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							- /**
 
-  * @fileoverview Main API Class
 
-  * @author Kai Cataldo
 
-  * @author Toru Nagashima
 
-  */
 
- "use strict";
 
- //------------------------------------------------------------------------------
 
- // Requirements
 
- //------------------------------------------------------------------------------
 
- const path = require("path");
 
- const fs = require("fs");
 
- const { promisify } = require("util");
 
- const { CLIEngine, getCLIEngineInternalSlots } = require("../cli-engine/cli-engine");
 
- const BuiltinRules = require("../rules");
 
- const {
 
-     Legacy: {
 
-         ConfigOps: {
 
-             getRuleSeverity
 
-         }
 
-     }
 
- } = require("@eslint/eslintrc");
 
- const { version } = require("../../package.json");
 
- //------------------------------------------------------------------------------
 
- // Typedefs
 
- //------------------------------------------------------------------------------
 
- /** @typedef {import("../cli-engine/cli-engine").LintReport} CLIEngineLintReport */
 
- /** @typedef {import("../shared/types").DeprecatedRuleInfo} DeprecatedRuleInfo */
 
- /** @typedef {import("../shared/types").ConfigData} ConfigData */
 
- /** @typedef {import("../shared/types").LintMessage} LintMessage */
 
- /** @typedef {import("../shared/types").Plugin} Plugin */
 
- /** @typedef {import("../shared/types").Rule} Rule */
 
- /** @typedef {import("./load-formatter").Formatter} Formatter */
 
- /**
 
-  * The options with which to configure the ESLint instance.
 
-  * @typedef {Object} ESLintOptions
 
-  * @property {boolean} [allowInlineConfig] Enable or disable inline configuration comments.
 
-  * @property {ConfigData} [baseConfig] Base config object, extended by all configs used with this instance
 
-  * @property {boolean} [cache] Enable result caching.
 
-  * @property {string} [cacheLocation] The cache file to use instead of .eslintcache.
 
-  * @property {string} [cwd] The value to use for the current working directory.
 
-  * @property {boolean} [errorOnUnmatchedPattern] If `false` then `ESLint#lintFiles()` doesn't throw even if no target files found. Defaults to `true`.
 
-  * @property {string[]} [extensions] An array of file extensions to check.
 
-  * @property {boolean|Function} [fix] Execute in autofix mode. If a function, should return a boolean.
 
-  * @property {string[]} [fixTypes] Array of rule types to apply fixes for.
 
-  * @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] False disables use of .eslintignore.
 
-  * @property {string} [ignorePath] The ignore file to use instead of .eslintignore.
 
-  * @property {ConfigData} [overrideConfig] Override config object, overrides all configs used with this instance
 
-  * @property {string} [overrideConfigFile] The configuration file to use.
 
-  * @property {Record<string,Plugin>} [plugins] An array of plugin implementations.
 
-  * @property {"error" | "warn" | "off"} [reportUnusedDisableDirectives] the severity to report unused eslint-disable directives.
 
-  * @property {string} [resolvePluginsRelativeTo] The folder where plugins should be resolved from, defaulting to the CWD.
 
-  * @property {string[]} [rulePaths] An array of directories to load custom rules from.
 
-  * @property {boolean} [useEslintrc] False disables looking for .eslintrc.* files.
 
-  */
 
- /**
 
-  * A rules metadata object.
 
-  * @typedef {Object} RulesMeta
 
-  * @property {string} id The plugin ID.
 
-  * @property {Object} definition The plugin definition.
 
-  */
 
- /**
 
-  * A linting result.
 
-  * @typedef {Object} LintResult
 
-  * @property {string} filePath The path to the file that was linted.
 
-  * @property {LintMessage[]} messages All of the messages for the result.
 
-  * @property {number} errorCount Number of errors for the result.
 
-  * @property {number} warningCount Number of warnings for the result.
 
-  * @property {number} fixableErrorCount Number of fixable errors for the result.
 
-  * @property {number} fixableWarningCount Number of fixable warnings for the result.
 
-  * @property {string} [source] The source code of the file that was linted.
 
-  * @property {string} [output] The source code of the file that was linted, with as many fixes applied as possible.
 
-  * @property {DeprecatedRuleInfo[]} usedDeprecatedRules The list of used deprecated rules.
 
-  */
 
- /**
 
-  * Private members for the `ESLint` instance.
 
-  * @typedef {Object} ESLintPrivateMembers
 
-  * @property {CLIEngine} cliEngine The wrapped CLIEngine instance.
 
-  * @property {ESLintOptions} options The options used to instantiate the ESLint instance.
 
-  */
 
- //------------------------------------------------------------------------------
 
- // Helpers
 
- //------------------------------------------------------------------------------
 
- const writeFile = promisify(fs.writeFile);
 
- /**
 
-  * The map with which to store private class members.
 
-  * @type {WeakMap<ESLint, ESLintPrivateMembers>}
 
-  */
 
- const privateMembersMap = new WeakMap();
 
- /**
 
-  * Check if a given value is a non-empty string or not.
 
-  * @param {any} x The value to check.
 
-  * @returns {boolean} `true` if `x` is a non-empty string.
 
-  */
 
- function isNonEmptyString(x) {
 
-     return typeof x === "string" && x.trim() !== "";
 
- }
 
- /**
 
-  * Check if a given value is an array of non-empty stringss or not.
 
-  * @param {any} x The value to check.
 
-  * @returns {boolean} `true` if `x` is an array of non-empty stringss.
 
-  */
 
- function isArrayOfNonEmptyString(x) {
 
-     return Array.isArray(x) && x.every(isNonEmptyString);
 
- }
 
- /**
 
-  * Check if a given value is a valid fix type or not.
 
-  * @param {any} x The value to check.
 
-  * @returns {boolean} `true` if `x` is valid fix type.
 
-  */
 
- function isFixType(x) {
 
-     return x === "problem" || x === "suggestion" || x === "layout";
 
- }
 
- /**
 
-  * Check if a given value is an array of fix types or not.
 
-  * @param {any} x The value to check.
 
-  * @returns {boolean} `true` if `x` is an array of fix types.
 
-  */
 
- function isFixTypeArray(x) {
 
-     return Array.isArray(x) && x.every(isFixType);
 
- }
 
- /**
 
-  * The error for invalid options.
 
-  */
 
- class ESLintInvalidOptionsError extends Error {
 
-     constructor(messages) {
 
-         super(`Invalid Options:\n- ${messages.join("\n- ")}`);
 
-         this.code = "ESLINT_INVALID_OPTIONS";
 
-         Error.captureStackTrace(this, ESLintInvalidOptionsError);
 
-     }
 
- }
 
- /**
 
-  * Validates and normalizes options for the wrapped CLIEngine instance.
 
-  * @param {ESLintOptions} options The options to process.
 
-  * @returns {ESLintOptions} The normalized options.
 
-  */
 
- function processOptions({
 
-     allowInlineConfig = true, // ← we cannot use `overrideConfig.noInlineConfig` instead because `allowInlineConfig` has side-effect that suppress warnings that show inline configs are ignored.
 
-     baseConfig = null,
 
-     cache = false,
 
-     cacheLocation = ".eslintcache",
 
-     cwd = process.cwd(),
 
-     errorOnUnmatchedPattern = true,
 
-     extensions = null, // ← should be null by default because if it's an array then it suppresses RFC20 feature.
 
-     fix = false,
 
-     fixTypes = null, // ← should be null by default because if it's an array then it suppresses rules that don't have the `meta.type` property.
 
-     globInputPaths = true,
 
-     ignore = true,
 
-     ignorePath = null, // ← should be null by default because if it's a string then it may throw ENOENT.
 
-     overrideConfig = null,
 
-     overrideConfigFile = null,
 
-     plugins = {},
 
-     reportUnusedDisableDirectives = null, // ← should be null by default because if it's a string then it overrides the 'reportUnusedDisableDirectives' setting in config files. And we cannot use `overrideConfig.reportUnusedDisableDirectives` instead because we cannot configure the `error` severity with that.
 
-     resolvePluginsRelativeTo = null, // ← should be null by default because if it's a string then it suppresses RFC47 feature.
 
-     rulePaths = [],
 
-     useEslintrc = true,
 
-     ...unknownOptions
 
- }) {
 
-     const errors = [];
 
-     const unknownOptionKeys = Object.keys(unknownOptions);
 
-     if (unknownOptionKeys.length >= 1) {
 
-         errors.push(`Unknown options: ${unknownOptionKeys.join(", ")}`);
 
-         if (unknownOptionKeys.includes("cacheFile")) {
 
-             errors.push("'cacheFile' has been removed. Please use the 'cacheLocation' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("configFile")) {
 
-             errors.push("'configFile' has been removed. Please use the 'overrideConfigFile' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("envs")) {
 
-             errors.push("'envs' has been removed. Please use the 'overrideConfig.env' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("globals")) {
 
-             errors.push("'globals' has been removed. Please use the 'overrideConfig.globals' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("ignorePattern")) {
 
-             errors.push("'ignorePattern' has been removed. Please use the 'overrideConfig.ignorePatterns' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("parser")) {
 
-             errors.push("'parser' has been removed. Please use the 'overrideConfig.parser' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("parserOptions")) {
 
-             errors.push("'parserOptions' has been removed. Please use the 'overrideConfig.parserOptions' option instead.");
 
-         }
 
-         if (unknownOptionKeys.includes("rules")) {
 
-             errors.push("'rules' has been removed. Please use the 'overrideConfig.rules' option instead.");
 
-         }
 
-     }
 
-     if (typeof allowInlineConfig !== "boolean") {
 
-         errors.push("'allowInlineConfig' must be a boolean.");
 
-     }
 
-     if (typeof baseConfig !== "object") {
 
-         errors.push("'baseConfig' must be an object or null.");
 
-     }
 
-     if (typeof cache !== "boolean") {
 
-         errors.push("'cache' must be a boolean.");
 
-     }
 
-     if (!isNonEmptyString(cacheLocation)) {
 
-         errors.push("'cacheLocation' must be a non-empty string.");
 
-     }
 
-     if (!isNonEmptyString(cwd) || !path.isAbsolute(cwd)) {
 
-         errors.push("'cwd' must be an absolute path.");
 
-     }
 
-     if (typeof errorOnUnmatchedPattern !== "boolean") {
 
-         errors.push("'errorOnUnmatchedPattern' must be a boolean.");
 
-     }
 
-     if (!isArrayOfNonEmptyString(extensions) && extensions !== null) {
 
-         errors.push("'extensions' must be an array of non-empty strings or null.");
 
-     }
 
-     if (typeof fix !== "boolean" && typeof fix !== "function") {
 
-         errors.push("'fix' must be a boolean or a function.");
 
-     }
 
-     if (fixTypes !== null && !isFixTypeArray(fixTypes)) {
 
-         errors.push("'fixTypes' must be an array of any of \"problem\", \"suggestion\", and \"layout\".");
 
-     }
 
-     if (typeof globInputPaths !== "boolean") {
 
-         errors.push("'globInputPaths' must be a boolean.");
 
-     }
 
-     if (typeof ignore !== "boolean") {
 
-         errors.push("'ignore' must be a boolean.");
 
-     }
 
-     if (!isNonEmptyString(ignorePath) && ignorePath !== null) {
 
-         errors.push("'ignorePath' must be a non-empty string or null.");
 
-     }
 
-     if (typeof overrideConfig !== "object") {
 
-         errors.push("'overrideConfig' must be an object or null.");
 
-     }
 
-     if (!isNonEmptyString(overrideConfigFile) && overrideConfigFile !== null) {
 
-         errors.push("'overrideConfigFile' must be a non-empty string or null.");
 
-     }
 
-     if (typeof plugins !== "object") {
 
-         errors.push("'plugins' must be an object or null.");
 
-     } else if (plugins !== null && Object.keys(plugins).includes("")) {
 
-         errors.push("'plugins' must not include an empty string.");
 
-     }
 
-     if (Array.isArray(plugins)) {
 
-         errors.push("'plugins' doesn't add plugins to configuration to load. Please use the 'overrideConfig.plugins' option instead.");
 
-     }
 
-     if (
 
-         reportUnusedDisableDirectives !== "error" &&
 
-         reportUnusedDisableDirectives !== "warn" &&
 
-         reportUnusedDisableDirectives !== "off" &&
 
-         reportUnusedDisableDirectives !== null
 
-     ) {
 
-         errors.push("'reportUnusedDisableDirectives' must be any of \"error\", \"warn\", \"off\", and null.");
 
-     }
 
-     if (
 
-         !isNonEmptyString(resolvePluginsRelativeTo) &&
 
-         resolvePluginsRelativeTo !== null
 
-     ) {
 
-         errors.push("'resolvePluginsRelativeTo' must be a non-empty string or null.");
 
-     }
 
-     if (!isArrayOfNonEmptyString(rulePaths)) {
 
-         errors.push("'rulePaths' must be an array of non-empty strings.");
 
-     }
 
-     if (typeof useEslintrc !== "boolean") {
 
-         errors.push("'useElintrc' must be a boolean.");
 
-     }
 
-     if (errors.length > 0) {
 
-         throw new ESLintInvalidOptionsError(errors);
 
-     }
 
-     return {
 
-         allowInlineConfig,
 
-         baseConfig,
 
-         cache,
 
-         cacheLocation,
 
-         configFile: overrideConfigFile,
 
-         cwd,
 
-         errorOnUnmatchedPattern,
 
-         extensions,
 
-         fix,
 
-         fixTypes,
 
-         globInputPaths,
 
-         ignore,
 
-         ignorePath,
 
-         reportUnusedDisableDirectives,
 
-         resolvePluginsRelativeTo,
 
-         rulePaths,
 
-         useEslintrc
 
-     };
 
- }
 
- /**
 
-  * Check if a value has one or more properties and that value is not undefined.
 
-  * @param {any} obj The value to check.
 
-  * @returns {boolean} `true` if `obj` has one or more properties that that value is not undefined.
 
-  */
 
- function hasDefinedProperty(obj) {
 
-     if (typeof obj === "object" && obj !== null) {
 
-         for (const key in obj) {
 
-             if (typeof obj[key] !== "undefined") {
 
-                 return true;
 
-             }
 
-         }
 
-     }
 
-     return false;
 
- }
 
- /**
 
-  * Create rulesMeta object.
 
-  * @param {Map<string,Rule>} rules a map of rules from which to generate the object.
 
-  * @returns {Object} metadata for all enabled rules.
 
-  */
 
- function createRulesMeta(rules) {
 
-     return Array.from(rules).reduce((retVal, [id, rule]) => {
 
-         retVal[id] = rule.meta;
 
-         return retVal;
 
-     }, {});
 
- }
 
- /** @type {WeakMap<ExtractedConfig, DeprecatedRuleInfo[]>} */
 
- const usedDeprecatedRulesCache = new WeakMap();
 
- /**
 
-  * Create used deprecated rule list.
 
-  * @param {CLIEngine} cliEngine The CLIEngine instance.
 
-  * @param {string} maybeFilePath The absolute path to a lint target file or `"<text>"`.
 
-  * @returns {DeprecatedRuleInfo[]} The used deprecated rule list.
 
-  */
 
- function getOrFindUsedDeprecatedRules(cliEngine, maybeFilePath) {
 
-     const {
 
-         configArrayFactory,
 
-         options: { cwd }
 
-     } = getCLIEngineInternalSlots(cliEngine);
 
-     const filePath = path.isAbsolute(maybeFilePath)
 
-         ? maybeFilePath
 
-         : path.join(cwd, "__placeholder__.js");
 
-     const configArray = configArrayFactory.getConfigArrayForFile(filePath);
 
-     const config = configArray.extractConfig(filePath);
 
-     // Most files use the same config, so cache it.
 
-     if (!usedDeprecatedRulesCache.has(config)) {
 
-         const pluginRules = configArray.pluginRules;
 
-         const retv = [];
 
-         for (const [ruleId, ruleConf] of Object.entries(config.rules)) {
 
-             if (getRuleSeverity(ruleConf) === 0) {
 
-                 continue;
 
-             }
 
-             const rule = pluginRules.get(ruleId) || BuiltinRules.get(ruleId);
 
-             const meta = rule && rule.meta;
 
-             if (meta && meta.deprecated) {
 
-                 retv.push({ ruleId, replacedBy: meta.replacedBy || [] });
 
-             }
 
-         }
 
-         usedDeprecatedRulesCache.set(config, Object.freeze(retv));
 
-     }
 
-     return usedDeprecatedRulesCache.get(config);
 
- }
 
- /**
 
-  * Processes the linting results generated by a CLIEngine linting report to
 
-  * match the ESLint class's API.
 
-  * @param {CLIEngine} cliEngine The CLIEngine instance.
 
-  * @param {CLIEngineLintReport} report The CLIEngine linting report to process.
 
-  * @returns {LintResult[]} The processed linting results.
 
-  */
 
- function processCLIEngineLintReport(cliEngine, { results }) {
 
-     const descriptor = {
 
-         configurable: true,
 
-         enumerable: true,
 
-         get() {
 
-             return getOrFindUsedDeprecatedRules(cliEngine, this.filePath);
 
-         }
 
-     };
 
-     for (const result of results) {
 
-         Object.defineProperty(result, "usedDeprecatedRules", descriptor);
 
-     }
 
-     return results;
 
- }
 
- /**
 
-  * An Array.prototype.sort() compatible compare function to order results by their file path.
 
-  * @param {LintResult} a The first lint result.
 
-  * @param {LintResult} b The second lint result.
 
-  * @returns {number} An integer representing the order in which the two results should occur.
 
-  */
 
- function compareResultsByFilePath(a, b) {
 
-     if (a.filePath < b.filePath) {
 
-         return -1;
 
-     }
 
-     if (a.filePath > b.filePath) {
 
-         return 1;
 
-     }
 
-     return 0;
 
- }
 
- class ESLint {
 
-     /**
 
-      * Creates a new instance of the main ESLint API.
 
-      * @param {ESLintOptions} options The options for this instance.
 
-      */
 
-     constructor(options = {}) {
 
-         const processedOptions = processOptions(options);
 
-         const cliEngine = new CLIEngine(processedOptions);
 
-         const {
 
-             additionalPluginPool,
 
-             configArrayFactory,
 
-             lastConfigArrays
 
-         } = getCLIEngineInternalSlots(cliEngine);
 
-         let updated = false;
 
-         /*
 
-          * Address `plugins` to add plugin implementations.
 
-          * Operate the `additionalPluginPool` internal slot directly to avoid
 
-          * using `addPlugin(id, plugin)` method that resets cache everytime.
 
-          */
 
-         if (options.plugins) {
 
-             for (const [id, plugin] of Object.entries(options.plugins)) {
 
-                 additionalPluginPool.set(id, plugin);
 
-                 updated = true;
 
-             }
 
-         }
 
-         /*
 
-          * Address `overrideConfig` to set override config.
 
-          * Operate the `configArrayFactory` internal slot directly because this
 
-          * functionality doesn't exist as the public API of CLIEngine.
 
-          */
 
-         if (hasDefinedProperty(options.overrideConfig)) {
 
-             configArrayFactory.setOverrideConfig(options.overrideConfig);
 
-             updated = true;
 
-         }
 
-         // Update caches.
 
-         if (updated) {
 
-             configArrayFactory.clearCache();
 
-             lastConfigArrays[0] = configArrayFactory.getConfigArrayForFile();
 
-         }
 
-         // Initialize private properties.
 
-         privateMembersMap.set(this, {
 
-             cliEngine,
 
-             options: processedOptions
 
-         });
 
-     }
 
-     /**
 
-      * The version text.
 
-      * @type {string}
 
-      */
 
-     static get version() {
 
-         return version;
 
-     }
 
-     /**
 
-      * Outputs fixes from the given results to files.
 
-      * @param {LintResult[]} results The lint results.
 
-      * @returns {Promise<void>} Returns a promise that is used to track side effects.
 
-      */
 
-     static async outputFixes(results) {
 
-         if (!Array.isArray(results)) {
 
-             throw new Error("'results' must be an array");
 
-         }
 
-         await Promise.all(
 
-             results
 
-                 .filter(result => {
 
-                     if (typeof result !== "object" || result === null) {
 
-                         throw new Error("'results' must include only objects");
 
-                     }
 
-                     return (
 
-                         typeof result.output === "string" &&
 
-                         path.isAbsolute(result.filePath)
 
-                     );
 
-                 })
 
-                 .map(r => writeFile(r.filePath, r.output))
 
-         );
 
-     }
 
-     /**
 
-      * Returns results that only contains errors.
 
-      * @param {LintResult[]} results The results to filter.
 
-      * @returns {LintResult[]} The filtered results.
 
-      */
 
-     static getErrorResults(results) {
 
-         return CLIEngine.getErrorResults(results);
 
-     }
 
-     /**
 
-      * Executes the current configuration on an array of file and directory names.
 
-      * @param {string[]} patterns An array of file and directory names.
 
-      * @returns {Promise<LintResult[]>} The results of linting the file patterns given.
 
-      */
 
-     async lintFiles(patterns) {
 
-         if (!isNonEmptyString(patterns) && !isArrayOfNonEmptyString(patterns)) {
 
-             throw new Error("'patterns' must be a non-empty string or an array of non-empty strings");
 
-         }
 
-         const { cliEngine } = privateMembersMap.get(this);
 
-         return processCLIEngineLintReport(
 
-             cliEngine,
 
-             cliEngine.executeOnFiles(patterns)
 
-         );
 
-     }
 
-     /**
 
-      * Executes the current configuration on text.
 
-      * @param {string} code A string of JavaScript code to lint.
 
-      * @param {Object} [options] The options.
 
-      * @param {string} [options.filePath] The path to the file of the source code.
 
-      * @param {boolean} [options.warnIgnored] When set to true, warn if given filePath is an ignored path.
 
-      * @returns {Promise<LintResult[]>} The results of linting the string of code given.
 
-      */
 
-     async lintText(code, options = {}) {
 
-         if (typeof code !== "string") {
 
-             throw new Error("'code' must be a string");
 
-         }
 
-         if (typeof options !== "object") {
 
-             throw new Error("'options' must be an object, null, or undefined");
 
-         }
 
-         const {
 
-             filePath,
 
-             warnIgnored = false,
 
-             ...unknownOptions
 
-         } = options || {};
 
-         for (const key of Object.keys(unknownOptions)) {
 
-             throw new Error(`'options' must not include the unknown option '${key}'`);
 
-         }
 
-         if (filePath !== void 0 && !isNonEmptyString(filePath)) {
 
-             throw new Error("'options.filePath' must be a non-empty string or undefined");
 
-         }
 
-         if (typeof warnIgnored !== "boolean") {
 
-             throw new Error("'options.warnIgnored' must be a boolean or undefined");
 
-         }
 
-         const { cliEngine } = privateMembersMap.get(this);
 
-         return processCLIEngineLintReport(
 
-             cliEngine,
 
-             cliEngine.executeOnText(code, filePath, warnIgnored)
 
-         );
 
-     }
 
-     /**
 
-      * Returns the formatter representing the given formatter name.
 
-      * @param {string} [name] The name of the formattter to load.
 
-      * The following values are allowed:
 
-      * - `undefined` ... Load `stylish` builtin formatter.
 
-      * - A builtin formatter name ... Load the builtin formatter.
 
-      * - A thirdparty formatter name:
 
-      *   - `foo` → `eslint-formatter-foo`
 
-      *   - `@foo` → `@foo/eslint-formatter`
 
-      *   - `@foo/bar` → `@foo/eslint-formatter-bar`
 
-      * - A file path ... Load the file.
 
-      * @returns {Promise<Formatter>} A promise resolving to the formatter object.
 
-      * This promise will be rejected if the given formatter was not found or not
 
-      * a function.
 
-      */
 
-     async loadFormatter(name = "stylish") {
 
-         if (typeof name !== "string") {
 
-             throw new Error("'name' must be a string");
 
-         }
 
-         const { cliEngine } = privateMembersMap.get(this);
 
-         const formatter = cliEngine.getFormatter(name);
 
-         if (typeof formatter !== "function") {
 
-             throw new Error(`Formatter must be a function, but got a ${typeof formatter}.`);
 
-         }
 
-         return {
 
-             /**
 
-              * The main formatter method.
 
-              * @param {LintResults[]} results The lint results to format.
 
-              * @returns {string} The formatted lint results.
 
-              */
 
-             format(results) {
 
-                 let rulesMeta = null;
 
-                 results.sort(compareResultsByFilePath);
 
-                 return formatter(results, {
 
-                     get rulesMeta() {
 
-                         if (!rulesMeta) {
 
-                             rulesMeta = createRulesMeta(cliEngine.getRules());
 
-                         }
 
-                         return rulesMeta;
 
-                     }
 
-                 });
 
-             }
 
-         };
 
-     }
 
-     /**
 
-      * Returns a configuration object for the given file based on the CLI options.
 
-      * This is the same logic used by the ESLint CLI executable to determine
 
-      * configuration for each file it processes.
 
-      * @param {string} filePath The path of the file to retrieve a config object for.
 
-      * @returns {Promise<ConfigData>} A configuration object for the file.
 
-      */
 
-     async calculateConfigForFile(filePath) {
 
-         if (!isNonEmptyString(filePath)) {
 
-             throw new Error("'filePath' must be a non-empty string");
 
-         }
 
-         const { cliEngine } = privateMembersMap.get(this);
 
-         return cliEngine.getConfigForFile(filePath);
 
-     }
 
-     /**
 
-      * Checks if a given path is ignored by ESLint.
 
-      * @param {string} filePath The path of the file to check.
 
-      * @returns {Promise<boolean>} Whether or not the given path is ignored.
 
-      */
 
-     async isPathIgnored(filePath) {
 
-         if (!isNonEmptyString(filePath)) {
 
-             throw new Error("'filePath' must be a non-empty string");
 
-         }
 
-         const { cliEngine } = privateMembersMap.get(this);
 
-         return cliEngine.isPathIgnored(filePath);
 
-     }
 
- }
 
- //------------------------------------------------------------------------------
 
- // Public Interface
 
- //------------------------------------------------------------------------------
 
- module.exports = {
 
-     ESLint,
 
-     /**
 
-      * Get the private class members of a given ESLint instance for tests.
 
-      * @param {ESLint} instance The ESLint instance to get.
 
-      * @returns {ESLintPrivateMembers} The instance's private class members.
 
-      */
 
-     getESLintPrivateMembers(instance) {
 
-         return privateMembersMap.get(instance);
 
-     }
 
- };
 
 
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