first commit

app_vue/node_modules/eslint/lib/source-code/index.js

@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = {
+    SourceCode: require("./source-code")
+};

app_vue/node_modules/eslint/lib/source-code/source-code.js

@@ -0,0 +1,587 @@
+/**
+ * @fileoverview Abstraction of JavaScript source code.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const
+    { isCommentToken } = require("eslint-utils"),
+    TokenStore = require("./token-store"),
+    astUtils = require("../shared/ast-utils"),
+    Traverser = require("../shared/traverser");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Validates that the given AST has the required information.
+ * @param {ASTNode} ast The Program node of the AST to check.
+ * @throws {Error} If the AST doesn't contain the correct information.
+ * @returns {void}
+ * @private
+ */
+function validate(ast) {
+    if (!ast.tokens) {
+        throw new Error("AST is missing the tokens array.");
+    }
+
+    if (!ast.comments) {
+        throw new Error("AST is missing the comments array.");
+    }
+
+    if (!ast.loc) {
+        throw new Error("AST is missing location information.");
+    }
+
+    if (!ast.range) {
+        throw new Error("AST is missing range information");
+    }
+}
+
+/**
+ * Check to see if its a ES6 export declaration.
+ * @param {ASTNode} astNode An AST node.
+ * @returns {boolean} whether the given node represents an export declaration.
+ * @private
+ */
+function looksLikeExport(astNode) {
+    return astNode.type === "ExportDefaultDeclaration" || astNode.type === "ExportNamedDeclaration" ||
+        astNode.type === "ExportAllDeclaration" || astNode.type === "ExportSpecifier";
+}
+
+/**
+ * Merges two sorted lists into a larger sorted list in O(n) time.
+ * @param {Token[]} tokens The list of tokens.
+ * @param {Token[]} comments The list of comments.
+ * @returns {Token[]} A sorted list of tokens and comments.
+ * @private
+ */
+function sortedMerge(tokens, comments) {
+    const result = [];
+    let tokenIndex = 0;
+    let commentIndex = 0;
+
+    while (tokenIndex < tokens.length || commentIndex < comments.length) {
+        if (commentIndex >= comments.length || tokenIndex < tokens.length && tokens[tokenIndex].range[0] < comments[commentIndex].range[0]) {
+            result.push(tokens[tokenIndex++]);
+        } else {
+            result.push(comments[commentIndex++]);
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Determines if two nodes or tokens overlap.
+ * @param {ASTNode|Token} first The first node or token to check.
+ * @param {ASTNode|Token} second The second node or token to check.
+ * @returns {boolean} True if the two nodes or tokens overlap.
+ * @private
+ */
+function nodesOrTokensOverlap(first, second) {
+    return (first.range[0] <= second.range[0] && first.range[1] >= second.range[0]) ||
+        (second.range[0] <= first.range[0] && second.range[1] >= first.range[0]);
+}
+
+/**
+ * Determines if two nodes or tokens have at least one whitespace character
+ * between them. Order does not matter. Returns false if the given nodes or
+ * tokens overlap.
+ * @param {SourceCode} sourceCode The source code object.
+ * @param {ASTNode|Token} first The first node or token to check between.
+ * @param {ASTNode|Token} second The second node or token to check between.
+ * @param {boolean} checkInsideOfJSXText If `true` is present, check inside of JSXText tokens for backward compatibility.
+ * @returns {boolean} True if there is a whitespace character between
+ * any of the tokens found between the two given nodes or tokens.
+ * @public
+ */
+function isSpaceBetween(sourceCode, first, second, checkInsideOfJSXText) {
+    if (nodesOrTokensOverlap(first, second)) {
+        return false;
+    }
+
+    const [startingNodeOrToken, endingNodeOrToken] = first.range[1] <= second.range[0]
+        ? [first, second]
+        : [second, first];
+    const firstToken = sourceCode.getLastToken(startingNodeOrToken) || startingNodeOrToken;
+    const finalToken = sourceCode.getFirstToken(endingNodeOrToken) || endingNodeOrToken;
+    let currentToken = firstToken;
+
+    while (currentToken !== finalToken) {
+        const nextToken = sourceCode.getTokenAfter(currentToken, { includeComments: true });
+
+        if (
+            currentToken.range[1] !== nextToken.range[0] ||
+
+                /*
+                 * For backward compatibility, check spaces in JSXText.
+                 * https://github.com/eslint/eslint/issues/12614
+                 */
+                (
+                    checkInsideOfJSXText &&
+                    nextToken !== finalToken &&
+                    nextToken.type === "JSXText" &&
+                    /\s/u.test(nextToken.value)
+                )
+        ) {
+            return true;
+        }
+
+        currentToken = nextToken;
+    }
+
+    return false;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+class SourceCode extends TokenStore {
+
+    /**
+     * Represents parsed source code.
+     * @param {string|Object} textOrConfig The source code text or config object.
+     * @param {string} textOrConfig.text The source code text.
+     * @param {ASTNode} textOrConfig.ast The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+     * @param {Object|null} textOrConfig.parserServices The parser services.
+     * @param {ScopeManager|null} textOrConfig.scopeManager The scope of this source code.
+     * @param {Object|null} textOrConfig.visitorKeys The visitor keys to traverse AST.
+     * @param {ASTNode} [astIfNoConfig] The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+     */
+    constructor(textOrConfig, astIfNoConfig) {
+        let text, ast, parserServices, scopeManager, visitorKeys;
+
+        // Process overloading.
+        if (typeof textOrConfig === "string") {
+            text = textOrConfig;
+            ast = astIfNoConfig;
+        } else if (typeof textOrConfig === "object" && textOrConfig !== null) {
+            text = textOrConfig.text;
+            ast = textOrConfig.ast;
+            parserServices = textOrConfig.parserServices;
+            scopeManager = textOrConfig.scopeManager;
+            visitorKeys = textOrConfig.visitorKeys;
+        }
+
+        validate(ast);
+        super(ast.tokens, ast.comments);
+
+        /**
+         * The flag to indicate that the source code has Unicode BOM.
+         * @type boolean
+         */
+        this.hasBOM = (text.charCodeAt(0) === 0xFEFF);
+
+        /**
+         * The original text source code.
+         * BOM was stripped from this text.
+         * @type string
+         */
+        this.text = (this.hasBOM ? text.slice(1) : text);
+
+        /**
+         * The parsed AST for the source code.
+         * @type ASTNode
+         */
+        this.ast = ast;
+
+        /**
+         * The parser services of this source code.
+         * @type {Object}
+         */
+        this.parserServices = parserServices || {};
+
+        /**
+         * The scope of this source code.
+         * @type {ScopeManager|null}
+         */
+        this.scopeManager = scopeManager || null;
+
+        /**
+         * The visitor keys to traverse AST.
+         * @type {Object}
+         */
+        this.visitorKeys = visitorKeys || Traverser.DEFAULT_VISITOR_KEYS;
+
+        // Check the source text for the presence of a shebang since it is parsed as a standard line comment.
+        const shebangMatched = this.text.match(astUtils.shebangPattern);
+        const hasShebang = shebangMatched && ast.comments.length && ast.comments[0].value === shebangMatched[1];
+
+        if (hasShebang) {
+            ast.comments[0].type = "Shebang";
+        }
+
+        this.tokensAndComments = sortedMerge(ast.tokens, ast.comments);
+
+        /**
+         * The source code split into lines according to ECMA-262 specification.
+         * This is done to avoid each rule needing to do so separately.
+         * @type string[]
+         */
+        this.lines = [];
+        this.lineStartIndices = [0];
+
+        const lineEndingPattern = astUtils.createGlobalLinebreakMatcher();
+        let match;
+
+        /*
+         * Previously, this was implemented using a regex that
+         * matched a sequence of non-linebreak characters followed by a
+         * linebreak, then adding the lengths of the matches. However,
+         * this caused a catastrophic backtracking issue when the end
+         * of a file contained a large number of non-newline characters.
+         * To avoid this, the current implementation just matches newlines
+         * and uses match.index to get the correct line start indices.
+         */
+        while ((match = lineEndingPattern.exec(this.text))) {
+            this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1], match.index));
+            this.lineStartIndices.push(match.index + match[0].length);
+        }
+        this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1]));
+
+        // Cache for comments found using getComments().
+        this._commentCache = new WeakMap();
+
+        // don't allow modification of this object
+        Object.freeze(this);
+        Object.freeze(this.lines);
+    }
+
+    /**
+     * Split the source code into multiple lines based on the line delimiters.
+     * @param {string} text Source code as a string.
+     * @returns {string[]} Array of source code lines.
+     * @public
+     */
+    static splitLines(text) {
+        return text.split(astUtils.createGlobalLinebreakMatcher());
+    }
+
+    /**
+     * Gets the source code for the given node.
+     * @param {ASTNode} [node] The AST node to get the text for.
+     * @param {int} [beforeCount] The number of characters before the node to retrieve.
+     * @param {int} [afterCount] The number of characters after the node to retrieve.
+     * @returns {string} The text representing the AST node.
+     * @public
+     */
+    getText(node, beforeCount, afterCount) {
+        if (node) {
+            return this.text.slice(Math.max(node.range[0] - (beforeCount || 0), 0),
+                node.range[1] + (afterCount || 0));
+        }
+        return this.text;
+    }
+
+    /**
+     * Gets the entire source text split into an array of lines.
+     * @returns {Array} The source text as an array of lines.
+     * @public
+     */
+    getLines() {
+        return this.lines;
+    }
+
+    /**
+     * Retrieves an array containing all comments in the source code.
+     * @returns {ASTNode[]} An array of comment nodes.
+     * @public
+     */
+    getAllComments() {
+        return this.ast.comments;
+    }
+
+    /**
+     * Gets all comments for the given node.
+     * @param {ASTNode} node The AST node to get the comments for.
+     * @returns {Object} An object containing a leading and trailing array
+     *      of comments indexed by their position.
+     * @public
+     * @deprecated replaced by getCommentsBefore(), getCommentsAfter(), and getCommentsInside().
+     */
+    getComments(node) {
+        if (this._commentCache.has(node)) {
+            return this._commentCache.get(node);
+        }
+
+        const comments = {
+            leading: [],
+            trailing: []
+        };
+
+        /*
+         * Return all comments as leading comments of the Program node when
+         * there is no executable code.
+         */
+        if (node.type === "Program") {
+            if (node.body.length === 0) {
+                comments.leading = node.comments;
+            }
+        } else {
+
+            /*
+             * Return comments as trailing comments of nodes that only contain
+             * comments (to mimic the comment attachment behavior present in Espree).
+             */
+            if ((node.type === "BlockStatement" || node.type === "ClassBody") && node.body.length === 0 ||
+                node.type === "ObjectExpression" && node.properties.length === 0 ||
+                node.type === "ArrayExpression" && node.elements.length === 0 ||
+                node.type === "SwitchStatement" && node.cases.length === 0
+            ) {
+                comments.trailing = this.getTokens(node, {
+                    includeComments: true,
+                    filter: isCommentToken
+                });
+            }
+
+            /*
+             * Iterate over tokens before and after node and collect comment tokens.
+             * Do not include comments that exist outside of the parent node
+             * to avoid duplication.
+             */
+            let currentToken = this.getTokenBefore(node, { includeComments: true });
+
+            while (currentToken && isCommentToken(currentToken)) {
+                if (node.parent && node.parent.type !== "Program" && (currentToken.start < node.parent.start)) {
+                    break;
+                }
+                comments.leading.push(currentToken);
+                currentToken = this.getTokenBefore(currentToken, { includeComments: true });
+            }
+
+            comments.leading.reverse();
+
+            currentToken = this.getTokenAfter(node, { includeComments: true });
+
+            while (currentToken && isCommentToken(currentToken)) {
+                if (node.parent && node.parent.type !== "Program" && (currentToken.end > node.parent.end)) {
+                    break;
+                }
+                comments.trailing.push(currentToken);
+                currentToken = this.getTokenAfter(currentToken, { includeComments: true });
+            }
+        }
+
+        this._commentCache.set(node, comments);
+        return comments;
+    }
+
+    /**
+     * Retrieves the JSDoc comment for a given node.
+     * @param {ASTNode} node The AST node to get the comment for.
+     * @returns {Token|null} The Block comment token containing the JSDoc comment
+     *      for the given node or null if not found.
+     * @public
+     * @deprecated
+     */
+    getJSDocComment(node) {
+
+        /**
+         * Checks for the presence of a JSDoc comment for the given node and returns it.
+         * @param {ASTNode} astNode The AST node to get the comment for.
+         * @returns {Token|null} The Block comment token containing the JSDoc comment
+         *      for the given node or null if not found.
+         * @private
+         */
+        const findJSDocComment = astNode => {
+            const tokenBefore = this.getTokenBefore(astNode, { includeComments: true });
+
+            if (
+                tokenBefore &&
+                isCommentToken(tokenBefore) &&
+                tokenBefore.type === "Block" &&
+                tokenBefore.value.charAt(0) === "*" &&
+                astNode.loc.start.line - tokenBefore.loc.end.line <= 1
+            ) {
+                return tokenBefore;
+            }
+
+            return null;
+        };
+        let parent = node.parent;
+
+        switch (node.type) {
+            case "ClassDeclaration":
+            case "FunctionDeclaration":
+                return findJSDocComment(looksLikeExport(parent) ? parent : node);
+
+            case "ClassExpression":
+                return findJSDocComment(parent.parent);
+
+            case "ArrowFunctionExpression":
+            case "FunctionExpression":
+                if (parent.type !== "CallExpression" && parent.type !== "NewExpression") {
+                    while (
+                        !this.getCommentsBefore(parent).length &&
+                        !/Function/u.test(parent.type) &&
+                        parent.type !== "MethodDefinition" &&
+                        parent.type !== "Property"
+                    ) {
+                        parent = parent.parent;
+
+                        if (!parent) {
+                            break;
+                        }
+                    }
+
+                    if (parent && parent.type !== "FunctionDeclaration" && parent.type !== "Program") {
+                        return findJSDocComment(parent);
+                    }
+                }
+
+                return findJSDocComment(node);
+
+            // falls through
+            default:
+                return null;
+        }
+    }
+
+    /**
+     * Gets the deepest node containing a range index.
+     * @param {int} index Range index of the desired node.
+     * @returns {ASTNode} The node if found or null if not found.
+     * @public
+     */
+    getNodeByRangeIndex(index) {
+        let result = null;
+
+        Traverser.traverse(this.ast, {
+            visitorKeys: this.visitorKeys,
+            enter(node) {
+                if (node.range[0] <= index && index < node.range[1]) {
+                    result = node;
+                } else {
+                    this.skip();
+                }
+            },
+            leave(node) {
+                if (node === result) {
+                    this.break();
+                }
+            }
+        });
+
+        return result;
+    }
+
+    /**
+     * Determines if two nodes or tokens have at least one whitespace character
+     * between them. Order does not matter. Returns false if the given nodes or
+     * tokens overlap.
+     * @param {ASTNode|Token} first The first node or token to check between.
+     * @param {ASTNode|Token} second The second node or token to check between.
+     * @returns {boolean} True if there is a whitespace character between
+     * any of the tokens found between the two given nodes or tokens.
+     * @public
+     */
+    isSpaceBetween(first, second) {
+        return isSpaceBetween(this, first, second, false);
+    }
+
+    /**
+     * Determines if two nodes or tokens have at least one whitespace character
+     * between them. Order does not matter. Returns false if the given nodes or
+     * tokens overlap.
+     * For backward compatibility, this method returns true if there are
+     * `JSXText` tokens that contain whitespaces between the two.
+     * @param {ASTNode|Token} first The first node or token to check between.
+     * @param {ASTNode|Token} second The second node or token to check between.
+     * @returns {boolean} True if there is a whitespace character between
+     * any of the tokens found between the two given nodes or tokens.
+     * @deprecated in favor of isSpaceBetween().
+     * @public
+     */
+    isSpaceBetweenTokens(first, second) {
+        return isSpaceBetween(this, first, second, true);
+    }
+
+    /**
+     * Converts a source text index into a (line, column) pair.
+     * @param {number} index The index of a character in a file
+     * @returns {Object} A {line, column} location object with a 0-indexed column
+     * @public
+     */
+    getLocFromIndex(index) {
+        if (typeof index !== "number") {
+            throw new TypeError("Expected `index` to be a number.");
+        }
+
+        if (index < 0 || index > this.text.length) {
+            throw new RangeError(`Index out of range (requested index ${index}, but source text has length ${this.text.length}).`);
+        }
+
+        /*
+         * For an argument of this.text.length, return the location one "spot" past the last character
+         * of the file. If the last character is a linebreak, the location will be column 0 of the next
+         * line; otherwise, the location will be in the next column on the same line.
+         *
+         * See getIndexFromLoc for the motivation for this special case.
+         */
+        if (index === this.text.length) {
+            return { line: this.lines.length, column: this.lines[this.lines.length - 1].length };
+        }
+
+        /*
+         * To figure out which line index is on, determine the last place at which index could
+         * be inserted into lineStartIndices to keep the list sorted.
+         */
+        const lineNumber = index >= this.lineStartIndices[this.lineStartIndices.length - 1]
+            ? this.lineStartIndices.length
+            : this.lineStartIndices.findIndex(el => index < el);
+
+        return { line: lineNumber, column: index - this.lineStartIndices[lineNumber - 1] };
+    }
+
+    /**
+     * Converts a (line, column) pair into a range index.
+     * @param {Object} loc A line/column location
+     * @param {number} loc.line The line number of the location (1-indexed)
+     * @param {number} loc.column The column number of the location (0-indexed)
+     * @returns {number} The range index of the location in the file.
+     * @public
+     */
+    getIndexFromLoc(loc) {
+        if (typeof loc !== "object" || typeof loc.line !== "number" || typeof loc.column !== "number") {
+            throw new TypeError("Expected `loc` to be an object with numeric `line` and `column` properties.");
+        }
+
+        if (loc.line <= 0) {
+            throw new RangeError(`Line number out of range (line ${loc.line} requested). Line numbers should be 1-based.`);
+        }
+
+        if (loc.line > this.lineStartIndices.length) {
+            throw new RangeError(`Line number out of range (line ${loc.line} requested, but only ${this.lineStartIndices.length} lines present).`);
+        }
+
+        const lineStartIndex = this.lineStartIndices[loc.line - 1];
+        const lineEndIndex = loc.line === this.lineStartIndices.length ? this.text.length : this.lineStartIndices[loc.line];
+        const positionIndex = lineStartIndex + loc.column;
+
+        /*
+         * By design, getIndexFromLoc({ line: lineNum, column: 0 }) should return the start index of
+         * the given line, provided that the line number is valid element of this.lines. Since the
+         * last element of this.lines is an empty string for files with trailing newlines, add a
+         * special case where getting the index for the first location after the end of the file
+         * will return the length of the file, rather than throwing an error. This allows rules to
+         * use getIndexFromLoc consistently without worrying about edge cases at the end of a file.
+         */
+        if (
+            loc.line === this.lineStartIndices.length && positionIndex > lineEndIndex ||
+            loc.line < this.lineStartIndices.length && positionIndex >= lineEndIndex
+        ) {
+            throw new RangeError(`Column number out of range (column ${loc.column} requested, but the length of line ${loc.line} is ${lineEndIndex - lineStartIndex}).`);
+        }
+
+        return positionIndex;
+    }
+}
+
+module.exports = SourceCode;

app_vue/node_modules/eslint/lib/source-code/token-store/backward-token-comment-cursor.js

@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments in reverse.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments in reverse.
+ */
+module.exports = class BackwardTokenCommentCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.comments = comments;
+        this.tokenIndex = utils.getLastIndex(tokens, indexMap, endLoc);
+        this.commentIndex = utils.search(comments, endLoc) - 1;
+        this.border = startLoc;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const token = (this.tokenIndex >= 0) ? this.tokens[this.tokenIndex] : null;
+        const comment = (this.commentIndex >= 0) ? this.comments[this.commentIndex] : null;
+
+        if (token && (!comment || token.range[1] > comment.range[1])) {
+            this.current = token;
+            this.tokenIndex -= 1;
+        } else if (comment) {
+            this.current = comment;
+            this.commentIndex -= 1;
+        } else {
+            this.current = null;
+        }
+
+        return Boolean(this.current) && (this.border === -1 || this.current.range[0] >= this.border);
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/backward-token-cursor.js

@@ -0,0 +1,58 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only in reverse.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only in reverse.
+ */
+module.exports = class BackwardTokenCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.index = utils.getLastIndex(tokens, indexMap, endLoc);
+        this.indexEnd = utils.getFirstIndex(tokens, indexMap, startLoc);
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.index >= this.indexEnd) {
+            this.current = this.tokens[this.index];
+            this.index -= 1;
+            return true;
+        }
+        return false;
+    }
+
+    /*
+     *
+     * Shorthand for performance.
+     *
+     */
+
+    /** @inheritdoc */
+    getOneToken() {
+        return (this.index >= this.indexEnd) ? this.tokens[this.index] : null;
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/cursor.js

@@ -0,0 +1,76 @@
+/**
+ * @fileoverview Define the abstract class about cursors which iterate tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which iterate tokens.
+ *
+ * This class has 2 abstract methods.
+ *
+ * - `current: Token | Comment | null` ... The current token.
+ * - `moveNext(): boolean` ... Moves this cursor to the next token. If the next token didn't exist, it returns `false`.
+ *
+ * This is similar to ES2015 Iterators.
+ * However, Iterators were slow (at 2017-01), so I created this class as similar to C# IEnumerable.
+ *
+ * There are the following known sub classes.
+ *
+ * - ForwardTokenCursor .......... The cursor which iterates tokens only.
+ * - BackwardTokenCursor ......... The cursor which iterates tokens only in reverse.
+ * - ForwardTokenCommentCursor ... The cursor which iterates tokens and comments.
+ * - BackwardTokenCommentCursor .. The cursor which iterates tokens and comments in reverse.
+ * - DecorativeCursor
+ *     - FilterCursor ............ The cursor which ignores the specified tokens.
+ *     - SkipCursor .............. The cursor which ignores the first few tokens.
+ *     - LimitCursor ............. The cursor which limits the count of tokens.
+ *
+ */
+module.exports = class Cursor {
+
+    /**
+     * Initializes this cursor.
+     */
+    constructor() {
+        this.current = null;
+    }
+
+    /**
+     * Gets the first token.
+     * This consumes this cursor.
+     * @returns {Token|Comment} The first token or null.
+     */
+    getOneToken() {
+        return this.moveNext() ? this.current : null;
+    }
+
+    /**
+     * Gets the first tokens.
+     * This consumes this cursor.
+     * @returns {(Token|Comment)[]} All tokens.
+     */
+    getAllTokens() {
+        const tokens = [];
+
+        while (this.moveNext()) {
+            tokens.push(this.current);
+        }
+
+        return tokens;
+    }
+
+    /**
+     * Moves this cursor to the next token.
+     * @returns {boolean} `true` if the next token exists.
+     * @abstract
+     */
+    /* istanbul ignore next */
+    moveNext() { // eslint-disable-line class-methods-use-this
+        throw new Error("Not implemented.");
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/cursors.js

@@ -0,0 +1,90 @@
+/**
+ * @fileoverview Define 2 token factories; forward and backward.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const BackwardTokenCommentCursor = require("./backward-token-comment-cursor");
+const BackwardTokenCursor = require("./backward-token-cursor");
+const FilterCursor = require("./filter-cursor");
+const ForwardTokenCommentCursor = require("./forward-token-comment-cursor");
+const ForwardTokenCursor = require("./forward-token-cursor");
+const LimitCursor = require("./limit-cursor");
+const SkipCursor = require("./skip-cursor");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor factory.
+ * @private
+ */
+class CursorFactory {
+
+    /**
+     * Initializes this cursor.
+     * @param {Function} TokenCursor The class of the cursor which iterates tokens only.
+     * @param {Function} TokenCommentCursor The class of the cursor which iterates the mix of tokens and comments.
+     */
+    constructor(TokenCursor, TokenCommentCursor) {
+        this.TokenCursor = TokenCursor;
+        this.TokenCommentCursor = TokenCommentCursor;
+    }
+
+    /**
+     * Creates a base cursor instance that can be decorated by createCursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     * @param {boolean} includeComments The flag to iterate comments as well.
+     * @returns {Cursor} The created base cursor.
+     */
+    createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments) {
+        const Cursor = includeComments ? this.TokenCommentCursor : this.TokenCursor;
+
+        return new Cursor(tokens, comments, indexMap, startLoc, endLoc);
+    }
+
+    /**
+     * Creates a cursor that iterates tokens with normalized options.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     * @param {boolean} includeComments The flag to iterate comments as well.
+     * @param {Function|null} filter The predicate function to choose tokens.
+     * @param {number} skip The count of tokens the cursor skips.
+     * @param {number} count The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+     * @returns {Cursor} The created cursor.
+     */
+    createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, count) {
+        let cursor = this.createBaseCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments);
+
+        if (filter) {
+            cursor = new FilterCursor(cursor, filter);
+        }
+        if (skip >= 1) {
+            cursor = new SkipCursor(cursor, skip);
+        }
+        if (count >= 0) {
+            cursor = new LimitCursor(cursor, count);
+        }
+
+        return cursor;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+exports.forward = new CursorFactory(ForwardTokenCursor, ForwardTokenCommentCursor);
+exports.backward = new CursorFactory(BackwardTokenCursor, BackwardTokenCommentCursor);

app_vue/node_modules/eslint/lib/source-code/token-store/decorative-cursor.js

@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Define the abstract class about cursors which manipulate another cursor.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which manipulate another cursor.
+ */
+module.exports = class DecorativeCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     */
+    constructor(cursor) {
+        super();
+        this.cursor = cursor;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const retv = this.cursor.moveNext();
+
+        this.current = this.cursor.current;
+
+        return retv;
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/filter-cursor.js

@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Define the cursor which ignores specified tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores specified tokens.
+ */
+module.exports = class FilterCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {Function} predicate The predicate function to decide tokens this cursor iterates.
+     */
+    constructor(cursor, predicate) {
+        super(cursor);
+        this.predicate = predicate;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const predicate = this.predicate;
+
+        while (super.moveNext()) {
+            if (predicate(this.current)) {
+                return true;
+            }
+        }
+        return false;
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/forward-token-comment-cursor.js

@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments.
+ */
+module.exports = class ForwardTokenCommentCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.comments = comments;
+        this.tokenIndex = utils.getFirstIndex(tokens, indexMap, startLoc);
+        this.commentIndex = utils.search(comments, startLoc);
+        this.border = endLoc;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        const token = (this.tokenIndex < this.tokens.length) ? this.tokens[this.tokenIndex] : null;
+        const comment = (this.commentIndex < this.comments.length) ? this.comments[this.commentIndex] : null;
+
+        if (token && (!comment || token.range[0] < comment.range[0])) {
+            this.current = token;
+            this.tokenIndex += 1;
+        } else if (comment) {
+            this.current = comment;
+            this.commentIndex += 1;
+        } else {
+            this.current = null;
+        }
+
+        return Boolean(this.current) && (this.border === -1 || this.current.range[1] <= this.border);
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/forward-token-cursor.js

@@ -0,0 +1,63 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only.
+ */
+module.exports = class ForwardTokenCursor extends Cursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc) {
+        super();
+        this.tokens = tokens;
+        this.index = utils.getFirstIndex(tokens, indexMap, startLoc);
+        this.indexEnd = utils.getLastIndex(tokens, indexMap, endLoc);
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.index <= this.indexEnd) {
+            this.current = this.tokens[this.index];
+            this.index += 1;
+            return true;
+        }
+        return false;
+    }
+
+    /*
+     *
+     * Shorthand for performance.
+     *
+     */
+
+    /** @inheritdoc */
+    getOneToken() {
+        return (this.index <= this.indexEnd) ? this.tokens[this.index] : null;
+    }
+
+    /** @inheritdoc */
+    getAllTokens() {
+        return this.tokens.slice(this.index, this.indexEnd + 1);
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/index.js

@@ -0,0 +1,627 @@
+/**
+ * @fileoverview Object to handle access and retrieval of tokens.
+ * @author Brandon Mills
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert");
+const { isCommentToken } = require("eslint-utils");
+const cursors = require("./cursors");
+const ForwardTokenCursor = require("./forward-token-cursor");
+const PaddedTokenCursor = require("./padded-token-cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const TOKENS = Symbol("tokens");
+const COMMENTS = Symbol("comments");
+const INDEX_MAP = Symbol("indexMap");
+
+/**
+ * Creates the map from locations to indices in `tokens`.
+ *
+ * The first/last location of tokens is mapped to the index of the token.
+ * The first/last location of comments is mapped to the index of the next token of each comment.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @returns {Object} The map from locations to indices in `tokens`.
+ * @private
+ */
+function createIndexMap(tokens, comments) {
+    const map = Object.create(null);
+    let tokenIndex = 0;
+    let commentIndex = 0;
+    let nextStart = 0;
+    let range = null;
+
+    while (tokenIndex < tokens.length || commentIndex < comments.length) {
+        nextStart = (commentIndex < comments.length) ? comments[commentIndex].range[0] : Number.MAX_SAFE_INTEGER;
+        while (tokenIndex < tokens.length && (range = tokens[tokenIndex].range)[0] < nextStart) {
+            map[range[0]] = tokenIndex;
+            map[range[1] - 1] = tokenIndex;
+            tokenIndex += 1;
+        }
+
+        nextStart = (tokenIndex < tokens.length) ? tokens[tokenIndex].range[0] : Number.MAX_SAFE_INTEGER;
+        while (commentIndex < comments.length && (range = comments[commentIndex].range)[0] < nextStart) {
+            map[range[0]] = tokenIndex;
+            map[range[1] - 1] = tokenIndex;
+            commentIndex += 1;
+        }
+    }
+
+    return map;
+}
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {CursorFactory} factory The cursor factory to initialize cursor.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.skip`. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments=false] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.skip=0] The count of tokens the cursor skips.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+function createCursorWithSkip(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+    let includeComments = false;
+    let skip = 0;
+    let filter = null;
+
+    if (typeof opts === "number") {
+        skip = opts | 0;
+    } else if (typeof opts === "function") {
+        filter = opts;
+    } else if (opts) {
+        includeComments = !!opts.includeComments;
+        skip = opts.skip | 0;
+        filter = opts.filter || null;
+    }
+    assert(skip >= 0, "options.skip should be zero or a positive integer.");
+    assert(!filter || typeof filter === "function", "options.filter should be a function.");
+
+    return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, skip, -1);
+}
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {CursorFactory} factory The cursor factory to initialize cursor.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.count`. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+function createCursorWithCount(factory, tokens, comments, indexMap, startLoc, endLoc, opts) {
+    let includeComments = false;
+    let count = 0;
+    let countExists = false;
+    let filter = null;
+
+    if (typeof opts === "number") {
+        count = opts | 0;
+        countExists = true;
+    } else if (typeof opts === "function") {
+        filter = opts;
+    } else if (opts) {
+        includeComments = !!opts.includeComments;
+        count = opts.count | 0;
+        countExists = typeof opts.count === "number";
+        filter = opts.filter || null;
+    }
+    assert(count >= 0, "options.count should be zero or a positive integer.");
+    assert(!filter || typeof filter === "function", "options.filter should be a function.");
+
+    return factory.createCursor(tokens, comments, indexMap, startLoc, endLoc, includeComments, filter, 0, countExists ? count : -1);
+}
+
+/**
+ * Creates the cursor iterates tokens with options.
+ * This is overload function of the below.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {Function|Object} opts The option object. If this is a function then it's `opts.filter`.
+ * @param {boolean} [opts.includeComments] The flag to iterate comments as well.
+ * @param {Function|null} [opts.filter=null] The predicate function to choose tokens.
+ * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+/**
+ * Creates the cursor iterates tokens with options.
+ * @param {Token[]} tokens The array of tokens.
+ * @param {Comment[]} comments The array of comments.
+ * @param {Object} indexMap The map from locations to indices in `tokens`.
+ * @param {number} startLoc The start location of the iteration range.
+ * @param {number} endLoc The end location of the iteration range.
+ * @param {number} [beforeCount=0] The number of tokens before the node to retrieve.
+ * @param {boolean} [afterCount=0] The number of tokens after the node to retrieve.
+ * @returns {Cursor} The created cursor.
+ * @private
+ */
+function createCursorWithPadding(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+    if (typeof beforeCount === "undefined" && typeof afterCount === "undefined") {
+        return new ForwardTokenCursor(tokens, comments, indexMap, startLoc, endLoc);
+    }
+    if (typeof beforeCount === "number" || typeof beforeCount === "undefined") {
+        return new PaddedTokenCursor(tokens, comments, indexMap, startLoc, endLoc, beforeCount | 0, afterCount | 0);
+    }
+    return createCursorWithCount(cursors.forward, tokens, comments, indexMap, startLoc, endLoc, beforeCount);
+}
+
+/**
+ * Gets comment tokens that are adjacent to the current cursor position.
+ * @param {Cursor} cursor A cursor instance.
+ * @returns {Array} An array of comment tokens adjacent to the current cursor position.
+ * @private
+ */
+function getAdjacentCommentTokensFromCursor(cursor) {
+    const tokens = [];
+    let currentToken = cursor.getOneToken();
+
+    while (currentToken && isCommentToken(currentToken)) {
+        tokens.push(currentToken);
+        currentToken = cursor.getOneToken();
+    }
+
+    return tokens;
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The token store.
+ *
+ * This class provides methods to get tokens by locations as fast as possible.
+ * The methods are a part of public API, so we should be careful if it changes this class.
+ *
+ * People can get tokens in O(1) by the hash map which is mapping from the location of tokens/comments to tokens.
+ * Also people can get a mix of tokens and comments in O(log k), the k is the number of comments.
+ * Assuming that comments to be much fewer than tokens, this does not make hash map from token's locations to comments to reduce memory cost.
+ * This uses binary-searching instead for comments.
+ */
+module.exports = class TokenStore {
+
+    /**
+     * Initializes this token store.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     */
+    constructor(tokens, comments) {
+        this[TOKENS] = tokens;
+        this[COMMENTS] = comments;
+        this[INDEX_MAP] = createIndexMap(tokens, comments);
+    }
+
+    //--------------------------------------------------------------------------
+    // Gets single token.
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets the token starting at the specified index.
+     * @param {number} offset Index of the start of the token's range.
+     * @param {Object} [options=0] The option object.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @returns {Token|null} The token starting at index, or null if no such token.
+     */
+    getTokenByRangeStart(offset, options) {
+        const includeComments = options && options.includeComments;
+        const token = cursors.forward.createBaseCursor(
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            offset,
+            -1,
+            includeComments
+        ).getOneToken();
+
+        if (token && token.range[0] === offset) {
+            return token;
+        }
+        return null;
+    }
+
+    /**
+     * Gets the first token of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.skip`. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.skip=0] The count of tokens the cursor skips.
+     * @returns {Token|null} An object representing the token.
+     */
+    getFirstToken(node, options) {
+        return createCursorWithSkip(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the last token of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getLastToken(node, options) {
+        return createCursorWithSkip(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the token that precedes a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getTokenBefore(node, options) {
+        return createCursorWithSkip(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            -1,
+            node.range[0],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the token that follows a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getTokenAfter(node, options) {
+        return createCursorWithSkip(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[1],
+            -1,
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the first token between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getFirstTokenBetween(left, right, options) {
+        return createCursorWithSkip(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the last token between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken()
+     * @returns {Token|null} An object representing the token.
+     */
+    getLastTokenBetween(left, right, options) {
+        return createCursorWithSkip(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getOneToken();
+    }
+
+    /**
+     * Gets the token that precedes a given node or token in the token stream.
+     * This is defined for backward compatibility. Use `includeComments` option instead.
+     * TODO: We have a plan to remove this in a future major version.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number} [skip=0] A number of tokens to skip.
+     * @returns {Token|null} An object representing the token.
+     * @deprecated
+     */
+    getTokenOrCommentBefore(node, skip) {
+        return this.getTokenBefore(node, { includeComments: true, skip });
+    }
+
+    /**
+     * Gets the token that follows a given node or token in the token stream.
+     * This is defined for backward compatibility. Use `includeComments` option instead.
+     * TODO: We have a plan to remove this in a future major version.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number} [skip=0] A number of tokens to skip.
+     * @returns {Token|null} An object representing the token.
+     * @deprecated
+     */
+    getTokenOrCommentAfter(node, skip) {
+        return this.getTokenAfter(node, { includeComments: true, skip });
+    }
+
+    //--------------------------------------------------------------------------
+    // Gets multiple tokens.
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets the first `count` tokens of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.count`. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+     * @returns {Token[]} Tokens.
+     */
+    getFirstTokens(node, options) {
+        return createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets the last `count` tokens of the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens.
+     */
+    getLastTokens(node, options) {
+        return createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            options
+        ).getAllTokens().reverse();
+    }
+
+    /**
+     * Gets the `count` tokens that precedes a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens.
+     */
+    getTokensBefore(node, options) {
+        return createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            -1,
+            node.range[0],
+            options
+        ).getAllTokens().reverse();
+    }
+
+    /**
+     * Gets the `count` tokens that follows a given node or token.
+     * @param {ASTNode|Token|Comment} node The AST node or token.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens.
+     */
+    getTokensAfter(node, options) {
+        return createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[1],
+            -1,
+            options
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets the first `count` tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens between left and right.
+     */
+    getFirstTokensBetween(left, right, options) {
+        return createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets the last `count` tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens()
+     * @returns {Token[]} Tokens between left and right.
+     */
+    getLastTokensBetween(left, right, options) {
+        return createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            options
+        ).getAllTokens().reverse();
+    }
+
+    /**
+     * Gets all tokens that are related to the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {Function|Object} options The option object. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+     * @returns {Token[]} Array of objects representing tokens.
+     */
+    /**
+     * Gets all tokens that are related to the given node.
+     * @param {ASTNode} node The AST node.
+     * @param {int} [beforeCount=0] The number of tokens before the node to retrieve.
+     * @param {int} [afterCount=0] The number of tokens after the node to retrieve.
+     * @returns {Token[]} Array of objects representing tokens.
+     */
+    getTokens(node, beforeCount, afterCount) {
+        return createCursorWithPadding(
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            node.range[0],
+            node.range[1],
+            beforeCount,
+            afterCount
+        ).getAllTokens();
+    }
+
+    /**
+     * Gets all of the tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {Function|Object} options The option object. If this is a function then it's `options.filter`.
+     * @param {boolean} [options.includeComments=false] The flag to iterate comments as well.
+     * @param {Function|null} [options.filter=null] The predicate function to choose tokens.
+     * @param {number} [options.count=0] The maximum count of tokens the cursor iterates.
+     * @returns {Token[]} Tokens between left and right.
+     */
+    /**
+     * Gets all of the tokens between two non-overlapping nodes.
+     * @param {ASTNode|Token|Comment} left Node before the desired token range.
+     * @param {ASTNode|Token|Comment} right Node after the desired token range.
+     * @param {int} [padding=0] Number of extra tokens on either side of center.
+     * @returns {Token[]} Tokens between left and right.
+     */
+    getTokensBetween(left, right, padding) {
+        return createCursorWithPadding(
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            left.range[1],
+            right.range[0],
+            padding,
+            padding
+        ).getAllTokens();
+    }
+
+    //--------------------------------------------------------------------------
+    // Others.
+    //--------------------------------------------------------------------------
+
+    /**
+     * Checks whether any comments exist or not between the given 2 nodes.
+     * @param {ASTNode} left The node to check.
+     * @param {ASTNode} right The node to check.
+     * @returns {boolean} `true` if one or more comments exist.
+     */
+    commentsExistBetween(left, right) {
+        const index = utils.search(this[COMMENTS], left.range[1]);
+
+        return (
+            index < this[COMMENTS].length &&
+            this[COMMENTS][index].range[1] <= right.range[0]
+        );
+    }
+
+    /**
+     * Gets all comment tokens directly before the given node or token.
+     * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens.
+     * @returns {Array} An array of comments in occurrence order.
+     */
+    getCommentsBefore(nodeOrToken) {
+        const cursor = createCursorWithCount(
+            cursors.backward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            -1,
+            nodeOrToken.range[0],
+            { includeComments: true }
+        );
+
+        return getAdjacentCommentTokensFromCursor(cursor).reverse();
+    }
+
+    /**
+     * Gets all comment tokens directly after the given node or token.
+     * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens.
+     * @returns {Array} An array of comments in occurrence order.
+     */
+    getCommentsAfter(nodeOrToken) {
+        const cursor = createCursorWithCount(
+            cursors.forward,
+            this[TOKENS],
+            this[COMMENTS],
+            this[INDEX_MAP],
+            nodeOrToken.range[1],
+            -1,
+            { includeComments: true }
+        );
+
+        return getAdjacentCommentTokensFromCursor(cursor);
+    }
+
+    /**
+     * Gets all comment tokens inside the given node.
+     * @param {ASTNode} node The AST node to get the comments for.
+     * @returns {Array} An array of comments in occurrence order.
+     */
+    getCommentsInside(node) {
+        return this.getTokens(node, {
+            includeComments: true,
+            filter: isCommentToken
+        });
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/limit-cursor.js

@@ -0,0 +1,40 @@
+/**
+ * @fileoverview Define the cursor which limits the number of tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which limits the number of tokens.
+ */
+module.exports = class LimitCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {number} count The count of tokens this cursor iterates.
+     */
+    constructor(cursor, count) {
+        super(cursor);
+        this.count = count;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        if (this.count > 0) {
+            this.count -= 1;
+            return super.moveNext();
+        }
+        return false;
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/padded-token-cursor.js

@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only, with inflated range.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const ForwardTokenCursor = require("./forward-token-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only, with inflated range.
+ * This is for the backward compatibility of padding options.
+ */
+module.exports = class PaddedTokenCursor extends ForwardTokenCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Token[]} tokens The array of tokens.
+     * @param {Comment[]} comments The array of comments.
+     * @param {Object} indexMap The map from locations to indices in `tokens`.
+     * @param {number} startLoc The start location of the iteration range.
+     * @param {number} endLoc The end location of the iteration range.
+     * @param {number} beforeCount The number of tokens this cursor iterates before start.
+     * @param {number} afterCount The number of tokens this cursor iterates after end.
+     */
+    constructor(tokens, comments, indexMap, startLoc, endLoc, beforeCount, afterCount) {
+        super(tokens, comments, indexMap, startLoc, endLoc);
+        this.index = Math.max(0, this.index - beforeCount);
+        this.indexEnd = Math.min(tokens.length - 1, this.indexEnd + afterCount);
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/skip-cursor.js

@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Define the cursor which ignores the first few tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores the first few tokens.
+ */
+module.exports = class SkipCursor extends DecorativeCursor {
+
+    /**
+     * Initializes this cursor.
+     * @param {Cursor} cursor The cursor to be decorated.
+     * @param {number} count The count of tokens this cursor skips.
+     */
+    constructor(cursor, count) {
+        super(cursor);
+        this.count = count;
+    }
+
+    /** @inheritdoc */
+    moveNext() {
+        while (this.count > 0) {
+            this.count -= 1;
+            if (!super.moveNext()) {
+                return false;
+            }
+        }
+        return super.moveNext();
+    }
+};

app_vue/node_modules/eslint/lib/source-code/token-store/utils.js

@@ -0,0 +1,92 @@
+/**
+ * @fileoverview Define utility functions for token store.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Gets `token.range[0]` from the given token.
+ * @param {Node|Token|Comment} token The token to get.
+ * @returns {number} The start location.
+ * @private
+ */
+function getStartLocation(token) {
+    return token.range[0];
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * Finds the index of the first token which is after the given location.
+ * If it was not found, this returns `tokens.length`.
+ * @param {(Token|Comment)[]} tokens It searches the token in this list.
+ * @param {number} location The location to search.
+ * @returns {number} The found index or `tokens.length`.
+ */
+exports.search = function search(tokens, location) {
+    const index = tokens.findIndex(el => location <= getStartLocation(el));
+
+    return index === -1 ? tokens.length : index;
+};
+
+/**
+ * Gets the index of the `startLoc` in `tokens`.
+ * `startLoc` can be the value of `node.range[1]`, so this checks about `startLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} startLoc The location to get an index.
+ * @returns {number} The index.
+ */
+exports.getFirstIndex = function getFirstIndex(tokens, indexMap, startLoc) {
+    if (startLoc in indexMap) {
+        return indexMap[startLoc];
+    }
+    if ((startLoc - 1) in indexMap) {
+        const index = indexMap[startLoc - 1];
+        const token = (index >= 0 && index < tokens.length) ? tokens[index] : null;
+
+        /*
+         * For the map of "comment's location -> token's index", it points the next token of a comment.
+         * In that case, +1 is unnecessary.
+         */
+        if (token && token.range[0] >= startLoc) {
+            return index;
+        }
+        return index + 1;
+    }
+    return 0;
+};
+
+/**
+ * Gets the index of the `endLoc` in `tokens`.
+ * The information of end locations are recorded at `endLoc - 1` in `indexMap`, so this checks about `endLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} endLoc The location to get an index.
+ * @returns {number} The index.
+ */
+exports.getLastIndex = function getLastIndex(tokens, indexMap, endLoc) {
+    if (endLoc in indexMap) {
+        return indexMap[endLoc] - 1;
+    }
+    if ((endLoc - 1) in indexMap) {
+        const index = indexMap[endLoc - 1];
+        const token = (index >= 0 && index < tokens.length) ? tokens[index] : null;
+
+        /*
+         * For the map of "comment's location -> token's index", it points the next token of a comment.
+         * In that case, -1 is necessary.
+         */
+        if (token && token.range[1] > endLoc) {
+            return index - 1;
+        }
+        return index;
+    }
+    return tokens.length - 1;
+};