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app_vue/node_modules/eslint/lib/cli-engine/file-enumerator.js

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+/**
+ * @fileoverview `FileEnumerator` class.
+ *
+ * `FileEnumerator` class has two responsibilities:
+ *
+ * 1. Find target files by processing glob patterns.
+ * 2. Tie each target file and appropriate configuration.
+ *
+ * It provides a method:
+ *
+ * - `iterateFiles(patterns)`
+ *     Iterate files which are matched by given patterns together with the
+ *     corresponded configuration. This is for `CLIEngine#executeOnFiles()`.
+ *     While iterating files, it loads the configuration file of each directory
+ *     before iterate files on the directory, so we can use the configuration
+ *     files to determine target files.
+ *
+ * @example
+ * const enumerator = new FileEnumerator();
+ * const linter = new Linter();
+ *
+ * for (const { config, filePath } of enumerator.iterateFiles(["*.js"])) {
+ *     const code = fs.readFileSync(filePath, "utf8");
+ *     const messages = linter.verify(code, config, filePath);
+ *
+ *     console.log(messages);
+ * }
+ *
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs");
+const path = require("path");
+const getGlobParent = require("glob-parent");
+const isGlob = require("is-glob");
+const escapeRegExp = require("escape-string-regexp");
+const { Minimatch } = require("minimatch");
+
+const {
+    Legacy: {
+        IgnorePattern,
+        CascadingConfigArrayFactory
+    }
+} = require("@eslint/eslintrc");
+const debug = require("debug")("eslint:file-enumerator");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const minimatchOpts = { dot: true, matchBase: true };
+const dotfilesPattern = /(?:(?:^\.)|(?:[/\\]\.))[^/\\.].*/u;
+const NONE = 0;
+const IGNORED_SILENTLY = 1;
+const IGNORED = 2;
+
+// For VSCode intellisense
+/** @typedef {ReturnType<CascadingConfigArrayFactory["getConfigArrayForFile"]>} ConfigArray */
+
+/**
+ * @typedef {Object} FileEnumeratorOptions
+ * @property {CascadingConfigArrayFactory} [configArrayFactory] The factory for config arrays.
+ * @property {string} [cwd] The base directory to start lookup.
+ * @property {string[]} [extensions] The extensions to match files for directory patterns.
+ * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {boolean} [ignore] The flag to check ignored files.
+ * @property {string[]} [rulePaths] The value of `--rulesdir` option.
+ */
+
+/**
+ * @typedef {Object} FileAndConfig
+ * @property {string} filePath The path to a target file.
+ * @property {ConfigArray} config The config entries of that file.
+ * @property {boolean} ignored If `true` then this file should be ignored and warned because it was directly specified.
+ */
+
+/**
+ * @typedef {Object} FileEntry
+ * @property {string} filePath The path to a target file.
+ * @property {ConfigArray} config The config entries of that file.
+ * @property {NONE|IGNORED_SILENTLY|IGNORED} flag The flag.
+ * - `NONE` means the file is a target file.
+ * - `IGNORED_SILENTLY` means the file should be ignored silently.
+ * - `IGNORED` means the file should be ignored and warned because it was directly specified.
+ */
+
+/**
+ * @typedef {Object} FileEnumeratorInternalSlots
+ * @property {CascadingConfigArrayFactory} configArrayFactory The factory for config arrays.
+ * @property {string} cwd The base directory to start lookup.
+ * @property {RegExp|null} extensionRegExp The RegExp to test if a string ends with specific file extensions.
+ * @property {boolean} globInputPaths Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file.
+ * @property {boolean} ignoreFlag The flag to check ignored files.
+ * @property {(filePath:string, dot:boolean) => boolean} defaultIgnores The default predicate function to ignore files.
+ */
+
+/** @type {WeakMap<FileEnumerator, FileEnumeratorInternalSlots>} */
+const internalSlotsMap = new WeakMap();
+
+/**
+ * Check if a string is a glob pattern or not.
+ * @param {string} pattern A glob pattern.
+ * @returns {boolean} `true` if the string is a glob pattern.
+ */
+function isGlobPattern(pattern) {
+    return isGlob(path.sep === "\\" ? pattern.replace(/\\/gu, "/") : pattern);
+}
+
+/**
+ * Get stats of a given path.
+ * @param {string} filePath The path to target file.
+ * @returns {fs.Stats|null} The stats.
+ * @private
+ */
+function statSafeSync(filePath) {
+    try {
+        return fs.statSync(filePath);
+    } catch (error) {
+        /* istanbul ignore next */
+        if (error.code !== "ENOENT") {
+            throw error;
+        }
+        return null;
+    }
+}
+
+/**
+ * Get filenames in a given path to a directory.
+ * @param {string} directoryPath The path to target directory.
+ * @returns {import("fs").Dirent[]} The filenames.
+ * @private
+ */
+function readdirSafeSync(directoryPath) {
+    try {
+        return fs.readdirSync(directoryPath, { withFileTypes: true });
+    } catch (error) {
+        /* istanbul ignore next */
+        if (error.code !== "ENOENT") {
+            throw error;
+        }
+        return [];
+    }
+}
+
+/**
+ * Create a `RegExp` object to detect extensions.
+ * @param {string[] | null} extensions The extensions to create.
+ * @returns {RegExp | null} The created `RegExp` object or null.
+ */
+function createExtensionRegExp(extensions) {
+    if (extensions) {
+        const normalizedExts = extensions.map(ext => escapeRegExp(
+            ext.startsWith(".")
+                ? ext.slice(1)
+                : ext
+        ));
+
+        return new RegExp(
+            `.\\.(?:${normalizedExts.join("|")})$`,
+            "u"
+        );
+    }
+    return null;
+}
+
+/**
+ * The error type when no files match a glob.
+ */
+class NoFilesFoundError extends Error {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} pattern The glob pattern which was not found.
+     * @param {boolean} globDisabled If `true` then the pattern was a glob pattern, but glob was disabled.
+     */
+    constructor(pattern, globDisabled) {
+        super(`No files matching '${pattern}' were found${globDisabled ? " (glob was disabled)" : ""}.`);
+        this.messageTemplate = "file-not-found";
+        this.messageData = { pattern, globDisabled };
+    }
+}
+
+/**
+ * The error type when there are files matched by a glob, but all of them have been ignored.
+ */
+class AllFilesIgnoredError extends Error {
+
+    // eslint-disable-next-line jsdoc/require-description
+    /**
+     * @param {string} pattern The glob pattern which was not found.
+     */
+    constructor(pattern) {
+        super(`All files matched by '${pattern}' are ignored.`);
+        this.messageTemplate = "all-files-ignored";
+        this.messageData = { pattern };
+    }
+}
+
+/**
+ * This class provides the functionality that enumerates every file which is
+ * matched by given glob patterns and that configuration.
+ */
+class FileEnumerator {
+
+    /**
+     * Initialize this enumerator.
+     * @param {FileEnumeratorOptions} options The options.
+     */
+    constructor({
+        cwd = process.cwd(),
+        configArrayFactory = new CascadingConfigArrayFactory({
+            cwd,
+            eslintRecommendedPath: path.resolve(__dirname, "../../conf/eslint-recommended.js"),
+            eslintAllPath: path.resolve(__dirname, "../../conf/eslint-all.js")
+        }),
+        extensions = null,
+        globInputPaths = true,
+        errorOnUnmatchedPattern = true,
+        ignore = true
+    } = {}) {
+        internalSlotsMap.set(this, {
+            configArrayFactory,
+            cwd,
+            defaultIgnores: IgnorePattern.createDefaultIgnore(cwd),
+            extensionRegExp: createExtensionRegExp(extensions),
+            globInputPaths,
+            errorOnUnmatchedPattern,
+            ignoreFlag: ignore
+        });
+    }
+
+    /**
+     * Check if a given file is target or not.
+     * @param {string} filePath The path to a candidate file.
+     * @param {ConfigArray} [providedConfig] Optional. The configuration for the file.
+     * @returns {boolean} `true` if the file is a target.
+     */
+    isTargetPath(filePath, providedConfig) {
+        const {
+            configArrayFactory,
+            extensionRegExp
+        } = internalSlotsMap.get(this);
+
+        // If `--ext` option is present, use it.
+        if (extensionRegExp) {
+            return extensionRegExp.test(filePath);
+        }
+
+        // `.js` file is target by default.
+        if (filePath.endsWith(".js")) {
+            return true;
+        }
+
+        // use `overrides[].files` to check additional targets.
+        const config =
+            providedConfig ||
+            configArrayFactory.getConfigArrayForFile(
+                filePath,
+                { ignoreNotFoundError: true }
+            );
+
+        return config.isAdditionalTargetPath(filePath);
+    }
+
+    /**
+     * Iterate files which are matched by given glob patterns.
+     * @param {string|string[]} patternOrPatterns The glob patterns to iterate files.
+     * @returns {IterableIterator<FileAndConfig>} The found files.
+     */
+    *iterateFiles(patternOrPatterns) {
+        const { globInputPaths, errorOnUnmatchedPattern } = internalSlotsMap.get(this);
+        const patterns = Array.isArray(patternOrPatterns)
+            ? patternOrPatterns
+            : [patternOrPatterns];
+
+        debug("Start to iterate files: %o", patterns);
+
+        // The set of paths to remove duplicate.
+        const set = new Set();
+
+        for (const pattern of patterns) {
+            let foundRegardlessOfIgnored = false;
+            let found = false;
+
+            // Skip empty string.
+            if (!pattern) {
+                continue;
+            }
+
+            // Iterate files of this pattern.
+            for (const { config, filePath, flag } of this._iterateFiles(pattern)) {
+                foundRegardlessOfIgnored = true;
+                if (flag === IGNORED_SILENTLY) {
+                    continue;
+                }
+                found = true;
+
+                // Remove duplicate paths while yielding paths.
+                if (!set.has(filePath)) {
+                    set.add(filePath);
+                    yield {
+                        config,
+                        filePath,
+                        ignored: flag === IGNORED
+                    };
+                }
+            }
+
+            // Raise an error if any files were not found.
+            if (errorOnUnmatchedPattern) {
+                if (!foundRegardlessOfIgnored) {
+                    throw new NoFilesFoundError(
+                        pattern,
+                        !globInputPaths && isGlob(pattern)
+                    );
+                }
+                if (!found) {
+                    throw new AllFilesIgnoredError(pattern);
+                }
+            }
+        }
+
+        debug(`Complete iterating files: ${JSON.stringify(patterns)}`);
+    }
+
+    /**
+     * Iterate files which are matched by a given glob pattern.
+     * @param {string} pattern The glob pattern to iterate files.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     */
+    _iterateFiles(pattern) {
+        const { cwd, globInputPaths } = internalSlotsMap.get(this);
+        const absolutePath = path.resolve(cwd, pattern);
+        const isDot = dotfilesPattern.test(pattern);
+        const stat = statSafeSync(absolutePath);
+
+        if (stat && stat.isDirectory()) {
+            return this._iterateFilesWithDirectory(absolutePath, isDot);
+        }
+        if (stat && stat.isFile()) {
+            return this._iterateFilesWithFile(absolutePath);
+        }
+        if (globInputPaths && isGlobPattern(pattern)) {
+            return this._iterateFilesWithGlob(absolutePath, isDot);
+        }
+
+        return [];
+    }
+
+    /**
+     * Iterate a file which is matched by a given path.
+     * @param {string} filePath The path to the target file.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    _iterateFilesWithFile(filePath) {
+        debug(`File: ${filePath}`);
+
+        const { configArrayFactory } = internalSlotsMap.get(this);
+        const config = configArrayFactory.getConfigArrayForFile(filePath);
+        const ignored = this._isIgnoredFile(filePath, { config, direct: true });
+        const flag = ignored ? IGNORED : NONE;
+
+        return [{ config, filePath, flag }];
+    }
+
+    /**
+     * Iterate files in a given path.
+     * @param {string} directoryPath The path to the target directory.
+     * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    _iterateFilesWithDirectory(directoryPath, dotfiles) {
+        debug(`Directory: ${directoryPath}`);
+
+        return this._iterateFilesRecursive(
+            directoryPath,
+            { dotfiles, recursive: true, selector: null }
+        );
+    }
+
+    /**
+     * Iterate files which are matched by a given glob pattern.
+     * @param {string} pattern The glob pattern to iterate files.
+     * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    _iterateFilesWithGlob(pattern, dotfiles) {
+        debug(`Glob: ${pattern}`);
+
+        const directoryPath = path.resolve(getGlobParent(pattern));
+        const globPart = pattern.slice(directoryPath.length + 1);
+
+        /*
+         * recursive if there are `**` or path separators in the glob part.
+         * Otherwise, patterns such as `src/*.js`, it doesn't need recursive.
+         */
+        const recursive = /\*\*|\/|\\/u.test(globPart);
+        const selector = new Minimatch(pattern, minimatchOpts);
+
+        debug(`recursive? ${recursive}`);
+
+        return this._iterateFilesRecursive(
+            directoryPath,
+            { dotfiles, recursive, selector }
+        );
+    }
+
+    /**
+     * Iterate files in a given path.
+     * @param {string} directoryPath The path to the target directory.
+     * @param {Object} options The options to iterate files.
+     * @param {boolean} [options.dotfiles] If `true` then it doesn't skip dot files by default.
+     * @param {boolean} [options.recursive] If `true` then it dives into sub directories.
+     * @param {InstanceType<Minimatch>} [options.selector] The matcher to choose files.
+     * @returns {IterableIterator<FileEntry>} The found files.
+     * @private
+     */
+    *_iterateFilesRecursive(directoryPath, options) {
+        debug(`Enter the directory: ${directoryPath}`);
+        const { configArrayFactory } = internalSlotsMap.get(this);
+
+        /** @type {ConfigArray|null} */
+        let config = null;
+
+        // Enumerate the files of this directory.
+        for (const entry of readdirSafeSync(directoryPath)) {
+            const filePath = path.join(directoryPath, entry.name);
+            const fileInfo = entry.isSymbolicLink() ? statSafeSync(filePath) : entry;
+
+            if (!fileInfo) {
+                continue;
+            }
+
+            // Check if the file is matched.
+            if (fileInfo.isFile()) {
+                if (!config) {
+                    config = configArrayFactory.getConfigArrayForFile(
+                        filePath,
+
+                        /*
+                         * We must ignore `ConfigurationNotFoundError` at this
+                         * point because we don't know if target files exist in
+                         * this directory.
+                         */
+                        { ignoreNotFoundError: true }
+                    );
+                }
+                const matched = options.selector
+
+                    // Started with a glob pattern; choose by the pattern.
+                    ? options.selector.match(filePath)
+
+                    // Started with a directory path; choose by file extensions.
+                    : this.isTargetPath(filePath, config);
+
+                if (matched) {
+                    const ignored = this._isIgnoredFile(filePath, { ...options, config });
+                    const flag = ignored ? IGNORED_SILENTLY : NONE;
+
+                    debug(`Yield: ${entry.name}${ignored ? " but ignored" : ""}`);
+                    yield {
+                        config: configArrayFactory.getConfigArrayForFile(filePath),
+                        filePath,
+                        flag
+                    };
+                } else {
+                    debug(`Didn't match: ${entry.name}`);
+                }
+
+            // Dive into the sub directory.
+            } else if (options.recursive && fileInfo.isDirectory()) {
+                if (!config) {
+                    config = configArrayFactory.getConfigArrayForFile(
+                        filePath,
+                        { ignoreNotFoundError: true }
+                    );
+                }
+                const ignored = this._isIgnoredFile(
+                    filePath + path.sep,
+                    { ...options, config }
+                );
+
+                if (!ignored) {
+                    yield* this._iterateFilesRecursive(filePath, options);
+                }
+            }
+        }
+
+        debug(`Leave the directory: ${directoryPath}`);
+    }
+
+    /**
+     * Check if a given file should be ignored.
+     * @param {string} filePath The path to a file to check.
+     * @param {Object} options Options
+     * @param {ConfigArray} [options.config] The config for this file.
+     * @param {boolean} [options.dotfiles] If `true` then this is not ignore dot files by default.
+     * @param {boolean} [options.direct] If `true` then this is a direct specified file.
+     * @returns {boolean} `true` if the file should be ignored.
+     * @private
+     */
+    _isIgnoredFile(filePath, {
+        config: providedConfig,
+        dotfiles = false,
+        direct = false
+    }) {
+        const {
+            configArrayFactory,
+            defaultIgnores,
+            ignoreFlag
+        } = internalSlotsMap.get(this);
+
+        if (ignoreFlag) {
+            const config =
+                providedConfig ||
+                configArrayFactory.getConfigArrayForFile(
+                    filePath,
+                    { ignoreNotFoundError: true }
+                );
+            const ignores =
+                config.extractConfig(filePath).ignores || defaultIgnores;
+
+            return ignores(filePath, dotfiles);
+        }
+
+        return !direct && defaultIgnores(filePath, dotfiles);
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = { FileEnumerator };

app_vue/node_modules/eslint/lib/cli-engine/formatters/checkstyle.js

@@ -0,0 +1,60 @@
+/**
+ * @fileoverview CheckStyle XML reporter
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+const xmlEscape = require("../xml-escape");
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "error";
+    }
+    return "warning";
+
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "";
+
+    output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
+    output += "<checkstyle version=\"4.3\">";
+
+    results.forEach(result => {
+        const messages = result.messages;
+
+        output += `<file name="${xmlEscape(result.filePath)}">`;
+
+        messages.forEach(message => {
+            output += [
+                `<error line="${xmlEscape(message.line || 0)}"`,
+                `column="${xmlEscape(message.column || 0)}"`,
+                `severity="${xmlEscape(getMessageType(message))}"`,
+                `message="${xmlEscape(message.message)}${message.ruleId ? ` (${message.ruleId})` : ""}"`,
+                `source="${message.ruleId ? xmlEscape(`eslint.rules.${message.ruleId}`) : ""}" />`
+            ].join(" ");
+        });
+
+        output += "</file>";
+
+    });
+
+    output += "</checkstyle>";
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/codeframe.js

@@ -0,0 +1,138 @@
+/**
+ * @fileoverview Codeframe reporter
+ * @author Vitor Balocco
+ */
+"use strict";
+
+const chalk = require("chalk");
+const { codeFrameColumns } = require("@babel/code-frame");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param   {string} word  A word in its singular form.
+ * @param   {number} count A number controlling whether word should be pluralized.
+ * @returns {string}       The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+/**
+ * Gets a formatted relative file path from an absolute path and a line/column in the file.
+ * @param   {string} filePath The absolute file path to format.
+ * @param   {number} line     The line from the file to use for formatting.
+ * @param   {number} column   The column from the file to use for formatting.
+ * @returns {string}          The formatted file path.
+ */
+function formatFilePath(filePath, line, column) {
+    let relPath = path.relative(process.cwd(), filePath);
+
+    if (line && column) {
+        relPath += `:${line}:${column}`;
+    }
+
+    return chalk.green(relPath);
+}
+
+/**
+ * Gets the formatted output for a given message.
+ * @param   {Object} message      The object that represents this message.
+ * @param   {Object} parentResult The result object that this message belongs to.
+ * @returns {string}              The formatted output.
+ */
+function formatMessage(message, parentResult) {
+    const type = (message.fatal || message.severity === 2) ? chalk.red("error") : chalk.yellow("warning");
+    const msg = `${chalk.bold(message.message.replace(/([^ ])\.$/u, "$1"))}`;
+    const ruleId = message.fatal ? "" : chalk.dim(`(${message.ruleId})`);
+    const filePath = formatFilePath(parentResult.filePath, message.line, message.column);
+    const sourceCode = parentResult.output ? parentResult.output : parentResult.source;
+
+    const firstLine = [
+        `${type}:`,
+        `${msg}`,
+        ruleId ? `${ruleId}` : "",
+        sourceCode ? `at ${filePath}:` : `at ${filePath}`
+    ].filter(String).join(" ");
+
+    const result = [firstLine];
+
+    if (sourceCode) {
+        result.push(
+            codeFrameColumns(sourceCode, { start: { line: message.line, column: message.column } }, { highlightCode: false })
+        );
+    }
+
+    return result.join("\n");
+}
+
+/**
+ * Gets the formatted output summary for a given number of errors and warnings.
+ * @param   {number} errors   The number of errors.
+ * @param   {number} warnings The number of warnings.
+ * @param   {number} fixableErrors The number of fixable errors.
+ * @param   {number} fixableWarnings The number of fixable warnings.
+ * @returns {string}          The formatted output summary.
+ */
+function formatSummary(errors, warnings, fixableErrors, fixableWarnings) {
+    const summaryColor = errors > 0 ? "red" : "yellow";
+    const summary = [];
+    const fixablesSummary = [];
+
+    if (errors > 0) {
+        summary.push(`${errors} ${pluralize("error", errors)}`);
+    }
+
+    if (warnings > 0) {
+        summary.push(`${warnings} ${pluralize("warning", warnings)}`);
+    }
+
+    if (fixableErrors > 0) {
+        fixablesSummary.push(`${fixableErrors} ${pluralize("error", fixableErrors)}`);
+    }
+
+    if (fixableWarnings > 0) {
+        fixablesSummary.push(`${fixableWarnings} ${pluralize("warning", fixableWarnings)}`);
+    }
+
+    let output = chalk[summaryColor].bold(`${summary.join(" and ")} found.`);
+
+    if (fixableErrors || fixableWarnings) {
+        output += chalk[summaryColor].bold(`\n${fixablesSummary.join(" and ")} potentially fixable with the \`--fix\` option.`);
+    }
+
+    return output;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+    let errors = 0;
+    let warnings = 0;
+    let fixableErrors = 0;
+    let fixableWarnings = 0;
+
+    const resultsWithMessages = results.filter(result => result.messages.length > 0);
+
+    let output = resultsWithMessages.reduce((resultsOutput, result) => {
+        const messages = result.messages.map(message => `${formatMessage(message, result)}\n\n`);
+
+        errors += result.errorCount;
+        warnings += result.warningCount;
+        fixableErrors += result.fixableErrorCount;
+        fixableWarnings += result.fixableWarningCount;
+
+        return resultsOutput.concat(messages);
+    }, []).join("\n");
+
+    output += "\n";
+    output += formatSummary(errors, warnings, fixableErrors, fixableWarnings);
+
+    return (errors + warnings) > 0 ? output : "";
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/compact.js

@@ -0,0 +1,60 @@
+/**
+ * @fileoverview Compact reporter
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "Error";
+    }
+    return "Warning";
+
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "",
+        total = 0;
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+
+        total += messages.length;
+
+        messages.forEach(message => {
+
+            output += `${result.filePath}: `;
+            output += `line ${message.line || 0}`;
+            output += `, col ${message.column || 0}`;
+            output += `, ${getMessageType(message)}`;
+            output += ` - ${message.message}`;
+            output += message.ruleId ? ` (${message.ruleId})` : "";
+            output += "\n";
+
+        });
+
+    });
+
+    if (total > 0) {
+        output += `\n${total} problem${total !== 1 ? "s" : ""}`;
+    }
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/html.js

@@ -0,0 +1,324 @@
+/**
+ * @fileoverview HTML reporter
+ * @author Julian Laval
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const encodeHTML = (function() {
+    const encodeHTMLRules = {
+        "&": "&",
+        "<": "&#60;",
+        ">": "&#62;",
+        '"': "&#34;",
+        "'": "&#39;"
+    };
+    const matchHTML = /[&<>"']/ug;
+
+    return function(code) {
+        return code
+            ? code.toString().replace(matchHTML, m => encodeHTMLRules[m] || m)
+            : "";
+    };
+}());
+
+/**
+ * Get the final HTML document.
+ * @param {Object} it data for the document.
+ * @returns {string} HTML document.
+ */
+function pageTemplate(it) {
+    const { reportColor, reportSummary, date, results } = it;
+
+    return `
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="UTF-8">
+        <title>ESLint Report</title>
+        <style>
+            body {
+                font-family:Arial, "Helvetica Neue", Helvetica, sans-serif;
+                font-size:16px;
+                font-weight:normal;
+                margin:0;
+                padding:0;
+                color:#333
+            }
+            #overview {
+                padding:20px 30px
+            }
+            td, th {
+                padding:5px 10px
+            }
+            h1 {
+                margin:0
+            }
+            table {
+                margin:30px;
+                width:calc(100% - 60px);
+                max-width:1000px;
+                border-radius:5px;
+                border:1px solid #ddd;
+                border-spacing:0px;
+            }
+            th {
+                font-weight:400;
+                font-size:medium;
+                text-align:left;
+                cursor:pointer
+            }
+            td.clr-1, td.clr-2, th span {
+                font-weight:700
+            }
+            th span {
+                float:right;
+                margin-left:20px
+            }
+            th span:after {
+                content:"";
+                clear:both;
+                display:block
+            }
+            tr:last-child td {
+                border-bottom:none
+            }
+            tr td:first-child, tr td:last-child {
+                color:#9da0a4
+            }
+            #overview.bg-0, tr.bg-0 th {
+                color:#468847;
+                background:#dff0d8;
+                border-bottom:1px solid #d6e9c6
+            }
+            #overview.bg-1, tr.bg-1 th {
+                color:#f0ad4e;
+                background:#fcf8e3;
+                border-bottom:1px solid #fbeed5
+            }
+            #overview.bg-2, tr.bg-2 th {
+                color:#b94a48;
+                background:#f2dede;
+                border-bottom:1px solid #eed3d7
+            }
+            td {
+                border-bottom:1px solid #ddd
+            }
+            td.clr-1 {
+                color:#f0ad4e
+            }
+            td.clr-2 {
+                color:#b94a48
+            }
+            td a {
+                color:#3a33d1;
+                text-decoration:none
+            }
+            td a:hover {
+                color:#272296;
+                text-decoration:underline
+            }
+        </style>
+    </head>
+    <body>
+        <div id="overview" class="bg-${reportColor}">
+            <h1>ESLint Report</h1>
+            <div>
+                <span>${reportSummary}</span> - Generated on ${date}
+            </div>
+        </div>
+        <table>
+            <tbody>
+                ${results}
+            </tbody>
+        </table>
+        <script type="text/javascript">
+            var groups = document.querySelectorAll("tr[data-group]");
+            for (i = 0; i < groups.length; i++) {
+                groups[i].addEventListener("click", function() {
+                    var inGroup = document.getElementsByClassName(this.getAttribute("data-group"));
+                    this.innerHTML = (this.innerHTML.indexOf("+") > -1) ? this.innerHTML.replace("+", "-") : this.innerHTML.replace("-", "+");
+                    for (var j = 0; j < inGroup.length; j++) {
+                        inGroup[j].style.display = (inGroup[j].style.display !== "none") ? "none" : "table-row";
+                    }
+                });
+            }
+        </script>
+    </body>
+</html>
+`.trimLeft();
+}
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param {string} word A word in its singular form.
+ * @param {int} count A number controlling whether word should be pluralized.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+/**
+ * Renders text along the template of x problems (x errors, x warnings)
+ * @param {string} totalErrors Total errors
+ * @param {string} totalWarnings Total warnings
+ * @returns {string} The formatted string, pluralized where necessary
+ */
+function renderSummary(totalErrors, totalWarnings) {
+    const totalProblems = totalErrors + totalWarnings;
+    let renderedText = `${totalProblems} ${pluralize("problem", totalProblems)}`;
+
+    if (totalProblems !== 0) {
+        renderedText += ` (${totalErrors} ${pluralize("error", totalErrors)}, ${totalWarnings} ${pluralize("warning", totalWarnings)})`;
+    }
+    return renderedText;
+}
+
+/**
+ * Get the color based on whether there are errors/warnings...
+ * @param {string} totalErrors Total errors
+ * @param {string} totalWarnings Total warnings
+ * @returns {int} The color code (0 = green, 1 = yellow, 2 = red)
+ */
+function renderColor(totalErrors, totalWarnings) {
+    if (totalErrors !== 0) {
+        return 2;
+    }
+    if (totalWarnings !== 0) {
+        return 1;
+    }
+    return 0;
+}
+
+/**
+ * Get HTML (table row) describing a single message.
+ * @param {Object} it data for the message.
+ * @returns {string} HTML (table row) describing the message.
+ */
+function messageTemplate(it) {
+    const {
+        parentIndex,
+        lineNumber,
+        columnNumber,
+        severityNumber,
+        severityName,
+        message,
+        ruleUrl,
+        ruleId
+    } = it;
+
+    return `
+<tr style="display:none" class="f-${parentIndex}">
+    <td>${lineNumber}:${columnNumber}</td>
+    <td class="clr-${severityNumber}">${severityName}</td>
+    <td>${encodeHTML(message)}</td>
+    <td>
+        <a href="${ruleUrl ? ruleUrl : ""}" target="_blank" rel="noopener noreferrer">${ruleId ? ruleId : ""}</a>
+    </td>
+</tr>
+`.trimLeft();
+}
+
+/**
+ * Get HTML (table rows) describing the messages.
+ * @param {Array} messages Messages.
+ * @param {int} parentIndex Index of the parent HTML row.
+ * @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis.
+ * @returns {string} HTML (table rows) describing the messages.
+ */
+function renderMessages(messages, parentIndex, rulesMeta) {
+
+    /**
+     * Get HTML (table row) describing a message.
+     * @param {Object} message Message.
+     * @returns {string} HTML (table row) describing a message.
+     */
+    return messages.map(message => {
+        const lineNumber = message.line || 0;
+        const columnNumber = message.column || 0;
+        let ruleUrl;
+
+        if (rulesMeta) {
+            const meta = rulesMeta[message.ruleId];
+
+            if (meta && meta.docs && meta.docs.url) {
+                ruleUrl = meta.docs.url;
+            }
+        }
+
+        return messageTemplate({
+            parentIndex,
+            lineNumber,
+            columnNumber,
+            severityNumber: message.severity,
+            severityName: message.severity === 1 ? "Warning" : "Error",
+            message: message.message,
+            ruleId: message.ruleId,
+            ruleUrl
+        });
+    }).join("\n");
+}
+
+/**
+ * Get HTML (table row) describing the result for a single file.
+ * @param {Object} it data for the file.
+ * @returns {string} HTML (table row) describing the result for the file.
+ */
+function resultTemplate(it) {
+    const { color, index, filePath, summary } = it;
+
+    return `
+<tr class="bg-${color}" data-group="f-${index}">
+    <th colspan="4">
+        [+] ${encodeHTML(filePath)}
+        <span>${encodeHTML(summary)}</span>
+    </th>
+</tr>
+`.trimLeft();
+}
+
+// eslint-disable-next-line jsdoc/require-description
+/**
+ * @param {Array} results Test results.
+ * @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis.
+ * @returns {string} HTML string describing the results.
+ */
+function renderResults(results, rulesMeta) {
+    return results.map((result, index) => resultTemplate({
+        index,
+        color: renderColor(result.errorCount, result.warningCount),
+        filePath: result.filePath,
+        summary: renderSummary(result.errorCount, result.warningCount)
+    }) + renderMessages(result.messages, index, rulesMeta)).join("\n");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results, data) {
+    let totalErrors,
+        totalWarnings;
+
+    const metaData = data ? data.rulesMeta : {};
+
+    totalErrors = 0;
+    totalWarnings = 0;
+
+    // Iterate over results to get totals
+    results.forEach(result => {
+        totalErrors += result.errorCount;
+        totalWarnings += result.warningCount;
+    });
+
+    return pageTemplate({
+        date: new Date(),
+        reportColor: renderColor(totalErrors, totalWarnings),
+        reportSummary: renderSummary(totalErrors, totalWarnings),
+        results: renderResults(results, metaData)
+    });
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/jslint-xml.js

@@ -0,0 +1,41 @@
+/**
+ * @fileoverview JSLint XML reporter
+ * @author Ian Christian Myers
+ */
+"use strict";
+
+const xmlEscape = require("../xml-escape");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "";
+
+    output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
+    output += "<jslint>";
+
+    results.forEach(result => {
+        const messages = result.messages;
+
+        output += `<file name="${result.filePath}">`;
+
+        messages.forEach(message => {
+            output += [
+                `<issue line="${message.line}"`,
+                `char="${message.column}"`,
+                `evidence="${xmlEscape(message.source || "")}"`,
+                `reason="${xmlEscape(message.message || "")}${message.ruleId ? ` (${message.ruleId})` : ""}" />`
+            ].join(" ");
+        });
+
+        output += "</file>";
+
+    });
+
+    output += "</jslint>";
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/json-with-metadata.js

@@ -0,0 +1,16 @@
+/**
+ * @fileoverview JSON reporter, including rules metadata
+ * @author Chris Meyer
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results, data) {
+    return JSON.stringify({
+        results,
+        metadata: data
+    });
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/json.js

@@ -0,0 +1,13 @@
+/**
+ * @fileoverview JSON reporter
+ * @author Burak Yigit Kaya aka BYK
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+    return JSON.stringify(results);
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/junit.js

@@ -0,0 +1,82 @@
+/**
+ * @fileoverview jUnit Reporter
+ * @author Jamund Ferguson
+ */
+"use strict";
+
+const xmlEscape = require("../xml-escape");
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "Error";
+    }
+    return "Warning";
+
+}
+
+/**
+ * Returns a full file path without extension
+ * @param {string} filePath input file path
+ * @returns {string} file path without extension
+ * @private
+ */
+function pathWithoutExt(filePath) {
+    return path.join(path.dirname(filePath), path.basename(filePath, path.extname(filePath)));
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "";
+
+    output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
+    output += "<testsuites>\n";
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+        const classname = pathWithoutExt(result.filePath);
+
+        if (messages.length > 0) {
+            output += `<testsuite package="org.eslint" time="0" tests="${messages.length}" errors="${messages.length}" name="${result.filePath}">\n`;
+            messages.forEach(message => {
+                const type = message.fatal ? "error" : "failure";
+
+                output += `<testcase time="0" name="org.eslint.${message.ruleId || "unknown"}" classname="${classname}">`;
+                output += `<${type} message="${xmlEscape(message.message || "")}">`;
+                output += "<![CDATA[";
+                output += `line ${message.line || 0}, col `;
+                output += `${message.column || 0}, ${getMessageType(message)}`;
+                output += ` - ${xmlEscape(message.message || "")}`;
+                output += (message.ruleId ? ` (${message.ruleId})` : "");
+                output += "]]>";
+                output += `</${type}>`;
+                output += "</testcase>\n";
+            });
+            output += "</testsuite>\n";
+        } else {
+            output += `<testsuite package="org.eslint" time="0" tests="1" errors="0" name="${result.filePath}">\n`;
+            output += `<testcase time="0" name="${result.filePath}" classname="${classname}" />\n`;
+            output += "</testsuite>\n";
+        }
+
+    });
+
+    output += "</testsuites>\n";
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/stylish.js

@@ -0,0 +1,101 @@
+/**
+ * @fileoverview Stylish reporter
+ * @author Sindre Sorhus
+ */
+"use strict";
+
+const chalk = require("chalk"),
+    stripAnsi = require("strip-ansi"),
+    table = require("text-table");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an s if count is not one.
+ * @param {string} word A word in its singular form.
+ * @param {int} count A number controlling whether word should be pluralized.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "\n",
+        errorCount = 0,
+        warningCount = 0,
+        fixableErrorCount = 0,
+        fixableWarningCount = 0,
+        summaryColor = "yellow";
+
+    results.forEach(result => {
+        const messages = result.messages;
+
+        if (messages.length === 0) {
+            return;
+        }
+
+        errorCount += result.errorCount;
+        warningCount += result.warningCount;
+        fixableErrorCount += result.fixableErrorCount;
+        fixableWarningCount += result.fixableWarningCount;
+
+        output += `${chalk.underline(result.filePath)}\n`;
+
+        output += `${table(
+            messages.map(message => {
+                let messageType;
+
+                if (message.fatal || message.severity === 2) {
+                    messageType = chalk.red("error");
+                    summaryColor = "red";
+                } else {
+                    messageType = chalk.yellow("warning");
+                }
+
+                return [
+                    "",
+                    message.line || 0,
+                    message.column || 0,
+                    messageType,
+                    message.message.replace(/([^ ])\.$/u, "$1"),
+                    chalk.dim(message.ruleId || "")
+                ];
+            }),
+            {
+                align: ["", "r", "l"],
+                stringLength(str) {
+                    return stripAnsi(str).length;
+                }
+            }
+        ).split("\n").map(el => el.replace(/(\d+)\s+(\d+)/u, (m, p1, p2) => chalk.dim(`${p1}:${p2}`))).join("\n")}\n\n`;
+    });
+
+    const total = errorCount + warningCount;
+
+    if (total > 0) {
+        output += chalk[summaryColor].bold([
+            "\u2716 ", total, pluralize(" problem", total),
+            " (", errorCount, pluralize(" error", errorCount), ", ",
+            warningCount, pluralize(" warning", warningCount), ")\n"
+        ].join(""));
+
+        if (fixableErrorCount > 0 || fixableWarningCount > 0) {
+            output += chalk[summaryColor].bold([
+                "  ", fixableErrorCount, pluralize(" error", fixableErrorCount), " and ",
+                fixableWarningCount, pluralize(" warning", fixableWarningCount),
+                " potentially fixable with the `--fix` option.\n"
+            ].join(""));
+        }
+    }
+
+    // Resets output color, for prevent change on top level
+    return total > 0 ? chalk.reset(output) : "";
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/table.js

@@ -0,0 +1,159 @@
+/**
+ * @fileoverview "table reporter.
+ * @author Gajus Kuizinas <gajus@gajus.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const chalk = require("chalk"),
+    table = require("table").table;
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Given a word and a count, append an "s" if count is not one.
+ * @param {string} word A word.
+ * @param {number} count Quantity.
+ * @returns {string} The original word with an s on the end if count is not one.
+ */
+function pluralize(word, count) {
+    return (count === 1 ? word : `${word}s`);
+}
+
+/**
+ * Draws text table.
+ * @param {Array<Object>} messages Error messages relating to a specific file.
+ * @returns {string} A text table.
+ */
+function drawTable(messages) {
+    const rows = [];
+
+    if (messages.length === 0) {
+        return "";
+    }
+
+    rows.push([
+        chalk.bold("Line"),
+        chalk.bold("Column"),
+        chalk.bold("Type"),
+        chalk.bold("Message"),
+        chalk.bold("Rule ID")
+    ]);
+
+    messages.forEach(message => {
+        let messageType;
+
+        if (message.fatal || message.severity === 2) {
+            messageType = chalk.red("error");
+        } else {
+            messageType = chalk.yellow("warning");
+        }
+
+        rows.push([
+            message.line || 0,
+            message.column || 0,
+            messageType,
+            message.message,
+            message.ruleId || ""
+        ]);
+    });
+
+    return table(rows, {
+        columns: {
+            0: {
+                width: 8,
+                wrapWord: true
+            },
+            1: {
+                width: 8,
+                wrapWord: true
+            },
+            2: {
+                width: 8,
+                wrapWord: true
+            },
+            3: {
+                paddingRight: 5,
+                width: 50,
+                wrapWord: true
+            },
+            4: {
+                width: 20,
+                wrapWord: true
+            }
+        },
+        drawHorizontalLine(index) {
+            return index === 1;
+        }
+    });
+}
+
+/**
+ * Draws a report (multiple tables).
+ * @param {Array} results Report results for every file.
+ * @returns {string} A column of text tables.
+ */
+function drawReport(results) {
+    let files;
+
+    files = results.map(result => {
+        if (!result.messages.length) {
+            return "";
+        }
+
+        return `\n${result.filePath}\n\n${drawTable(result.messages)}`;
+    });
+
+    files = files.filter(content => content.trim());
+
+    return files.join("");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(report) {
+    let result,
+        errorCount,
+        warningCount;
+
+    result = "";
+    errorCount = 0;
+    warningCount = 0;
+
+    report.forEach(fileReport => {
+        errorCount += fileReport.errorCount;
+        warningCount += fileReport.warningCount;
+    });
+
+    if (errorCount || warningCount) {
+        result = drawReport(report);
+    }
+
+    result += `\n${table([
+        [
+            chalk.red(pluralize(`${errorCount} Error`, errorCount))
+        ],
+        [
+            chalk.yellow(pluralize(`${warningCount} Warning`, warningCount))
+        ]
+    ], {
+        columns: {
+            0: {
+                width: 110,
+                wrapWord: true
+            }
+        },
+        drawHorizontalLine() {
+            return true;
+        }
+    })}`;
+
+    return result;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/tap.js

@@ -0,0 +1,95 @@
+/**
+ * @fileoverview TAP reporter
+ * @author Jonathan Kingston
+ */
+"use strict";
+
+const yaml = require("js-yaml");
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns a canonical error level string based upon the error message passed in.
+ * @param {Object} message Individual error message provided by eslint
+ * @returns {string} Error level string
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "error";
+    }
+    return "warning";
+}
+
+/**
+ * Takes in a JavaScript object and outputs a TAP diagnostics string
+ * @param {Object} diagnostic JavaScript object to be embedded as YAML into output.
+ * @returns {string} diagnostics string with YAML embedded - TAP version 13 compliant
+ */
+function outputDiagnostics(diagnostic) {
+    const prefix = "  ";
+    let output = `${prefix}---\n`;
+
+    output += prefix + yaml.safeDump(diagnostic).split("\n").join(`\n${prefix}`);
+    output += "...\n";
+    return output;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+    let output = `TAP version 13\n1..${results.length}\n`;
+
+    results.forEach((result, id) => {
+        const messages = result.messages;
+        let testResult = "ok";
+        let diagnostics = {};
+
+        if (messages.length > 0) {
+            messages.forEach(message => {
+                const severity = getMessageType(message);
+                const diagnostic = {
+                    message: message.message,
+                    severity,
+                    data: {
+                        line: message.line || 0,
+                        column: message.column || 0,
+                        ruleId: message.ruleId || ""
+                    }
+                };
+
+                // This ensures a warning message is not flagged as error
+                if (severity === "error") {
+                    testResult = "not ok";
+                }
+
+                /*
+                 * If we have multiple messages place them under a messages key
+                 * The first error will be logged as message key
+                 * This is to adhere to TAP 13 loosely defined specification of having a message key
+                 */
+                if ("message" in diagnostics) {
+                    if (typeof diagnostics.messages === "undefined") {
+                        diagnostics.messages = [];
+                    }
+                    diagnostics.messages.push(diagnostic);
+                } else {
+                    diagnostics = diagnostic;
+                }
+            });
+        }
+
+        output += `${testResult} ${id + 1} - ${result.filePath}\n`;
+
+        // If we have an error include diagnostics
+        if (messages.length > 0) {
+            output += outputDiagnostics(diagnostics);
+        }
+
+    });
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/unix.js

@@ -0,0 +1,58 @@
+/**
+ * @fileoverview unix-style formatter.
+ * @author oshi-shinobu
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns a canonical error level string based upon the error message passed in.
+ * @param {Object} message Individual error message provided by eslint
+ * @returns {string} Error level string
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "Error";
+    }
+    return "Warning";
+
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "",
+        total = 0;
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+
+        total += messages.length;
+
+        messages.forEach(message => {
+
+            output += `${result.filePath}:`;
+            output += `${message.line || 0}:`;
+            output += `${message.column || 0}:`;
+            output += ` ${message.message} `;
+            output += `[${getMessageType(message)}${message.ruleId ? `/${message.ruleId}` : ""}]`;
+            output += "\n";
+
+        });
+
+    });
+
+    if (total > 0) {
+        output += `\n${total} problem${total !== 1 ? "s" : ""}`;
+    }
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/formatters/visualstudio.js

@@ -0,0 +1,63 @@
+/**
+ * @fileoverview Visual Studio compatible formatter
+ * @author Ronald Pijnacker
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helper Functions
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the severity of warning or error
+ * @param {Object} message message object to examine
+ * @returns {string} severity level
+ * @private
+ */
+function getMessageType(message) {
+    if (message.fatal || message.severity === 2) {
+        return "error";
+    }
+    return "warning";
+
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function(results) {
+
+    let output = "",
+        total = 0;
+
+    results.forEach(result => {
+
+        const messages = result.messages;
+
+        total += messages.length;
+
+        messages.forEach(message => {
+
+            output += result.filePath;
+            output += `(${message.line || 0}`;
+            output += message.column ? `,${message.column}` : "";
+            output += `): ${getMessageType(message)}`;
+            output += message.ruleId ? ` ${message.ruleId}` : "";
+            output += ` : ${message.message}`;
+            output += "\n";
+
+        });
+
+    });
+
+    if (total === 0) {
+        output += "no problems";
+    } else {
+        output += `\n${total} problem${total !== 1 ? "s" : ""}`;
+    }
+
+    return output;
+};

app_vue/node_modules/eslint/lib/cli-engine/hash.js

@@ -0,0 +1,35 @@
+/**
+ * @fileoverview Defining the hashing function in one place.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const murmur = require("imurmurhash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * hash the given string
+ * @param  {string} str the string to hash
+ * @returns {string}    the hash
+ */
+function hash(str) {
+    return murmur(str).result().toString(36);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = hash;

app_vue/node_modules/eslint/lib/cli-engine/index.js

@@ -0,0 +1,7 @@
+"use strict";
+
+const { CLIEngine } = require("./cli-engine");
+
+module.exports = {
+    CLIEngine
+};

app_vue/node_modules/eslint/lib/cli-engine/lint-result-cache.js

@@ -0,0 +1,191 @@
+/**
+ * @fileoverview Utility for caching lint results.
+ * @author Kevin Partington
+ */
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const assert = require("assert");
+const fs = require("fs");
+const fileEntryCache = require("file-entry-cache");
+const stringify = require("json-stable-stringify-without-jsonify");
+const pkg = require("../../package.json");
+const hash = require("./hash");
+
+const debug = require("debug")("eslint:lint-result-cache");
+
+//-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+const configHashCache = new WeakMap();
+const nodeVersion = process && process.version;
+
+const validCacheStrategies = ["metadata", "content"];
+const invalidCacheStrategyErrorMessage = `Cache strategy must be one of: ${validCacheStrategies
+    .map(strategy => `"${strategy}"`)
+    .join(", ")}`;
+
+/**
+ * Tests whether a provided cacheStrategy is valid
+ * @param {string} cacheStrategy The cache strategy to use
+ * @returns {boolean} true if `cacheStrategy` is one of `validCacheStrategies`; false otherwise
+ */
+function isValidCacheStrategy(cacheStrategy) {
+    return (
+        validCacheStrategies.indexOf(cacheStrategy) !== -1
+    );
+}
+
+/**
+ * Calculates the hash of the config
+ * @param {ConfigArray} config The config.
+ * @returns {string} The hash of the config
+ */
+function hashOfConfigFor(config) {
+    if (!configHashCache.has(config)) {
+        configHashCache.set(config, hash(`${pkg.version}_${nodeVersion}_${stringify(config)}`));
+    }
+
+    return configHashCache.get(config);
+}
+
+//-----------------------------------------------------------------------------
+// Public Interface
+//-----------------------------------------------------------------------------
+
+/**
+ * Lint result cache. This wraps around the file-entry-cache module,
+ * transparently removing properties that are difficult or expensive to
+ * serialize and adding them back in on retrieval.
+ */
+class LintResultCache {
+
+    /**
+     * Creates a new LintResultCache instance.
+     * @param {string} cacheFileLocation The cache file location.
+     * @param {"metadata" | "content"} cacheStrategy The cache strategy to use.
+     */
+    constructor(cacheFileLocation, cacheStrategy) {
+        assert(cacheFileLocation, "Cache file location is required");
+        assert(cacheStrategy, "Cache strategy is required");
+        assert(
+            isValidCacheStrategy(cacheStrategy),
+            invalidCacheStrategyErrorMessage
+        );
+
+        debug(`Caching results to ${cacheFileLocation}`);
+
+        const useChecksum = cacheStrategy === "content";
+
+        debug(
+            `Using "${cacheStrategy}" strategy to detect changes`
+        );
+
+        this.fileEntryCache = fileEntryCache.create(
+            cacheFileLocation,
+            void 0,
+            useChecksum
+        );
+        this.cacheFileLocation = cacheFileLocation;
+    }
+
+    /**
+     * Retrieve cached lint results for a given file path, if present in the
+     * cache. If the file is present and has not been changed, rebuild any
+     * missing result information.
+     * @param {string} filePath The file for which to retrieve lint results.
+     * @param {ConfigArray} config The config of the file.
+     * @returns {Object|null} The rebuilt lint results, or null if the file is
+     *   changed or not in the filesystem.
+     */
+    getCachedLintResults(filePath, config) {
+
+        /*
+         * Cached lint results are valid if and only if:
+         * 1. The file is present in the filesystem
+         * 2. The file has not changed since the time it was previously linted
+         * 3. The ESLint configuration has not changed since the time the file
+         *    was previously linted
+         * If any of these are not true, we will not reuse the lint results.
+         */
+        const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath);
+        const hashOfConfig = hashOfConfigFor(config);
+        const changed =
+            fileDescriptor.changed ||
+            fileDescriptor.meta.hashOfConfig !== hashOfConfig;
+
+        if (fileDescriptor.notFound) {
+            debug(`File not found on the file system: ${filePath}`);
+            return null;
+        }
+
+        if (changed) {
+            debug(`Cache entry not found or no longer valid: ${filePath}`);
+            return null;
+        }
+
+        // If source is present but null, need to reread the file from the filesystem.
+        if (
+            fileDescriptor.meta.results &&
+            fileDescriptor.meta.results.source === null
+        ) {
+            debug(`Rereading cached result source from filesystem: ${filePath}`);
+            fileDescriptor.meta.results.source = fs.readFileSync(filePath, "utf-8");
+        }
+
+        return fileDescriptor.meta.results;
+    }
+
+    /**
+     * Set the cached lint results for a given file path, after removing any
+     * information that will be both unnecessary and difficult to serialize.
+     * Avoids caching results with an "output" property (meaning fixes were
+     * applied), to prevent potentially incorrect results if fixes are not
+     * written to disk.
+     * @param {string} filePath The file for which to set lint results.
+     * @param {ConfigArray} config The config of the file.
+     * @param {Object} result The lint result to be set for the file.
+     * @returns {void}
+     */
+    setCachedLintResults(filePath, config, result) {
+        if (result && Object.prototype.hasOwnProperty.call(result, "output")) {
+            return;
+        }
+
+        const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath);
+
+        if (fileDescriptor && !fileDescriptor.notFound) {
+            debug(`Updating cached result: ${filePath}`);
+
+            // Serialize the result, except that we want to remove the file source if present.
+            const resultToSerialize = Object.assign({}, result);
+
+            /*
+             * Set result.source to null.
+             * In `getCachedLintResults`, if source is explicitly null, we will
+             * read the file from the filesystem to set the value again.
+             */
+            if (Object.prototype.hasOwnProperty.call(resultToSerialize, "source")) {
+                resultToSerialize.source = null;
+            }
+
+            fileDescriptor.meta.results = resultToSerialize;
+            fileDescriptor.meta.hashOfConfig = hashOfConfigFor(config);
+        }
+    }
+
+    /**
+     * Persists the in-memory cache to disk.
+     * @returns {void}
+     */
+    reconcile() {
+        debug(`Persisting cached results: ${this.cacheFileLocation}`);
+        this.fileEntryCache.reconcile();
+    }
+}
+
+module.exports = LintResultCache;

app_vue/node_modules/eslint/lib/cli-engine/load-rules.js

@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Module for loading rules from files and directories.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path");
+
+const rulesDirCache = {};
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Load all rule modules from specified directory.
+ * @param {string} relativeRulesDir Path to rules directory, may be relative.
+ * @param {string} cwd Current working directory
+ * @returns {Object} Loaded rule modules.
+ */
+module.exports = function(relativeRulesDir, cwd) {
+    const rulesDir = path.resolve(cwd, relativeRulesDir);
+
+    // cache will help performance as IO operation are expensive
+    if (rulesDirCache[rulesDir]) {
+        return rulesDirCache[rulesDir];
+    }
+
+    const rules = Object.create(null);
+
+    fs.readdirSync(rulesDir).forEach(file => {
+        if (path.extname(file) !== ".js") {
+            return;
+        }
+        rules[file.slice(0, -3)] = require(path.join(rulesDir, file));
+    });
+    rulesDirCache[rulesDir] = rules;
+
+    return rules;
+};

app_vue/node_modules/eslint/lib/cli-engine/xml-escape.js

@@ -0,0 +1,34 @@
+/**
+ * @fileoverview XML character escaper
+ * @author George Chung
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the escaped value for a character
+ * @param {string} s string to examine
+ * @returns {string} severity level
+ * @private
+ */
+module.exports = function(s) {
+    return (`${s}`).replace(/[<>&"'\x00-\x1F\x7F\u0080-\uFFFF]/gu, c => { // eslint-disable-line no-control-regex
+        switch (c) {
+            case "<":
+                return "&lt;";
+            case ">":
+                return "&gt;";
+            case "&":
+                return "&amp;";
+            case "\"":
+                return "&quot;";
+            case "'":
+                return "&apos;";
+            default:
+                return `&#${c.charCodeAt(0)};`;
+        }
+    });
+};