, and a `loc` object that contains a `{line, column}`
object referring to that same position.
[estree]: https://github.com/estree/estree
- **ecmaVersion**: Indicates the ECMAScript version to parse. Must be
either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support for strict
mode, the set of reserved words, and support for new syntax features.
Default is 7.
**NOTE**: Only 'stage 4' (finalized) ECMAScript features are being
implemented by Acorn.
- **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.
- **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.
- **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][range] `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.
[range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
**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.
**getLineInfo**`(input, offset)` can be used to get a `{line,
column}` object for a given program string and character offset.
**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.
#### Note on using with [Escodegen][escodegen]
Escodegen supports generating comments from AST, attached in
Esprima-specific format. In order to simulate same format in
Acorn, consider following example:
```javascript
var comments = [], tokens = [];
var ast = acorn.parse('var x = 42; // answer', {
// collect ranges for each node
ranges: true,
// collect comments in Esprima's format
onComment: comments,
// collect token ranges
onToken: tokens
});
// attach comments using collected information
escodegen.attachComments(ast, comments, tokens);
// generate code
console.log(escodegen.generate(ast, {comment: true}));
// > 'var x = 42; // answer'
```
[escodegen]: https://github.com/estools/escodegen
### dist/acorn_loose.js ###
This file implements an error-tolerant parser. It exposes a single
function. The loose parser is accessible in node.js via `require("acorn/dist/acorn_loose")`.
**parse_dammit**`(input, options)` takes the same arguments and
returns the same syntax tree as the `parse` function in `acorn.js`,
but never raises an error, and will do its best to parse syntactically
invalid code in as meaningful a way as it can. It'll insert identifier
nodes with name `"✖"` as placeholders in places where it can't make
sense of the input. Depends on `acorn.js`, because it uses the same
tokenizer.
### dist/walk.js ###
Implements an abstract syntax tree walker. Will store its interface in
`acorn.walk` when loaded without a module system.
**simple**`(node, visitors, base, state)` does a 'simple' walk over
a tree. `node` should be the AST node to walk, and `visitors` an
object with properties whose names correspond to node types in the
[ESTree spec][estree]. The properties should contain functions
that will be called with the node object and, if applicable the state
at that point. The last two arguments are optional. `base` is a walker
algorithm, and `state` is a start state. The default walker will
simply visit all statements and expressions and not produce a
meaningful state. (An example of a use of state is to track scope at
each point in the tree.)
**ancestor**`(node, visitors, base, state)` does a 'simple' walk over
a tree, building up an array of ancestor nodes (including the current node)
and passing the array to the callbacks as a third parameter.
**recursive**`(node, state, functions, base)` does a 'recursive'
walk, where the walker functions are responsible for continuing the
walk on the child nodes of their target node. `state` is the start
state, and `functions` should contain an object that maps node types
to walker functions. Such functions are called with `(node, state, c)`
arguments, and can cause the walk to continue on a sub-node by calling
the `c` argument on it with `(node, state)` arguments. The optional
`base` argument provides the fallback walker functions for node types
that aren't handled in the `functions` object. If not given, the
default walkers will be used.
**make**`(functions, base)` builds a new walker object by using the
walker functions in `functions` and filling in the missing ones by
taking defaults from `base`.
**findNodeAt**`(node, start, end, test, base, state)` tries to
locate a node in a tree at the given start and/or end offsets, which
satisfies the predicate `test`. `start` and `end` can be either `null`
(as wildcard) or a number. `test` may be a string (indicating a node
type) or a function that takes `(nodeType, node)` arguments and
returns a boolean indicating whether this node is interesting. `base`
and `state` are optional, and can be used to specify a custom walker.
Nodes are tested from inner to outer, so if two nodes match the
boundaries, the inner one will be preferred.
**findNodeAround**`(node, pos, test, base, state)` is a lot like
`findNodeAt`, but will match any node that exists 'around' (spanning)
the given position.
**findNodeAfter**`(node, pos, test, base, state)` is similar to
`findNodeAround`, but will match all nodes *after* the given position
(testing outer nodes before inner nodes).
## 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`: Sets the ECMAScript version to parse. Default is
version 5.
- `--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.
## Build system
Acorn is written in ECMAScript 6, as a set of small modules, in the
project's `src` directory, and compiled down to bigger ECMAScript 3
files in `dist` using [Browserify](http://browserify.org) and
[Babel](http://babeljs.io/). If you are already using Babel, you can
consider including the modules directly.
The command-line test runner (`npm test`) uses the ES6 modules. The
browser-based test page (`test/index.html`) uses the compiled modules.
The `bin/build-acorn.js` script builds the latter from the former.
If you are working on Acorn, you'll probably want to try the code out
directly, without an intermediate build step. In your scripts, you can
register the Babel require shim like this:
require("babel-core/register")
That will allow you to directly `require` the ES6 modules.
## Plugins
Acorn is designed support allow plugins which, within reasonable
bounds, redefine the way the parser works. Plugins can add new token
types and new tokenizer contexts (if necessary), and extend methods in
the parser object. This is not a clean, elegant API—using it requires
an understanding of Acorn's internals, and plugins are likely to break
whenever those internals are significantly changed. But still, it is
_possible_, in this way, to create parsers for JavaScript dialects
without forking all of Acorn. And in principle it is even possible to
combine such plugins, so that if you have, for example, a plugin for
parsing types and a plugin for parsing JSX-style XML literals, you
could load them both and parse code with both JSX tags and types.
A plugin should register itself by adding a property to
`acorn.plugins`, which holds a function. Calling `acorn.parse`, a
`plugins` option can be passed, holding an object mapping plugin names
to configuration values (or just `true` for plugins that don't take
options). After the parser object has been created, the initialization
functions for the chosen plugins are called with `(parser,
configValue)` arguments. They are expected to use the `parser.extend`
method to extend parser methods. For example, the `readToken` method
could be extended like this:
```javascript
parser.extend("readToken", function(nextMethod) {
return function(code) {
console.log("Reading a token!")
return nextMethod.call(this, code)
}
})
```
The `nextMethod` argument passed to `extend`'s second argument is the
previous value of this method, and should usually be called through to
whenever the extended method does not handle the call itself.
Similarly, the loose parser allows plugins to register themselves via
`acorn.pluginsLoose`. The extension mechanism is the same as for the
normal parser:
```javascript
looseParser.extend("readToken", function(nextMethod) {
return function() {
console.log("Reading a token in the loose parser!")
return nextMethod.call(this)
}
})
```
### Existing plugins
- [`acorn-jsx`](https://github.com/RReverser/acorn-jsx): Parse [Facebook JSX syntax extensions](https://github.com/facebook/jsx)
- [`acorn-es7-plugin`](https://github.com/MatAtBread/acorn-es7-plugin/): Parse [async/await syntax proposal](https://github.com/tc39/ecmascript-asyncawait)
- [`acorn-object-spread`](https://github.com/UXtemple/acorn-object-spread): Parse [object spread syntax proposal](https://github.com/sebmarkbage/ecmascript-rest-spread)
- [`acorn-es7`](https://www.npmjs.com/package/acorn-es7): Parse [decorator syntax proposal](https://github.com/wycats/javascript-decorators)
- [`acorn-objj`](https://www.npmjs.com/package/acorn-objj): [Objective-J](http://www.cappuccino-project.org/learn/objective-j.html) language parser built as Acorn plugin

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@ -1,67 +0,0 @@
#!/usr/bin/env node
'use strict';
var path = require('path');
var fs = require('fs');
var acorn = require('../dist/acorn.js');
var infile;
var forceFile;
var silent = false;
var compact = false;
var 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|...|--ecma2015|--ecma2016|...]")
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
if (!tokenize) {
try { result = acorn.parse(code, options) }
catch(e) { console.error(e.message); process.exit(1) }
} else {
result = []
var tokenizer = acorn.tokenizer(code, options), token
while (true) {
try { token = tokenizer.getToken() }
catch(e) { console.error(e.message); process.exit(1) }
result.push(token)
if (token.type == acorn.tokTypes.eof) break
}
}
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); })
}

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@ -1,46 +0,0 @@
{
"name": "acorn",
"description": "ECMAScript parser",
"homepage": "https://github.com/ternjs/acorn",
"main": "dist/acorn.js",
"jsnext:main": "dist/acorn.es.js",
"version": "4.0.13",
"engines": {
"node": ">=0.4.0"
},
"maintainers": [
{
"name": "Marijn Haverbeke",
"email": "marijnh@gmail.com",
"web": "http://marijnhaverbeke.nl"
},
{
"name": "Ingvar Stepanyan",
"email": "me@rreverser.com",
"web": "http://rreverser.com/"
}
],
"repository": {
"type": "git",
"url": "https://github.com/ternjs/acorn.git"
},
"license": "MIT",
"scripts": {
"prepublish": "npm test",
"test": "node test/run.js",
"pretest": "npm run build",
"build": "npm run build:main && npm run build:walk && npm run build:loose && npm run build:bin",
"build:main": "rollup -c rollup/config.main.js",
"build:walk": "rollup -c rollup/config.walk.js",
"build:loose": "rollup -c rollup/config.loose.js",
"build:bin": "rollup -c rollup/config.bin.js"
},
"bin": {
"acorn": "./bin/acorn"
},
"devDependencies": {
"rollup": "^0.34.1",
"rollup-plugin-buble": "^0.11.0",
"unicode-9.0.0": "^0.7.0"
}
}

View file

@ -1,60 +0,0 @@
import {basename} from "path"
import {readFileSync as readFile} from "fs"
import * as acorn from "acorn"
let infile, forceFile, silent = false, compact = false, tokenize = false
const options = {}
function help(status) {
const print = (status == 0) ? console.log : console.error
print("usage: " + basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|...|--ecma2015|--ecma2016|...]")
print(" [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]")
process.exit(status)
}
for (let i = 2; i < process.argv.length; ++i) {
const 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 {
let match = arg.match(/^--ecma(\d+)$/)
if (match)
options.ecmaVersion = +match[1]
else
help(1)
}
}
function run(code) {
let result
if (!tokenize) {
try { result = acorn.parse(code, options) }
catch(e) { console.error(e.message); process.exit(1) }
} else {
result = []
let tokenizer = acorn.tokenizer(code, options), token
while (true) {
try { token = tokenizer.getToken() }
catch(e) { console.error(e.message); process.exit(1) }
result.push(token)
if (token.type == acorn.tokTypes.eof) break
}
}
if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2))
}
if (forceFile || infile && infile != "-") {
run(readFile(infile, "utf8"))
} else {
let code = ""
process.stdin.resume()
process.stdin.on("data", chunk => code += chunk)
process.stdin.on("end", () => run(code))
}

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@ -1,819 +0,0 @@
// A recursive descent parser operates by defining functions for all
// syntactic elements, and recursively calling those, each function
// advancing the input stream and returning an AST node. Precedence
// of constructs (for example, the fact that `!x[1]` means `!(x[1])`
// instead of `(!x)[1]` is handled by the fact that the parser
// function that parses unary prefix operators is called first, and
// in turn calls the function that parses `[]` subscripts — that
// way, it'll receive the node for `x[1]` already parsed, and wraps
// *that* in the unary operator node.
//
// Acorn uses an [operator precedence parser][opp] to handle binary
// operator precedence, because it is much more compact than using
// the technique outlined above, which uses different, nesting
// functions to specify precedence, for all of the ten binary
// precedence levels that JavaScript defines.
//
// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser
import {types as tt} from "./tokentype"
import {Parser} from "./state"
import {DestructuringErrors} from "./parseutil"
const pp = Parser.prototype
// Check if property name clashes with already added.
// Object/class getters and setters are not allowed to clash —
// either with each other or with an init property — and in
// strict mode, init properties are also not allowed to be repeated.
pp.checkPropClash = function(prop, propHash) {
if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand))
return
let {key} = prop, name
switch (key.type) {
case "Identifier": name = key.name; break
case "Literal": name = String(key.value); break
default: return
}
let {kind} = prop
if (this.options.ecmaVersion >= 6) {
if (name === "__proto__" && kind === "init") {
if (propHash.proto) this.raiseRecoverable(key.start, "Redefinition of __proto__ property")
propHash.proto = true
}
return
}
name = "$" + name
let other = propHash[name]
if (other) {
let isGetSet = kind !== "init"
if ((this.strict || isGetSet) && other[kind] || !(isGetSet ^ other.init))
this.raiseRecoverable(key.start, "Redefinition of property")
} else {
other = propHash[name] = {
init: false,
get: false,
set: false
}
}
other[kind] = true
}
// ### Expression parsing
// These nest, from the most general expression type at the top to
// 'atomic', nondivisible expression types at the bottom. Most of
// the functions will simply let the function(s) below them parse,
// and, *if* the syntactic construct they handle is present, wrap
// the AST node that the inner parser gave them in another node.
// Parse a full expression. The optional arguments are used to
// forbid the `in` operator (in for loops initalization expressions)
// and provide reference for storing '=' operator inside shorthand
// property assignment in contexts where both object expression
// and object pattern might appear (so it's possible to raise
// delayed syntax error at correct position).
pp.parseExpression = function(noIn, refDestructuringErrors) {
let startPos = this.start, startLoc = this.startLoc
let expr = this.parseMaybeAssign(noIn, refDestructuringErrors)
if (this.type === tt.comma) {
let node = this.startNodeAt(startPos, startLoc)
node.expressions = [expr]
while (this.eat(tt.comma)) node.expressions.push(this.parseMaybeAssign(noIn, refDestructuringErrors))
return this.finishNode(node, "SequenceExpression")
}
return expr
}
// Parse an assignment expression. This includes applications of
// operators like `+=`.
pp.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) {
if (this.inGenerator && this.isContextual("yield")) return this.parseYield()
let ownDestructuringErrors = false, oldParenAssign = -1
if (refDestructuringErrors) {
oldParenAssign = refDestructuringErrors.parenthesizedAssign
refDestructuringErrors.parenthesizedAssign = -1
} else {
refDestructuringErrors = new DestructuringErrors
ownDestructuringErrors = true
}
let startPos = this.start, startLoc = this.startLoc
if (this.type == tt.parenL || this.type == tt.name)
this.potentialArrowAt = this.start
let left = this.parseMaybeConditional(noIn, refDestructuringErrors)
if (afterLeftParse) left = afterLeftParse.call(this, left, startPos, startLoc)
if (this.type.isAssign) {
this.checkPatternErrors(refDestructuringErrors, true)
if (!ownDestructuringErrors) DestructuringErrors.call(refDestructuringErrors)
let node = this.startNodeAt(startPos, startLoc)
node.operator = this.value
node.left = this.type === tt.eq ? this.toAssignable(left) : left
refDestructuringErrors.shorthandAssign = -1 // reset because shorthand default was used correctly
this.checkLVal(left)
this.next()
node.right = this.parseMaybeAssign(noIn)
return this.finishNode(node, "AssignmentExpression")
} else {
if (ownDestructuringErrors) this.checkExpressionErrors(refDestructuringErrors, true)
}
if (oldParenAssign > -1) refDestructuringErrors.parenthesizedAssign = oldParenAssign
return left
}
// Parse a ternary conditional (`?:`) operator.
pp.parseMaybeConditional = function(noIn, refDestructuringErrors) {
let startPos = this.start, startLoc = this.startLoc
let expr = this.parseExprOps(noIn, refDestructuringErrors)
if (this.checkExpressionErrors(refDestructuringErrors)) return expr
if (this.eat(tt.question)) {
let node = this.startNodeAt(startPos, startLoc)
node.test = expr
node.consequent = this.parseMaybeAssign()
this.expect(tt.colon)
node.alternate = this.parseMaybeAssign(noIn)
return this.finishNode(node, "ConditionalExpression")
}
return expr
}
// Start the precedence parser.
pp.parseExprOps = function(noIn, refDestructuringErrors) {
let startPos = this.start, startLoc = this.startLoc
let expr = this.parseMaybeUnary(refDestructuringErrors, false)
if (this.checkExpressionErrors(refDestructuringErrors)) return expr
return this.parseExprOp(expr, startPos, startLoc, -1, noIn)
}
// Parse binary operators with the operator precedence parsing
// algorithm. `left` is the left-hand side of the operator.
// `minPrec` provides context that allows the function to stop and
// defer further parser to one of its callers when it encounters an
// operator that has a lower precedence than the set it is parsing.
pp.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) {
let prec = this.type.binop
if (prec != null && (!noIn || this.type !== tt._in)) {
if (prec > minPrec) {
let logical = this.type === tt.logicalOR || this.type === tt.logicalAND
let op = this.value
this.next()
let startPos = this.start, startLoc = this.startLoc
let right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn)
let node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical)
return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn)
}
}
return left
}
pp.buildBinary = function(startPos, startLoc, left, right, op, logical) {
let node = this.startNodeAt(startPos, startLoc)
node.left = left
node.operator = op
node.right = right
return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression")
}
// Parse unary operators, both prefix and postfix.
pp.parseMaybeUnary = function(refDestructuringErrors, sawUnary) {
let startPos = this.start, startLoc = this.startLoc, expr
if (this.inAsync && this.isContextual("await")) {
expr = this.parseAwait(refDestructuringErrors)
sawUnary = true
} else if (this.type.prefix) {
let node = this.startNode(), update = this.type === tt.incDec
node.operator = this.value
node.prefix = true
this.next()
node.argument = this.parseMaybeUnary(null, true)
this.checkExpressionErrors(refDestructuringErrors, true)
if (update) this.checkLVal(node.argument)
else if (this.strict && node.operator === "delete" &&
node.argument.type === "Identifier")
this.raiseRecoverable(node.start, "Deleting local variable in strict mode")
else sawUnary = true
expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression")
} else {
expr = this.parseExprSubscripts(refDestructuringErrors)
if (this.checkExpressionErrors(refDestructuringErrors)) return expr
while (this.type.postfix && !this.canInsertSemicolon()) {
let node = this.startNodeAt(startPos, startLoc)
node.operator = this.value
node.prefix = false
node.argument = expr
this.checkLVal(expr)
this.next()
expr = this.finishNode(node, "UpdateExpression")
}
}
if (!sawUnary && this.eat(tt.starstar))
return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false)
else
return expr
}
// Parse call, dot, and `[]`-subscript expressions.
pp.parseExprSubscripts = function(refDestructuringErrors) {
let startPos = this.start, startLoc = this.startLoc
let expr = this.parseExprAtom(refDestructuringErrors)
let skipArrowSubscripts = expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")"
if (this.checkExpressionErrors(refDestructuringErrors) || skipArrowSubscripts) return expr
let result = this.parseSubscripts(expr, startPos, startLoc)
if (refDestructuringErrors && result.type === "MemberExpression") {
if (refDestructuringErrors.parenthesizedAssign >= result.start) refDestructuringErrors.parenthesizedAssign = -1
if (refDestructuringErrors.parenthesizedBind >= result.start) refDestructuringErrors.parenthesizedBind = -1
}
return result
}
pp.parseSubscripts = function(base, startPos, startLoc, noCalls) {
let maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" &&
this.lastTokEnd == base.end && !this.canInsertSemicolon()
for (let computed;;) {
if ((computed = this.eat(tt.bracketL)) || this.eat(tt.dot)) {
let node = this.startNodeAt(startPos, startLoc)
node.object = base
node.property = computed ? this.parseExpression() : this.parseIdent(true)
node.computed = !!computed
if (computed) this.expect(tt.bracketR)
base = this.finishNode(node, "MemberExpression")
} else if (!noCalls && this.eat(tt.parenL)) {
let refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos
this.yieldPos = 0
this.awaitPos = 0
let exprList = this.parseExprList(tt.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors)
if (maybeAsyncArrow && !this.canInsertSemicolon() && this.eat(tt.arrow)) {
this.checkPatternErrors(refDestructuringErrors, false)
this.checkYieldAwaitInDefaultParams()
this.yieldPos = oldYieldPos
this.awaitPos = oldAwaitPos
return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true)
}
this.checkExpressionErrors(refDestructuringErrors, true)
this.yieldPos = oldYieldPos || this.yieldPos
this.awaitPos = oldAwaitPos || this.awaitPos
let node = this.startNodeAt(startPos, startLoc)
node.callee = base
node.arguments = exprList
base = this.finishNode(node, "CallExpression")
} else if (this.type === tt.backQuote) {
let node = this.startNodeAt(startPos, startLoc)
node.tag = base
node.quasi = this.parseTemplate()
base = this.finishNode(node, "TaggedTemplateExpression")
} else {
return base
}
}
}
// Parse an atomic expression — either a single token that is an
// expression, an expression started by a keyword like `function` or
// `new`, or an expression wrapped in punctuation like `()`, `[]`,
// or `{}`.
pp.parseExprAtom = function(refDestructuringErrors) {
let node, canBeArrow = this.potentialArrowAt == this.start
switch (this.type) {
case tt._super:
if (!this.inFunction)
this.raise(this.start, "'super' outside of function or class")
case tt._this:
let type = this.type === tt._this ? "ThisExpression" : "Super"
node = this.startNode()
this.next()
return this.finishNode(node, type)
case tt.name:
let startPos = this.start, startLoc = this.startLoc
let id = this.parseIdent(this.type !== tt.name)
if (this.options.ecmaVersion >= 8 && id.name === "async" && !this.canInsertSemicolon() && this.eat(tt._function))
return this.parseFunction(this.startNodeAt(startPos, startLoc), false, false, true)
if (canBeArrow && !this.canInsertSemicolon()) {
if (this.eat(tt.arrow))
return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false)
if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === tt.name) {
id = this.parseIdent()
if (this.canInsertSemicolon() || !this.eat(tt.arrow))
this.unexpected()
return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true)
}
}
return id
case tt.regexp:
let value = this.value
node = this.parseLiteral(value.value)
node.regex = {pattern: value.pattern, flags: value.flags}
return node
case tt.num: case tt.string:
return this.parseLiteral(this.value)
case tt._null: case tt._true: case tt._false:
node = this.startNode()
node.value = this.type === tt._null ? null : this.type === tt._true
node.raw = this.type.keyword
this.next()
return this.finishNode(node, "Literal")
case tt.parenL:
let start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow)
if (refDestructuringErrors) {
if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr))
refDestructuringErrors.parenthesizedAssign = start
if (refDestructuringErrors.parenthesizedBind < 0)
refDestructuringErrors.parenthesizedBind = start
}
return expr
case tt.bracketL:
node = this.startNode()
this.next()
node.elements = this.parseExprList(tt.bracketR, true, true, refDestructuringErrors)
return this.finishNode(node, "ArrayExpression")
case tt.braceL:
return this.parseObj(false, refDestructuringErrors)
case tt._function:
node = this.startNode()
this.next()
return this.parseFunction(node, false)
case tt._class:
return this.parseClass(this.startNode(), false)
case tt._new:
return this.parseNew()
case tt.backQuote:
return this.parseTemplate()
default:
this.unexpected()
}
}
pp.parseLiteral = function(value) {
let node = this.startNode()
node.value = value
node.raw = this.input.slice(this.start, this.end)
this.next()
return this.finishNode(node, "Literal")
}
pp.parseParenExpression = function() {
this.expect(tt.parenL)
let val = this.parseExpression()
this.expect(tt.parenR)
return val
}
pp.parseParenAndDistinguishExpression = function(canBeArrow) {
let startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8
if (this.options.ecmaVersion >= 6) {
this.next()
let innerStartPos = this.start, innerStartLoc = this.startLoc
let exprList = [], first = true, lastIsComma = false
let refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart, innerParenStart
this.yieldPos = 0
this.awaitPos = 0
while (this.type !== tt.parenR) {
first ? first = false : this.expect(tt.comma)
if (allowTrailingComma && this.afterTrailingComma(tt.parenR, true)) {
lastIsComma = true
break
} else if (this.type === tt.ellipsis) {
spreadStart = this.start
exprList.push(this.parseParenItem(this.parseRest()))
if (this.type === tt.comma) this.raise(this.start, "Comma is not permitted after the rest element")
break
} else {
if (this.type === tt.parenL && !innerParenStart) {
innerParenStart = this.start
}
exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem))
}
}
let innerEndPos = this.start, innerEndLoc = this.startLoc
this.expect(tt.parenR)
if (canBeArrow && !this.canInsertSemicolon() && this.eat(tt.arrow)) {
this.checkPatternErrors(refDestructuringErrors, false)
this.checkYieldAwaitInDefaultParams()
if (innerParenStart) this.unexpected(innerParenStart)
this.yieldPos = oldYieldPos
this.awaitPos = oldAwaitPos
return this.parseParenArrowList(startPos, startLoc, exprList)
}
if (!exprList.length || lastIsComma) this.unexpected(this.lastTokStart)
if (spreadStart) this.unexpected(spreadStart)
this.checkExpressionErrors(refDestructuringErrors, true)
this.yieldPos = oldYieldPos || this.yieldPos
this.awaitPos = oldAwaitPos || this.awaitPos
if (exprList.length > 1) {
val = this.startNodeAt(innerStartPos, innerStartLoc)
val.expressions = exprList
this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc)
} else {
val = exprList[0]
}
} else {
val = this.parseParenExpression()
}
if (this.options.preserveParens) {
let par = this.startNodeAt(startPos, startLoc)
par.expression = val
return this.finishNode(par, "ParenthesizedExpression")
} else {
return val
}
}
pp.parseParenItem = function(item) {
return item
}
pp.parseParenArrowList = function(startPos, startLoc, exprList) {
return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList)
}
// New's precedence is slightly tricky. It must allow its argument to
// be a `[]` or dot subscript expression, but not a call — at least,
// not without wrapping it in parentheses. Thus, it uses the noCalls
// argument to parseSubscripts to prevent it from consuming the
// argument list.
const empty = []
pp.parseNew = function() {
let node = this.startNode()
let meta = this.parseIdent(true)
if (this.options.ecmaVersion >= 6 && this.eat(tt.dot)) {
node.meta = meta
node.property = this.parseIdent(true)
if (node.property.name !== "target")
this.raiseRecoverable(node.property.start, "The only valid meta property for new is new.target")
if (!this.inFunction)
this.raiseRecoverable(node.start, "new.target can only be used in functions")
return this.finishNode(node, "MetaProperty")
}
let startPos = this.start, startLoc = this.startLoc
node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true)
if (this.eat(tt.parenL)) node.arguments = this.parseExprList(tt.parenR, this.options.ecmaVersion >= 8, false)
else node.arguments = empty
return this.finishNode(node, "NewExpression")
}
// Parse template expression.
pp.parseTemplateElement = function() {
let elem = this.startNode()
elem.value = {
raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, '\n'),
cooked: this.value
}
this.next()
elem.tail = this.type === tt.backQuote
return this.finishNode(elem, "TemplateElement")
}
pp.parseTemplate = function() {
let node = this.startNode()
this.next()
node.expressions = []
let curElt = this.parseTemplateElement()
node.quasis = [curElt]
while (!curElt.tail) {
this.expect(tt.dollarBraceL)
node.expressions.push(this.parseExpression())
this.expect(tt.braceR)
node.quasis.push(curElt = this.parseTemplateElement())
}
this.next()
return this.finishNode(node, "TemplateLiteral")
}
// Parse an object literal or binding pattern.
pp.parseObj = function(isPattern, refDestructuringErrors) {
let node = this.startNode(), first = true, propHash = {}
node.properties = []
this.next()
while (!this.eat(tt.braceR)) {
if (!first) {
this.expect(tt.comma)
if (this.afterTrailingComma(tt.braceR)) break
} else first = false
let prop = this.startNode(), isGenerator, isAsync, startPos, startLoc
if (this.options.ecmaVersion >= 6) {
prop.method = false
prop.shorthand = false
if (isPattern || refDestructuringErrors) {
startPos = this.start
startLoc = this.startLoc
}
if (!isPattern)
isGenerator = this.eat(tt.star)
}
this.parsePropertyName(prop)
if (!isPattern && this.options.ecmaVersion >= 8 && !isGenerator && !prop.computed &&
prop.key.type === "Identifier" && prop.key.name === "async" && this.type !== tt.parenL &&
this.type !== tt.colon && !this.canInsertSemicolon()) {
isAsync = true
this.parsePropertyName(prop, refDestructuringErrors)
} else {
isAsync = false
}
this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors)
this.checkPropClash(prop, propHash)
node.properties.push(this.finishNode(prop, "Property"))
}
return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression")
}
pp.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors) {
if ((isGenerator || isAsync) && this.type === tt.colon)
this.unexpected()
if (this.eat(tt.colon)) {
prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors)
prop.kind = "init"
} else if (this.options.ecmaVersion >= 6 && this.type === tt.parenL) {
if (isPattern) this.unexpected()
prop.kind = "init"
prop.method = true
prop.value = this.parseMethod(isGenerator, isAsync)
} else if (this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" &&
(prop.key.name === "get" || prop.key.name === "set") &&
(this.type != tt.comma && this.type != tt.braceR)) {
if (isGenerator || isAsync || isPattern) this.unexpected()
prop.kind = prop.key.name
this.parsePropertyName(prop)
prop.value = this.parseMethod(false)
let paramCount = prop.kind === "get" ? 0 : 1
if (prop.value.params.length !== paramCount) {
let start = prop.value.start
if (prop.kind === "get")
this.raiseRecoverable(start, "getter should have no params")
else
this.raiseRecoverable(start, "setter should have exactly one param")
} else {
if (prop.kind === "set" && prop.value.params[0].type === "RestElement")
this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params")
}
} else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") {
if (this.keywords.test(prop.key.name) ||
(this.strict ? this.reservedWordsStrict : this.reservedWords).test(prop.key.name) ||
(this.inGenerator && prop.key.name == "yield") ||
(this.inAsync && prop.key.name == "await"))
this.raiseRecoverable(prop.key.start, "'" + prop.key.name + "' can not be used as shorthand property")
prop.kind = "init"
if (isPattern) {
prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key)
} else if (this.type === tt.eq && refDestructuringErrors) {
if (refDestructuringErrors.shorthandAssign < 0)
refDestructuringErrors.shorthandAssign = this.start
prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key)
} else {
prop.value = prop.key
}
prop.shorthand = true
} else this.unexpected()
}
pp.parsePropertyName = function(prop) {
if (this.options.ecmaVersion >= 6) {
if (this.eat(tt.bracketL)) {
prop.computed = true
prop.key = this.parseMaybeAssign()
this.expect(tt.bracketR)
return prop.key
} else {
prop.computed = false
}
}
return prop.key = this.type === tt.num || this.type === tt.string ? this.parseExprAtom() : this.parseIdent(true)
}
// Initialize empty function node.
pp.initFunction = function(node) {
node.id = null
if (this.options.ecmaVersion >= 6) {
node.generator = false
node.expression = false
}
if (this.options.ecmaVersion >= 8)
node.async = false
}
// Parse object or class method.
pp.parseMethod = function(isGenerator, isAsync) {
let node = this.startNode(), oldInGen = this.inGenerator, oldInAsync = this.inAsync,
oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction
this.initFunction(node)
if (this.options.ecmaVersion >= 6)
node.generator = isGenerator
if (this.options.ecmaVersion >= 8)
node.async = !!isAsync
this.inGenerator = node.generator
this.inAsync = node.async
this.yieldPos = 0
this.awaitPos = 0
this.inFunction = true
this.expect(tt.parenL)
node.params = this.parseBindingList(tt.parenR, false, this.options.ecmaVersion >= 8)
this.checkYieldAwaitInDefaultParams()
this.parseFunctionBody(node, false)
this.inGenerator = oldInGen
this.inAsync = oldInAsync
this.yieldPos = oldYieldPos
this.awaitPos = oldAwaitPos
this.inFunction = oldInFunc
return this.finishNode(node, "FunctionExpression")
}
// Parse arrow function expression with given parameters.
pp.parseArrowExpression = function(node, params, isAsync) {
let oldInGen = this.inGenerator, oldInAsync = this.inAsync,
oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction
this.initFunction(node)
if (this.options.ecmaVersion >= 8)
node.async = !!isAsync
this.inGenerator = false
this.inAsync = node.async
this.yieldPos = 0
this.awaitPos = 0
this.inFunction = true
node.params = this.toAssignableList(params, true)
this.parseFunctionBody(node, true)
this.inGenerator = oldInGen
this.inAsync = oldInAsync
this.yieldPos = oldYieldPos
this.awaitPos = oldAwaitPos
this.inFunction = oldInFunc
return this.finishNode(node, "ArrowFunctionExpression")
}
// Parse function body and check parameters.
pp.parseFunctionBody = function(node, isArrowFunction) {
let isExpression = isArrowFunction && this.type !== tt.braceL
let oldStrict = this.strict, useStrict = false
if (isExpression) {
node.body = this.parseMaybeAssign()
node.expression = true
} else {
let nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params)
if (!oldStrict || nonSimple) {
useStrict = this.strictDirective(this.end)
// If this is a strict mode function, verify that argument names
// are not repeated, and it does not try to bind the words `eval`
// or `arguments`.
if (useStrict && nonSimple)
this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list")
}
// Start a new scope with regard to labels and the `inFunction`
// flag (restore them to their old value afterwards).
let oldLabels = this.labels
this.labels = []
if (useStrict) this.strict = true
node.body = this.parseBlock(true)
node.expression = false
this.labels = oldLabels
}
if (oldStrict || useStrict) {
this.strict = true
if (node.id)
this.checkLVal(node.id, true)
this.checkParams(node)
this.strict = oldStrict
} else if (isArrowFunction || !this.isSimpleParamList(node.params)) {
this.checkParams(node)
}
}
pp.isSimpleParamList = function(params) {
for (let i = 0; i < params.length; i++)
if (params[i].type !== "Identifier") return false
return true
}
// Checks function params for various disallowed patterns such as using "eval"
// or "arguments" and duplicate parameters.
pp.checkParams = function(node) {
let nameHash = {}
for (let i = 0; i < node.params.length; i++) this.checkLVal(node.params[i], true, nameHash)
}
// Parses a comma-separated list of expressions, and returns them as
// an array. `close` is the token type that ends the list, and
// `allowEmpty` can be turned on to allow subsequent commas with
// nothing in between them to be parsed as `null` (which is needed
// for array literals).
pp.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) {
let elts = [], first = true
while (!this.eat(close)) {
if (!first) {
this.expect(tt.comma)
if (allowTrailingComma && this.afterTrailingComma(close)) break
} else first = false
let elt
if (allowEmpty && this.type === tt.comma)
elt = null
else if (this.type === tt.ellipsis) {
elt = this.parseSpread(refDestructuringErrors)
if (refDestructuringErrors && this.type === tt.comma && refDestructuringErrors.trailingComma < 0)
refDestructuringErrors.trailingComma = this.start
} else {
elt = this.parseMaybeAssign(false, refDestructuringErrors)
}
elts.push(elt)
}
return elts
}
// Parse the next token as an identifier. If `liberal` is true (used
// when parsing properties), it will also convert keywords into
// identifiers.
pp.parseIdent = function(liberal) {
let node = this.startNode()
if (liberal && this.options.allowReserved == "never") liberal = false
if (this.type === tt.name) {
if (!liberal && (this.strict ? this.reservedWordsStrict : this.reservedWords).test(this.value) &&
(this.options.ecmaVersion >= 6 ||
this.input.slice(this.start, this.end).indexOf("\\") == -1))
this.raiseRecoverable(this.start, "The keyword '" + this.value + "' is reserved")
if (this.inGenerator && this.value === "yield")
this.raiseRecoverable(this.start, "Can not use 'yield' as identifier inside a generator")
if (this.inAsync && this.value === "await")
this.raiseRecoverable(this.start, "Can not use 'await' as identifier inside an async function")
node.name = this.value
} else if (liberal && this.type.keyword) {
node.name = this.type.keyword
} else {
this.unexpected()
}
this.next()
return this.finishNode(node, "Identifier")
}
// Parses yield expression inside generator.
pp.parseYield = function() {
if (!this.yieldPos) this.yieldPos = this.start
let node = this.startNode()
this.next()
if (this.type == tt.semi || this.canInsertSemicolon() || (this.type != tt.star && !this.type.startsExpr)) {
node.delegate = false
node.argument = null
} else {
node.delegate = this.eat(tt.star)
node.argument = this.parseMaybeAssign()
}
return this.finishNode(node, "YieldExpression")
}
pp.parseAwait = function() {
if (!this.awaitPos) this.awaitPos = this.start
let node = this.startNode()
this.next()
node.argument = this.parseMaybeUnary(null, true)
return this.finishNode(node, "AwaitExpression")
}

View file

@ -1,81 +0,0 @@
// Reserved word lists for various dialects of the language
export const reservedWords = {
3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",
5: "class enum extends super const export import",
6: "enum",
strict: "implements interface let package private protected public static yield",
strictBind: "eval arguments"
}
// And the keywords
var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this"
export const keywords = {
5: ecma5AndLessKeywords,
6: ecma5AndLessKeywords + " const class extends export import super"
}
// ## Character categories
// Big ugly regular expressions that match characters in the
// whitespace, identifier, and identifier-start categories. These
// are only applied when a character is found to actually have a
// code point above 128.
// Generated by `bin/generate-identifier-regex.js`.
let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fd5\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ae\ua7b0-\ua7b7\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab65\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"
let nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d4-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c03\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d01-\u0d03\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf2-\u1cf4\u1cf8\u1cf9\u1dc0-\u1df5\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua900-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f"
const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]")
const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]")
nonASCIIidentifierStartChars = nonASCIIidentifierChars = null
// These are a run-length and offset encoded representation of the
// >0xffff code points that are a valid part of identifiers. The
// offset starts at 0x10000, and each pair of numbers represents an
// offset to the next range, and then a size of the range. They were
// generated by bin/generate-identifier-regex.js
const astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,17,26,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,26,45,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,785,52,76,44,33,24,27,35,42,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,25,391,63,32,0,449,56,264,8,2,36,18,0,50,29,881,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,881,68,12,0,67,12,65,0,32,6124,20,754,9486,1,3071,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,10591,541]
const astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,1306,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,52,0,13,2,49,13,10,2,4,9,83,11,7,0,161,11,6,9,7,3,57,0,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,87,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,423,9,838,7,2,7,17,9,57,21,2,13,19882,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239]
// This has a complexity linear to the value of the code. The
// assumption is that looking up astral identifier characters is
// rare.
function isInAstralSet(code, set) {
let pos = 0x10000
for (let i = 0; i < set.length; i += 2) {
pos += set[i]
if (pos > code) return false
pos += set[i + 1]
if (pos >= code) return true
}
}
// Test whether a given character code starts an identifier.
export function isIdentifierStart(code, astral) {
if (code < 65) return code === 36
if (code < 91) return true
if (code < 97) return code === 95
if (code < 123) return true
if (code <= 0xffff) return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code))
if (astral === false) return false
return isInAstralSet(code, astralIdentifierStartCodes)
}
// Test whether a given character is part of an identifier.
export function isIdentifierChar(code, astral) {
if (code < 48) return code === 36
if (code < 58) return true
if (code < 65) return false
if (code < 91) return true
if (code < 97) return code === 95
if (code < 123) return true
if (code <= 0xffff) return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code))
if (astral === false) return false
return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes)
}

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@ -1,77 +0,0 @@
// Acorn is a tiny, fast JavaScript parser written in JavaScript.
//
// Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and
// various contributors and released under an MIT license.
//
// Git repositories for Acorn are available at
//
// http://marijnhaverbeke.nl/git/acorn
// https://github.com/ternjs/acorn.git
//
// Please use the [github bug tracker][ghbt] to report issues.
//
// [ghbt]: https://github.com/ternjs/acorn/issues
//
// This file defines the main parser interface. The library also comes
// with a [error-tolerant parser][dammit] and an
// [abstract syntax tree walker][walk], defined in other files.
//
// [dammit]: acorn_loose.js
// [walk]: util/walk.js
import {Parser} from "./state"
import "./parseutil"
import "./statement"
import "./lval"
import "./expression"
import "./location"
export {Parser, plugins} from "./state"
export {defaultOptions} from "./options"
export {Position, SourceLocation, getLineInfo} from "./locutil"
export {Node} from "./node"
export {TokenType, types as tokTypes, keywords as keywordTypes} from "./tokentype"
export {TokContext, types as tokContexts} from "./tokencontext"
export {isIdentifierChar, isIdentifierStart} from "./identifier"
export {Token} from "./tokenize"
export {isNewLine, lineBreak, lineBreakG} from "./whitespace"
export const version = "4.0.11"
// The main exported interface (under `self.acorn` when in the
// browser) is a `parse` function that takes a code string and
// returns an abstract syntax tree as specified by [Mozilla parser
// API][api].
//
// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
export function parse(input, options) {
return new Parser(options, input).parse()
}
// This function tries to parse a single expression at a given
// offset in a string. Useful for parsing mixed-language formats
// that embed JavaScript expressions.
export function parseExpressionAt(input, pos, options) {
let p = new Parser(options, input, pos)
p.nextToken()
return p.parseExpression()
}
// Acorn is organized as a tokenizer and a recursive-descent parser.
// The `tokenizer` export provides an interface to the tokenizer.
export function tokenizer(input, options) {
return new Parser(options, input)
}
// This is a terrible kludge to support the existing, pre-ES6
// interface where the loose parser module retroactively adds exports
// to this module.
export let parse_dammit, LooseParser, pluginsLoose
export function addLooseExports(parse, Parser, plugins) {
parse_dammit = parse
LooseParser = Parser
pluginsLoose = plugins
}

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@ -1,26 +0,0 @@
import {Parser} from "./state"
import {Position, getLineInfo} from "./locutil"
const pp = Parser.prototype
// This function is used to raise exceptions on parse errors. It
// takes an offset integer (into the current `input`) to indicate
// the location of the error, attaches the position to the end
// of the error message, and then raises a `SyntaxError` with that
// message.
pp.raise = function(pos, message) {
let loc = getLineInfo(this.input, pos)
message += " (" + loc.line + ":" + loc.column + ")"
let err = new SyntaxError(message)
err.pos = pos; err.loc = loc; err.raisedAt = this.pos
throw err
}
pp.raiseRecoverable = pp.raise
pp.curPosition = function() {
if (this.options.locations) {
return new Position(this.curLine, this.pos - this.lineStart)
}
}

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@ -1,42 +0,0 @@
import {lineBreakG} from "./whitespace"
// These are used when `options.locations` is on, for the
// `startLoc` and `endLoc` properties.
export class Position {
constructor(line, col) {
this.line = line
this.column = col
}
offset(n) {
return new Position(this.line, this.column + n)
}
}
export class SourceLocation {
constructor(p, start, end) {
this.start = start
this.end = end
if (p.sourceFile !== null) this.source = p.sourceFile
}
}
// The `getLineInfo` function is mostly useful when the
// `locations` option is off (for performance reasons) and you
// want to find the line/column position for a given character
// offset. `input` should be the code string that the offset refers
// into.
export function getLineInfo(input, offset) {
for (let line = 1, cur = 0;;) {
lineBreakG.lastIndex = cur
let match = lineBreakG.exec(input)
if (match && match.index < offset) {
++line
cur = match.index + match[0].length
} else {
return new Position(line, offset - cur)
}
}
}

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@ -1,562 +0,0 @@
import {LooseParser} from "./state"
import {isDummy} from "./parseutil"
import {tokTypes as tt} from "../index"
const lp = LooseParser.prototype
lp.checkLVal = function(expr) {
if (!expr) return expr
switch (expr.type) {
case "Identifier":
case "MemberExpression":
return expr
case "ParenthesizedExpression":
expr.expression = this.checkLVal(expr.expression)
return expr
default:
return this.dummyIdent()
}
}
lp.parseExpression = function(noIn) {
let start = this.storeCurrentPos()
let expr = this.parseMaybeAssign(noIn)
if (this.tok.type === tt.comma) {
let node = this.startNodeAt(start)
node.expressions = [expr]
while (this.eat(tt.comma)) node.expressions.push(this.parseMaybeAssign(noIn))
return this.finishNode(node, "SequenceExpression")
}
return expr
}
lp.parseParenExpression = function() {
this.pushCx()
this.expect(tt.parenL)
let val = this.parseExpression()
this.popCx()
this.expect(tt.parenR)
return val
}
lp.parseMaybeAssign = function(noIn) {
if (this.toks.isContextual("yield")) {
let node = this.startNode()
this.next()
if (this.semicolon() || this.canInsertSemicolon() || (this.tok.type != tt.star && !this.tok.type.startsExpr)) {
node.delegate = false
node.argument = null
} else {
node.delegate = this.eat(tt.star)
node.argument = this.parseMaybeAssign()
}
return this.finishNode(node, "YieldExpression")
}
let start = this.storeCurrentPos()
let left = this.parseMaybeConditional(noIn)
if (this.tok.type.isAssign) {
let node = this.startNodeAt(start)
node.operator = this.tok.value
node.left = this.tok.type === tt.eq ? this.toAssignable(left) : this.checkLVal(left)
this.next()
node.right = this.parseMaybeAssign(noIn)
return this.finishNode(node, "AssignmentExpression")
}
return left
}
lp.parseMaybeConditional = function(noIn) {
let start = this.storeCurrentPos()
let expr = this.parseExprOps(noIn)
if (this.eat(tt.question)) {
let node = this.startNodeAt(start)
node.test = expr
node.consequent = this.parseMaybeAssign()
node.alternate = this.expect(tt.colon) ? this.parseMaybeAssign(noIn) : this.dummyIdent()
return this.finishNode(node, "ConditionalExpression")
}
return expr
}
lp.parseExprOps = function(noIn) {
let start = this.storeCurrentPos()
let indent = this.curIndent, line = this.curLineStart
return this.parseExprOp(this.parseMaybeUnary(false), start, -1, noIn, indent, line)
}
lp.parseExprOp = function(left, start, minPrec, noIn, indent, line) {
if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) return left
let prec = this.tok.type.binop
if (prec != null && (!noIn || this.tok.type !== tt._in)) {
if (prec > minPrec) {
let node = this.startNodeAt(start)
node.left = left
node.operator = this.tok.value
this.next()
if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) {
node.right = this.dummyIdent()
} else {
let rightStart = this.storeCurrentPos()
node.right = this.parseExprOp(this.parseMaybeUnary(false), rightStart, prec, noIn, indent, line)
}
this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression")
return this.parseExprOp(node, start, minPrec, noIn, indent, line)
}
}
return left
}
lp.parseMaybeUnary = function(sawUnary) {
let start = this.storeCurrentPos(), expr
if (this.options.ecmaVersion >= 8 && this.inAsync && this.toks.isContextual("await")) {
expr = this.parseAwait()
sawUnary = true
} else if (this.tok.type.prefix) {
let node = this.startNode(), update = this.tok.type === tt.incDec
if (!update) sawUnary = true
node.operator = this.tok.value
node.prefix = true
this.next()
node.argument = this.parseMaybeUnary(true)
if (update) node.argument = this.checkLVal(node.argument)
expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression")
} else if (this.tok.type === tt.ellipsis) {
let node = this.startNode()
this.next()
node.argument = this.parseMaybeUnary(sawUnary)
expr = this.finishNode(node, "SpreadElement")
} else {
expr = this.parseExprSubscripts()
while (this.tok.type.postfix && !this.canInsertSemicolon()) {
let node = this.startNodeAt(start)
node.operator = this.tok.value
node.prefix = false
node.argument = this.checkLVal(expr)
this.next()
expr = this.finishNode(node, "UpdateExpression")
}
}
if (!sawUnary && this.eat(tt.starstar)) {
let node = this.startNodeAt(start)
node.operator = "**"
node.left = expr
node.right = this.parseMaybeUnary(false)
return this.finishNode(node, "BinaryExpression")
}
return expr
}
lp.parseExprSubscripts = function() {
let start = this.storeCurrentPos()
return this.parseSubscripts(this.parseExprAtom(), start, false, this.curIndent, this.curLineStart)
}
lp.parseSubscripts = function(base, start, noCalls, startIndent, line) {
for (;;) {
if (this.curLineStart != line && this.curIndent <= startIndent && this.tokenStartsLine()) {
if (this.tok.type == tt.dot && this.curIndent == startIndent)
--startIndent
else
return base
}
let maybeAsyncArrow = base.type === "Identifier" && base.name === "async" && !this.canInsertSemicolon()
if (this.eat(tt.dot)) {
let node = this.startNodeAt(start)
node.object = base
if (this.curLineStart != line && this.curIndent <= startIndent && this.tokenStartsLine())
node.property = this.dummyIdent()
else
node.property = this.parsePropertyAccessor() || this.dummyIdent()
node.computed = false
base = this.finishNode(node, "MemberExpression")
} else if (this.tok.type == tt.bracketL) {
this.pushCx()
this.next()
let node = this.startNodeAt(start)
node.object = base
node.property = this.parseExpression()
node.computed = true
this.popCx()
this.expect(tt.bracketR)
base = this.finishNode(node, "MemberExpression")
} else if (!noCalls && this.tok.type == tt.parenL) {
let exprList = this.parseExprList(tt.parenR)
if (maybeAsyncArrow && this.eat(tt.arrow))
return this.parseArrowExpression(this.startNodeAt(start), exprList, true)
let node = this.startNodeAt(start)
node.callee = base
node.arguments = exprList
base = this.finishNode(node, "CallExpression")
} else if (this.tok.type == tt.backQuote) {
let node = this.startNodeAt(start)
node.tag = base
node.quasi = this.parseTemplate()
base = this.finishNode(node, "TaggedTemplateExpression")
} else {
return base
}
}
}
lp.parseExprAtom = function() {
let node
switch (this.tok.type) {
case tt._this:
case tt._super:
let type = this.tok.type === tt._this ? "ThisExpression" : "Super"
node = this.startNode()
this.next()
return this.finishNode(node, type)
case tt.name:
let start = this.storeCurrentPos()
let id = this.parseIdent()
let isAsync = false
if (id.name === "async" && !this.canInsertSemicolon()) {
if (this.eat(tt._function))
return this.parseFunction(this.startNodeAt(start), false, true)
if (this.tok.type === tt.name) {
id = this.parseIdent()
isAsync = true
}
}
return this.eat(tt.arrow) ? this.parseArrowExpression(this.startNodeAt(start), [id], isAsync) : id
case tt.regexp:
node = this.startNode()
let val = this.tok.value
node.regex = {pattern: val.pattern, flags: val.flags}
node.value = val.value
node.raw = this.input.slice(this.tok.start, this.tok.end)
this.next()
return this.finishNode(node, "Literal")
case tt.num: case tt.string:
node = this.startNode()
node.value = this.tok.value
node.raw = this.input.slice(this.tok.start, this.tok.end)
this.next()
return this.finishNode(node, "Literal")
case tt._null: case tt._true: case tt._false:
node = this.startNode()
node.value = this.tok.type === tt._null ? null : this.tok.type === tt._true
node.raw = this.tok.type.keyword
this.next()
return this.finishNode(node, "Literal")
case tt.parenL:
let parenStart = this.storeCurrentPos()
this.next()
let inner = this.parseExpression()
this.expect(tt.parenR)
if (this.eat(tt.arrow)) {
// (a,)=>a // SequenceExpression makes dummy in the last hole. Drop the dummy.
let params = inner.expressions || [inner]
if (params.length && isDummy(params[params.length - 1]))
params.pop()
return this.parseArrowExpression(this.startNodeAt(parenStart), params)
}
if (this.options.preserveParens) {
let par = this.startNodeAt(parenStart)
par.expression = inner
inner = this.finishNode(par, "ParenthesizedExpression")
}
return inner
case tt.bracketL:
node = this.startNode()
node.elements = this.parseExprList(tt.bracketR, true)
return this.finishNode(node, "ArrayExpression")
case tt.braceL:
return this.parseObj()
case tt._class:
return this.parseClass(false)
case tt._function:
node = this.startNode()
this.next()
return this.parseFunction(node, false)
case tt._new:
return this.parseNew()
case tt.backQuote:
return this.parseTemplate()
default:
return this.dummyIdent()
}
}
lp.parseNew = function() {
let node = this.startNode(), startIndent = this.curIndent, line = this.curLineStart
let meta = this.parseIdent(true)
if (this.options.ecmaVersion >= 6 && this.eat(tt.dot)) {
node.meta = meta
node.property = this.parseIdent(true)
return this.finishNode(node, "MetaProperty")
}
let start = this.storeCurrentPos()
node.callee = this.parseSubscripts(this.parseExprAtom(), start, true, startIndent, line)
if (this.tok.type == tt.parenL) {
node.arguments = this.parseExprList(tt.parenR)
} else {
node.arguments = []
}
return this.finishNode(node, "NewExpression")
}
lp.parseTemplateElement = function() {
let elem = this.startNode()
elem.value = {
raw: this.input.slice(this.tok.start, this.tok.end).replace(/\r\n?/g, '\n'),
cooked: this.tok.value
}
this.next()
elem.tail = this.tok.type === tt.backQuote
return this.finishNode(elem, "TemplateElement")
}
lp.parseTemplate = function() {
let node = this.startNode()
this.next()
node.expressions = []
let curElt = this.parseTemplateElement()
node.quasis = [curElt]
while (!curElt.tail) {
this.next()
node.expressions.push(this.parseExpression())
if (this.expect(tt.braceR)) {
curElt = this.parseTemplateElement()
} else {
curElt = this.startNode()
curElt.value = {cooked: '', raw: ''}
curElt.tail = true
this.finishNode(curElt, "TemplateElement")
}
node.quasis.push(curElt)
}
this.expect(tt.backQuote)
return this.finishNode(node, "TemplateLiteral")
}
lp.parseObj = function() {
let node = this.startNode()
node.properties = []
this.pushCx()
let indent = this.curIndent + 1, line = this.curLineStart
this.eat(tt.braceL)
if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart }
while (!this.closes(tt.braceR, indent, line)) {
let prop = this.startNode(), isGenerator, isAsync, start
if (this.options.ecmaVersion >= 6) {
start = this.storeCurrentPos()
prop.method = false
prop.shorthand = false
isGenerator = this.eat(tt.star)
}
this.parsePropertyName(prop)
if (!prop.computed &&
prop.key.type === "Identifier" && prop.key.name === "async" && this.tok.type !== tt.parenL &&
this.tok.type !== tt.colon && !this.canInsertSemicolon()) {
this.parsePropertyName(prop)
isAsync = true
} else {
isAsync = false
}
if (isDummy(prop.key)) { if (isDummy(this.parseMaybeAssign())) this.next(); this.eat(tt.comma); continue }
if (this.eat(tt.colon)) {
prop.kind = "init"
prop.value = this.parseMaybeAssign()
} else if (this.options.ecmaVersion >= 6 && (this.tok.type === tt.parenL || this.tok.type === tt.braceL)) {
prop.kind = "init"
prop.method = true
prop.value = this.parseMethod(isGenerator, isAsync)
} else if (this.options.ecmaVersion >= 5 && prop.key.type === "Identifier" &&
!prop.computed && (prop.key.name === "get" || prop.key.name === "set") &&
(this.tok.type != tt.comma && this.tok.type != tt.braceR)) {
prop.kind = prop.key.name
this.parsePropertyName(prop)
prop.value = this.parseMethod(false)
} else {
prop.kind = "init"
if (this.options.ecmaVersion >= 6) {
if (this.eat(tt.eq)) {
let assign = this.startNodeAt(start)
assign.operator = "="
assign.left = prop.key
assign.right = this.parseMaybeAssign()
prop.value = this.finishNode(assign, "AssignmentExpression")
} else {
prop.value = prop.key
}
} else {
prop.value = this.dummyIdent()
}
prop.shorthand = true
}
node.properties.push(this.finishNode(prop, "Property"))
this.eat(tt.comma)
}
this.popCx()
if (!this.eat(tt.braceR)) {
// If there is no closing brace, make the node span to the start
// of the next token (this is useful for Tern)
this.last.end = this.tok.start
if (this.options.locations) this.last.loc.end = this.tok.loc.start
}
return this.finishNode(node, "ObjectExpression")
}
lp.parsePropertyName = function(prop) {
if (this.options.ecmaVersion >= 6) {
if (this.eat(tt.bracketL)) {
prop.computed = true
prop.key = this.parseExpression()
this.expect(tt.bracketR)
return
} else {
prop.computed = false
}
}
let key = (this.tok.type === tt.num || this.tok.type === tt.string) ? this.parseExprAtom() : this.parseIdent()
prop.key = key || this.dummyIdent()
}
lp.parsePropertyAccessor = function() {
if (this.tok.type === tt.name || this.tok.type.keyword) return this.parseIdent()
}
lp.parseIdent = function() {
let name = this.tok.type === tt.name ? this.tok.value : this.tok.type.keyword
if (!name) return this.dummyIdent()
let node = this.startNode()
this.next()
node.name = name
return this.finishNode(node, "Identifier")
}
lp.initFunction = function(node) {
node.id = null
node.params = []
if (this.options.ecmaVersion >= 6) {
node.generator = false
node.expression = false
}
if (this.options.ecmaVersion >= 8)
node.async = false
}
// Convert existing expression atom to assignable pattern
// if possible.
lp.toAssignable = function(node, binding) {
if (!node || node.type == "Identifier" || (node.type == "MemberExpression" && !binding)) {
// Okay
} else if (node.type == "ParenthesizedExpression") {
node.expression = this.toAssignable(node.expression, binding)
} else if (this.options.ecmaVersion < 6) {
return this.dummyIdent()
} else if (node.type == "ObjectExpression") {
node.type = "ObjectPattern"
let props = node.properties
for (let i = 0; i < props.length; i++)
props[i].value = this.toAssignable(props[i].value, binding)
} else if (node.type == "ArrayExpression") {
node.type = "ArrayPattern"
this.toAssignableList(node.elements, binding)
} else if (node.type == "SpreadElement") {
node.type = "RestElement"
node.argument = this.toAssignable(node.argument, binding)
} else if (node.type == "AssignmentExpression") {
node.type = "AssignmentPattern"
delete node.operator
} else {
return this.dummyIdent()
}
return node
}
lp.toAssignableList = function(exprList, binding) {
for (let i = 0; i < exprList.length; i++)
exprList[i] = this.toAssignable(exprList[i], binding)
return exprList
}
lp.parseFunctionParams = function(params) {
params = this.parseExprList(tt.parenR)
return this.toAssignableList(params, true)
}
lp.parseMethod = function(isGenerator, isAsync) {
let node = this.startNode(), oldInAsync = this.inAsync
this.initFunction(node)
if (this.options.ecmaVersion >= 6)
node.generator = !!isGenerator
if (this.options.ecmaVersion >= 8)
node.async = !!isAsync
this.inAsync = node.async
node.params = this.parseFunctionParams()
node.expression = this.options.ecmaVersion >= 6 && this.tok.type !== tt.braceL
node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock()
this.inAsync = oldInAsync
return this.finishNode(node, "FunctionExpression")
}
lp.parseArrowExpression = function(node, params, isAsync) {
let oldInAsync = this.inAsync
this.initFunction(node)
if (this.options.ecmaVersion >= 8)
node.async = !!isAsync
this.inAsync = node.async
node.params = this.toAssignableList(params, true)
node.expression = this.tok.type !== tt.braceL
node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock()
this.inAsync = oldInAsync
return this.finishNode(node, "ArrowFunctionExpression")
}
lp.parseExprList = function(close, allowEmpty) {
this.pushCx()
let indent = this.curIndent, line = this.curLineStart, elts = []
this.next() // Opening bracket
while (!this.closes(close, indent + 1, line)) {
if (this.eat(tt.comma)) {
elts.push(allowEmpty ? null : this.dummyIdent())
continue
}
let elt = this.parseMaybeAssign()
if (isDummy(elt)) {
if (this.closes(close, indent, line)) break
this.next()
} else {
elts.push(elt)
}
this.eat(tt.comma)
}
this.popCx()
if (!this.eat(close)) {
// If there is no closing brace, make the node span to the start
// of the next token (this is useful for Tern)
this.last.end = this.tok.start
if (this.options.locations) this.last.loc.end = this.tok.loc.start
}
return elts
}
lp.parseAwait = function() {
let node = this.startNode()
this.next()
node.argument = this.parseMaybeUnary()
return this.finishNode(node, "AwaitExpression")
}

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@ -1,48 +0,0 @@
// Acorn: Loose parser
//
// This module provides an alternative parser (`parse_dammit`) that
// exposes that same interface as `parse`, but will try to parse
// anything as JavaScript, repairing syntax error the best it can.
// There are circumstances in which it will raise an error and give
// up, but they are very rare. The resulting AST will be a mostly
// valid JavaScript AST (as per the [Mozilla parser API][api], except
// that:
//
// - Return outside functions is allowed
//
// - Label consistency (no conflicts, break only to existing labels)
// is not enforced.
//
// - Bogus Identifier nodes with a name of `"✖"` are inserted whenever
// the parser got too confused to return anything meaningful.
//
// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
//
// The expected use for this is to *first* try `acorn.parse`, and only
// if that fails switch to `parse_dammit`. The loose parser might
// parse badly indented code incorrectly, so **don't** use it as
// your default parser.
//
// Quite a lot of acorn.js is duplicated here. The alternative was to
// add a *lot* of extra cruft to that file, making it less readable
// and slower. Copying and editing the code allowed me to make
// invasive changes and simplifications without creating a complicated
// tangle.
import {addLooseExports, defaultOptions} from "../index"
import {LooseParser, pluginsLoose} from "./state"
import "./tokenize"
import "./statement"
import "./expression"
export {LooseParser, pluginsLoose} from "./state"
defaultOptions.tabSize = 4
export function parse_dammit(input, options) {
let p = new LooseParser(input, options)
p.next()
return p.parseTopLevel()
}
addLooseExports(parse_dammit, LooseParser, pluginsLoose)

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@ -1 +0,0 @@
export function isDummy(node) { return node.name == "✖" }

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@ -1,161 +0,0 @@
import {tokenizer, SourceLocation, tokTypes as tt, Node, lineBreak, isNewLine} from "../index"
// Registered plugins
export const pluginsLoose = {}
export class LooseParser {
constructor(input, options = {}) {
this.toks = tokenizer(input, options)
this.options = this.toks.options
this.input = this.toks.input
this.tok = this.last = {type: tt.eof, start: 0, end: 0}
if (this.options.locations) {
let here = this.toks.curPosition()
this.tok.loc = new SourceLocation(this.toks, here, here)
}
this.ahead = [] // Tokens ahead
this.context = [] // Indentation contexted
this.curIndent = 0
this.curLineStart = 0
this.nextLineStart = this.lineEnd(this.curLineStart) + 1
this.inAsync = false
// Load plugins
this.options.pluginsLoose = options.pluginsLoose || {}
this.loadPlugins(this.options.pluginsLoose)
}
startNode() {
return new Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null)
}
storeCurrentPos() {
return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start
}
startNodeAt(pos) {
if (this.options.locations) {
return new Node(this.toks, pos[0], pos[1])
} else {
return new Node(this.toks, pos)
}
}
finishNode(node, type) {
node.type = type
node.end = this.last.end
if (this.options.locations)
node.loc.end = this.last.loc.end
if (this.options.ranges)
node.range[1] = this.last.end
return node
}
dummyNode(type) {
let dummy = this.startNode()
dummy.type = type
dummy.end = dummy.start
if (this.options.locations)
dummy.loc.end = dummy.loc.start
if (this.options.ranges)
dummy.range[1] = dummy.start
this.last = {type: tt.name, start: dummy.start, end: dummy.start, loc: dummy.loc}
return dummy
}
dummyIdent() {
let dummy = this.dummyNode("Identifier")
dummy.name = "✖"
return dummy
}
dummyString() {
let dummy = this.dummyNode("Literal")
dummy.value = dummy.raw = "✖"
return dummy
}
eat(type) {
if (this.tok.type === type) {
this.next()
return true
} else {
return false
}
}
isContextual(name) {
return this.tok.type === tt.name && this.tok.value === name
}
eatContextual(name) {
return this.tok.value === name && this.eat(tt.name)
}
canInsertSemicolon() {
return this.tok.type === tt.eof || this.tok.type === tt.braceR ||
lineBreak.test(this.input.slice(this.last.end, this.tok.start))
}
semicolon() {
return this.eat(tt.semi)
}
expect(type) {
if (this.eat(type)) return true
for (let i = 1; i <= 2; i++) {
if (this.lookAhead(i).type == type) {
for (let j = 0; j < i; j++) this.next()
return true
}
}
}
pushCx() {
this.context.push(this.curIndent)
}
popCx() {
this.curIndent = this.context.pop()
}
lineEnd(pos) {
while (pos < this.input.length && !isNewLine(this.input.charCodeAt(pos))) ++pos
return pos
}
indentationAfter(pos) {
for (let count = 0;; ++pos) {
let ch = this.input.charCodeAt(pos)
if (ch === 32) ++count
else if (ch === 9) count += this.options.tabSize
else return count
}
}
closes(closeTok, indent, line, blockHeuristic) {
if (this.tok.type === closeTok || this.tok.type === tt.eof) return true
return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() &&
(!blockHeuristic || this.nextLineStart >= this.input.length ||
this.indentationAfter(this.nextLineStart) < indent)
}
tokenStartsLine() {
for (let p = this.tok.start - 1; p >= this.curLineStart; --p) {
let ch = this.input.charCodeAt(p)
if (ch !== 9 && ch !== 32) return false
}
return true
}
extend(name, f) {
this[name] = f(this[name])
}
loadPlugins(pluginConfigs) {
for (let name in pluginConfigs) {
let plugin = pluginsLoose[name]
if (!plugin) throw new Error("Plugin '" + name + "' not found")
plugin(this, pluginConfigs[name])
}
}
}

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@ -1,450 +0,0 @@
import {LooseParser} from "./state"
import {isDummy} from "./parseutil"
import {getLineInfo, tokTypes as tt} from "../index"
const lp = LooseParser.prototype
lp.parseTopLevel = function() {
let node = this.startNodeAt(this.options.locations ? [0, getLineInfo(this.input, 0)] : 0)
node.body = []
while (this.tok.type !== tt.eof) node.body.push(this.parseStatement())
this.last = this.tok
if (this.options.ecmaVersion >= 6) {
node.sourceType = this.options.sourceType
}
return this.finishNode(node, "Program")
}
lp.parseStatement = function() {
let starttype = this.tok.type, node = this.startNode(), kind
if (this.toks.isLet()) {
starttype = tt._var
kind = "let"
}
switch (starttype) {
case tt._break: case tt._continue:
this.next()
let isBreak = starttype === tt._break
if (this.semicolon() || this.canInsertSemicolon()) {
node.label = null
} else {
node.label = this.tok.type === tt.name ? this.parseIdent() : null
this.semicolon()
}
return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")
case tt._debugger:
this.next()
this.semicolon()
return this.finishNode(node, "DebuggerStatement")
case tt._do:
this.next()
node.body = this.parseStatement()
node.test = this.eat(tt._while) ? this.parseParenExpression() : this.dummyIdent()
this.semicolon()
return this.finishNode(node, "DoWhileStatement")
case tt._for:
this.next()
this.pushCx()
this.expect(tt.parenL)
if (this.tok.type === tt.semi) return this.parseFor(node, null)
let isLet = this.toks.isLet()
if (isLet || this.tok.type === tt._var || this.tok.type === tt._const) {
let init = this.parseVar(true, isLet ? "let" : this.tok.value)
if (init.declarations.length === 1 && (this.tok.type === tt._in || this.isContextual("of"))) {
return this.parseForIn(node, init)
}
return this.parseFor(node, init)
}
let init = this.parseExpression(true)
if (this.tok.type === tt._in || this.isContextual("of"))
return this.parseForIn(node, this.toAssignable(init))
return this.parseFor(node, init)
case tt._function:
this.next()
return this.parseFunction(node, true)
case tt._if:
this.next()
node.test = this.parseParenExpression()
node.consequent = this.parseStatement()
node.alternate = this.eat(tt._else) ? this.parseStatement() : null
return this.finishNode(node, "IfStatement")
case tt._return:
this.next()
if (this.eat(tt.semi) || this.canInsertSemicolon()) node.argument = null
else { node.argument = this.parseExpression(); this.semicolon() }
return this.finishNode(node, "ReturnStatement")
case tt._switch:
let blockIndent = this.curIndent, line = this.curLineStart
this.next()
node.discriminant = this.parseParenExpression()
node.cases = []
this.pushCx()
this.expect(tt.braceL)
let cur
while (!this.closes(tt.braceR, blockIndent, line, true)) {
if (this.tok.type === tt._case || this.tok.type === tt._default) {
let isCase = this.tok.type === tt._case
if (cur) this.finishNode(cur, "SwitchCase")
node.cases.push(cur = this.startNode())
cur.consequent = []
this.next()
if (isCase) cur.test = this.parseExpression()
else cur.test = null
this.expect(tt.colon)
} else {
if (!cur) {
node.cases.push(cur = this.startNode())
cur.consequent = []
cur.test = null
}
cur.consequent.push(this.parseStatement())
}
}
if (cur) this.finishNode(cur, "SwitchCase")
this.popCx()
this.eat(tt.braceR)
return this.finishNode(node, "SwitchStatement")
case tt._throw:
this.next()
node.argument = this.parseExpression()
this.semicolon()
return this.finishNode(node, "ThrowStatement")
case tt._try:
this.next()
node.block = this.parseBlock()
node.handler = null
if (this.tok.type === tt._catch) {
let clause = this.startNode()
this.next()
this.expect(tt.parenL)
clause.param = this.toAssignable(this.parseExprAtom(), true)
this.expect(tt.parenR)
clause.body = this.parseBlock()
node.handler = this.finishNode(clause, "CatchClause")
}
node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null
if (!node.handler && !node.finalizer) return node.block
return this.finishNode(node, "TryStatement")
case tt._var:
case tt._const:
return this.parseVar(false, kind || this.tok.value)
case tt._while:
this.next()
node.test = this.parseParenExpression()
node.body = this.parseStatement()
return this.finishNode(node, "WhileStatement")
case tt._with:
this.next()
node.object = this.parseParenExpression()
node.body = this.parseStatement()
return this.finishNode(node, "WithStatement")
case tt.braceL:
return this.parseBlock()
case tt.semi:
this.next()
return this.finishNode(node, "EmptyStatement")
case tt._class:
return this.parseClass(true)
case tt._import:
return this.parseImport()
case tt._export:
return this.parseExport()
default:
if (this.toks.isAsyncFunction()) {
this.next()
this.next()
return this.parseFunction(node, true, true)
}
let expr = this.parseExpression()
if (isDummy(expr)) {
this.next()
if (this.tok.type === tt.eof) return this.finishNode(node, "EmptyStatement")
return this.parseStatement()
} else if (starttype === tt.name && expr.type === "Identifier" && this.eat(tt.colon)) {
node.body = this.parseStatement()
node.label = expr
return this.finishNode(node, "LabeledStatement")
} else {
node.expression = expr
this.semicolon()
return this.finishNode(node, "ExpressionStatement")
}
}
}
lp.parseBlock = function() {
let node = this.startNode()
this.pushCx()
this.expect(tt.braceL)
let blockIndent = this.curIndent, line = this.curLineStart
node.body = []
while (!this.closes(tt.braceR, blockIndent, line, true))
node.body.push(this.parseStatement())
this.popCx()
this.eat(tt.braceR)
return this.finishNode(node, "BlockStatement")
}
lp.parseFor = function(node, init) {
node.init = init
node.test = node.update = null
if (this.eat(tt.semi) && this.tok.type !== tt.semi) node.test = this.parseExpression()
if (this.eat(tt.semi) && this.tok.type !== tt.parenR) node.update = this.parseExpression()
this.popCx()
this.expect(tt.parenR)
node.body = this.parseStatement()
return this.finishNode(node, "ForStatement")
}
lp.parseForIn = function(node, init) {
let type = this.tok.type === tt._in ? "ForInStatement" : "ForOfStatement"
this.next()
node.left = init
node.right = this.parseExpression()
this.popCx()
this.expect(tt.parenR)
node.body = this.parseStatement()
return this.finishNode(node, type)
}
lp.parseVar = function(noIn, kind) {
let node = this.startNode()
node.kind = kind
this.next()
node.declarations = []
do {
let decl = this.startNode()
decl.id = this.options.ecmaVersion >= 6 ? this.toAssignable(this.parseExprAtom(), true) : this.parseIdent()
decl.init = this.eat(tt.eq) ? this.parseMaybeAssign(noIn) : null
node.declarations.push(this.finishNode(decl, "VariableDeclarator"))
} while (this.eat(tt.comma))
if (!node.declarations.length) {
let decl = this.startNode()
decl.id = this.dummyIdent()
node.declarations.push(this.finishNode(decl, "VariableDeclarator"))
}
if (!noIn) this.semicolon()
return this.finishNode(node, "VariableDeclaration")
}
lp.parseClass = function(isStatement) {
let node = this.startNode()
this.next()
if (isStatement == null) isStatement = this.tok.type === tt.name
if (this.tok.type === tt.name) node.id = this.parseIdent()
else if (isStatement) node.id = this.dummyIdent()
else node.id = null
node.superClass = this.eat(tt._extends) ? this.parseExpression() : null
node.body = this.startNode()
node.body.body = []
this.pushCx()
let indent = this.curIndent + 1, line = this.curLineStart
this.eat(tt.braceL)
if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart }
while (!this.closes(tt.braceR, indent, line)) {
if (this.semicolon()) continue
let method = this.startNode(), isGenerator, isAsync
if (this.options.ecmaVersion >= 6) {
method.static = false
isGenerator = this.eat(tt.star)
}
this.parsePropertyName(method)
if (isDummy(method.key)) { if (isDummy(this.parseMaybeAssign())) this.next(); this.eat(tt.comma); continue }
if (method.key.type === "Identifier" && !method.computed && method.key.name === "static" &&
(this.tok.type != tt.parenL && this.tok.type != tt.braceL)) {
method.static = true
isGenerator = this.eat(tt.star)
this.parsePropertyName(method)
} else {
method.static = false
}
if (!method.computed &&
method.key.type === "Identifier" && method.key.name === "async" && this.tok.type !== tt.parenL &&
!this.canInsertSemicolon()) {
this.parsePropertyName(method)
isAsync = true
} else {
isAsync = false
}
if (this.options.ecmaVersion >= 5 && method.key.type === "Identifier" &&
!method.computed && (method.key.name === "get" || method.key.name === "set") &&
this.tok.type !== tt.parenL && this.tok.type !== tt.braceL) {
method.kind = method.key.name
this.parsePropertyName(method)
method.value = this.parseMethod(false)
} else {
if (!method.computed && !method.static && !isGenerator && !isAsync && (
method.key.type === "Identifier" && method.key.name === "constructor" ||
method.key.type === "Literal" && method.key.value === "constructor")) {
method.kind = "constructor"
} else {
method.kind = "method"
}
method.value = this.parseMethod(isGenerator, isAsync)
}
node.body.body.push(this.finishNode(method, "MethodDefinition"))
}
this.popCx()
if (!this.eat(tt.braceR)) {
// If there is no closing brace, make the node span to the start
// of the next token (this is useful for Tern)
this.last.end = this.tok.start
if (this.options.locations) this.last.loc.end = this.tok.loc.start
}
this.semicolon()
this.finishNode(node.body, "ClassBody")
return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")
}
lp.parseFunction = function(node, isStatement, isAsync) {
let oldInAsync = this.inAsync
this.initFunction(node)
if (this.options.ecmaVersion >= 6) {
node.generator = this.eat(tt.star)
}
if (this.options.ecmaVersion >= 8) {
node.async = !!isAsync
}
if (isStatement == null) isStatement = this.tok.type === tt.name
if (this.tok.type === tt.name) node.id = this.parseIdent()
else if (isStatement) node.id = this.dummyIdent()
this.inAsync = node.async
node.params = this.parseFunctionParams()
node.body = this.parseBlock()
this.inAsync = oldInAsync
return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")
}
lp.parseExport = function() {
let node = this.startNode()
this.next()
if (this.eat(tt.star)) {
node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString()
return this.finishNode(node, "ExportAllDeclaration")
}
if (this.eat(tt._default)) {
// export default (function foo() {}) // This is FunctionExpression.
let isAsync
if (this.tok.type === tt._function || (isAsync = this.toks.isAsyncFunction())) {
let fNode = this.startNode()
this.next()
if (isAsync) this.next()
node.declaration = this.parseFunction(fNode, null, isAsync)
} else if (this.tok.type === tt._class) {
node.declaration = this.parseClass(null)
} else {
node.declaration = this.parseMaybeAssign()
this.semicolon()
}
return this.finishNode(node, "ExportDefaultDeclaration")
}
if (this.tok.type.keyword || this.toks.isLet() || this.toks.isAsyncFunction()) {
node.declaration = this.parseStatement()
node.specifiers = []
node.source = null
} else {
node.declaration = null
node.specifiers = this.parseExportSpecifierList()
node.source = this.eatContextual("from") ? this.parseExprAtom() : null
this.semicolon()
}
return this.finishNode(node, "ExportNamedDeclaration")
}
lp.parseImport = function() {
let node = this.startNode()
this.next()
if (this.tok.type === tt.string) {
node.specifiers = []
node.source = this.parseExprAtom()
node.kind = ''
} else {
let elt
if (this.tok.type === tt.name && this.tok.value !== "from") {
elt = this.startNode()
elt.local = this.parseIdent()
this.finishNode(elt, "ImportDefaultSpecifier")
this.eat(tt.comma)
}
node.specifiers = this.parseImportSpecifierList()
node.source = this.eatContextual("from") && this.tok.type == tt.string ? this.parseExprAtom() : this.dummyString()
if (elt) node.specifiers.unshift(elt)
}
this.semicolon()
return this.finishNode(node, "ImportDeclaration")
}
lp.parseImportSpecifierList = function() {
let elts = []
if (this.tok.type === tt.star) {
let elt = this.startNode()
this.next()
elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent()
elts.push(this.finishNode(elt, "ImportNamespaceSpecifier"))
} else {
let indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart
this.pushCx()
this.eat(tt.braceL)
if (this.curLineStart > continuedLine) continuedLine = this.curLineStart
while (!this.closes(tt.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {
let elt = this.startNode()
if (this.eat(tt.star)) {
elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent()
this.finishNode(elt, "ImportNamespaceSpecifier")
} else {
if (this.isContextual("from")) break
elt.imported = this.parseIdent()
if (isDummy(elt.imported)) break
elt.local = this.eatContextual("as") ? this.parseIdent() : elt.imported
this.finishNode(elt, "ImportSpecifier")
}
elts.push(elt)
this.eat(tt.comma)
}
this.eat(tt.braceR)
this.popCx()
}
return elts
}
lp.parseExportSpecifierList = function() {
let elts = []
let indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart
this.pushCx()
this.eat(tt.braceL)
if (this.curLineStart > continuedLine) continuedLine = this.curLineStart
while (!this.closes(tt.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {
if (this.isContextual("from")) break
let elt = this.startNode()
elt.local = this.parseIdent()
if (isDummy(elt.local)) break
elt.exported = this.eatContextual("as") ? this.parseIdent() : elt.local
this.finishNode(elt, "ExportSpecifier")
elts.push(elt)
this.eat(tt.comma)
}
this.eat(tt.braceR)
this.popCx()
return elts
}

View file

@ -1,108 +0,0 @@
import {tokTypes as tt, Token, isNewLine, SourceLocation, getLineInfo, lineBreakG} from "../index"
import {LooseParser} from "./state"
const lp = LooseParser.prototype
function isSpace(ch) {
return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || isNewLine(ch)
}
lp.next = function() {
this.last = this.tok
if (this.ahead.length)
this.tok = this.ahead.shift()
else
this.tok = this.readToken()
if (this.tok.start >= this.nextLineStart) {
while (this.tok.start >= this.nextLineStart) {
this.curLineStart = this.nextLineStart
this.nextLineStart = this.lineEnd(this.curLineStart) + 1
}
this.curIndent = this.indentationAfter(this.curLineStart)
}
}
lp.readToken = function() {
for (;;) {
try {
this.toks.next()
if (this.toks.type === tt.dot &&
this.input.substr(this.toks.end, 1) === "." &&
this.options.ecmaVersion >= 6) {
this.toks.end++
this.toks.type = tt.ellipsis
}
return new Token(this.toks)
} catch(e) {
if (!(e instanceof SyntaxError)) throw e
// Try to skip some text, based on the error message, and then continue
let msg = e.message, pos = e.raisedAt, replace = true
if (/unterminated/i.test(msg)) {
pos = this.lineEnd(e.pos + 1)
if (/string/.test(msg)) {
replace = {start: e.pos, end: pos, type: tt.string, value: this.input.slice(e.pos + 1, pos)}
} else if (/regular expr/i.test(msg)) {
let re = this.input.slice(e.pos, pos)
try { re = new RegExp(re) } catch(e) {}
replace = {start: e.pos, end: pos, type: tt.regexp, value: re}
} else if (/template/.test(msg)) {
replace = {start: e.pos, end: pos,
type: tt.template,
value: this.input.slice(e.pos, pos)}
} else {
replace = false
}
} else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) {
while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) ++pos
} else if (/character escape|expected hexadecimal/i.test(msg)) {
while (pos < this.input.length) {
let ch = this.input.charCodeAt(pos++)
if (ch === 34 || ch === 39 || isNewLine(ch)) break
}
} else if (/unexpected character/i.test(msg)) {
pos++
replace = false
} else if (/regular expression/i.test(msg)) {
replace = true
} else {
throw e
}
this.resetTo(pos)
if (replace === true) replace = {start: pos, end: pos, type: tt.name, value: "✖"}
if (replace) {
if (this.options.locations)
replace.loc = new SourceLocation(
this.toks,
getLineInfo(this.input, replace.start),
getLineInfo(this.input, replace.end))
return replace
}
}
}
}
lp.resetTo = function(pos) {
this.toks.pos = pos
let ch = this.input.charAt(pos - 1)
this.toks.exprAllowed = !ch || /[\[\{\(,;:?\/*=+\-~!|&%^<>]/.test(ch) ||
/[enwfd]/.test(ch) &&
/\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos))
if (this.options.locations) {
this.toks.curLine = 1
this.toks.lineStart = lineBreakG.lastIndex = 0
let match
while ((match = lineBreakG.exec(this.input)) && match.index < pos) {
++this.toks.curLine
this.toks.lineStart = match.index + match[0].length
}
}
}
lp.lookAhead = function(n) {
while (n > this.ahead.length)
this.ahead.push(this.readToken())
return this.ahead[n - 1]
}

View file

@ -1,219 +0,0 @@
import {types as tt} from "./tokentype"
import {Parser} from "./state"
import {has} from "./util"
const pp = Parser.prototype
// Convert existing expression atom to assignable pattern
// if possible.
pp.toAssignable = function(node, isBinding) {
if (this.options.ecmaVersion >= 6 && node) {
switch (node.type) {
case "Identifier":
if (this.inAsync && node.name === "await")
this.raise(node.start, "Can not use 'await' as identifier inside an async function")
break
case "ObjectPattern":
case "ArrayPattern":
break
case "ObjectExpression":
node.type = "ObjectPattern"
for (let i = 0; i < node.properties.length; i++) {
let prop = node.properties[i]
if (prop.kind !== "init") this.raise(prop.key.start, "Object pattern can't contain getter or setter")
this.toAssignable(prop.value, isBinding)
}
break
case "ArrayExpression":
node.type = "ArrayPattern"
this.toAssignableList(node.elements, isBinding)
break
case "AssignmentExpression":
if (node.operator === "=") {
node.type = "AssignmentPattern"
delete node.operator
this.toAssignable(node.left, isBinding)
// falls through to AssignmentPattern
} else {
this.raise(node.left.end, "Only '=' operator can be used for specifying default value.")
break
}
case "AssignmentPattern":
break
case "ParenthesizedExpression":
node.expression = this.toAssignable(node.expression, isBinding)
break
case "MemberExpression":
if (!isBinding) break
default:
this.raise(node.start, "Assigning to rvalue")
}
}
return node
}
// Convert list of expression atoms to binding list.
pp.toAssignableList = function(exprList, isBinding) {
let end = exprList.length
if (end) {
let last = exprList[end - 1]
if (last && last.type == "RestElement") {
--end
} else if (last && last.type == "SpreadElement") {
last.type = "RestElement"
let arg = last.argument
this.toAssignable(arg, isBinding)
if (arg.type !== "Identifier" && arg.type !== "MemberExpression" && arg.type !== "ArrayPattern")
this.unexpected(arg.start)
--end
}
if (isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier")
this.unexpected(last.argument.start)
}
for (let i = 0; i < end; i++) {
let elt = exprList[i]
if (elt) this.toAssignable(elt, isBinding)
}
return exprList
}
// Parses spread element.
pp.parseSpread = function(refDestructuringErrors) {
let node = this.startNode()
this.next()
node.argument = this.parseMaybeAssign(false, refDestructuringErrors)
return this.finishNode(node, "SpreadElement")
}
pp.parseRest = function(allowNonIdent) {
let node = this.startNode()
this.next()
// RestElement inside of a function parameter must be an identifier
if (allowNonIdent) node.argument = this.type === tt.name ? this.parseIdent() : this.unexpected()
else node.argument = this.type === tt.name || this.type === tt.bracketL ? this.parseBindingAtom() : this.unexpected()
return this.finishNode(node, "RestElement")
}
// Parses lvalue (assignable) atom.
pp.parseBindingAtom = function() {
if (this.options.ecmaVersion < 6) return this.parseIdent()
switch (this.type) {
case tt.name:
return this.parseIdent()
case tt.bracketL:
let node = this.startNode()
this.next()
node.elements = this.parseBindingList(tt.bracketR, true, true)
return this.finishNode(node, "ArrayPattern")
case tt.braceL:
return this.parseObj(true)
default:
this.unexpected()
}
}
pp.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowNonIdent) {
let elts = [], first = true
while (!this.eat(close)) {
if (first) first = false
else this.expect(tt.comma)
if (allowEmpty && this.type === tt.comma) {
elts.push(null)
} else if (allowTrailingComma && this.afterTrailingComma(close)) {
break
} else if (this.type === tt.ellipsis) {
let rest = this.parseRest(allowNonIdent)
this.parseBindingListItem(rest)
elts.push(rest)
if (this.type === tt.comma) this.raise(this.start, "Comma is not permitted after the rest element")
this.expect(close)
break
} else {
let elem = this.parseMaybeDefault(this.start, this.startLoc)
this.parseBindingListItem(elem)
elts.push(elem)
}
}
return elts
}
pp.parseBindingListItem = function(param) {
return param
}
// Parses assignment pattern around given atom if possible.
pp.parseMaybeDefault = function(startPos, startLoc, left) {
left = left || this.parseBindingAtom()
if (this.options.ecmaVersion < 6 || !this.eat(tt.eq)) return left
let node = this.startNodeAt(startPos, startLoc)
node.left = left
node.right = this.parseMaybeAssign()
return this.finishNode(node, "AssignmentPattern")
}
// Verify that a node is an lval — something that can be assigned
// to.
pp.checkLVal = function(expr, isBinding, checkClashes) {
switch (expr.type) {
case "Identifier":
if (this.strict && this.reservedWordsStrictBind.test(expr.name))
this.raiseRecoverable(expr.start, (isBinding ? "Binding " : "Assigning to ") + expr.name + " in strict mode")
if (checkClashes) {
if (has(checkClashes, expr.name))
this.raiseRecoverable(expr.start, "Argument name clash")
checkClashes[expr.name] = true
}
break
case "MemberExpression":
if (isBinding) this.raiseRecoverable(expr.start, (isBinding ? "Binding" : "Assigning to") + " member expression")
break
case "ObjectPattern":
for (let i = 0; i < expr.properties.length; i++)
this.checkLVal(expr.properties[i].value, isBinding, checkClashes)
break
case "ArrayPattern":
for (let i = 0; i < expr.elements.length; i++) {
let elem = expr.elements[i]
if (elem) this.checkLVal(elem, isBinding, checkClashes)
}
break
case "AssignmentPattern":
this.checkLVal(expr.left, isBinding, checkClashes)
break
case "RestElement":
this.checkLVal(expr.argument, isBinding, checkClashes)
break
case "ParenthesizedExpression":
this.checkLVal(expr.expression, isBinding, checkClashes)
break
default:
this.raise(expr.start, (isBinding ? "Binding" : "Assigning to") + " rvalue")
}
}

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import {Parser} from "./state"
import {SourceLocation} from "./locutil"
export class Node {
constructor(parser, pos, loc) {
this.type = ""
this.start = pos
this.end = 0
if (parser.options.locations)
this.loc = new SourceLocation(parser, loc)
if (parser.options.directSourceFile)
this.sourceFile = parser.options.directSourceFile
if (parser.options.ranges)
this.range = [pos, 0]
}
}
// Start an AST node, attaching a start offset.
const pp = Parser.prototype
pp.startNode = function() {
return new Node(this, this.start, this.startLoc)
}
pp.startNodeAt = function(pos, loc) {
return new Node(this, pos, loc)
}
// Finish an AST node, adding `type` and `end` properties.
function finishNodeAt(node, type, pos, loc) {
node.type = type
node.end = pos
if (this.options.locations)
node.loc.end = loc
if (this.options.ranges)
node.range[1] = pos
return node
}
pp.finishNode = function(node, type) {
return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)
}
// Finish node at given position
pp.finishNodeAt = function(node, type, pos, loc) {
return finishNodeAt.call(this, node, type, pos, loc)
}

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import {has, isArray} from "./util"
import {SourceLocation} from "./locutil"
// A second optional argument can be given to further configure
// the parser process. These options are recognized:
export const defaultOptions = {
// `ecmaVersion` indicates the ECMAScript version to parse. Must
// be either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support
// for strict mode, the set of reserved words, and support for
// new syntax features. The default is 7.
ecmaVersion: 7,
// `sourceType` indicates 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.
sourceType: "script",
// `onInsertedSemicolon` can be a callback that will be called
// when a semicolon is automatically inserted. It will be passed
// th position of the comma as an offset, and if `locations` is
// enabled, it is given the location as a `{line, column}` object
// as second argument.
onInsertedSemicolon: null,
// `onTrailingComma` is similar to `onInsertedSemicolon`, but for
// trailing commas.
onTrailingComma: null,
// By default, reserved words are only enforced if ecmaVersion >= 5.
// Set `allowReserved` to a boolean value to explicitly turn this on
// an off. When this option has the value "never", reserved words
// and keywords can also not be used as property names.
allowReserved: null,
// When enabled, a return at the top level is not considered an
// error.
allowReturnOutsideFunction: false,
// When enabled, import/export statements are not constrained to
// appearing at the top of the program.
allowImportExportEverywhere: false,
// When enabled, hashbang directive in the beginning of file
// is allowed and treated as a line comment.
allowHashBang: false,
// When `locations` is on, `loc` properties holding objects with
// `start` and `end` properties in `{line, column}` form (with
// line being 1-based and column 0-based) will be attached to the
// nodes.
locations: false,
// A function can be passed as `onToken` option, which will
// cause Acorn to call that function with object in the same
// format as tokens returned from `tokenizer().getToken()`. Note
// that you are not allowed to call the parser from the
// callback—that will corrupt its internal state.
onToken: null,
// A function can be passed as `onComment` option, which will
// cause Acorn to call that function with `(block, text, start,
// end)` parameters whenever a comment is skipped. `block` is a
// boolean indicating whether this is a block (`/* */`) comment,
// `text` is the content of the comment, and `start` and `end` are
// character offsets that denote the start and end of the comment.
// When the `locations` option is on, two more parameters are
// passed, the full `{line, column}` locations of the start and
// end of the comments. Note that you are not allowed to call the
// parser from the callback—that will corrupt its internal state.
onComment: null,
// 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][range] `range` property holding a `[start,
// end]` array with the same numbers, set the `ranges` option to
// `true`.
//
// [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
ranges: false,
// It is possible to parse multiple files into a single AST by
// passing the tree produced by parsing the first file as
// `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.
program: null,
// When `locations` is on, you can pass this to record the source
// file in every node's `loc` object.
sourceFile: null,
// This value, if given, is stored in every node, whether
// `locations` is on or off.
directSourceFile: null,
// When enabled, parenthesized expressions are represented by
// (non-standard) ParenthesizedExpression nodes
preserveParens: false,
plugins: {}
}
// Interpret and default an options object
export function getOptions(opts) {
let options = {}
for (let opt in defaultOptions)
options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]
if (options.ecmaVersion >= 2015)
options.ecmaVersion -= 2009
if (options.allowReserved == null)
options.allowReserved = options.ecmaVersion < 5
if (isArray(options.onToken)) {
let tokens = options.onToken
options.onToken = (token) => tokens.push(token)
}
if (isArray(options.onComment))
options.onComment = pushComment(options, options.onComment)
return options
}
function pushComment(options, array) {
return function (block, text, start, end, startLoc, endLoc) {
let comment = {
type: block ? 'Block' : 'Line',
value: text,
start: start,
end: end
}
if (options.locations)
comment.loc = new SourceLocation(this, startLoc, endLoc)
if (options.ranges)
comment.range = [start, end]
array.push(comment)
}
}

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import {types as tt} from "./tokentype"
import {Parser} from "./state"
import {lineBreak, skipWhiteSpace} from "./whitespace"
const pp = Parser.prototype
// ## Parser utilities
const literal = /^(?:'((?:[^\']|\.)*)'|"((?:[^\"]|\.)*)"|;)/
pp.strictDirective = function(start) {
for (;;) {
skipWhiteSpace.lastIndex = start
start += skipWhiteSpace.exec(this.input)[0].length
let match = literal.exec(this.input.slice(start))
if (!match) return false
if ((match[1] || match[2]) == "use strict") return true
start += match[0].length
}
}
// Predicate that tests whether the next token is of the given
// type, and if yes, consumes it as a side effect.
pp.eat = function(type) {
if (this.type === type) {
this.next()
return true
} else {
return false
}
}
// Tests whether parsed token is a contextual keyword.
pp.isContextual = function(name) {
return this.type === tt.name && this.value === name
}
// Consumes contextual keyword if possible.
pp.eatContextual = function(name) {
return this.value === name && this.eat(tt.name)
}
// Asserts that following token is given contextual keyword.
pp.expectContextual = function(name) {
if (!this.eatContextual(name)) this.unexpected()
}
// Test whether a semicolon can be inserted at the current position.
pp.canInsertSemicolon = function() {
return this.type === tt.eof ||
this.type === tt.braceR ||
lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
}
pp.insertSemicolon = function() {
if (this.canInsertSemicolon()) {
if (this.options.onInsertedSemicolon)
this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc)
return true
}
}
// Consume a semicolon, or, failing that, see if we are allowed to
// pretend that there is a semicolon at this position.
pp.semicolon = function() {
if (!this.eat(tt.semi) && !this.insertSemicolon()) this.unexpected()
}
pp.afterTrailingComma = function(tokType, notNext) {
if (this.type == tokType) {
if (this.options.onTrailingComma)
this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc)
if (!notNext)
this.next()
return true
}
}
// Expect a token of a given type. If found, consume it, otherwise,
// raise an unexpected token error.
pp.expect = function(type) {
this.eat(type) || this.unexpected()
}
// Raise an unexpected token error.
pp.unexpected = function(pos) {
this.raise(pos != null ? pos : this.start, "Unexpected token")
}
export class DestructuringErrors {
constructor() {
this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = -1
}
}
pp.checkPatternErrors = function(refDestructuringErrors, isAssign) {
if (!refDestructuringErrors) return
if (refDestructuringErrors.trailingComma > -1)
this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element")
let parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind
if (parens > -1) this.raiseRecoverable(parens, "Parenthesized pattern")
}
pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) {
let pos = refDestructuringErrors ? refDestructuringErrors.shorthandAssign : -1
if (!andThrow) return pos >= 0
if (pos > -1) this.raise(pos, "Shorthand property assignments are valid only in destructuring patterns")
}
pp.checkYieldAwaitInDefaultParams = function() {
if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))
this.raise(this.yieldPos, "Yield expression cannot be a default value")
if (this.awaitPos)
this.raise(this.awaitPos, "Await expression cannot be a default value")
}
pp.isSimpleAssignTarget = function(expr) {
if (expr.type === "ParenthesizedExpression")
return this.isSimpleAssignTarget(expr.expression)
return expr.type === "Identifier" || expr.type === "MemberExpression"
}

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import {reservedWords, keywords} from "./identifier"
import {types as tt} from "./tokentype"
import {lineBreak} from "./whitespace"
import {getOptions} from "./options"
// Registered plugins
export const plugins = {}
function keywordRegexp(words) {
return new RegExp("^(" + words.replace(/ /g, "|") + ")$")
}
export class Parser {
constructor(options, input, startPos) {
this.options = options = getOptions(options)
this.sourceFile = options.sourceFile
this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5])
let reserved = ""
if (!options.allowReserved) {
for (let v = options.ecmaVersion;; v--)
if (reserved = reservedWords[v]) break
if (options.sourceType == "module") reserved += " await"
}
this.reservedWords = keywordRegexp(reserved)
let reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict
this.reservedWordsStrict = keywordRegexp(reservedStrict)
this.reservedWordsStrictBind = keywordRegexp(reservedStrict + " " + reservedWords.strictBind)
this.input = String(input)
// Used to signal to callers of `readWord1` whether the word
// contained any escape sequences. This is needed because words with
// escape sequences must not be interpreted as keywords.
this.containsEsc = false
// Load plugins
this.loadPlugins(options.plugins)
// Set up token state
// The current position of the tokenizer in the input.
if (startPos) {
this.pos = startPos
this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1
this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length
} else {
this.pos = this.lineStart = 0
this.curLine = 1
}
// Properties of the current token:
// Its type
this.type = tt.eof
// For tokens that include more information than their type, the value
this.value = null
// Its start and end offset
this.start = this.end = this.pos
// And, if locations are used, the {line, column} object
// corresponding to those offsets
this.startLoc = this.endLoc = this.curPosition()
// Position information for the previous token
this.lastTokEndLoc = this.lastTokStartLoc = null
this.lastTokStart = this.lastTokEnd = this.pos
// The context stack is used to superficially track syntactic
// context to predict whether a regular expression is allowed in a
// given position.
this.context = this.initialContext()
this.exprAllowed = true
// Figure out if it's a module code.
this.inModule = options.sourceType === "module"
this.strict = this.inModule || this.strictDirective(this.pos)
// Used to signify the start of a potential arrow function
this.potentialArrowAt = -1
// Flags to track whether we are in a function, a generator, an async function.
this.inFunction = this.inGenerator = this.inAsync = false
// Positions to delayed-check that yield/await does not exist in default parameters.
this.yieldPos = this.awaitPos = 0
// Labels in scope.
this.labels = []
// If enabled, skip leading hashbang line.
if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === '#!')
this.skipLineComment(2)
}
// DEPRECATED Kept for backwards compatibility until 3.0 in case a plugin uses them
isKeyword(word) { return this.keywords.test(word) }
isReservedWord(word) { return this.reservedWords.test(word) }
extend(name, f) {
this[name] = f(this[name])
}
loadPlugins(pluginConfigs) {
for (let name in pluginConfigs) {
let plugin = plugins[name]
if (!plugin) throw new Error("Plugin '" + name + "' not found")
plugin(this, pluginConfigs[name])
}
}
parse() {
let node = this.options.program || this.startNode()
this.nextToken()
return this.parseTopLevel(node)
}
}

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import {types as tt} from "./tokentype"
import {Parser} from "./state"
import {lineBreak, skipWhiteSpace} from "./whitespace"
import {isIdentifierStart, isIdentifierChar} from "./identifier"
import {DestructuringErrors} from "./parseutil"
const pp = Parser.prototype
// ### Statement parsing
// Parse a program. Initializes the parser, reads any number of
// statements, and wraps them in a Program node. Optionally takes a
// `program` argument. If present, the statements will be appended
// to its body instead of creating a new node.
pp.parseTopLevel = function(node) {
let exports = {}
if (!node.body) node.body = []
while (this.type !== tt.eof) {
let stmt = this.parseStatement(true, true, exports)
node.body.push(stmt)
}
this.next()
if (this.options.ecmaVersion >= 6) {
node.sourceType = this.options.sourceType
}
return this.finishNode(node, "Program")
}
const loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}
pp.isLet = function() {
if (this.type !== tt.name || this.options.ecmaVersion < 6 || this.value != "let") return false
skipWhiteSpace.lastIndex = this.pos
let skip = skipWhiteSpace.exec(this.input)
let next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next)
if (nextCh === 91 || nextCh == 123) return true // '{' and '['
if (isIdentifierStart(nextCh, true)) {
for (var pos = next + 1; isIdentifierChar(this.input.charCodeAt(pos), true); ++pos) {}
let ident = this.input.slice(next, pos)
if (!this.isKeyword(ident)) return true
}
return false
}
// check 'async [no LineTerminator here] function'
// - 'async /*foo*/ function' is OK.
// - 'async /*\n*/ function' is invalid.
pp.isAsyncFunction = function() {
if (this.type !== tt.name || this.options.ecmaVersion < 8 || this.value != "async")
return false
skipWhiteSpace.lastIndex = this.pos
let skip = skipWhiteSpace.exec(this.input)
let next = this.pos + skip[0].length
return !lineBreak.test(this.input.slice(this.pos, next)) &&
this.input.slice(next, next + 8) === "function" &&
(next + 8 == this.input.length || !isIdentifierChar(this.input.charAt(next + 8)))
}
// Parse a single statement.
//
// If expecting a statement and finding a slash operator, parse a
// regular expression literal. This is to handle cases like
// `if (foo) /blah/.exec(foo)`, where looking at the previous token
// does not help.
pp.parseStatement = function(declaration, topLevel, exports) {
let starttype = this.type, node = this.startNode(), kind
if (this.isLet()) {
starttype = tt._var
kind = "let"
}
// Most types of statements are recognized by the keyword they
// start with. Many are trivial to parse, some require a bit of
// complexity.
switch (starttype) {
case tt._break: case tt._continue: return this.parseBreakContinueStatement(node, starttype.keyword)
case tt._debugger: return this.parseDebuggerStatement(node)
case tt._do: return this.parseDoStatement(node)
case tt._for: return this.parseForStatement(node)
case tt._function:
if (!declaration && this.options.ecmaVersion >= 6) this.unexpected()
return this.parseFunctionStatement(node, false)
case tt._class:
if (!declaration) this.unexpected()
return this.parseClass(node, true)
case tt._if: return this.parseIfStatement(node)
case tt._return: return this.parseReturnStatement(node)
case tt._switch: return this.parseSwitchStatement(node)
case tt._throw: return this.parseThrowStatement(node)
case tt._try: return this.parseTryStatement(node)
case tt._const: case tt._var:
kind = kind || this.value
if (!declaration && kind != "var") this.unexpected()
return this.parseVarStatement(node, kind)
case tt._while: return this.parseWhileStatement(node)
case tt._with: return this.parseWithStatement(node)
case tt.braceL: return this.parseBlock()
case tt.semi: return this.parseEmptyStatement(node)
case tt._export:
case tt._import:
if (!this.options.allowImportExportEverywhere) {
if (!topLevel)
this.raise(this.start, "'import' and 'export' may only appear at the top level")
if (!this.inModule)
this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'")
}
return starttype === tt._import ? this.parseImport(node) : this.parseExport(node, exports)
// If the statement does not start with a statement keyword or a
// brace, it's an ExpressionStatement or LabeledStatement. We
// simply start parsing an expression, and afterwards, if the
// next token is a colon and the expression was a simple
// Identifier node, we switch to interpreting it as a label.
default:
if (this.isAsyncFunction() && declaration) {
this.next()
return this.parseFunctionStatement(node, true)
}
let maybeName = this.value, expr = this.parseExpression()
if (starttype === tt.name && expr.type === "Identifier" && this.eat(tt.colon))
return this.parseLabeledStatement(node, maybeName, expr)
else return this.parseExpressionStatement(node, expr)
}
}
pp.parseBreakContinueStatement = function(node, keyword) {
let isBreak = keyword == "break"
this.next()
if (this.eat(tt.semi) || this.insertSemicolon()) node.label = null
else if (this.type !== tt.name) this.unexpected()
else {
node.label = this.parseIdent()
this.semicolon()
}
// Verify that there is an actual destination to break or
// continue to.
for (var i = 0; i < this.labels.length; ++i) {
let lab = this.labels[i]
if (node.label == null || lab.name === node.label.name) {
if (lab.kind != null && (isBreak || lab.kind === "loop")) break
if (node.label && isBreak) break
}
}
if (i === this.labels.length) this.raise(node.start, "Unsyntactic " + keyword)
return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")
}
pp.parseDebuggerStatement = function(node) {
this.next()
this.semicolon()
return this.finishNode(node, "DebuggerStatement")
}
pp.parseDoStatement = function(node) {
this.next()
this.labels.push(loopLabel)
node.body = this.parseStatement(false)
this.labels.pop()
this.expect(tt._while)
node.test = this.parseParenExpression()
if (this.options.ecmaVersion >= 6)
this.eat(tt.semi)
else
this.semicolon()
return this.finishNode(node, "DoWhileStatement")
}
// Disambiguating between a `for` and a `for`/`in` or `for`/`of`
// loop is non-trivial. Basically, we have to parse the init `var`
// statement or expression, disallowing the `in` operator (see
// the second parameter to `parseExpression`), and then check
// whether the next token is `in` or `of`. When there is no init
// part (semicolon immediately after the opening parenthesis), it
// is a regular `for` loop.
pp.parseForStatement = function(node) {
this.next()
this.labels.push(loopLabel)
this.expect(tt.parenL)
if (this.type === tt.semi) return this.parseFor(node, null)
let isLet = this.isLet()
if (this.type === tt._var || this.type === tt._const || isLet) {
let init = this.startNode(), kind = isLet ? "let" : this.value
this.next()
this.parseVar(init, true, kind)
this.finishNode(init, "VariableDeclaration")
if ((this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init.declarations.length === 1 &&
!(kind !== "var" && init.declarations[0].init))
return this.parseForIn(node, init)
return this.parseFor(node, init)
}
let refDestructuringErrors = new DestructuringErrors
let init = this.parseExpression(true, refDestructuringErrors)
if (this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) {
this.toAssignable(init)
this.checkLVal(init)
this.checkPatternErrors(refDestructuringErrors, true)
return this.parseForIn(node, init)
} else {
this.checkExpressionErrors(refDestructuringErrors, true)
}
return this.parseFor(node, init)
}
pp.parseFunctionStatement = function(node, isAsync) {
this.next()
return this.parseFunction(node, true, false, isAsync)
}
pp.isFunction = function() {
return this.type === tt._function || this.isAsyncFunction()
}
pp.parseIfStatement = function(node) {
this.next()
node.test = this.parseParenExpression()
// allow function declarations in branches, but only in non-strict mode
node.consequent = this.parseStatement(!this.strict && this.isFunction())
node.alternate = this.eat(tt._else) ? this.parseStatement(!this.strict && this.isFunction()) : null
return this.finishNode(node, "IfStatement")
}
pp.parseReturnStatement = function(node) {
if (!this.inFunction && !this.options.allowReturnOutsideFunction)
this.raise(this.start, "'return' outside of function")
this.next()
// In `return` (and `break`/`continue`), the keywords with
// optional arguments, we eagerly look for a semicolon or the
// possibility to insert one.
if (this.eat(tt.semi) || this.insertSemicolon()) node.argument = null
else { node.argument = this.parseExpression(); this.semicolon() }
return this.finishNode(node, "ReturnStatement")
}
pp.parseSwitchStatement = function(node) {
this.next()
node.discriminant = this.parseParenExpression()
node.cases = []
this.expect(tt.braceL)
this.labels.push(switchLabel)
// Statements under must be grouped (by label) in SwitchCase
// nodes. `cur` is used to keep the node that we are currently
// adding statements to.
for (var cur, sawDefault = false; this.type != tt.braceR;) {
if (this.type === tt._case || this.type === tt._default) {
let isCase = this.type === tt._case
if (cur) this.finishNode(cur, "SwitchCase")
node.cases.push(cur = this.startNode())
cur.consequent = []
this.next()
if (isCase) {
cur.test = this.parseExpression()
} else {
if (sawDefault) this.raiseRecoverable(this.lastTokStart, "Multiple default clauses")
sawDefault = true
cur.test = null
}
this.expect(tt.colon)
} else {
if (!cur) this.unexpected()
cur.consequent.push(this.parseStatement(true))
}
}
if (cur) this.finishNode(cur, "SwitchCase")
this.next() // Closing brace
this.labels.pop()
return this.finishNode(node, "SwitchStatement")
}
pp.parseThrowStatement = function(node) {
this.next()
if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start)))
this.raise(this.lastTokEnd, "Illegal newline after throw")
node.argument = this.parseExpression()
this.semicolon()
return this.finishNode(node, "ThrowStatement")
}
// Reused empty array added for node fields that are always empty.
const empty = []
pp.parseTryStatement = function(node) {
this.next()
node.block = this.parseBlock()
node.handler = null
if (this.type === tt._catch) {
let clause = this.startNode()
this.next()
this.expect(tt.parenL)
clause.param = this.parseBindingAtom()
this.checkLVal(clause.param, true)
this.expect(tt.parenR)
clause.body = this.parseBlock()
node.handler = this.finishNode(clause, "CatchClause")
}
node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null
if (!node.handler && !node.finalizer)
this.raise(node.start, "Missing catch or finally clause")
return this.finishNode(node, "TryStatement")
}
pp.parseVarStatement = function(node, kind) {
this.next()
this.parseVar(node, false, kind)
this.semicolon()
return this.finishNode(node, "VariableDeclaration")
}
pp.parseWhileStatement = function(node) {
this.next()
node.test = this.parseParenExpression()
this.labels.push(loopLabel)
node.body = this.parseStatement(false)
this.labels.pop()
return this.finishNode(node, "WhileStatement")
}
pp.parseWithStatement = function(node) {
if (this.strict) this.raise(this.start, "'with' in strict mode")
this.next()
node.object = this.parseParenExpression()
node.body = this.parseStatement(false)
return this.finishNode(node, "WithStatement")
}
pp.parseEmptyStatement = function(node) {
this.next()
return this.finishNode(node, "EmptyStatement")
}
pp.parseLabeledStatement = function(node, maybeName, expr) {
for (let i = 0; i < this.labels.length; ++i)
if (this.labels[i].name === maybeName) this.raise(expr.start, "Label '" + maybeName + "' is already declared")
let kind = this.type.isLoop ? "loop" : this.type === tt._switch ? "switch" : null
for (let i = this.labels.length - 1; i >= 0; i--) {
let label = this.labels[i]
if (label.statementStart == node.start) {
label.statementStart = this.start
label.kind = kind
} else break
}
this.labels.push({name: maybeName, kind: kind, statementStart: this.start})
node.body = this.parseStatement(true)
if (node.body.type == "ClassDeclaration" ||
node.body.type == "VariableDeclaration" && (this.strict || node.body.kind != "var") ||
node.body.type == "FunctionDeclaration" && (this.strict || node.body.generator))
this.raiseRecoverable(node.body.start, "Invalid labeled declaration")
this.labels.pop()
node.label = expr
return this.finishNode(node, "LabeledStatement")
}
pp.parseExpressionStatement = function(node, expr) {
node.expression = expr
this.semicolon()
return this.finishNode(node, "ExpressionStatement")
}
// Parse a semicolon-enclosed block of statements, handling `"use
// strict"` declarations when `allowStrict` is true (used for
// function bodies).
pp.parseBlock = function() {
let node = this.startNode()
node.body = []
this.expect(tt.braceL)
while (!this.eat(tt.braceR)) {
let stmt = this.parseStatement(true)
node.body.push(stmt)
}
return this.finishNode(node, "BlockStatement")
}
// Parse a regular `for` loop. The disambiguation code in
// `parseStatement` will already have parsed the init statement or
// expression.
pp.parseFor = function(node, init) {
node.init = init
this.expect(tt.semi)
node.test = this.type === tt.semi ? null : this.parseExpression()
this.expect(tt.semi)
node.update = this.type === tt.parenR ? null : this.parseExpression()
this.expect(tt.parenR)
node.body = this.parseStatement(false)
this.labels.pop()
return this.finishNode(node, "ForStatement")
}
// Parse a `for`/`in` and `for`/`of` loop, which are almost
// same from parser's perspective.
pp.parseForIn = function(node, init) {
let type = this.type === tt._in ? "ForInStatement" : "ForOfStatement"
this.next()
node.left = init
node.right = this.parseExpression()
this.expect(tt.parenR)
node.body = this.parseStatement(false)
this.labels.pop()
return this.finishNode(node, type)
}
// Parse a list of variable declarations.
pp.parseVar = function(node, isFor, kind) {
node.declarations = []
node.kind = kind
for (;;) {
let decl = this.startNode()
this.parseVarId(decl)
if (this.eat(tt.eq)) {
decl.init = this.parseMaybeAssign(isFor)
} else if (kind === "const" && !(this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) {
this.unexpected()
} else if (decl.id.type != "Identifier" && !(isFor && (this.type === tt._in || this.isContextual("of")))) {
this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value")
} else {
decl.init = null
}
node.declarations.push(this.finishNode(decl, "VariableDeclarator"))
if (!this.eat(tt.comma)) break
}
return node
}
pp.parseVarId = function(decl) {
decl.id = this.parseBindingAtom()
this.checkLVal(decl.id, true)
}
// Parse a function declaration or literal (depending on the
// `isStatement` parameter).
pp.parseFunction = function(node, isStatement, allowExpressionBody, isAsync) {
this.initFunction(node)
if (this.options.ecmaVersion >= 6 && !isAsync)
node.generator = this.eat(tt.star)
if (this.options.ecmaVersion >= 8)
node.async = !!isAsync
if (isStatement == null)
isStatement = this.type == tt.name
if (isStatement)
node.id = this.parseIdent()
let oldInGen = this.inGenerator, oldInAsync = this.inAsync,
oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction
this.inGenerator = node.generator
this.inAsync = node.async
this.yieldPos = 0
this.awaitPos = 0
this.inFunction = true
if (!isStatement && this.type === tt.name)
node.id = this.parseIdent()
this.parseFunctionParams(node)
this.parseFunctionBody(node, allowExpressionBody)
this.inGenerator = oldInGen
this.inAsync = oldInAsync
this.yieldPos = oldYieldPos
this.awaitPos = oldAwaitPos
this.inFunction = oldInFunc
return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")
}
pp.parseFunctionParams = function(node) {
this.expect(tt.parenL)
node.params = this.parseBindingList(tt.parenR, false, this.options.ecmaVersion >= 8, true)
this.checkYieldAwaitInDefaultParams()
}
// Parse a class declaration or literal (depending on the
// `isStatement` parameter).
pp.parseClass = function(node, isStatement) {
this.next()
if (isStatement == null) isStatement = this.type === tt.name
this.parseClassId(node, isStatement)
this.parseClassSuper(node)
let classBody = this.startNode()
let hadConstructor = false
classBody.body = []
this.expect(tt.braceL)
while (!this.eat(tt.braceR)) {
if (this.eat(tt.semi)) continue
let method = this.startNode()
let isGenerator = this.eat(tt.star)
let isAsync = false
let isMaybeStatic = this.type === tt.name && this.value === "static"
this.parsePropertyName(method)
method.static = isMaybeStatic && this.type !== tt.parenL
if (method.static) {
if (isGenerator) this.unexpected()
isGenerator = this.eat(tt.star)
this.parsePropertyName(method)
}
if (this.options.ecmaVersion >= 8 && !isGenerator && !method.computed &&
method.key.type === "Identifier" && method.key.name === "async" && this.type !== tt.parenL &&
!this.canInsertSemicolon()) {
isAsync = true
this.parsePropertyName(method)
}
method.kind = "method"
let isGetSet = false
if (!method.computed) {
let {key} = method
if (!isGenerator && !isAsync && key.type === "Identifier" && this.type !== tt.parenL && (key.name === "get" || key.name === "set")) {
isGetSet = true
method.kind = key.name
key = this.parsePropertyName(method)
}
if (!method.static && (key.type === "Identifier" && key.name === "constructor" ||
key.type === "Literal" && key.value === "constructor")) {
if (hadConstructor) this.raise(key.start, "Duplicate constructor in the same class")
if (isGetSet) this.raise(key.start, "Constructor can't have get/set modifier")
if (isGenerator) this.raise(key.start, "Constructor can't be a generator")
if (isAsync) this.raise(key.start, "Constructor can't be an async method")
method.kind = "constructor"
hadConstructor = true
}
}
this.parseClassMethod(classBody, method, isGenerator, isAsync)
if (isGetSet) {
let paramCount = method.kind === "get" ? 0 : 1
if (method.value.params.length !== paramCount) {
let start = method.value.start
if (method.kind === "get")
this.raiseRecoverable(start, "getter should have no params")
else
this.raiseRecoverable(start, "setter should have exactly one param")
} else {
if (method.kind === "set" && method.value.params[0].type === "RestElement")
this.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params")
}
}
}
node.body = this.finishNode(classBody, "ClassBody")
return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")
}
pp.parseClassMethod = function(classBody, method, isGenerator, isAsync) {
method.value = this.parseMethod(isGenerator, isAsync)
classBody.body.push(this.finishNode(method, "MethodDefinition"))
}
pp.parseClassId = function(node, isStatement) {
node.id = this.type === tt.name ? this.parseIdent() : isStatement ? this.unexpected() : null
}
pp.parseClassSuper = function(node) {
node.superClass = this.eat(tt._extends) ? this.parseExprSubscripts() : null
}
// Parses module export declaration.
pp.parseExport = function(node, exports) {
this.next()
// export * from '...'
if (this.eat(tt.star)) {
this.expectContextual("from")
node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
this.semicolon()
return this.finishNode(node, "ExportAllDeclaration")
}
if (this.eat(tt._default)) { // export default ...
this.checkExport(exports, "default", this.lastTokStart)
let isAsync
if (this.type === tt._function || (isAsync = this.isAsyncFunction())) {
let fNode = this.startNode()
this.next()
if (isAsync) this.next()
node.declaration = this.parseFunction(fNode, null, false, isAsync)
} else if (this.type === tt._class) {
let cNode = this.startNode()
node.declaration = this.parseClass(cNode, null)
} else {
node.declaration = this.parseMaybeAssign()
this.semicolon()
}
return this.finishNode(node, "ExportDefaultDeclaration")
}
// export var|const|let|function|class ...
if (this.shouldParseExportStatement()) {
node.declaration = this.parseStatement(true)
if (node.declaration.type === "VariableDeclaration")
this.checkVariableExport(exports, node.declaration.declarations)
else
this.checkExport(exports, node.declaration.id.name, node.declaration.id.start)
node.specifiers = []
node.source = null
} else { // export { x, y as z } [from '...']
node.declaration = null
node.specifiers = this.parseExportSpecifiers(exports)
if (this.eatContextual("from")) {
node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
} else {
// check for keywords used as local names
for (let i = 0; i < node.specifiers.length; i++) {
if (this.keywords.test(node.specifiers[i].local.name) || this.reservedWords.test(node.specifiers[i].local.name)) {
this.unexpected(node.specifiers[i].local.start)
}
}
node.source = null
}
this.semicolon()
}
return this.finishNode(node, "ExportNamedDeclaration")
}
pp.checkExport = function(exports, name, pos) {
if (!exports) return
if (Object.prototype.hasOwnProperty.call(exports, name))
this.raiseRecoverable(pos, "Duplicate export '" + name + "'")
exports[name] = true
}
pp.checkPatternExport = function(exports, pat) {
let type = pat.type
if (type == "Identifier")
this.checkExport(exports, pat.name, pat.start)
else if (type == "ObjectPattern")
for (let i = 0; i < pat.properties.length; ++i)
this.checkPatternExport(exports, pat.properties[i].value)
else if (type == "ArrayPattern")
for (let i = 0; i < pat.elements.length; ++i) {
let elt = pat.elements[i]
if (elt) this.checkPatternExport(exports, elt)
}
else if (type == "AssignmentPattern")
this.checkPatternExport(exports, pat.left)
else if (type == "ParenthesizedExpression")
this.checkPatternExport(exports, pat.expression)
}
pp.checkVariableExport = function(exports, decls) {
if (!exports) return
for (let i = 0; i < decls.length; i++)
this.checkPatternExport(exports, decls[i].id)
}
pp.shouldParseExportStatement = function() {
return this.type.keyword === "var"
|| this.type.keyword === "const"
|| this.type.keyword === "class"
|| this.type.keyword === "function"
|| this.isLet()
|| this.isAsyncFunction()
}
// Parses a comma-separated list of module exports.
pp.parseExportSpecifiers = function(exports) {
let nodes = [], first = true
// export { x, y as z } [from '...']
this.expect(tt.braceL)
while (!this.eat(tt.braceR)) {
if (!first) {
this.expect(tt.comma)
if (this.afterTrailingComma(tt.braceR)) break
} else first = false
let node = this.startNode()
node.local = this.parseIdent(true)
node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local
this.checkExport(exports, node.exported.name, node.exported.start)
nodes.push(this.finishNode(node, "ExportSpecifier"))
}
return nodes
}
// Parses import declaration.
pp.parseImport = function(node) {
this.next()
// import '...'
if (this.type === tt.string) {
node.specifiers = empty
node.source = this.parseExprAtom()
} else {
node.specifiers = this.parseImportSpecifiers()
this.expectContextual("from")
node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
}
this.semicolon()
return this.finishNode(node, "ImportDeclaration")
}
// Parses a comma-separated list of module imports.
pp.parseImportSpecifiers = function() {
let nodes = [], first = true
if (this.type === tt.name) {
// import defaultObj, { x, y as z } from '...'
let node = this.startNode()
node.local = this.parseIdent()
this.checkLVal(node.local, true)
nodes.push(this.finishNode(node, "ImportDefaultSpecifier"))
if (!this.eat(tt.comma)) return nodes
}
if (this.type === tt.star) {
let node = this.startNode()
this.next()
this.expectContextual("as")
node.local = this.parseIdent()
this.checkLVal(node.local, true)
nodes.push(this.finishNode(node, "ImportNamespaceSpecifier"))
return nodes
}
this.expect(tt.braceL)
while (!this.eat(tt.braceR)) {
if (!first) {
this.expect(tt.comma)
if (this.afterTrailingComma(tt.braceR)) break
} else first = false
let node = this.startNode()
node.imported = this.parseIdent(true)
if (this.eatContextual("as")) {
node.local = this.parseIdent()
} else {
node.local = node.imported
if (this.isKeyword(node.local.name)) this.unexpected(node.local.start)
if (this.reservedWordsStrict.test(node.local.name)) this.raiseRecoverable(node.local.start, "The keyword '" + node.local.name + "' is reserved")
}
this.checkLVal(node.local, true)
nodes.push(this.finishNode(node, "ImportSpecifier"))
}
return nodes
}

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@ -1,110 +0,0 @@
// The algorithm used to determine whether a regexp can appear at a
// given point in the program is loosely based on sweet.js' approach.
// See https://github.com/mozilla/sweet.js/wiki/design
import {Parser} from "./state"
import {types as tt} from "./tokentype"
import {lineBreak} from "./whitespace"
export class TokContext {
constructor(token, isExpr, preserveSpace, override) {
this.token = token
this.isExpr = !!isExpr
this.preserveSpace = !!preserveSpace
this.override = override
}
}
export const types = {
b_stat: new TokContext("{", false),
b_expr: new TokContext("{", true),
b_tmpl: new TokContext("${", true),
p_stat: new TokContext("(", false),
p_expr: new TokContext("(", true),
q_tmpl: new TokContext("`", true, true, p => p.readTmplToken()),
f_expr: new TokContext("function", true)
}
const pp = Parser.prototype
pp.initialContext = function() {
return [types.b_stat]
}
pp.braceIsBlock = function(prevType) {
if (prevType === tt.colon) {
let parent = this.curContext()
if (parent === types.b_stat || parent === types.b_expr)
return !parent.isExpr
}
if (prevType === tt._return)
return lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
if (prevType === tt._else || prevType === tt.semi || prevType === tt.eof || prevType === tt.parenR)
return true
if (prevType == tt.braceL)
return this.curContext() === types.b_stat
return !this.exprAllowed
}
pp.updateContext = function(prevType) {
let update, type = this.type
if (type.keyword && prevType == tt.dot)
this.exprAllowed = false
else if (update = type.updateContext)
update.call(this, prevType)
else
this.exprAllowed = type.beforeExpr
}
// Token-specific context update code
tt.parenR.updateContext = tt.braceR.updateContext = function() {
if (this.context.length == 1) {
this.exprAllowed = true
return
}
let out = this.context.pop()
if (out === types.b_stat && this.curContext() === types.f_expr) {
this.context.pop()
this.exprAllowed = false
} else if (out === types.b_tmpl) {
this.exprAllowed = true
} else {
this.exprAllowed = !out.isExpr
}
}
tt.braceL.updateContext = function(prevType) {
this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr)
this.exprAllowed = true
}
tt.dollarBraceL.updateContext = function() {
this.context.push(types.b_tmpl)
this.exprAllowed = true
}
tt.parenL.updateContext = function(prevType) {
let statementParens = prevType === tt._if || prevType === tt._for || prevType === tt._with || prevType === tt._while
this.context.push(statementParens ? types.p_stat : types.p_expr)
this.exprAllowed = true
}
tt.incDec.updateContext = function() {
// tokExprAllowed stays unchanged
}
tt._function.updateContext = function(prevType) {
if (prevType.beforeExpr && prevType !== tt.semi && prevType !== tt._else &&
!((prevType === tt.colon || prevType === tt.braceL) && this.curContext() === types.b_stat))
this.context.push(types.f_expr)
this.exprAllowed = false
}
tt.backQuote.updateContext = function() {
if (this.curContext() === types.q_tmpl)
this.context.pop()
else
this.context.push(types.q_tmpl)
this.exprAllowed = false
}

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@ -1,686 +0,0 @@
import {isIdentifierStart, isIdentifierChar} from "./identifier"
import {types as tt, keywords as keywordTypes} from "./tokentype"
import {Parser} from "./state"
import {SourceLocation} from "./locutil"
import {lineBreak, lineBreakG, isNewLine, nonASCIIwhitespace} from "./whitespace"
// Object type used to represent tokens. Note that normally, tokens
// simply exist as properties on the parser object. This is only
// used for the onToken callback and the external tokenizer.
export class Token {
constructor(p) {
this.type = p.type
this.value = p.value
this.start = p.start
this.end = p.end
if (p.options.locations)
this.loc = new SourceLocation(p, p.startLoc, p.endLoc)
if (p.options.ranges)
this.range = [p.start, p.end]
}
}
// ## Tokenizer
const pp = Parser.prototype
// Are we running under Rhino?
const isRhino = typeof Packages == "object" && Object.prototype.toString.call(Packages) == "[object JavaPackage]"
// Move to the next token
pp.next = function() {
if (this.options.onToken)
this.options.onToken(new Token(this))
this.lastTokEnd = this.end
this.lastTokStart = this.start
this.lastTokEndLoc = this.endLoc
this.lastTokStartLoc = this.startLoc
this.nextToken()
}
pp.getToken = function() {
this.next()
return new Token(this)
}
// If we're in an ES6 environment, make parsers iterable
if (typeof Symbol !== "undefined")
pp[Symbol.iterator] = function () {
let self = this
return {next: function () {
let token = self.getToken()
return {
done: token.type === tt.eof,
value: token
}
}}
}
// Toggle strict mode. Re-reads the next number or string to please
// pedantic tests (`"use strict"; 010;` should fail).
pp.curContext = function() {
return this.context[this.context.length - 1]
}
// Read a single token, updating the parser object's token-related
// properties.
pp.nextToken = function() {
let curContext = this.curContext()
if (!curContext || !curContext.preserveSpace) this.skipSpace()
this.start = this.pos
if (this.options.locations) this.startLoc = this.curPosition()
if (this.pos >= this.input.length) return this.finishToken(tt.eof)
if (curContext.override) return curContext.override(this)
else this.readToken(this.fullCharCodeAtPos())
}
pp.readToken = function(code) {
// Identifier or keyword. '\uXXXX' sequences are allowed in
// identifiers, so '\' also dispatches to that.
if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */)
return this.readWord()
return this.getTokenFromCode(code)
}
pp.fullCharCodeAtPos = function() {
let code = this.input.charCodeAt(this.pos)
if (code <= 0xd7ff || code >= 0xe000) return code
let next = this.input.charCodeAt(this.pos + 1)
return (code << 10) + next - 0x35fdc00
}
pp.skipBlockComment = function() {
let startLoc = this.options.onComment && this.curPosition()
let start = this.pos, end = this.input.indexOf("*/", this.pos += 2)
if (end === -1) this.raise(this.pos - 2, "Unterminated comment")
this.pos = end + 2
if (this.options.locations) {
lineBreakG.lastIndex = start
let match
while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) {
++this.curLine
this.lineStart = match.index + match[0].length
}
}
if (this.options.onComment)
this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos,
startLoc, this.curPosition())
}
pp.skipLineComment = function(startSkip) {
let start = this.pos
let startLoc = this.options.onComment && this.curPosition()
let ch = this.input.charCodeAt(this.pos+=startSkip)
while (this.pos < this.input.length && ch !== 10 && ch !== 13 && ch !== 8232 && ch !== 8233) {
++this.pos
ch = this.input.charCodeAt(this.pos)
}
if (this.options.onComment)
this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos,
startLoc, this.curPosition())
}
// Called at the start of the parse and after every token. Skips
// whitespace and comments, and.
pp.skipSpace = function() {
loop: while (this.pos < this.input.length) {
let ch = this.input.charCodeAt(this.pos)
switch (ch) {
case 32: case 160: // ' '
++this.pos
break
case 13:
if (this.input.charCodeAt(this.pos + 1) === 10) {
++this.pos
}
case 10: case 8232: case 8233:
++this.pos
if (this.options.locations) {
++this.curLine
this.lineStart = this.pos
}
break
case 47: // '/'
switch (this.input.charCodeAt(this.pos + 1)) {
case 42: // '*'
this.skipBlockComment()
break
case 47:
this.skipLineComment(2)
break
default:
break loop
}
break
default:
if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {
++this.pos
} else {
break loop
}
}
}
}
// Called at the end of every token. Sets `end`, `val`, and
// maintains `context` and `exprAllowed`, and skips the space after
// the token, so that the next one's `start` will point at the
// right position.
pp.finishToken = function(type, val) {
this.end = this.pos
if (this.options.locations) this.endLoc = this.curPosition()
let prevType = this.type
this.type = type
this.value = val
this.updateContext(prevType)
}
// ### Token reading
// This is the function that is called to fetch the next token. It
// is somewhat obscure, because it works in character codes rather
// than characters, and because operator parsing has been inlined
// into it.
//
// All in the name of speed.
//
pp.readToken_dot = function() {
let next = this.input.charCodeAt(this.pos + 1)
if (next >= 48 && next <= 57) return this.readNumber(true)
let next2 = this.input.charCodeAt(this.pos + 2)
if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.'
this.pos += 3
return this.finishToken(tt.ellipsis)
} else {
++this.pos
return this.finishToken(tt.dot)
}
}
pp.readToken_slash = function() { // '/'
let next = this.input.charCodeAt(this.pos + 1)
if (this.exprAllowed) {++this.pos; return this.readRegexp()}
if (next === 61) return this.finishOp(tt.assign, 2)
return this.finishOp(tt.slash, 1)
}
pp.readToken_mult_modulo_exp = function(code) { // '%*'
let next = this.input.charCodeAt(this.pos + 1)
let size = 1
let tokentype = code === 42 ? tt.star : tt.modulo
// exponentiation operator ** and **=
if (this.options.ecmaVersion >= 7 && next === 42) {
++size
tokentype = tt.starstar
next = this.input.charCodeAt(this.pos + 2)
}
if (next === 61) return this.finishOp(tt.assign, size + 1)
return this.finishOp(tokentype, size)
}
pp.readToken_pipe_amp = function(code) { // '|&'
let next = this.input.charCodeAt(this.pos + 1)
if (next === code) return this.finishOp(code === 124 ? tt.logicalOR : tt.logicalAND, 2)
if (next === 61) return this.finishOp(tt.assign, 2)
return this.finishOp(code === 124 ? tt.bitwiseOR : tt.bitwiseAND, 1)
}
pp.readToken_caret = function() { // '^'
let next = this.input.charCodeAt(this.pos + 1)
if (next === 61) return this.finishOp(tt.assign, 2)
return this.finishOp(tt.bitwiseXOR, 1)
}
pp.readToken_plus_min = function(code) { // '+-'
let next = this.input.charCodeAt(this.pos + 1)
if (next === code) {
if (next == 45 && this.input.charCodeAt(this.pos + 2) == 62 &&
lineBreak.test(this.input.slice(this.lastTokEnd, this.pos))) {
// A `-->` line comment
this.skipLineComment(3)
this.skipSpace()
return this.nextToken()
}
return this.finishOp(tt.incDec, 2)
}
if (next === 61) return this.finishOp(tt.assign, 2)
return this.finishOp(tt.plusMin, 1)
}
pp.readToken_lt_gt = function(code) { // '<>'
let next = this.input.charCodeAt(this.pos + 1)
let size = 1
if (next === code) {
size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2
if (this.input.charCodeAt(this.pos + size) === 61) return this.finishOp(tt.assign, size + 1)
return this.finishOp(tt.bitShift, size)
}
if (next == 33 && code == 60 && this.input.charCodeAt(this.pos + 2) == 45 &&
this.input.charCodeAt(this.pos + 3) == 45) {
if (this.inModule) this.unexpected()
// `<!--`, an XML-style comment that should be interpreted as a line comment
this.skipLineComment(4)
this.skipSpace()
return this.nextToken()
}
if (next === 61) size = 2
return this.finishOp(tt.relational, size)
}
pp.readToken_eq_excl = function(code) { // '=!'
let next = this.input.charCodeAt(this.pos + 1)
if (next === 61) return this.finishOp(tt.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2)
if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) { // '=>'
this.pos += 2
return this.finishToken(tt.arrow)
}
return this.finishOp(code === 61 ? tt.eq : tt.prefix, 1)
}
pp.getTokenFromCode = function(code) {
switch (code) {
// The interpretation of a dot depends on whether it is followed
// by a digit or another two dots.
case 46: // '.'
return this.readToken_dot()
// Punctuation tokens.
case 40: ++this.pos; return this.finishToken(tt.parenL)
case 41: ++this.pos; return this.finishToken(tt.parenR)
case 59: ++this.pos; return this.finishToken(tt.semi)
case 44: ++this.pos; return this.finishToken(tt.comma)
case 91: ++this.pos; return this.finishToken(tt.bracketL)
case 93: ++this.pos; return this.finishToken(tt.bracketR)
case 123: ++this.pos; return this.finishToken(tt.braceL)
case 125: ++this.pos; return this.finishToken(tt.braceR)
case 58: ++this.pos; return this.finishToken(tt.colon)
case 63: ++this.pos; return this.finishToken(tt.question)
case 96: // '`'
if (this.options.ecmaVersion < 6) break
++this.pos
return this.finishToken(tt.backQuote)
case 48: // '0'
let next = this.input.charCodeAt(this.pos + 1)
if (next === 120 || next === 88) return this.readRadixNumber(16) // '0x', '0X' - hex number
if (this.options.ecmaVersion >= 6) {
if (next === 111 || next === 79) return this.readRadixNumber(8) // '0o', '0O' - octal number
if (next === 98 || next === 66) return this.readRadixNumber(2) // '0b', '0B' - binary number
}
// Anything else beginning with a digit is an integer, octal
// number, or float.
case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57: // 1-9
return this.readNumber(false)
// Quotes produce strings.
case 34: case 39: // '"', "'"
return this.readString(code)
// Operators are parsed inline in tiny state machines. '=' (61) is
// often referred to. `finishOp` simply skips the amount of
// characters it is given as second argument, and returns a token
// of the type given by its first argument.
case 47: // '/'
return this.readToken_slash()
case 37: case 42: // '%*'
return this.readToken_mult_modulo_exp(code)
case 124: case 38: // '|&'
return this.readToken_pipe_amp(code)
case 94: // '^'
return this.readToken_caret()
case 43: case 45: // '+-'
return this.readToken_plus_min(code)
case 60: case 62: // '<>'
return this.readToken_lt_gt(code)
case 61: case 33: // '=!'
return this.readToken_eq_excl(code)
case 126: // '~'
return this.finishOp(tt.prefix, 1)
}
this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'")
}
pp.finishOp = function(type, size) {
let str = this.input.slice(this.pos, this.pos + size)
this.pos += size
return this.finishToken(type, str)
}
// Parse a regular expression. Some context-awareness is necessary,
// since a '/' inside a '[]' set does not end the expression.
function tryCreateRegexp(src, flags, throwErrorAt, parser) {
try {
return new RegExp(src, flags)
} catch (e) {
if (throwErrorAt !== undefined) {
if (e instanceof SyntaxError) parser.raise(throwErrorAt, "Error parsing regular expression: " + e.message)
throw e
}
}
}
var regexpUnicodeSupport = !!tryCreateRegexp("\uffff", "u")
pp.readRegexp = function() {
let escaped, inClass, start = this.pos
for (;;) {
if (this.pos >= this.input.length) this.raise(start, "Unterminated regular expression")
let ch = this.input.charAt(this.pos)
if (lineBreak.test(ch)) this.raise(start, "Unterminated regular expression")
if (!escaped) {
if (ch === "[") inClass = true
else if (ch === "]" && inClass) inClass = false
else if (ch === "/" && !inClass) break
escaped = ch === "\\"
} else escaped = false
++this.pos
}
let content = this.input.slice(start, this.pos)
++this.pos
// Need to use `readWord1` because '\uXXXX' sequences are allowed
// here (don't ask).
let mods = this.readWord1()
let tmp = content, tmpFlags = ""
if (mods) {
let validFlags = /^[gim]*$/
if (this.options.ecmaVersion >= 6) validFlags = /^[gimuy]*$/
if (!validFlags.test(mods)) this.raise(start, "Invalid regular expression flag")
if (mods.indexOf("u") >= 0) {
if (regexpUnicodeSupport) {
tmpFlags = "u"
} else {
// Replace each astral symbol and every Unicode escape sequence that
// possibly represents an astral symbol or a paired surrogate with a
// single ASCII symbol to avoid throwing on regular expressions that
// are only valid in combination with the `/u` flag.
// Note: replacing with the ASCII symbol `x` might cause false
// negatives in unlikely scenarios. For example, `[\u{61}-b]` is a
// perfectly valid pattern that is equivalent to `[a-b]`, but it would
// be replaced by `[x-b]` which throws an error.
tmp = tmp.replace(/\\u\{([0-9a-fA-F]+)\}/g, (_match, code, offset) => {
code = Number("0x" + code)
if (code > 0x10FFFF) this.raise(start + offset + 3, "Code point out of bounds")
return "x"
})
tmp = tmp.replace(/\\u([a-fA-F0-9]{4})|[\uD800-\uDBFF][\uDC00-\uDFFF]/g, "x")
tmpFlags = tmpFlags.replace("u", "")
}
}
}
// Detect invalid regular expressions.
let value = null
// Rhino's regular expression parser is flaky and throws uncatchable exceptions,
// so don't do detection if we are running under Rhino
if (!isRhino) {
tryCreateRegexp(tmp, tmpFlags, start, this)
// Get a regular expression object for this pattern-flag pair, or `null` in
// case the current environment doesn't support the flags it uses.
value = tryCreateRegexp(content, mods)
}
return this.finishToken(tt.regexp, {pattern: content, flags: mods, value: value})
}
// Read an integer in the given radix. Return null if zero digits
// were read, the integer value otherwise. When `len` is given, this
// will return `null` unless the integer has exactly `len` digits.
pp.readInt = function(radix, len) {
let start = this.pos, total = 0
for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) {
let code = this.input.charCodeAt(this.pos), val
if (code >= 97) val = code - 97 + 10 // a
else if (code >= 65) val = code - 65 + 10 // A
else if (code >= 48 && code <= 57) val = code - 48 // 0-9
else val = Infinity
if (val >= radix) break
++this.pos
total = total * radix + val
}
if (this.pos === start || len != null && this.pos - start !== len) return null
return total
}
pp.readRadixNumber = function(radix) {
this.pos += 2 // 0x
let val = this.readInt(radix)
if (val == null) this.raise(this.start + 2, "Expected number in radix " + radix)
if (isIdentifierStart(this.fullCharCodeAtPos())) this.raise(this.pos, "Identifier directly after number")
return this.finishToken(tt.num, val)
}
// Read an integer, octal integer, or floating-point number.
pp.readNumber = function(startsWithDot) {
let start = this.pos, isFloat = false, octal = this.input.charCodeAt(this.pos) === 48
if (!startsWithDot && this.readInt(10) === null) this.raise(start, "Invalid number")
if (octal && this.pos == start + 1) octal = false
let next = this.input.charCodeAt(this.pos)
if (next === 46 && !octal) { // '.'
++this.pos
this.readInt(10)
isFloat = true
next = this.input.charCodeAt(this.pos)
}
if ((next === 69 || next === 101) && !octal) { // 'eE'
next = this.input.charCodeAt(++this.pos)
if (next === 43 || next === 45) ++this.pos // '+-'
if (this.readInt(10) === null) this.raise(start, "Invalid number")
isFloat = true
}
if (isIdentifierStart(this.fullCharCodeAtPos())) this.raise(this.pos, "Identifier directly after number")
let str = this.input.slice(start, this.pos), val
if (isFloat) val = parseFloat(str)
else if (!octal || str.length === 1) val = parseInt(str, 10)
else if (/[89]/.test(str) || this.strict) this.raise(start, "Invalid number")
else val = parseInt(str, 8)
return this.finishToken(tt.num, val)
}
// Read a string value, interpreting backslash-escapes.
pp.readCodePoint = function() {
let ch = this.input.charCodeAt(this.pos), code
if (ch === 123) {
if (this.options.ecmaVersion < 6) this.unexpected()
let codePos = ++this.pos
code = this.readHexChar(this.input.indexOf('}', this.pos) - this.pos)
++this.pos
if (code > 0x10FFFF) this.raise(codePos, "Code point out of bounds")
} else {
code = this.readHexChar(4)
}
return code
}
function codePointToString(code) {
// UTF-16 Decoding
if (code <= 0xFFFF) return String.fromCharCode(code)
code -= 0x10000
return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00)
}
pp.readString = function(quote) {
let out = "", chunkStart = ++this.pos
for (;;) {
if (this.pos >= this.input.length) this.raise(this.start, "Unterminated string constant")
let ch = this.input.charCodeAt(this.pos)
if (ch === quote) break
if (ch === 92) { // '\'
out += this.input.slice(chunkStart, this.pos)
out += this.readEscapedChar(false)
chunkStart = this.pos
} else {
if (isNewLine(ch)) this.raise(this.start, "Unterminated string constant")
++this.pos
}
}
out += this.input.slice(chunkStart, this.pos++)
return this.finishToken(tt.string, out)
}
// Reads template string tokens.
pp.readTmplToken = function() {
let out = "", chunkStart = this.pos
for (;;) {
if (this.pos >= this.input.length) this.raise(this.start, "Unterminated template")
let ch = this.input.charCodeAt(this.pos)
if (ch === 96 || ch === 36 && this.input.charCodeAt(this.pos + 1) === 123) { // '`', '${'
if (this.pos === this.start && this.type === tt.template) {
if (ch === 36) {
this.pos += 2
return this.finishToken(tt.dollarBraceL)
} else {
++this.pos
return this.finishToken(tt.backQuote)
}
}
out += this.input.slice(chunkStart, this.pos)
return this.finishToken(tt.template, out)
}
if (ch === 92) { // '\'
out += this.input.slice(chunkStart, this.pos)
out += this.readEscapedChar(true)
chunkStart = this.pos
} else if (isNewLine(ch)) {
out += this.input.slice(chunkStart, this.pos)
++this.pos
switch (ch) {
case 13:
if (this.input.charCodeAt(this.pos) === 10) ++this.pos
case 10:
out += "\n"
break
default:
out += String.fromCharCode(ch)
break
}
if (this.options.locations) {
++this.curLine
this.lineStart = this.pos
}
chunkStart = this.pos
} else {
++this.pos
}
}
}
// Used to read escaped characters
pp.readEscapedChar = function(inTemplate) {
let ch = this.input.charCodeAt(++this.pos)
++this.pos
switch (ch) {
case 110: return "\n" // 'n' -> '\n'
case 114: return "\r" // 'r' -> '\r'
case 120: return String.fromCharCode(this.readHexChar(2)) // 'x'
case 117: return codePointToString(this.readCodePoint()) // 'u'
case 116: return "\t" // 't' -> '\t'
case 98: return "\b" // 'b' -> '\b'
case 118: return "\u000b" // 'v' -> '\u000b'
case 102: return "\f" // 'f' -> '\f'
case 13: if (this.input.charCodeAt(this.pos) === 10) ++this.pos // '\r\n'
case 10: // ' \n'
if (this.options.locations) { this.lineStart = this.pos; ++this.curLine }
return ""
default:
if (ch >= 48 && ch <= 55) {
let octalStr = this.input.substr(this.pos - 1, 3).match(/^[0-7]+/)[0]
let octal = parseInt(octalStr, 8)
if (octal > 255) {
octalStr = octalStr.slice(0, -1)
octal = parseInt(octalStr, 8)
}
if (octalStr !== "0" && (this.strict || inTemplate)) {
this.raise(this.pos - 2, "Octal literal in strict mode")
}
this.pos += octalStr.length - 1
return String.fromCharCode(octal)
}
return String.fromCharCode(ch)
}
}
// Used to read character escape sequences ('\x', '\u', '\U').
pp.readHexChar = function(len) {
let codePos = this.pos
let n = this.readInt(16, len)
if (n === null) this.raise(codePos, "Bad character escape sequence")
return n
}
// Read an identifier, and return it as a string. Sets `this.containsEsc`
// to whether the word contained a '\u' escape.
//
// Incrementally adds only escaped chars, adding other chunks as-is
// as a micro-optimization.
pp.readWord1 = function() {
this.containsEsc = false
let word = "", first = true, chunkStart = this.pos
let astral = this.options.ecmaVersion >= 6
while (this.pos < this.input.length) {
let ch = this.fullCharCodeAtPos()
if (isIdentifierChar(ch, astral)) {
this.pos += ch <= 0xffff ? 1 : 2
} else if (ch === 92) { // "\"
this.containsEsc = true
word += this.input.slice(chunkStart, this.pos)
let escStart = this.pos
if (this.input.charCodeAt(++this.pos) != 117) // "u"
this.raise(this.pos, "Expecting Unicode escape sequence \\uXXXX")
++this.pos
let esc = this.readCodePoint()
if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral))
this.raise(escStart, "Invalid Unicode escape")
word += codePointToString(esc)
chunkStart = this.pos
} else {
break
}
first = false
}
return word + this.input.slice(chunkStart, this.pos)
}
// Read an identifier or keyword token. Will check for reserved
// words when necessary.
pp.readWord = function() {
let word = this.readWord1()
let type = tt.name
if (this.keywords.test(word)) {
if (this.containsEsc) this.raiseRecoverable(this.start, "Escape sequence in keyword " + word)
type = keywordTypes[word]
}
return this.finishToken(type, word)
}

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@ -1,147 +0,0 @@
// ## Token types
// The assignment of fine-grained, information-carrying type objects
// allows the tokenizer to store the information it has about a
// token in a way that is very cheap for the parser to look up.
// All token type variables start with an underscore, to make them
// easy to recognize.
// The `beforeExpr` property is used to disambiguate between regular
// expressions and divisions. It is set on all token types that can
// be followed by an expression (thus, a slash after them would be a
// regular expression).
//
// The `startsExpr` property is used to check if the token ends a
// `yield` expression. It is set on all token types that either can
// directly start an expression (like a quotation mark) or can
// continue an expression (like the body of a string).
//
// `isLoop` marks a keyword as starting a loop, which is important
// to know when parsing a label, in order to allow or disallow
// continue jumps to that label.
export class TokenType {
constructor(label, conf = {}) {
this.label = label
this.keyword = conf.keyword
this.beforeExpr = !!conf.beforeExpr
this.startsExpr = !!conf.startsExpr
this.isLoop = !!conf.isLoop
this.isAssign = !!conf.isAssign
this.prefix = !!conf.prefix
this.postfix = !!conf.postfix
this.binop = conf.binop || null
this.updateContext = null
}
}
function binop(name, prec) {
return new TokenType(name, {beforeExpr: true, binop: prec})
}
const beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}
// Map keyword names to token types.
export const keywords = {}
// Succinct definitions of keyword token types
function kw(name, options = {}) {
options.keyword = name
return keywords[name] = new TokenType(name, options)
}
export const types = {
num: new TokenType("num", startsExpr),
regexp: new TokenType("regexp", startsExpr),
string: new TokenType("string", startsExpr),
name: new TokenType("name", startsExpr),
eof: new TokenType("eof"),
// Punctuation token types.
bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}),
bracketR: new TokenType("]"),
braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}),
braceR: new TokenType("}"),
parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}),
parenR: new TokenType(")"),
comma: new TokenType(",", beforeExpr),
semi: new TokenType(";", beforeExpr),
colon: new TokenType(":", beforeExpr),
dot: new TokenType("."),
question: new TokenType("?", beforeExpr),
arrow: new TokenType("=>", beforeExpr),
template: new TokenType("template"),
ellipsis: new TokenType("...", beforeExpr),
backQuote: new TokenType("`", startsExpr),
dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}),
// Operators. These carry several kinds of properties to help the
// parser use them properly (the presence of these properties is
// what categorizes them as operators).
//
// `binop`, when present, specifies that this operator is a binary
// operator, and will refer to its precedence.
//
// `prefix` and `postfix` mark the operator as a prefix or postfix
// unary operator.
//
// `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as
// binary operators with a very low precedence, that should result
// in AssignmentExpression nodes.
eq: new TokenType("=", {beforeExpr: true, isAssign: true}),
assign: new TokenType("_=", {beforeExpr: true, isAssign: true}),
incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}),
prefix: new TokenType("prefix", {beforeExpr: true, prefix: true, startsExpr: true}),
logicalOR: binop("||", 1),
logicalAND: binop("&&", 2),
bitwiseOR: binop("|", 3),
bitwiseXOR: binop("^", 4),
bitwiseAND: binop("&", 5),
equality: binop("==/!=", 6),
relational: binop("</>", 7),
bitShift: binop("<</>>", 8),
plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}),
modulo: binop("%", 10),
star: binop("*", 10),
slash: binop("/", 10),
starstar: new TokenType("**", {beforeExpr: true}),
// Keyword token types.
_break: kw("break"),
_case: kw("case", beforeExpr),
_catch: kw("catch"),
_continue: kw("continue"),
_debugger: kw("debugger"),
_default: kw("default", beforeExpr),
_do: kw("do", {isLoop: true, beforeExpr: true}),
_else: kw("else", beforeExpr),
_finally: kw("finally"),
_for: kw("for", {isLoop: true}),
_function: kw("function", startsExpr),
_if: kw("if"),
_return: kw("return", beforeExpr),
_switch: kw("switch"),
_throw: kw("throw", beforeExpr),
_try: kw("try"),
_var: kw("var"),
_const: kw("const"),
_while: kw("while", {isLoop: true}),
_with: kw("with"),
_new: kw("new", {beforeExpr: true, startsExpr: true}),
_this: kw("this", startsExpr),
_super: kw("super", startsExpr),
_class: kw("class"),
_extends: kw("extends", beforeExpr),
_export: kw("export"),
_import: kw("import"),
_null: kw("null", startsExpr),
_true: kw("true", startsExpr),
_false: kw("false", startsExpr),
_in: kw("in", {beforeExpr: true, binop: 7}),
_instanceof: kw("instanceof", {beforeExpr: true, binop: 7}),
_typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}),
_void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}),
_delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true})
}

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@ -1,9 +0,0 @@
export function isArray(obj) {
return Object.prototype.toString.call(obj) === "[object Array]"
}
// Checks if an object has a property.
export function has(obj, propName) {
return Object.prototype.hasOwnProperty.call(obj, propName)
}

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@ -1,342 +0,0 @@
// AST walker module for Mozilla Parser API compatible trees
// A simple walk is one where you simply specify callbacks to be
// called on specific nodes. The last two arguments are optional. A
// simple use would be
//
// walk.simple(myTree, {
// Expression: function(node) { ... }
// });
//
// to do something with all expressions. All Parser API node types
// can be used to identify node types, as well as Expression,
// Statement, and ScopeBody, which denote categories of nodes.
//
// The base argument can be used to pass a custom (recursive)
// walker, and state can be used to give this walked an initial
// state.
export function simple(node, visitors, base, state, override) {
if (!base) base = exports.base
;(function c(node, st, override) {
let type = override || node.type, found = visitors[type]
base[type](node, st, c)
if (found) found(node, st)
})(node, state, override)
}
// An ancestor walk keeps an array of ancestor nodes (including the
// current node) and passes them to the callback as third parameter
// (and also as state parameter when no other state is present).
export function ancestor(node, visitors, base, state) {
if (!base) base = exports.base
let ancestors = []
;(function c(node, st, override) {
let type = override || node.type, found = visitors[type]
let isNew = node != ancestors[ancestors.length - 1]
if (isNew) ancestors.push(node)
base[type](node, st, c)
if (found) found(node, st || ancestors, ancestors)
if (isNew) ancestors.pop()
})(node, state)
}
// A recursive walk is one where your functions override the default
// walkers. They can modify and replace the state parameter that's
// threaded through the walk, and can opt how and whether to walk
// their child nodes (by calling their third argument on these
// nodes).
export function recursive(node, state, funcs, base, override) {
let visitor = funcs ? exports.make(funcs, base) : base
;(function c(node, st, override) {
visitor[override || node.type](node, st, c)
})(node, state, override)
}
function makeTest(test) {
if (typeof test == "string")
return type => type == test
else if (!test)
return () => true
else
return test
}
class Found {
constructor(node, state) { this.node = node; this.state = state }
}
// Find a node with a given start, end, and type (all are optional,
// null can be used as wildcard). Returns a {node, state} object, or
// undefined when it doesn't find a matching node.
export function findNodeAt(node, start, end, test, base, state) {
test = makeTest(test)
if (!base) base = exports.base
try {
;(function c(node, st, override) {
let type = override || node.type
if ((start == null || node.start <= start) &&
(end == null || node.end >= end))
base[type](node, st, c)
if ((start == null || node.start == start) &&
(end == null || node.end == end) &&
test(type, node))
throw new Found(node, st)
})(node, state)
} catch (e) {
if (e instanceof Found) return e
throw e
}
}
// Find the innermost node of a given type that contains the given
// position. Interface similar to findNodeAt.
export function findNodeAround(node, pos, test, base, state) {
test = makeTest(test)
if (!base) base = exports.base
try {
;(function c(node, st, override) {
let type = override || node.type
if (node.start > pos || node.end < pos) return
base[type](node, st, c)
if (test(type, node)) throw new Found(node, st)
})(node, state)
} catch (e) {
if (e instanceof Found) return e
throw e
}
}
// Find the outermost matching node after a given position.
export function findNodeAfter(node, pos, test, base, state) {
test = makeTest(test)
if (!base) base = exports.base
try {
;(function c(node, st, override) {
if (node.end < pos) return
let type = override || node.type
if (node.start >= pos && test(type, node)) throw new Found(node, st)
base[type](node, st, c)
})(node, state)
} catch (e) {
if (e instanceof Found) return e
throw e
}
}
// Find the outermost matching node before a given position.
export function findNodeBefore(node, pos, test, base, state) {
test = makeTest(test)
if (!base) base = exports.base
let max
;(function c(node, st, override) {
if (node.start > pos) return
let type = override || node.type
if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node))
max = new Found(node, st)
base[type](node, st, c)
})(node, state)
return max
}
// Fallback to an Object.create polyfill for older environments.
const create = Object.create || function(proto) {
function Ctor() {}
Ctor.prototype = proto
return new Ctor
}
// Used to create a custom walker. Will fill in all missing node
// type properties with the defaults.
export function make(funcs, base) {
if (!base) base = exports.base
let visitor = create(base)
for (var type in funcs) visitor[type] = funcs[type]
return visitor
}
function skipThrough(node, st, c) { c(node, st) }
function ignore(_node, _st, _c) {}
// Node walkers.
export const base = {}
base.Program = base.BlockStatement = (node, st, c) => {
for (let i = 0; i < node.body.length; ++i)
c(node.body[i], st, "Statement")
}
base.Statement = skipThrough
base.EmptyStatement = ignore
base.ExpressionStatement = base.ParenthesizedExpression =
(node, st, c) => c(node.expression, st, "Expression")
base.IfStatement = (node, st, c) => {
c(node.test, st, "Expression")
c(node.consequent, st, "Statement")
if (node.alternate) c(node.alternate, st, "Statement")
}
base.LabeledStatement = (node, st, c) => c(node.body, st, "Statement")
base.BreakStatement = base.ContinueStatement = ignore
base.WithStatement = (node, st, c) => {
c(node.object, st, "Expression")
c(node.body, st, "Statement")
}
base.SwitchStatement = (node, st, c) => {
c(node.discriminant, st, "Expression")
for (let i = 0; i < node.cases.length; ++i) {
let cs = node.cases[i]
if (cs.test) c(cs.test, st, "Expression")
for (let j = 0; j < cs.consequent.length; ++j)
c(cs.consequent[j], st, "Statement")
}
}
base.ReturnStatement = base.YieldExpression = base.AwaitExpression = (node, st, c) => {
if (node.argument) c(node.argument, st, "Expression")
}
base.ThrowStatement = base.SpreadElement =
(node, st, c) => c(node.argument, st, "Expression")
base.TryStatement = (node, st, c) => {
c(node.block, st, "Statement")
if (node.handler) c(node.handler, st)
if (node.finalizer) c(node.finalizer, st, "Statement")
}
base.CatchClause = (node, st, c) => {
c(node.param, st, "Pattern")
c(node.body, st, "ScopeBody")
}
base.WhileStatement = base.DoWhileStatement = (node, st, c) => {
c(node.test, st, "Expression")
c(node.body, st, "Statement")
}
base.ForStatement = (node, st, c) => {
if (node.init) c(node.init, st, "ForInit")
if (node.test) c(node.test, st, "Expression")
if (node.update) c(node.update, st, "Expression")
c(node.body, st, "Statement")
}
base.ForInStatement = base.ForOfStatement = (node, st, c) => {
c(node.left, st, "ForInit")
c(node.right, st, "Expression")
c(node.body, st, "Statement")
}
base.ForInit = (node, st, c) => {
if (node.type == "VariableDeclaration") c(node, st)
else c(node, st, "Expression")
}
base.DebuggerStatement = ignore
base.FunctionDeclaration = (node, st, c) => c(node, st, "Function")
base.VariableDeclaration = (node, st, c) => {
for (let i = 0; i < node.declarations.length; ++i)
c(node.declarations[i], st)
}
base.VariableDeclarator = (node, st, c) => {
c(node.id, st, "Pattern")
if (node.init) c(node.init, st, "Expression")
}
base.Function = (node, st, c) => {
if (node.id) c(node.id, st, "Pattern")
for (let i = 0; i < node.params.length; i++)
c(node.params[i], st, "Pattern")
c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody")
}
// FIXME drop these node types in next major version
// (They are awkward, and in ES6 every block can be a scope.)
base.ScopeBody = (node, st, c) => c(node, st, "Statement")
base.ScopeExpression = (node, st, c) => c(node, st, "Expression")
base.Pattern = (node, st, c) => {
if (node.type == "Identifier")
c(node, st, "VariablePattern")
else if (node.type == "MemberExpression")
c(node, st, "MemberPattern")
else
c(node, st)
}
base.VariablePattern = ignore
base.MemberPattern = skipThrough
base.RestElement = (node, st, c) => c(node.argument, st, "Pattern")
base.ArrayPattern = (node, st, c) => {
for (let i = 0; i < node.elements.length; ++i) {
let elt = node.elements[i]
if (elt) c(elt, st, "Pattern")
}
}
base.ObjectPattern = (node, st, c) => {
for (let i = 0; i < node.properties.length; ++i)
c(node.properties[i].value, st, "Pattern")
}
base.Expression = skipThrough
base.ThisExpression = base.Super = base.MetaProperty = ignore
base.ArrayExpression = (node, st, c) => {
for (let i = 0; i < node.elements.length; ++i) {
let elt = node.elements[i]
if (elt) c(elt, st, "Expression")
}
}
base.ObjectExpression = (node, st, c) => {
for (let i = 0; i < node.properties.length; ++i)
c(node.properties[i], st)
}
base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration
base.SequenceExpression = base.TemplateLiteral = (node, st, c) => {
for (let i = 0; i < node.expressions.length; ++i)
c(node.expressions[i], st, "Expression")
}
base.UnaryExpression = base.UpdateExpression = (node, st, c) => {
c(node.argument, st, "Expression")
}
base.BinaryExpression = base.LogicalExpression = (node, st, c) => {
c(node.left, st, "Expression")
c(node.right, st, "Expression")
}
base.AssignmentExpression = base.AssignmentPattern = (node, st, c) => {
c(node.left, st, "Pattern")
c(node.right, st, "Expression")
}
base.ConditionalExpression = (node, st, c) => {
c(node.test, st, "Expression")
c(node.consequent, st, "Expression")
c(node.alternate, st, "Expression")
}
base.NewExpression = base.CallExpression = (node, st, c) => {
c(node.callee, st, "Expression")
if (node.arguments) for (let i = 0; i < node.arguments.length; ++i)
c(node.arguments[i], st, "Expression")
}
base.MemberExpression = (node, st, c) => {
c(node.object, st, "Expression")
if (node.computed) c(node.property, st, "Expression")
}
base.ExportNamedDeclaration = base.ExportDefaultDeclaration = (node, st, c) => {
if (node.declaration)
c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression")
if (node.source) c(node.source, st, "Expression")
}
base.ExportAllDeclaration = (node, st, c) => {
c(node.source, st, "Expression")
}
base.ImportDeclaration = (node, st, c) => {
for (let i = 0; i < node.specifiers.length; i++)
c(node.specifiers[i], st)
c(node.source, st, "Expression")
}
base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore
base.TaggedTemplateExpression = (node, st, c) => {
c(node.tag, st, "Expression")
c(node.quasi, st)
}
base.ClassDeclaration = base.ClassExpression = (node, st, c) => c(node, st, "Class")
base.Class = (node, st, c) => {
if (node.id) c(node.id, st, "Pattern")
if (node.superClass) c(node.superClass, st, "Expression")
for (let i = 0; i < node.body.body.length; i++)
c(node.body.body[i], st)
}
base.MethodDefinition = base.Property = (node, st, c) => {
if (node.computed) c(node.key, st, "Expression")
c(node.value, st, "Expression")
}

View file

@ -1,13 +0,0 @@
// Matches a whole line break (where CRLF is considered a single
// line break). Used to count lines.
export const lineBreak = /\r\n?|\n|\u2028|\u2029/
export const lineBreakG = new RegExp(lineBreak.source, "g")
export function isNewLine(code) {
return code === 10 || code === 13 || code === 0x2028 || code === 0x2029
}
export const nonASCIIwhitespace = /[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/
export const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g

View file

@ -1,20 +0,0 @@
var Ajv = require('ajv');
var ajv = Ajv({allErrors: true});
var schema = {
"properties": {
"foo": { "type": "string" },
"bar": { "type": "number", "maximum": 3 }
}
};
var validate = ajv.compile(schema);
test({"foo": "abc", "bar": 2});
test({"foo": 2, "bar": 4});
function test(data) {
var valid = validate(data);
if (valid) console.log('Valid!');
else console.log('Invalid: ' + ajv.errorsText(validate.errors));
}

View file

@ -1,22 +0,0 @@
The MIT License (MIT)
Copyright (c) 2015 Evgeny Poberezkin
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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