first commit

app_vue/node_modules/espree/lib/ast-node-types.js

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+/**
+ * @fileoverview The AST node types produced by the parser.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// None!
+
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = {
+    AssignmentExpression: "AssignmentExpression",
+    AssignmentPattern: "AssignmentPattern",
+    ArrayExpression: "ArrayExpression",
+    ArrayPattern: "ArrayPattern",
+    ArrowFunctionExpression: "ArrowFunctionExpression",
+    AwaitExpression: "AwaitExpression",
+    BlockStatement: "BlockStatement",
+    BinaryExpression: "BinaryExpression",
+    BreakStatement: "BreakStatement",
+    CallExpression: "CallExpression",
+    CatchClause: "CatchClause",
+    ClassBody: "ClassBody",
+    ClassDeclaration: "ClassDeclaration",
+    ClassExpression: "ClassExpression",
+    ConditionalExpression: "ConditionalExpression",
+    ContinueStatement: "ContinueStatement",
+    DoWhileStatement: "DoWhileStatement",
+    DebuggerStatement: "DebuggerStatement",
+    EmptyStatement: "EmptyStatement",
+    ExpressionStatement: "ExpressionStatement",
+    ForStatement: "ForStatement",
+    ForInStatement: "ForInStatement",
+    ForOfStatement: "ForOfStatement",
+    FunctionDeclaration: "FunctionDeclaration",
+    FunctionExpression: "FunctionExpression",
+    Identifier: "Identifier",
+    IfStatement: "IfStatement",
+    Literal: "Literal",
+    LabeledStatement: "LabeledStatement",
+    LogicalExpression: "LogicalExpression",
+    MemberExpression: "MemberExpression",
+    MetaProperty: "MetaProperty",
+    MethodDefinition: "MethodDefinition",
+    NewExpression: "NewExpression",
+    ObjectExpression: "ObjectExpression",
+    ObjectPattern: "ObjectPattern",
+    Program: "Program",
+    Property: "Property",
+    RestElement: "RestElement",
+    ReturnStatement: "ReturnStatement",
+    SequenceExpression: "SequenceExpression",
+    SpreadElement: "SpreadElement",
+    Super: "Super",
+    SwitchCase: "SwitchCase",
+    SwitchStatement: "SwitchStatement",
+    TaggedTemplateExpression: "TaggedTemplateExpression",
+    TemplateElement: "TemplateElement",
+    TemplateLiteral: "TemplateLiteral",
+    ThisExpression: "ThisExpression",
+    ThrowStatement: "ThrowStatement",
+    TryStatement: "TryStatement",
+    UnaryExpression: "UnaryExpression",
+    UpdateExpression: "UpdateExpression",
+    VariableDeclaration: "VariableDeclaration",
+    VariableDeclarator: "VariableDeclarator",
+    WhileStatement: "WhileStatement",
+    WithStatement: "WithStatement",
+    YieldExpression: "YieldExpression",
+    JSXIdentifier: "JSXIdentifier",
+    JSXNamespacedName: "JSXNamespacedName",
+    JSXMemberExpression: "JSXMemberExpression",
+    JSXEmptyExpression: "JSXEmptyExpression",
+    JSXExpressionContainer: "JSXExpressionContainer",
+    JSXElement: "JSXElement",
+    JSXClosingElement: "JSXClosingElement",
+    JSXOpeningElement: "JSXOpeningElement",
+    JSXAttribute: "JSXAttribute",
+    JSXSpreadAttribute: "JSXSpreadAttribute",
+    JSXText: "JSXText",
+    ExportDefaultDeclaration: "ExportDefaultDeclaration",
+    ExportNamedDeclaration: "ExportNamedDeclaration",
+    ExportAllDeclaration: "ExportAllDeclaration",
+    ExportSpecifier: "ExportSpecifier",
+    ImportDeclaration: "ImportDeclaration",
+    ImportSpecifier: "ImportSpecifier",
+    ImportDefaultSpecifier: "ImportDefaultSpecifier",
+    ImportNamespaceSpecifier: "ImportNamespaceSpecifier"
+};

app_vue/node_modules/espree/lib/espree.js

@@ -0,0 +1,286 @@
+"use strict";
+
+/* eslint-disable no-param-reassign*/
+const TokenTranslator = require("./token-translator");
+const { normalizeOptions } = require("./options");
+
+const STATE = Symbol("espree's internal state");
+const ESPRIMA_FINISH_NODE = Symbol("espree's esprimaFinishNode");
+
+
+/**
+ * Converts an Acorn comment to a Esprima comment.
+ * @param {boolean} block True if it's a block comment, false if not.
+ * @param {string} text The text of the comment.
+ * @param {int} start The index at which the comment starts.
+ * @param {int} end The index at which the comment ends.
+ * @param {Location} startLoc The location at which the comment starts.
+ * @param {Location} endLoc The location at which the comment ends.
+ * @returns {Object} The comment object.
+ * @private
+ */
+function convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc) {
+    const comment = {
+        type: block ? "Block" : "Line",
+        value: text
+    };
+
+    if (typeof start === "number") {
+        comment.start = start;
+        comment.end = end;
+        comment.range = [start, end];
+    }
+
+    if (typeof startLoc === "object") {
+        comment.loc = {
+            start: startLoc,
+            end: endLoc
+        };
+    }
+
+    return comment;
+}
+
+module.exports = () => Parser => {
+    const tokTypes = Object.assign({}, Parser.acorn.tokTypes);
+
+    if (Parser.acornJsx) {
+        Object.assign(tokTypes, Parser.acornJsx.tokTypes);
+    }
+
+    return class Espree extends Parser {
+        constructor(opts, code) {
+            if (typeof opts !== "object" || opts === null) {
+                opts = {};
+            }
+            if (typeof code !== "string" && !(code instanceof String)) {
+                code = String(code);
+            }
+
+            const options = normalizeOptions(opts);
+            const ecmaFeatures = options.ecmaFeatures || {};
+            const tokenTranslator =
+                options.tokens === true
+                    ? new TokenTranslator(tokTypes, code)
+                    : null;
+
+            // Initialize acorn parser.
+            super({
+
+                // TODO: use {...options} when spread is supported(Node.js >= 8.3.0).
+                ecmaVersion: options.ecmaVersion,
+                sourceType: options.sourceType,
+                ranges: options.ranges,
+                locations: options.locations,
+
+                // Truthy value is true for backward compatibility.
+                allowReturnOutsideFunction: Boolean(ecmaFeatures.globalReturn),
+
+                // Collect tokens
+                onToken: token => {
+                    if (tokenTranslator) {
+
+                        // Use `tokens`, `ecmaVersion`, and `jsxAttrValueToken` in the state.
+                        tokenTranslator.onToken(token, this[STATE]);
+                    }
+                    if (token.type !== tokTypes.eof) {
+                        this[STATE].lastToken = token;
+                    }
+                },
+
+                // Collect comments
+                onComment: (block, text, start, end, startLoc, endLoc) => {
+                    if (this[STATE].comments) {
+                        const comment = convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc);
+
+                        this[STATE].comments.push(comment);
+                    }
+                }
+            }, code);
+
+            // Initialize internal state.
+            this[STATE] = {
+                tokens: tokenTranslator ? [] : null,
+                comments: options.comment === true ? [] : null,
+                impliedStrict: ecmaFeatures.impliedStrict === true && this.options.ecmaVersion >= 5,
+                ecmaVersion: this.options.ecmaVersion,
+                jsxAttrValueToken: false,
+                lastToken: null
+            };
+        }
+
+        tokenize() {
+            do {
+                this.next();
+            } while (this.type !== tokTypes.eof);
+
+            // Consume the final eof token
+            this.next();
+
+            const extra = this[STATE];
+            const tokens = extra.tokens;
+
+            if (extra.comments) {
+                tokens.comments = extra.comments;
+            }
+
+            return tokens;
+        }
+
+        finishNode(...args) {
+            const result = super.finishNode(...args);
+
+            return this[ESPRIMA_FINISH_NODE](result);
+        }
+
+        finishNodeAt(...args) {
+            const result = super.finishNodeAt(...args);
+
+            return this[ESPRIMA_FINISH_NODE](result);
+        }
+
+        parse() {
+            const extra = this[STATE];
+            const program = super.parse();
+
+            program.sourceType = this.options.sourceType;
+
+            if (extra.comments) {
+                program.comments = extra.comments;
+            }
+            if (extra.tokens) {
+                program.tokens = extra.tokens;
+            }
+
+            /*
+             * Adjust opening and closing position of program to match Esprima.
+             * Acorn always starts programs at range 0 whereas Esprima starts at the
+             * first AST node's start (the only real difference is when there's leading
+             * whitespace or leading comments). Acorn also counts trailing whitespace
+             * as part of the program whereas Esprima only counts up to the last token.
+             */
+            if (program.range) {
+                program.range[0] = program.body.length ? program.body[0].range[0] : program.range[0];
+                program.range[1] = extra.lastToken ? extra.lastToken.range[1] : program.range[1];
+            }
+            if (program.loc) {
+                program.loc.start = program.body.length ? program.body[0].loc.start : program.loc.start;
+                program.loc.end = extra.lastToken ? extra.lastToken.loc.end : program.loc.end;
+            }
+
+            return program;
+        }
+
+        parseTopLevel(node) {
+            if (this[STATE].impliedStrict) {
+                this.strict = true;
+            }
+            return super.parseTopLevel(node);
+        }
+
+        /**
+         * Overwrites the default raise method to throw Esprima-style errors.
+         * @param {int} pos The position of the error.
+         * @param {string} message The error message.
+         * @throws {SyntaxError} A syntax error.
+         * @returns {void}
+         */
+        raise(pos, message) {
+            const loc = Parser.acorn.getLineInfo(this.input, pos);
+            const err = new SyntaxError(message);
+
+            err.index = pos;
+            err.lineNumber = loc.line;
+            err.column = loc.column + 1; // acorn uses 0-based columns
+            throw err;
+        }
+
+        /**
+         * Overwrites the default raise method to throw Esprima-style errors.
+         * @param {int} pos The position of the error.
+         * @param {string} message The error message.
+         * @throws {SyntaxError} A syntax error.
+         * @returns {void}
+         */
+        raiseRecoverable(pos, message) {
+            this.raise(pos, message);
+        }
+
+        /**
+         * Overwrites the default unexpected method to throw Esprima-style errors.
+         * @param {int} pos The position of the error.
+         * @throws {SyntaxError} A syntax error.
+         * @returns {void}
+         */
+        unexpected(pos) {
+            let message = "Unexpected token";
+
+            if (pos !== null && pos !== void 0) {
+                this.pos = pos;
+
+                if (this.options.locations) {
+                    while (this.pos < this.lineStart) {
+                        this.lineStart = this.input.lastIndexOf("\n", this.lineStart - 2) + 1;
+                        --this.curLine;
+                    }
+                }
+
+                this.nextToken();
+            }
+
+            if (this.end > this.start) {
+                message += ` ${this.input.slice(this.start, this.end)}`;
+            }
+
+            this.raise(this.start, message);
+        }
+
+        /*
+        * Esprima-FB represents JSX strings as tokens called "JSXText", but Acorn-JSX
+        * uses regular tt.string without any distinction between this and regular JS
+        * strings. As such, we intercept an attempt to read a JSX string and set a flag
+        * on extra so that when tokens are converted, the next token will be switched
+        * to JSXText via onToken.
+        */
+        jsx_readString(quote) { // eslint-disable-line camelcase
+            const result = super.jsx_readString(quote);
+
+            if (this.type === tokTypes.string) {
+                this[STATE].jsxAttrValueToken = true;
+            }
+            return result;
+        }
+
+        /**
+         * Performs last-minute Esprima-specific compatibility checks and fixes.
+         * @param {ASTNode} result The node to check.
+         * @returns {ASTNode} The finished node.
+         */
+        [ESPRIMA_FINISH_NODE](result) {
+
+            // Acorn doesn't count the opening and closing backticks as part of templates
+            // so we have to adjust ranges/locations appropriately.
+            if (result.type === "TemplateElement") {
+
+                // additional adjustment needed if ${ is the last token
+                const terminalDollarBraceL = this.input.slice(result.end, result.end + 2) === "${";
+
+                if (result.range) {
+                    result.range[0]--;
+                    result.range[1] += (terminalDollarBraceL ? 2 : 1);
+                }
+
+                if (result.loc) {
+                    result.loc.start.column--;
+                    result.loc.end.column += (terminalDollarBraceL ? 2 : 1);
+                }
+            }
+
+            if (result.type.indexOf("Function") > -1 && !result.generator) {
+                result.generator = false;
+            }
+
+            return result;
+        }
+    };
+};

app_vue/node_modules/espree/lib/features.js

@@ -0,0 +1,29 @@
+/**
+ * @fileoverview The list of feature flags supported by the parser and their default
+ *      settings.
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// None!
+
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = {
+
+    // React JSX parsing
+    jsx: false,
+
+    // allow return statement in global scope
+    globalReturn: false,
+
+    // allow implied strict mode
+    impliedStrict: false
+};

app_vue/node_modules/espree/lib/options.js

@@ -0,0 +1,106 @@
+/**
+ * @fileoverview A collection of methods for processing Espree's options.
+ * @author Kai Cataldo
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const DEFAULT_ECMA_VERSION = 5;
+const SUPPORTED_VERSIONS = [
+    3,
+    5,
+    6,
+    7,
+    8,
+    9,
+    10,
+    11,
+    12
+];
+
+/**
+ * Normalize ECMAScript version from the initial config
+ * @param {number} ecmaVersion ECMAScript version from the initial config
+ * @throws {Error} throws an error if the ecmaVersion is invalid.
+ * @returns {number} normalized ECMAScript version
+ */
+function normalizeEcmaVersion(ecmaVersion = DEFAULT_ECMA_VERSION) {
+    if (typeof ecmaVersion !== "number") {
+        throw new Error(`ecmaVersion must be a number. Received value of type ${typeof ecmaVersion} instead.`);
+    }
+
+    let version = ecmaVersion;
+
+    // Calculate ECMAScript edition number from official year version starting with
+    // ES2015, which corresponds with ES6 (or a difference of 2009).
+    if (version >= 2015) {
+        version -= 2009;
+    }
+
+    if (!SUPPORTED_VERSIONS.includes(version)) {
+        throw new Error("Invalid ecmaVersion.");
+    }
+
+    return version;
+}
+
+/**
+ * Normalize sourceType from the initial config
+ * @param {string} sourceType to normalize
+ * @throws {Error} throw an error if sourceType is invalid
+ * @returns {string} normalized sourceType
+ */
+function normalizeSourceType(sourceType = "script") {
+    if (sourceType === "script" || sourceType === "module") {
+        return sourceType;
+    }
+    throw new Error("Invalid sourceType.");
+}
+
+/**
+ * Normalize parserOptions
+ * @param {Object} options the parser options to normalize
+ * @throws {Error} throw an error if found invalid option.
+ * @returns {Object} normalized options
+ */
+function normalizeOptions(options) {
+    const ecmaVersion = normalizeEcmaVersion(options.ecmaVersion);
+    const sourceType = normalizeSourceType(options.sourceType);
+    const ranges = options.range === true;
+    const locations = options.loc === true;
+
+    if (sourceType === "module" && ecmaVersion < 6) {
+        throw new Error("sourceType 'module' is not supported when ecmaVersion < 2015. Consider adding `{ ecmaVersion: 2015 }` to the parser options.");
+    }
+    return Object.assign({}, options, { ecmaVersion, sourceType, ranges, locations });
+}
+
+/**
+ * Get the latest ECMAScript version supported by Espree.
+ * @returns {number} The latest ECMAScript version.
+ */
+function getLatestEcmaVersion() {
+    return SUPPORTED_VERSIONS[SUPPORTED_VERSIONS.length - 1];
+}
+
+/**
+ * Get the list of ECMAScript versions supported by Espree.
+ * @returns {number[]} An array containing the supported ECMAScript versions.
+ */
+function getSupportedEcmaVersions() {
+    return [...SUPPORTED_VERSIONS];
+}
+
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = {
+    normalizeOptions,
+    getLatestEcmaVersion,
+    getSupportedEcmaVersions
+};

app_vue/node_modules/espree/lib/token-translator.js

@@ -0,0 +1,263 @@
+/**
+ * @fileoverview Translates tokens between Acorn format and Esprima format.
+ * @author Nicholas C. Zakas
+ */
+/* eslint no-underscore-dangle: 0 */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// none!
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+
+// Esprima Token Types
+const Token = {
+    Boolean: "Boolean",
+    EOF: "<end>",
+    Identifier: "Identifier",
+    Keyword: "Keyword",
+    Null: "Null",
+    Numeric: "Numeric",
+    Punctuator: "Punctuator",
+    String: "String",
+    RegularExpression: "RegularExpression",
+    Template: "Template",
+    JSXIdentifier: "JSXIdentifier",
+    JSXText: "JSXText"
+};
+
+/**
+ * Converts part of a template into an Esprima token.
+ * @param {AcornToken[]} tokens The Acorn tokens representing the template.
+ * @param {string} code The source code.
+ * @returns {EsprimaToken} The Esprima equivalent of the template token.
+ * @private
+ */
+function convertTemplatePart(tokens, code) {
+    const firstToken = tokens[0],
+        lastTemplateToken = tokens[tokens.length - 1];
+
+    const token = {
+        type: Token.Template,
+        value: code.slice(firstToken.start, lastTemplateToken.end)
+    };
+
+    if (firstToken.loc) {
+        token.loc = {
+            start: firstToken.loc.start,
+            end: lastTemplateToken.loc.end
+        };
+    }
+
+    if (firstToken.range) {
+        token.start = firstToken.range[0];
+        token.end = lastTemplateToken.range[1];
+        token.range = [token.start, token.end];
+    }
+
+    return token;
+}
+
+/**
+ * Contains logic to translate Acorn tokens into Esprima tokens.
+ * @param {Object} acornTokTypes The Acorn token types.
+ * @param {string} code The source code Acorn is parsing. This is necessary
+ *      to correct the "value" property of some tokens.
+ * @constructor
+ */
+function TokenTranslator(acornTokTypes, code) {
+
+    // token types
+    this._acornTokTypes = acornTokTypes;
+
+    // token buffer for templates
+    this._tokens = [];
+
+    // track the last curly brace
+    this._curlyBrace = null;
+
+    // the source code
+    this._code = code;
+
+}
+
+TokenTranslator.prototype = {
+    constructor: TokenTranslator,
+
+    /**
+     * Translates a single Esprima token to a single Acorn token. This may be
+     * inaccurate due to how templates are handled differently in Esprima and
+     * Acorn, but should be accurate for all other tokens.
+     * @param {AcornToken} token The Acorn token to translate.
+     * @param {Object} extra Espree extra object.
+     * @returns {EsprimaToken} The Esprima version of the token.
+     */
+    translate(token, extra) {
+
+        const type = token.type,
+            tt = this._acornTokTypes;
+
+        if (type === tt.name) {
+            token.type = Token.Identifier;
+
+            // TODO: See if this is an Acorn bug
+            if (token.value === "static") {
+                token.type = Token.Keyword;
+            }
+
+            if (extra.ecmaVersion > 5 && (token.value === "yield" || token.value === "let")) {
+                token.type = Token.Keyword;
+            }
+
+        } else if (type === tt.semi || type === tt.comma ||
+                 type === tt.parenL || type === tt.parenR ||
+                 type === tt.braceL || type === tt.braceR ||
+                 type === tt.dot || type === tt.bracketL ||
+                 type === tt.colon || type === tt.question ||
+                 type === tt.bracketR || type === tt.ellipsis ||
+                 type === tt.arrow || type === tt.jsxTagStart ||
+                 type === tt.incDec || type === tt.starstar ||
+                 type === tt.jsxTagEnd || type === tt.prefix ||
+                 type === tt.questionDot ||
+                 (type.binop && !type.keyword) ||
+                 type.isAssign) {
+
+            token.type = Token.Punctuator;
+            token.value = this._code.slice(token.start, token.end);
+        } else if (type === tt.jsxName) {
+            token.type = Token.JSXIdentifier;
+        } else if (type.label === "jsxText" || type === tt.jsxAttrValueToken) {
+            token.type = Token.JSXText;
+        } else if (type.keyword) {
+            if (type.keyword === "true" || type.keyword === "false") {
+                token.type = Token.Boolean;
+            } else if (type.keyword === "null") {
+                token.type = Token.Null;
+            } else {
+                token.type = Token.Keyword;
+            }
+        } else if (type === tt.num) {
+            token.type = Token.Numeric;
+            token.value = this._code.slice(token.start, token.end);
+        } else if (type === tt.string) {
+
+            if (extra.jsxAttrValueToken) {
+                extra.jsxAttrValueToken = false;
+                token.type = Token.JSXText;
+            } else {
+                token.type = Token.String;
+            }
+
+            token.value = this._code.slice(token.start, token.end);
+        } else if (type === tt.regexp) {
+            token.type = Token.RegularExpression;
+            const value = token.value;
+
+            token.regex = {
+                flags: value.flags,
+                pattern: value.pattern
+            };
+            token.value = `/${value.pattern}/${value.flags}`;
+        }
+
+        return token;
+    },
+
+    /**
+     * Function to call during Acorn's onToken handler.
+     * @param {AcornToken} token The Acorn token.
+     * @param {Object} extra The Espree extra object.
+     * @returns {void}
+     */
+    onToken(token, extra) {
+
+        const that = this,
+            tt = this._acornTokTypes,
+            tokens = extra.tokens,
+            templateTokens = this._tokens;
+
+        /**
+         * Flushes the buffered template tokens and resets the template
+         * tracking.
+         * @returns {void}
+         * @private
+         */
+        function translateTemplateTokens() {
+            tokens.push(convertTemplatePart(that._tokens, that._code));
+            that._tokens = [];
+        }
+
+        if (token.type === tt.eof) {
+
+            // might be one last curlyBrace
+            if (this._curlyBrace) {
+                tokens.push(this.translate(this._curlyBrace, extra));
+            }
+
+            return;
+        }
+
+        if (token.type === tt.backQuote) {
+
+            // if there's already a curly, it's not part of the template
+            if (this._curlyBrace) {
+                tokens.push(this.translate(this._curlyBrace, extra));
+                this._curlyBrace = null;
+            }
+
+            templateTokens.push(token);
+
+            // it's the end
+            if (templateTokens.length > 1) {
+                translateTemplateTokens();
+            }
+
+            return;
+        }
+        if (token.type === tt.dollarBraceL) {
+            templateTokens.push(token);
+            translateTemplateTokens();
+            return;
+        }
+        if (token.type === tt.braceR) {
+
+            // if there's already a curly, it's not part of the template
+            if (this._curlyBrace) {
+                tokens.push(this.translate(this._curlyBrace, extra));
+            }
+
+            // store new curly for later
+            this._curlyBrace = token;
+            return;
+        }
+        if (token.type === tt.template || token.type === tt.invalidTemplate) {
+            if (this._curlyBrace) {
+                templateTokens.push(this._curlyBrace);
+                this._curlyBrace = null;
+            }
+
+            templateTokens.push(token);
+            return;
+        }
+
+        if (this._curlyBrace) {
+            tokens.push(this.translate(this._curlyBrace, extra));
+            this._curlyBrace = null;
+        }
+
+        tokens.push(this.translate(token, extra));
+    }
+};
+
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = TokenTranslator;

app_vue/node_modules/espree/lib/visitor-keys.js

@@ -0,0 +1,123 @@
+/**
+ * @fileoverview The visitor keys for the node types Espree supports
+ * @author Nicholas C. Zakas
+ *
+ * This file contains code from estraverse-fb.
+ *
+ * The MIT license. Copyright (c) 2014 Ingvar Stepanyan
+ *
+ * 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.
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// None!
+
+//------------------------------------------------------------------------------
+// Public
+//------------------------------------------------------------------------------
+
+module.exports = {
+
+    // ECMAScript
+    AssignmentExpression: ["left", "right"],
+    AssignmentPattern: ["left", "right"],
+    ArrayExpression: ["elements"],
+    ArrayPattern: ["elements"],
+    ArrowFunctionExpression: ["params", "body"],
+    BlockStatement: ["body"],
+    BinaryExpression: ["left", "right"],
+    BreakStatement: ["label"],
+    CallExpression: ["callee", "arguments"],
+    CatchClause: ["param", "body"],
+    ClassBody: ["body"],
+    ClassDeclaration: ["id", "superClass", "body"],
+    ClassExpression: ["id", "superClass", "body"],
+    ConditionalExpression: ["test", "consequent", "alternate"],
+    ContinueStatement: ["label"],
+    DebuggerStatement: [],
+    DirectiveStatement: [],
+    DoWhileStatement: ["body", "test"],
+    EmptyStatement: [],
+    ExportAllDeclaration: ["source"],
+    ExportDefaultDeclaration: ["declaration"],
+    ExportNamedDeclaration: ["declaration", "specifiers", "source"],
+    ExportSpecifier: ["exported", "local"],
+    ExpressionStatement: ["expression"],
+    ForStatement: ["init", "test", "update", "body"],
+    ForInStatement: ["left", "right", "body"],
+    ForOfStatement: ["left", "right", "body"],
+    FunctionDeclaration: ["id", "params", "body"],
+    FunctionExpression: ["id", "params", "body"],
+    Identifier: [],
+    IfStatement: ["test", "consequent", "alternate"],
+    ImportDeclaration: ["specifiers", "source"],
+    ImportDefaultSpecifier: ["local"],
+    ImportNamespaceSpecifier: ["local"],
+    ImportSpecifier: ["imported", "local"],
+    Literal: [],
+    LabeledStatement: ["label", "body"],
+    LogicalExpression: ["left", "right"],
+    MemberExpression: ["object", "property"],
+    MetaProperty: ["meta", "property"],
+    MethodDefinition: ["key", "value"],
+    ModuleSpecifier: [],
+    NewExpression: ["callee", "arguments"],
+    ObjectExpression: ["properties"],
+    ObjectPattern: ["properties"],
+    Program: ["body"],
+    Property: ["key", "value"],
+    RestElement: ["argument"],
+    ReturnStatement: ["argument"],
+    SequenceExpression: ["expressions"],
+    SpreadElement: ["argument"],
+    Super: [],
+    SwitchStatement: ["discriminant", "cases"],
+    SwitchCase: ["test", "consequent"],
+    TaggedTemplateExpression: ["tag", "quasi"],
+    TemplateElement: [],
+    TemplateLiteral: ["quasis", "expressions"],
+    ThisExpression: [],
+    ThrowStatement: ["argument"],
+    TryStatement: ["block", "handler", "finalizer"],
+    UnaryExpression: ["argument"],
+    UpdateExpression: ["argument"],
+    VariableDeclaration: ["declarations"],
+    VariableDeclarator: ["id", "init"],
+    WhileStatement: ["test", "body"],
+    WithStatement: ["object", "body"],
+    YieldExpression: ["argument"],
+
+    // JSX
+    JSXIdentifier: [],
+    JSXNamespacedName: ["namespace", "name"],
+    JSXMemberExpression: ["object", "property"],
+    JSXEmptyExpression: [],
+    JSXExpressionContainer: ["expression"],
+    JSXElement: ["openingElement", "closingElement", "children"],
+    JSXClosingElement: ["name"],
+    JSXOpeningElement: ["name", "attributes"],
+    JSXAttribute: ["name", "value"],
+    JSXText: null,
+    JSXSpreadAttribute: ["argument"]
+};