Ajout de promotion et de commande

node_modules/eslint/LICENSE

@@ -0,0 +1,19 @@
+Copyright OpenJS Foundation and other contributors, <www.openjsf.org>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

node_modules/eslint/bin/eslint.js

@@ -0,0 +1,196 @@
+#!/usr/bin/env node
+
+/**
+ * @fileoverview Main CLI that is run via the eslint command.
+ * @author Nicholas C. Zakas
+ */
+
+/* eslint no-console:off -- CLI */
+
+"use strict";
+
+const mod = require("node:module");
+
+// to use V8's code cache to speed up instantiation time
+mod.enableCompileCache?.();
+
+// must do this initialization *before* other requires in order to work
+if (process.argv.includes("--debug")) {
+	require("debug").enable("eslint:*,-eslint:code-path,eslintrc:*");
+}
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Read data from stdin til the end.
+ *
+ * Note: See
+ * - https://github.com/nodejs/node/blob/master/doc/api/process.md#processstdin
+ * - https://github.com/nodejs/node/blob/master/doc/api/process.md#a-note-on-process-io
+ * - https://lists.gnu.org/archive/html/bug-gnu-emacs/2016-01/msg00419.html
+ * - https://github.com/nodejs/node/issues/7439 (historical)
+ *
+ * On Windows using `fs.readFileSync(STDIN_FILE_DESCRIPTOR, "utf8")` seems
+ * to read 4096 bytes before blocking and never drains to read further data.
+ *
+ * The investigation on the Emacs thread indicates:
+ *
+ * > Emacs on MS-Windows uses pipes to communicate with subprocesses; a
+ * > pipe on Windows has a 4K buffer. So as soon as Emacs writes more than
+ * > 4096 bytes to the pipe, the pipe becomes full, and Emacs then waits for
+ * > the subprocess to read its end of the pipe, at which time Emacs will
+ * > write the rest of the stuff.
+ * @returns {Promise<string>} The read text.
+ */
+function readStdin() {
+	return new Promise((resolve, reject) => {
+		let content = "";
+		let chunk = "";
+
+		process.stdin
+			.setEncoding("utf8")
+			.on("readable", () => {
+				while ((chunk = process.stdin.read()) !== null) {
+					content += chunk;
+				}
+			})
+			.on("end", () => resolve(content))
+			.on("error", reject);
+	});
+}
+
+/**
+ * Get the error message of a given value.
+ * @param {any} error The value to get.
+ * @returns {string} The error message.
+ */
+function getErrorMessage(error) {
+	// Lazy loading because this is used only if an error happened.
+	const util = require("node:util");
+
+	// Foolproof -- third-party module might throw non-object.
+	if (typeof error !== "object" || error === null) {
+		return String(error);
+	}
+
+	// Use templates if `error.messageTemplate` is present.
+	if (typeof error.messageTemplate === "string") {
+		try {
+			const template = require(`../messages/${error.messageTemplate}.js`);
+
+			return template(error.messageData || {});
+		} catch {
+			// Ignore template error then fallback to use `error.stack`.
+		}
+	}
+
+	// Use the stacktrace if it's an error object.
+	if (typeof error.stack === "string") {
+		return error.stack;
+	}
+
+	// Otherwise, dump the object.
+	return util.format("%o", error);
+}
+
+/**
+ * Tracks error messages that are shown to the user so we only ever show the
+ * same message once.
+ * @type {Set<string>}
+ */
+const displayedErrors = new Set();
+
+/**
+ * Tracks whether an unexpected error was caught
+ * @type {boolean}
+ */
+let hadFatalError = false;
+
+/**
+ * Catch and report unexpected error.
+ * @param {any} error The thrown error object.
+ * @returns {void}
+ */
+function onFatalError(error) {
+	process.exitCode = 2;
+	hadFatalError = true;
+
+	const { version } = require("../package.json");
+	const message = `
+Oops! Something went wrong! :(
+
+ESLint: ${version}
+
+${getErrorMessage(error)}`;
+
+	if (!displayedErrors.has(message)) {
+		console.error(message);
+		displayedErrors.add(message);
+	}
+}
+
+//------------------------------------------------------------------------------
+// Execution
+//------------------------------------------------------------------------------
+
+(async function main() {
+	process.on("uncaughtException", onFatalError);
+	process.on("unhandledRejection", onFatalError);
+
+	// Call the config initializer if `--init` is present.
+	if (process.argv.includes("--init")) {
+		// `eslint --init` has been moved to `@eslint/create-config`
+		console.warn(
+			"You can also run this command directly using 'npm init @eslint/config@latest'.",
+		);
+
+		const spawn = require("cross-spawn");
+
+		spawn.sync("npm", ["init", "@eslint/config@latest"], {
+			encoding: "utf8",
+			stdio: "inherit",
+		});
+		return;
+	}
+
+	// start the MCP server if `--mcp` is present
+	if (process.argv.includes("--mcp")) {
+		console.warn(
+			"You can also run this command directly using 'npx @eslint/mcp@latest'.",
+		);
+
+		const spawn = require("cross-spawn");
+
+		spawn.sync("npx", ["@eslint/mcp@latest"], {
+			encoding: "utf8",
+			stdio: "inherit",
+		});
+		return;
+	}
+
+	// Otherwise, call the CLI.
+	const cli = require("../lib/cli");
+	const exitCode = await cli.execute(
+		process.argv,
+		process.argv.includes("--stdin") ? await readStdin() : null,
+		true,
+	);
+
+	/*
+	 * If an uncaught exception or unhandled rejection was detected in the meantime,
+	 * keep the fatal exit code 2 that is already assigned to `process.exitCode`.
+	 * Without this condition, exit code 2 (unsuccessful execution) could be overwritten with
+	 * 1 (successful execution, lint problems found) or even 0 (successful execution, no lint problems found).
+	 * This ensures that unexpected errors that seemingly don't affect the success
+	 * of the execution will still cause a non-zero exit code, as it's a common
+	 * practice and the default behavior of Node.js to exit with non-zero
+	 * in case of an uncaught exception or unhandled rejection.
+	 *
+	 * Otherwise, assign the exit code returned from CLI.
+	 */
+	if (!hadFatalError) {
+		process.exitCode = exitCode;
+	}
+})().catch(onFatalError);

node_modules/eslint/conf/default-cli-options.js

@@ -0,0 +1,32 @@
+/**
+ * @fileoverview Default CLIEngineOptions.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+module.exports = {
+	configFile: null,
+	baseConfig: false,
+	rulePaths: [],
+	useEslintrc: true,
+	envs: [],
+	globals: [],
+	extensions: null,
+	ignore: true,
+	ignorePath: void 0,
+	cache: false,
+
+	/*
+	 * in order to honor the cacheFile option if specified
+	 * this option should not have a default value otherwise
+	 * it will always be used
+	 */
+	cacheLocation: "",
+	cacheFile: ".eslintcache",
+	cacheStrategy: "metadata",
+	fix: false,
+	allowInlineConfig: true,
+	reportUnusedDisableDirectives: void 0,
+	globInputPaths: true,
+};

node_modules/eslint/conf/ecma-version.js

@@ -0,0 +1,16 @@
+/**
+ * @fileoverview Configuration related to ECMAScript versions
+ * @author Milos Djermanovic
+ */
+
+"use strict";
+
+/**
+ * The latest ECMAScript version supported by ESLint.
+ * @type {number} year-based ECMAScript version
+ */
+const LATEST_ECMA_VERSION = 2026;
+
+module.exports = {
+	LATEST_ECMA_VERSION,
+};

node_modules/eslint/conf/globals.js

@@ -0,0 +1,169 @@
+/**
+ * @fileoverview Globals for ecmaVersion/sourceType
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Globals
+//-----------------------------------------------------------------------------
+
+const commonjs = {
+	exports: true,
+	global: false,
+	module: false,
+	require: false,
+};
+
+const es3 = {
+	Array: false,
+	Boolean: false,
+	constructor: false,
+	Date: false,
+	decodeURI: false,
+	decodeURIComponent: false,
+	encodeURI: false,
+	encodeURIComponent: false,
+	Error: false,
+	escape: false,
+	eval: false,
+	EvalError: false,
+	Function: false,
+	hasOwnProperty: false,
+	Infinity: false,
+	isFinite: false,
+	isNaN: false,
+	isPrototypeOf: false,
+	Math: false,
+	NaN: false,
+	Number: false,
+	Object: false,
+	parseFloat: false,
+	parseInt: false,
+	propertyIsEnumerable: false,
+	RangeError: false,
+	ReferenceError: false,
+	RegExp: false,
+	String: false,
+	SyntaxError: false,
+	toLocaleString: false,
+	toString: false,
+	TypeError: false,
+	undefined: false,
+	unescape: false,
+	URIError: false,
+	valueOf: false,
+};
+
+const es5 = {
+	...es3,
+	JSON: false,
+};
+
+const es2015 = {
+	...es5,
+	ArrayBuffer: false,
+	DataView: false,
+	Float32Array: false,
+	Float64Array: false,
+	Int16Array: false,
+	Int32Array: false,
+	Int8Array: false,
+	Intl: false,
+	Map: false,
+	Promise: false,
+	Proxy: false,
+	Reflect: false,
+	Set: false,
+	Symbol: false,
+	Uint16Array: false,
+	Uint32Array: false,
+	Uint8Array: false,
+	Uint8ClampedArray: false,
+	WeakMap: false,
+	WeakSet: false,
+};
+
+// no new globals in ES2016
+const es2016 = {
+	...es2015,
+};
+
+const es2017 = {
+	...es2016,
+	Atomics: false,
+	SharedArrayBuffer: false,
+};
+
+// no new globals in ES2018
+const es2018 = {
+	...es2017,
+};
+
+// no new globals in ES2019
+const es2019 = {
+	...es2018,
+};
+
+const es2020 = {
+	...es2019,
+	BigInt: false,
+	BigInt64Array: false,
+	BigUint64Array: false,
+	globalThis: false,
+};
+
+const es2021 = {
+	...es2020,
+	AggregateError: false,
+	FinalizationRegistry: false,
+	WeakRef: false,
+};
+
+const es2022 = {
+	...es2021,
+};
+
+const es2023 = {
+	...es2022,
+};
+
+const es2024 = {
+	...es2023,
+};
+
+const es2025 = {
+	...es2024,
+	Float16Array: false,
+	Iterator: false,
+};
+
+const es2026 = {
+	...es2025,
+	AsyncDisposableStack: false,
+	DisposableStack: false,
+	SuppressedError: false,
+};
+
+//-----------------------------------------------------------------------------
+// Exports
+//-----------------------------------------------------------------------------
+
+module.exports = {
+	commonjs,
+	es3,
+	es5,
+	es2015,
+	es2016,
+	es2017,
+	es2018,
+	es2019,
+	es2020,
+	es2021,
+	es2022,
+	es2023,
+	es2024,
+	es2025,
+	es2026,
+};

node_modules/eslint/conf/replacements.json

@@ -0,0 +1,26 @@
+{
+  "rules": {
+    "generator-star": ["generator-star-spacing"],
+    "global-strict": ["strict"],
+    "no-arrow-condition": ["no-confusing-arrow", "no-constant-condition"],
+    "no-comma-dangle": ["comma-dangle"],
+    "no-empty-class": ["no-empty-character-class"],
+    "no-empty-label": ["no-labels"],
+    "no-extra-strict": ["strict"],
+    "no-reserved-keys": ["quote-props"],
+    "no-space-before-semi": ["semi-spacing"],
+    "no-wrap-func": ["no-extra-parens"],
+    "space-after-function-name": ["space-before-function-paren"],
+    "space-after-keywords": ["keyword-spacing"],
+    "space-before-function-parentheses": ["space-before-function-paren"],
+    "space-before-keywords": ["keyword-spacing"],
+    "space-in-brackets": [
+      "object-curly-spacing",
+      "array-bracket-spacing",
+      "computed-property-spacing"
+    ],
+    "space-return-throw-case": ["keyword-spacing"],
+    "space-unary-word-ops": ["space-unary-ops"],
+    "spaced-line-comment": ["spaced-comment"]
+  }
+}

node_modules/eslint/conf/rule-type-list.json

@@ -0,0 +1,91 @@
+{
+  "types": {
+    "problem": [],
+    "suggestion": [],
+    "layout": []
+  },
+  "deprecated": [],
+  "removed": [
+    {
+      "removed": "generator-star",
+      "replacedBy": [{ "rule": { "name": "generator-star-spacing" } }]
+    },
+    {
+      "removed": "global-strict",
+      "replacedBy": [{ "rule": { "name": "strict" } }]
+    },
+    {
+      "removed": "no-arrow-condition",
+      "replacedBy": [
+        { "rule": { "name": "no-confusing-arrow" } },
+        { "rule": { "name": "no-constant-condition" } }
+      ]
+    },
+    {
+      "removed": "no-comma-dangle",
+      "replacedBy": [{ "rule": { "name": "comma-dangle" } }]
+    },
+    {
+      "removed": "no-empty-class",
+      "replacedBy": [{ "rule": { "name": "no-empty-character-class" } }]
+    },
+    {
+      "removed": "no-empty-label",
+      "replacedBy": [{ "rule": { "name": "no-labels" } }]
+    },
+    {
+      "removed": "no-extra-strict",
+      "replacedBy": [{ "rule": { "name": "strict" } }]
+    },
+    {
+      "removed": "no-reserved-keys",
+      "replacedBy": [{ "rule": { "name": "quote-props" } }]
+    },
+    {
+      "removed": "no-space-before-semi",
+      "replacedBy": [{ "rule": { "name": "semi-spacing" } }]
+    },
+    {
+      "removed": "no-wrap-func",
+      "replacedBy": [{ "rule": { "name": "no-extra-parens" } }]
+    },
+    {
+      "removed": "space-after-function-name",
+      "replacedBy": [{ "rule": { "name": "space-before-function-paren" } }]
+    },
+    {
+      "removed": "space-after-keywords",
+      "replacedBy": [{ "rule": { "name": "keyword-spacing" } }]
+    },
+    {
+      "removed": "space-before-function-parentheses",
+      "replacedBy": [{ "rule": { "name": "space-before-function-paren" } }]
+    },
+    {
+      "removed": "space-before-keywords",
+      "replacedBy": [{ "rule": { "name": "keyword-spacing" } }]
+    },
+    {
+      "removed": "space-in-brackets",
+      "replacedBy": [
+        { "rule": { "name": "object-curly-spacing" } },
+        { "rule": { "name": "array-bracket-spacing" } },
+        { "rule": { "name": "computed-property-spacing" } }
+      ]
+    },
+    {
+      "removed": "space-return-throw-case",
+      "replacedBy": [{ "rule": { "name": "keyword-spacing" } }]
+    },
+    {
+      "removed": "space-unary-word-ops",
+      "replacedBy": [{ "rule": { "name": "space-unary-ops" } }]
+    },
+    {
+      "removed": "spaced-line-comment",
+      "replacedBy": [{ "rule": { "name": "spaced-comment" } }]
+    },
+    { "removed": "valid-jsdoc", "replacedBy": [] },
+    { "removed": "require-jsdoc", "replacedBy": [] }
+  ]
+}

node_modules/eslint/lib/api.js

@@ -0,0 +1,50 @@
+/**
+ * @fileoverview Expose out ESLint and CLI to require.
+ * @author Ian Christian Myers
+ */
+
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const { ESLint, shouldUseFlatConfig } = require("./eslint/eslint");
+const { LegacyESLint } = require("./eslint/legacy-eslint");
+const { Linter } = require("./linter");
+const { RuleTester } = require("./rule-tester");
+const { SourceCode } = require("./languages/js/source-code");
+
+//-----------------------------------------------------------------------------
+// Functions
+//-----------------------------------------------------------------------------
+
+/**
+ * Loads the correct ESLint constructor given the options.
+ * @param {Object} [options] The options object
+ * @param {boolean} [options.useFlatConfig] Whether or not to use a flat config
+ * @returns {Promise<ESLint|LegacyESLint>} The ESLint constructor
+ */
+async function loadESLint({ useFlatConfig } = {}) {
+	/*
+	 * Note: The v8.x version of this function also accepted a `cwd` option, but
+	 * it is not used in this implementation so we silently ignore it.
+	 */
+
+	const shouldESLintUseFlatConfig =
+		useFlatConfig ?? (await shouldUseFlatConfig());
+
+	return shouldESLintUseFlatConfig ? ESLint : LegacyESLint;
+}
+
+//-----------------------------------------------------------------------------
+// Exports
+//-----------------------------------------------------------------------------
+
+module.exports = {
+	Linter,
+	loadESLint,
+	ESLint,
+	RuleTester,
+	SourceCode,
+};

node_modules/eslint/lib/cli-engine/formatters/formatters-meta.json

@@ -0,0 +1,18 @@
+[
+  {
+    "name": "html",
+    "description": "Outputs results to HTML. The `html` formatter is useful for visual presentation in the browser."
+  },
+  {
+    "name": "json-with-metadata",
+    "description": "Outputs JSON-serialized results. The `json-with-metadata` provides the same linting results as the [`json`](#json) formatter with additional metadata about the rules applied. The linting results are included in the `results` property and the rules metadata is included in the `metadata` property.\n\nAlternatively, you can use the [ESLint Node.js API](../../integrate/nodejs-api) to programmatically use ESLint."
+  },
+  {
+    "name": "json",
+    "description": "Outputs JSON-serialized results. The `json` formatter is useful when you want to programmatically work with the CLI's linting results.\n\nAlternatively, you can use the [ESLint Node.js API](../../integrate/nodejs-api) to programmatically use ESLint."
+  },
+  {
+    "name": "stylish",
+    "description": "Human-readable output format. This is the default formatter."
+  }
+]

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,
+	});
+};

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);
+};

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

@@ -0,0 +1,122 @@
+/**
+ * @fileoverview Stylish reporter
+ * @author Sindre Sorhus
+ */
+"use strict";
+
+const chalk = require("chalk"),
+	util = require("node:util"),
+	table = require("../../shared/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 {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 : `${word}s`;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = function (results) {
+	let output = "\n",
+		errorCount = 0,
+		warningCount = 0,
+		fixableErrorCount = 0,
+		fixableWarningCount = 0,
+		summaryColor = "yellow";
+
+	results.forEach(result => {
+		const messages = result.messages;
+
+		if (messages.length === 0) {
+			return;
+		}
+
+		errorCount += result.errorCount;
+		warningCount += result.warningCount;
+		fixableErrorCount += result.fixableErrorCount;
+		fixableWarningCount += result.fixableWarningCount;
+
+		output += `${chalk.underline(result.filePath)}\n`;
+
+		output += `${table(
+			messages.map(message => {
+				let messageType;
+
+				if (message.fatal || message.severity === 2) {
+					messageType = chalk.red("error");
+					summaryColor = "red";
+				} else {
+					messageType = chalk.yellow("warning");
+				}
+
+				return [
+					"",
+					String(message.line || 0),
+					String(message.column || 0),
+					messageType,
+					message.message.replace(/([^ ])\.$/u, "$1"),
+					chalk.dim(message.ruleId || ""),
+				];
+			}),
+			{
+				align: ["", "r", "l"],
+				stringLength(str) {
+					return util.stripVTControlCharacters(str).length;
+				},
+			},
+		)
+			.split("\n")
+			.map(el =>
+				el.replace(/(\d+)\s+(\d+)/u, (m, p1, p2) =>
+					chalk.dim(`${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) : "";
+};

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;

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

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

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

@@ -0,0 +1,220 @@
+/**
+ * @fileoverview Utility for caching lint results.
+ * @author Kevin Partington
+ */
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const fs = require("node:fs");
+const fileEntryCache = require("file-entry-cache");
+const stringify = require("json-stable-stringify-without-jsonify");
+const pkg = require("../../package.json");
+const assert = require("../shared/assert");
+const hash = require("./hash");
+
+const debug = require("debug")("eslint:lint-result-cache");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/** @typedef {import("../types").Linter.Config} Config */
+
+//-----------------------------------------------------------------------------
+// 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.includes(cacheStrategy);
+}
+
+/**
+ * Calculates the hash of the config
+ * @param {Config} 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 {Config} 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) {
+		const cachedResults = this.getValidCachedLintResults(filePath, config);
+
+		if (!cachedResults) {
+			return cachedResults;
+		}
+
+		/*
+		 * Shallow clone the object to ensure that any properties added or modified afterwards
+		 * will not be accidentally stored in the cache file when `reconcile()` is called.
+		 * https://github.com/eslint/eslint/issues/13507
+		 * All intentional changes to the cache file must be done through `setCachedLintResults()`.
+		 */
+		const results = { ...cachedResults };
+
+		// If source is present but null, need to reread the file from the filesystem.
+		if (results.source === null) {
+			debug(
+				`Rereading cached result source from filesystem: ${filePath}`,
+			);
+			results.source = fs.readFileSync(filePath, "utf-8");
+		}
+
+		return results;
+	}
+
+	/**
+	 * Retrieve cached lint results for a given file path, if present in the
+	 * cache and still valid.
+	 * @param {string} filePath The file for which to retrieve lint results.
+	 * @param {Config} config The config of the file.
+	 * @returns {Object|null} The cached lint results if present in the cache
+	 * and still valid; null otherwise.
+	 */
+	getValidCachedLintResults(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);
+
+		if (fileDescriptor.notFound) {
+			debug(`File not found on the file system: ${filePath}`);
+			return null;
+		}
+
+		const hashOfConfig = hashOfConfigFor(config);
+		const changed =
+			fileDescriptor.changed ||
+			fileDescriptor.meta.hashOfConfig !== hashOfConfig;
+
+		if (changed) {
+			debug(`Cache entry not found or no longer valid: ${filePath}`);
+			return null;
+		}
+
+		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 {Config} 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.hasOwn(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.hasOwn(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;

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("node:fs"),
+	path = require("node: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;
+};

node_modules/eslint/lib/config-api.js

@@ -0,0 +1,12 @@
+/**
+ * @fileoverview exports for config helpers
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+const { defineConfig, globalIgnores } = require("@eslint/config-helpers");
+
+module.exports = {
+	defineConfig,
+	globalIgnores,
+};

node_modules/eslint/lib/config/default-config.js

@@ -0,0 +1,78 @@
+/**
+ * @fileoverview Default configuration
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const Rules = require("../rules");
+
+//-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+const sharedDefaultConfig = [
+	// intentionally empty config to ensure these files are globbed by default
+	{
+		files: ["**/*.js", "**/*.mjs"],
+	},
+	{
+		files: ["**/*.cjs"],
+		languageOptions: {
+			sourceType: "commonjs",
+			ecmaVersion: "latest",
+		},
+	},
+];
+
+exports.defaultConfig = Object.freeze([
+	{
+		plugins: {
+			"@": {
+				languages: {
+					js: require("../languages/js"),
+				},
+
+				/*
+				 * Because we try to delay loading rules until absolutely
+				 * necessary, a proxy allows us to hook into the lazy-loading
+				 * aspect of the rules map while still keeping all of the
+				 * relevant configuration inside of the config array.
+				 */
+				rules: new Proxy(
+					{},
+					{
+						get(target, property) {
+							return Rules.get(property);
+						},
+
+						has(target, property) {
+							return Rules.has(property);
+						},
+					},
+				),
+			},
+		},
+		language: "@/js",
+		linterOptions: {
+			reportUnusedDisableDirectives: 1,
+		},
+	},
+
+	// default ignores are listed here
+	{
+		ignores: ["**/node_modules/", ".git/"],
+	},
+
+	...sharedDefaultConfig,
+]);
+
+exports.defaultRuleTesterConfig = Object.freeze([
+	{ files: ["**"] }, // Make sure the default config matches for all files
+
+	...sharedDefaultConfig,
+]);

node_modules/eslint/lib/config/flat-config-array.js

@@ -0,0 +1,217 @@
+/**
+ * @fileoverview Flat Config Array
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const { ConfigArray, ConfigArraySymbol } = require("@eslint/config-array");
+const { flatConfigSchema } = require("./flat-config-schema");
+const { defaultConfig } = require("./default-config");
+const { Config } = require("./config");
+
+//-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+/**
+ * Fields that are considered metadata and not part of the config object.
+ */
+const META_FIELDS = new Set(["name", "basePath"]);
+
+/**
+ * Wraps a config error with details about where the error occurred.
+ * @param {Error} error The original error.
+ * @param {number} originalLength The original length of the config array.
+ * @param {number} baseLength The length of the base config.
+ * @returns {TypeError} The new error with details.
+ */
+function wrapConfigErrorWithDetails(error, originalLength, baseLength) {
+	let location = "user-defined";
+	let configIndex = error.index;
+
+	/*
+	 * A config array is set up in this order:
+	 * 1. Base config
+	 * 2. Original configs
+	 * 3. User-defined configs
+	 * 4. CLI-defined configs
+	 *
+	 * So we need to adjust the index to account for the base config.
+	 *
+	 * - If the index is less than the base length, it's in the base config
+	 *   (as specified by `baseConfig` argument to `FlatConfigArray` constructor).
+	 * - If the index is greater than the base length but less than the original
+	 *   length + base length, it's in the original config. The original config
+	 *   is passed to the `FlatConfigArray` constructor as the first argument.
+	 * - Otherwise, it's in the user-defined config, which is loaded from the
+	 *   config file and merged with any command-line options.
+	 */
+	if (error.index < baseLength) {
+		location = "base";
+	} else if (error.index < originalLength + baseLength) {
+		location = "original";
+		configIndex = error.index - baseLength;
+	} else {
+		configIndex = error.index - originalLength - baseLength;
+	}
+
+	return new TypeError(
+		`${error.message.slice(0, -1)} at ${location} index ${configIndex}.`,
+		{ cause: error },
+	);
+}
+
+const originalBaseConfig = Symbol("originalBaseConfig");
+const originalLength = Symbol("originalLength");
+const baseLength = Symbol("baseLength");
+
+//-----------------------------------------------------------------------------
+// Exports
+//-----------------------------------------------------------------------------
+
+/**
+ * Represents an array containing configuration information for ESLint.
+ */
+class FlatConfigArray extends ConfigArray {
+	/**
+	 * Creates a new instance.
+	 * @param {*[]} configs An array of configuration information.
+	 * @param {{basePath: string, shouldIgnore: boolean, baseConfig: FlatConfig}} options The options
+	 *      to use for the config array instance.
+	 */
+	constructor(
+		configs,
+		{ basePath, shouldIgnore = true, baseConfig = defaultConfig } = {},
+	) {
+		super(configs, {
+			basePath,
+			schema: flatConfigSchema,
+		});
+
+		/**
+		 * The original length of the array before any modifications.
+		 * @type {number}
+		 */
+		this[originalLength] = this.length;
+
+		if (baseConfig[Symbol.iterator]) {
+			this.unshift(...baseConfig);
+		} else {
+			this.unshift(baseConfig);
+		}
+
+		/**
+		 * The length of the array after applying the base config.
+		 * @type {number}
+		 */
+		this[baseLength] = this.length - this[originalLength];
+
+		/**
+		 * The base config used to build the config array.
+		 * @type {Array<FlatConfig>}
+		 */
+		this[originalBaseConfig] = baseConfig;
+		Object.defineProperty(this, originalBaseConfig, { writable: false });
+
+		/**
+		 * Determines if `ignores` fields should be honored.
+		 * If true, then all `ignores` fields are honored.
+		 * if false, then only `ignores` fields in the baseConfig are honored.
+		 * @type {boolean}
+		 */
+		this.shouldIgnore = shouldIgnore;
+		Object.defineProperty(this, "shouldIgnore", { writable: false });
+	}
+
+	/**
+	 * Normalizes the array by calling the superclass method and catching/rethrowing
+	 * any ConfigError exceptions with additional details.
+	 * @param {any} [context] The context to use to normalize the array.
+	 * @returns {Promise<FlatConfigArray>} A promise that resolves when the array is normalized.
+	 */
+	normalize(context) {
+		return super.normalize(context).catch(error => {
+			if (error.name === "ConfigError") {
+				throw wrapConfigErrorWithDetails(
+					error,
+					this[originalLength],
+					this[baseLength],
+				);
+			}
+
+			throw error;
+		});
+	}
+
+	/**
+	 * Normalizes the array by calling the superclass method and catching/rethrowing
+	 * any ConfigError exceptions with additional details.
+	 * @param {any} [context] The context to use to normalize the array.
+	 * @returns {FlatConfigArray} The current instance.
+	 * @throws {TypeError} If the config is invalid.
+	 */
+	normalizeSync(context) {
+		try {
+			return super.normalizeSync(context);
+		} catch (error) {
+			if (error.name === "ConfigError") {
+				throw wrapConfigErrorWithDetails(
+					error,
+					this[originalLength],
+					this[baseLength],
+				);
+			}
+
+			throw error;
+		}
+	}
+
+	/* eslint-disable class-methods-use-this -- Desired as instance method */
+	/**
+	 * Replaces a config with another config to allow us to put strings
+	 * in the config array that will be replaced by objects before
+	 * normalization.
+	 * @param {Object} config The config to preprocess.
+	 * @returns {Object} The preprocessed config.
+	 */
+	[ConfigArraySymbol.preprocessConfig](config) {
+		/*
+		 * If a config object has `ignores` and no other non-meta fields, then it's an object
+		 * for global ignores. If `shouldIgnore` is false, that object shouldn't apply,
+		 * so we'll remove its `ignores`.
+		 */
+		if (
+			!this.shouldIgnore &&
+			!this[originalBaseConfig].includes(config) &&
+			config.ignores &&
+			Object.keys(config).filter(key => !META_FIELDS.has(key)).length ===
+				1
+		) {
+			/* eslint-disable-next-line no-unused-vars -- need to strip off other keys */
+			const { ignores, ...otherKeys } = config;
+
+			return otherKeys;
+		}
+
+		return config;
+	}
+
+	/**
+	 * Finalizes the config by replacing plugin references with their objects
+	 * and validating rule option schemas.
+	 * @param {Object} config The config to finalize.
+	 * @returns {Object} The finalized config.
+	 * @throws {TypeError} If the config is invalid.
+	 */
+	[ConfigArraySymbol.finalizeConfig](config) {
+		return new Config(config);
+	}
+	/* eslint-enable class-methods-use-this -- Desired as instance method */
+}
+
+exports.FlatConfigArray = FlatConfigArray;

node_modules/eslint/lib/eslint/index.js

@@ -0,0 +1,9 @@
+"use strict";
+
+const { ESLint } = require("./eslint");
+const { LegacyESLint } = require("./legacy-eslint");
+
+module.exports = {
+	ESLint,
+	LegacyESLint,
+};

node_modules/eslint/lib/eslint/worker.js

@@ -0,0 +1,173 @@
+/**
+ * @fileoverview Worker thread for multithread linting.
+ * @author Francesco Trotta
+ */
+
+"use strict";
+
+const hrtimeBigint = process.hrtime.bigint;
+
+const startTime = hrtimeBigint();
+
+// eslint-disable-next-line n/no-unsupported-features/node-builtins -- enable V8's code cache if supported
+require("node:module").enableCompileCache?.();
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { parentPort, threadId, workerData } = require("node:worker_threads");
+const {
+	createConfigLoader,
+	createDebug,
+	createDefaultConfigs,
+	createLinter,
+	createLintResultCache,
+	getCacheFile,
+	lintFile,
+	loadOptionsFromModule,
+	processOptions,
+} = require("./eslint-helpers");
+const { WarningService } = require("../services/warning-service");
+const timing = require("../linter/timing");
+
+const depsLoadedTime = hrtimeBigint();
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/** @typedef {import("../types").ESLint.LintResult} LintResult */
+/** @typedef {import("../types").ESLint.Options} ESLintOptions */
+/** @typedef {LintResult & { index?: number; }} IndexedLintResult */
+/** @typedef {IndexedLintResult[] & { netLintingDuration: bigint; timings?: Record<string, number>; }} WorkerLintResults */
+/**
+ * @typedef {Object} WorkerData - Data passed to the worker thread.
+ * @property {ESLintOptions | string} eslintOptionsOrURL - The unprocessed ESLint options or the URL of the options module.
+ * @property {Uint32Array<SharedArrayBuffer>} filePathIndexArray - Shared counter used to track the next file to lint.
+ * @property {string[]} filePaths - File paths to lint.
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const debug = createDebug(`eslint:worker:thread-${threadId}`);
+
+//------------------------------------------------------------------------------
+// Main
+//------------------------------------------------------------------------------
+
+/*
+ * Prevent timing module from printing profiling output from worker threads.
+ * The main thread is responsible for displaying any aggregated timings.
+ */
+timing.disableDisplay();
+
+debug("Dependencies loaded in %t", depsLoadedTime - startTime);
+
+(async () => {
+	/** @type {WorkerData} */
+	const { eslintOptionsOrURL, filePathIndexArray, filePaths } = workerData;
+	const eslintOptions =
+		typeof eslintOptionsOrURL === "object"
+			? eslintOptionsOrURL
+			: await loadOptionsFromModule(eslintOptionsOrURL);
+	const processedESLintOptions = processOptions(eslintOptions);
+
+	const warningService = new WarningService();
+
+	// These warnings are always emitted by the controlling thread.
+	warningService.emitEmptyConfigWarning =
+		warningService.emitInactiveFlagWarning = () => {};
+
+	const linter = createLinter(processedESLintOptions, warningService);
+
+	const cacheFilePath = getCacheFile(
+		processedESLintOptions.cacheLocation,
+		processedESLintOptions.cwd,
+	);
+
+	const lintResultCache = createLintResultCache(
+		processedESLintOptions,
+		cacheFilePath,
+	);
+	const defaultConfigs = createDefaultConfigs(eslintOptions.plugins);
+
+	const configLoader = createConfigLoader(
+		processedESLintOptions,
+		defaultConfigs,
+		linter,
+		warningService,
+	);
+
+	/** @type {WorkerLintResults} */
+	const indexedResults = [];
+	let loadConfigTotalDuration = 0n;
+	const readFileCounter = { duration: 0n };
+
+	const lintingStartTime = hrtimeBigint();
+	debug(
+		"Linting started %t after dependencies loaded",
+		lintingStartTime - depsLoadedTime,
+	);
+
+	for (;;) {
+		const fileLintingStartTime = hrtimeBigint();
+
+		// It seems hard to produce an arithmetic overflow under realistic conditions here.
+		const index = Atomics.add(filePathIndexArray, 0, 1);
+
+		const filePath = filePaths[index];
+		if (!filePath) {
+			break;
+		}
+
+		const loadConfigEnterTime = hrtimeBigint();
+		const configs = await configLoader.loadConfigArrayForFile(filePath);
+		const loadConfigExitTime = hrtimeBigint();
+		const loadConfigDuration = loadConfigExitTime - loadConfigEnterTime;
+		debug(
+			'Config array for file "%s" loaded in %t',
+			filePath,
+			loadConfigDuration,
+		);
+		loadConfigTotalDuration += loadConfigDuration;
+
+		/** @type {IndexedLintResult} */
+		const result = await lintFile(
+			filePath,
+			configs,
+			processedESLintOptions,
+			linter,
+			lintResultCache,
+			readFileCounter,
+		);
+		if (result) {
+			result.index = index;
+			indexedResults.push(result);
+		}
+
+		const fileLintingEndTime = hrtimeBigint();
+		debug(
+			'File "%s" processed in %t',
+			filePath,
+			fileLintingEndTime - fileLintingStartTime,
+		);
+	}
+
+	const lintingDuration = hrtimeBigint() - lintingStartTime;
+
+	/*
+	 * The net linting duration is the total linting time minus the time spent loading configs and reading files.
+	 * It captures the processing time dedicated to computation-intensive tasks that are highly parallelizable and not repeated across threads.
+	 */
+	indexedResults.netLintingDuration =
+		lintingDuration - loadConfigTotalDuration - readFileCounter.duration;
+
+	if (timing.enabled) {
+		indexedResults.timings = timing.getData();
+	}
+
+	parentPort.postMessage(indexedResults);
+})();

node_modules/eslint/lib/languages/js/index.js

@@ -0,0 +1,336 @@
+/**
+ * @fileoverview JavaScript Language Object
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Requirements
+//-----------------------------------------------------------------------------
+
+const { SourceCode } = require("./source-code");
+const createDebug = require("debug");
+const astUtils = require("../../shared/ast-utils");
+const espree = require("espree");
+const eslintScope = require("eslint-scope");
+const evk = require("eslint-visitor-keys");
+const { validateLanguageOptions } = require("./validate-language-options");
+const { LATEST_ECMA_VERSION } = require("../../../conf/ecma-version");
+
+//-----------------------------------------------------------------------------
+// Type Definitions
+//-----------------------------------------------------------------------------
+
+/** @typedef {import("@eslint/core").File} File */
+/** @typedef {import("@eslint/core").Language} Language */
+/** @typedef {import("@eslint/core").OkParseResult} OkParseResult */
+/** @typedef {import("../../types").Linter.LanguageOptions} JSLanguageOptions */
+
+//-----------------------------------------------------------------------------
+// Helpers
+//-----------------------------------------------------------------------------
+
+const debug = createDebug("eslint:languages:js");
+const DEFAULT_ECMA_VERSION = 5;
+const parserSymbol = Symbol.for("eslint.RuleTester.parser");
+
+/**
+ * Analyze scope of the given AST.
+ * @param {ASTNode} ast The `Program` node to analyze.
+ * @param {JSLanguageOptions} languageOptions The parser options.
+ * @param {Record<string, string[]>} visitorKeys The visitor keys.
+ * @returns {ScopeManager} The analysis result.
+ */
+function analyzeScope(ast, languageOptions, visitorKeys) {
+	const parserOptions = languageOptions.parserOptions;
+	const ecmaFeatures = parserOptions.ecmaFeatures || {};
+	const ecmaVersion = languageOptions.ecmaVersion || DEFAULT_ECMA_VERSION;
+
+	return eslintScope.analyze(ast, {
+		ignoreEval: true,
+		nodejsScope: ecmaFeatures.globalReturn,
+		impliedStrict: ecmaFeatures.impliedStrict,
+		ecmaVersion: typeof ecmaVersion === "number" ? ecmaVersion : 6,
+		sourceType: languageOptions.sourceType || "script",
+		childVisitorKeys: visitorKeys || evk.KEYS,
+		fallback: evk.getKeys,
+	});
+}
+
+/**
+ * Determines if a given object is Espree.
+ * @param {Object} parser The parser to check.
+ * @returns {boolean} True if the parser is Espree or false if not.
+ */
+function isEspree(parser) {
+	return !!(parser === espree || parser[parserSymbol] === espree);
+}
+
+/**
+ * Normalize ECMAScript version from the initial config into languageOptions (year)
+ * format.
+ * @param {any} [ecmaVersion] ECMAScript version from the initial config
+ * @returns {number} normalized ECMAScript version
+ */
+function normalizeEcmaVersionForLanguageOptions(ecmaVersion) {
+	switch (ecmaVersion) {
+		case 3:
+			return 3;
+
+		// void 0 = no ecmaVersion specified so use the default
+		case 5:
+		case void 0:
+			return 5;
+
+		default:
+			if (typeof ecmaVersion === "number") {
+				return ecmaVersion >= 2015 ? ecmaVersion : ecmaVersion + 2009;
+			}
+	}
+
+	/*
+	 * We default to the latest supported ecmaVersion for everything else.
+	 * Remember, this is for languageOptions.ecmaVersion, which sets the version
+	 * that is used for a number of processes inside of ESLint. It's normally
+	 * safe to assume people want the latest unless otherwise specified.
+	 */
+	return LATEST_ECMA_VERSION;
+}
+
+//-----------------------------------------------------------------------------
+// Exports
+//-----------------------------------------------------------------------------
+
+/**
+ * @type {Language}
+ */
+module.exports = {
+	fileType: "text",
+	lineStart: 1,
+	columnStart: 0,
+	nodeTypeKey: "type",
+	visitorKeys: evk.KEYS,
+
+	defaultLanguageOptions: {
+		sourceType: "module",
+		ecmaVersion: "latest",
+		parser: espree,
+		parserOptions: {},
+	},
+
+	validateLanguageOptions,
+
+	/**
+	 * Normalizes the language options.
+	 * @param {Object} languageOptions The language options to normalize.
+	 * @returns {Object} The normalized language options.
+	 */
+	normalizeLanguageOptions(languageOptions) {
+		languageOptions.ecmaVersion = normalizeEcmaVersionForLanguageOptions(
+			languageOptions.ecmaVersion,
+		);
+
+		// Espree expects this information to be passed in
+		if (isEspree(languageOptions.parser)) {
+			const parserOptions = languageOptions.parserOptions;
+
+			if (languageOptions.sourceType) {
+				parserOptions.sourceType = languageOptions.sourceType;
+
+				if (
+					parserOptions.sourceType === "module" &&
+					parserOptions.ecmaFeatures &&
+					parserOptions.ecmaFeatures.globalReturn
+				) {
+					parserOptions.ecmaFeatures.globalReturn = false;
+				}
+			}
+		}
+
+		return languageOptions;
+	},
+
+	/**
+	 * Determines if a given node matches a given selector class.
+	 * @param {string} className The class name to check.
+	 * @param {ASTNode} node The node to check.
+	 * @param {Array<ASTNode>} ancestry The ancestry of the node.
+	 * @returns {boolean} True if there's a match, false if not.
+	 * @throws {Error} When an unknown class name is passed.
+	 */
+	matchesSelectorClass(className, node, ancestry) {
+		/*
+		 * Copyright (c) 2013, Joel Feenstra
+		 * All rights reserved.
+		 *
+		 * Redistribution and use in source and binary forms, with or without
+		 * modification, are permitted provided that the following conditions are met:
+		 *    * Redistributions of source code must retain the above copyright
+		 *      notice, this list of conditions and the following disclaimer.
+		 *    * Redistributions in binary form must reproduce the above copyright
+		 *      notice, this list of conditions and the following disclaimer in the
+		 *      documentation and/or other materials provided with the distribution.
+		 *    * Neither the name of the ESQuery nor the names of its contributors may
+		 *      be used to endorse or promote products derived from this software without
+		 *      specific prior written permission.
+		 *
+		 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+		 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+		 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+		 * DISCLAIMED. IN NO EVENT SHALL JOEL FEENSTRA BE LIABLE FOR ANY
+		 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+		 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+		 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+		 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+		 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+		 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+		 */
+
+		switch (className.toLowerCase()) {
+			case "statement":
+				if (node.type.slice(-9) === "Statement") {
+					return true;
+				}
+
+			// fallthrough: interface Declaration <: Statement { }
+
+			case "declaration":
+				return node.type.slice(-11) === "Declaration";
+
+			case "pattern":
+				if (node.type.slice(-7) === "Pattern") {
+					return true;
+				}
+
+			// fallthrough: interface Expression <: Node, Pattern { }
+
+			case "expression":
+				return (
+					node.type.slice(-10) === "Expression" ||
+					node.type.slice(-7) === "Literal" ||
+					(node.type === "Identifier" &&
+						(ancestry.length === 0 ||
+							ancestry[0].type !== "MetaProperty")) ||
+					node.type === "MetaProperty"
+				);
+
+			case "function":
+				return (
+					node.type === "FunctionDeclaration" ||
+					node.type === "FunctionExpression" ||
+					node.type === "ArrowFunctionExpression"
+				);
+
+			default:
+				throw new Error(`Unknown class name: ${className}`);
+		}
+	},
+
+	/**
+	 * Parses the given file into an AST.
+	 * @param {File} file The virtual file to parse.
+	 * @param {Object} options Additional options passed from ESLint.
+	 * @param {JSLanguageOptions} options.languageOptions The language options.
+	 * @returns {Object} The result of parsing.
+	 */
+	parse(file, { languageOptions }) {
+		// Note: BOM already removed
+		const { body: text, path: filePath } = file;
+		const textToParse = text.replace(
+			astUtils.shebangPattern,
+			(match, captured) => `//${captured}`,
+		);
+		const { ecmaVersion, sourceType, parser } = languageOptions;
+		const parserOptions = Object.assign(
+			{ ecmaVersion, sourceType },
+			languageOptions.parserOptions,
+			{
+				loc: true,
+				range: true,
+				raw: true,
+				tokens: true,
+				comment: true,
+				eslintVisitorKeys: true,
+				eslintScopeManager: true,
+				filePath,
+			},
+		);
+
+		/*
+		 * Check for parsing errors first. If there's a parsing error, nothing
+		 * else can happen. However, a parsing error does not throw an error
+		 * from this method - it's just considered a fatal error message, a
+		 * problem that ESLint identified just like any other.
+		 */
+		try {
+			debug("Parsing:", filePath);
+			const parseResult =
+				typeof parser.parseForESLint === "function"
+					? parser.parseForESLint(textToParse, parserOptions)
+					: { ast: parser.parse(textToParse, parserOptions) };
+
+			debug("Parsing successful:", filePath);
+
+			const {
+				ast,
+				services: parserServices = {},
+				visitorKeys = evk.KEYS,
+				scopeManager,
+			} = parseResult;
+
+			return {
+				ok: true,
+				ast,
+				parserServices,
+				visitorKeys,
+				scopeManager,
+			};
+		} catch (ex) {
+			// If the message includes a leading line number, strip it:
+			const message = ex.message.replace(/^line \d+:/iu, "").trim();
+
+			debug("%s\n%s", message, ex.stack);
+
+			return {
+				ok: false,
+				errors: [
+					{
+						message,
+						line: ex.lineNumber,
+						column: ex.column,
+					},
+				],
+			};
+		}
+	},
+
+	/**
+	 * Creates a new `SourceCode` object from the given information.
+	 * @param {File} file The virtual file to create a `SourceCode` object from.
+	 * @param {OkParseResult} parseResult The result returned from `parse()`.
+	 * @param {Object} options Additional options passed from ESLint.
+	 * @param {JSLanguageOptions} options.languageOptions The language options.
+	 * @returns {SourceCode} The new `SourceCode` object.
+	 */
+	createSourceCode(file, parseResult, { languageOptions }) {
+		const { body: text, path: filePath, bom: hasBOM } = file;
+		const { ast, parserServices, visitorKeys } = parseResult;
+
+		debug("Scope analysis:", filePath);
+		const scopeManager =
+			parseResult.scopeManager ||
+			analyzeScope(ast, languageOptions, visitorKeys);
+
+		debug("Scope analysis successful:", filePath);
+
+		return new SourceCode({
+			text,
+			ast,
+			hasBOM,
+			parserServices,
+			scopeManager,
+			visitorKeys,
+		});
+	},
+};

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

@@ -0,0 +1,7 @@
+"use strict";
+
+const SourceCode = require("./source-code");
+
+module.exports = {
+	SourceCode,
+};

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

@@ -0,0 +1,61 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments in reverse.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const utils = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments in reverse.
+ */
+module.exports = class BackwardTokenCommentCursor extends Cursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 */
+	constructor(tokens, comments, indexMap, startLoc, endLoc) {
+		super();
+		this.tokens = tokens;
+		this.comments = comments;
+		this.tokenIndex = utils.getLastIndex(tokens, indexMap, endLoc);
+		this.commentIndex = utils.search(comments, endLoc) - 1;
+		this.border = startLoc;
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		const token =
+			this.tokenIndex >= 0 ? this.tokens[this.tokenIndex] : null;
+		const comment =
+			this.commentIndex >= 0 ? this.comments[this.commentIndex] : null;
+
+		if (token && (!comment || token.range[1] > comment.range[1])) {
+			this.current = token;
+			this.tokenIndex -= 1;
+		} else if (comment) {
+			this.current = comment;
+			this.commentIndex -= 1;
+		} else {
+			this.current = null;
+		}
+
+		return (
+			Boolean(this.current) &&
+			(this.border === -1 || this.current.range[0] >= this.border)
+		);
+	}
+};

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

@@ -0,0 +1,57 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only in reverse.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const { getLastIndex, getFirstIndex } = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only in reverse.
+ */
+module.exports = class BackwardTokenCursor extends Cursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 */
+	constructor(tokens, comments, indexMap, startLoc, endLoc) {
+		super();
+		this.tokens = tokens;
+		this.index = getLastIndex(tokens, indexMap, endLoc);
+		this.indexEnd = getFirstIndex(tokens, indexMap, startLoc);
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		if (this.index >= this.indexEnd) {
+			this.current = this.tokens[this.index];
+			this.index -= 1;
+			return true;
+		}
+		return false;
+	}
+
+	/*
+	 *
+	 * Shorthand for performance.
+	 *
+	 */
+
+	/** @inheritdoc */
+	getOneToken() {
+		return this.index >= this.indexEnd ? this.tokens[this.index] : null;
+	}
+};

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

@@ -0,0 +1,76 @@
+/**
+ * @fileoverview Define the abstract class about cursors which iterate tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which iterate tokens.
+ *
+ * This class has 2 abstract methods.
+ *
+ * - `current: Token | Comment | null` ... The current token.
+ * - `moveNext(): boolean` ... Moves this cursor to the next token. If the next token didn't exist, it returns `false`.
+ *
+ * This is similar to ES2015 Iterators.
+ * However, Iterators were slow (at 2017-01), so I created this class as similar to C# IEnumerable.
+ *
+ * There are the following known sub classes.
+ *
+ * - ForwardTokenCursor .......... The cursor which iterates tokens only.
+ * - BackwardTokenCursor ......... The cursor which iterates tokens only in reverse.
+ * - ForwardTokenCommentCursor ... The cursor which iterates tokens and comments.
+ * - BackwardTokenCommentCursor .. The cursor which iterates tokens and comments in reverse.
+ * - DecorativeCursor
+ *     - FilterCursor ............ The cursor which ignores the specified tokens.
+ *     - SkipCursor .............. The cursor which ignores the first few tokens.
+ *     - LimitCursor ............. The cursor which limits the count of tokens.
+ *
+ */
+module.exports = class Cursor {
+	/**
+	 * Initializes this cursor.
+	 */
+	constructor() {
+		this.current = null;
+	}
+
+	/**
+	 * Gets the first token.
+	 * This consumes this cursor.
+	 * @returns {Token|Comment} The first token or null.
+	 */
+	getOneToken() {
+		return this.moveNext() ? this.current : null;
+	}
+
+	/**
+	 * Gets the first tokens.
+	 * This consumes this cursor.
+	 * @returns {(Token|Comment)[]} All tokens.
+	 */
+	getAllTokens() {
+		const tokens = [];
+
+		while (this.moveNext()) {
+			tokens.push(this.current);
+		}
+
+		return tokens;
+	}
+
+	/**
+	 * Moves this cursor to the next token.
+	 * @returns {boolean} `true` if the next token exists.
+	 * @abstract
+	 */
+	/* c8 ignore next */
+	// eslint-disable-next-line class-methods-use-this -- Unused
+	moveNext() {
+		throw new Error("Not implemented.");
+	}
+};

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

@@ -0,0 +1,120 @@
+/**
+ * @fileoverview Define 2 token factories; forward and backward.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const BackwardTokenCommentCursor = require("./backward-token-comment-cursor");
+const BackwardTokenCursor = require("./backward-token-cursor");
+const FilterCursor = require("./filter-cursor");
+const ForwardTokenCommentCursor = require("./forward-token-comment-cursor");
+const ForwardTokenCursor = require("./forward-token-cursor");
+const LimitCursor = require("./limit-cursor");
+const SkipCursor = require("./skip-cursor");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor factory.
+ * @private
+ */
+class CursorFactory {
+	/**
+	 * Initializes this cursor.
+	 * @param {Function} TokenCursor The class of the cursor which iterates tokens only.
+	 * @param {Function} TokenCommentCursor The class of the cursor which iterates the mix of tokens and comments.
+	 */
+	constructor(TokenCursor, TokenCommentCursor) {
+		this.TokenCursor = TokenCursor;
+		this.TokenCommentCursor = TokenCommentCursor;
+	}
+
+	/**
+	 * Creates a base cursor instance that can be decorated by createCursor.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 * @param {boolean} includeComments The flag to iterate comments as well.
+	 * @returns {Cursor} The created base cursor.
+	 */
+	createBaseCursor(
+		tokens,
+		comments,
+		indexMap,
+		startLoc,
+		endLoc,
+		includeComments,
+	) {
+		const Cursor = includeComments
+			? this.TokenCommentCursor
+			: this.TokenCursor;
+
+		return new Cursor(tokens, comments, indexMap, startLoc, endLoc);
+	}
+
+	/**
+	 * Creates a cursor that iterates tokens with normalized options.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 * @param {boolean} includeComments The flag to iterate comments as well.
+	 * @param {Function|null} filter The predicate function to choose tokens.
+	 * @param {number} skip The count of tokens the cursor skips.
+	 * @param {number} count The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility.
+	 * @returns {Cursor} The created cursor.
+	 */
+	createCursor(
+		tokens,
+		comments,
+		indexMap,
+		startLoc,
+		endLoc,
+		includeComments,
+		filter,
+		skip,
+		count,
+	) {
+		let cursor = this.createBaseCursor(
+			tokens,
+			comments,
+			indexMap,
+			startLoc,
+			endLoc,
+			includeComments,
+		);
+
+		if (filter) {
+			cursor = new FilterCursor(cursor, filter);
+		}
+		if (skip >= 1) {
+			cursor = new SkipCursor(cursor, skip);
+		}
+		if (count >= 0) {
+			cursor = new LimitCursor(cursor, count);
+		}
+
+		return cursor;
+	}
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+module.exports = {
+	forward: new CursorFactory(ForwardTokenCursor, ForwardTokenCommentCursor),
+	backward: new CursorFactory(
+		BackwardTokenCursor,
+		BackwardTokenCommentCursor,
+	),
+};

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

@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Define the abstract class about cursors which manipulate another cursor.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The abstract class about cursors which manipulate another cursor.
+ */
+module.exports = class DecorativeCursor extends Cursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Cursor} cursor The cursor to be decorated.
+	 */
+	constructor(cursor) {
+		super();
+		this.cursor = cursor;
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		const retv = this.cursor.moveNext();
+
+		this.current = this.cursor.current;
+
+		return retv;
+	}
+};

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

@@ -0,0 +1,42 @@
+/**
+ * @fileoverview Define the cursor which ignores specified tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores specified tokens.
+ */
+module.exports = class FilterCursor extends DecorativeCursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Cursor} cursor The cursor to be decorated.
+	 * @param {Function} predicate The predicate function to decide tokens this cursor iterates.
+	 */
+	constructor(cursor, predicate) {
+		super(cursor);
+		this.predicate = predicate;
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		const predicate = this.predicate;
+
+		while (super.moveNext()) {
+			if (predicate(this.current)) {
+				return true;
+			}
+		}
+		return false;
+	}
+};

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

@@ -0,0 +1,65 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens and comments.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const { getFirstIndex, search } = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens and comments.
+ */
+module.exports = class ForwardTokenCommentCursor extends Cursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 */
+	constructor(tokens, comments, indexMap, startLoc, endLoc) {
+		super();
+		this.tokens = tokens;
+		this.comments = comments;
+		this.tokenIndex = getFirstIndex(tokens, indexMap, startLoc);
+		this.commentIndex = search(comments, startLoc);
+		this.border = endLoc;
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		const token =
+			this.tokenIndex < this.tokens.length
+				? this.tokens[this.tokenIndex]
+				: null;
+		const comment =
+			this.commentIndex < this.comments.length
+				? this.comments[this.commentIndex]
+				: null;
+
+		if (token && (!comment || token.range[0] < comment.range[0])) {
+			this.current = token;
+			this.tokenIndex += 1;
+		} else if (comment) {
+			this.current = comment;
+			this.commentIndex += 1;
+		} else {
+			this.current = null;
+		}
+
+		return (
+			Boolean(this.current) &&
+			(this.border === -1 || this.current.range[1] <= this.border)
+		);
+	}
+};

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

@@ -0,0 +1,62 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Cursor = require("./cursor");
+const { getFirstIndex, getLastIndex } = require("./utils");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only.
+ */
+module.exports = class ForwardTokenCursor extends Cursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 */
+	constructor(tokens, comments, indexMap, startLoc, endLoc) {
+		super();
+		this.tokens = tokens;
+		this.index = getFirstIndex(tokens, indexMap, startLoc);
+		this.indexEnd = getLastIndex(tokens, indexMap, endLoc);
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		if (this.index <= this.indexEnd) {
+			this.current = this.tokens[this.index];
+			this.index += 1;
+			return true;
+		}
+		return false;
+	}
+
+	/*
+	 *
+	 * Shorthand for performance.
+	 *
+	 */
+
+	/** @inheritdoc */
+	getOneToken() {
+		return this.index <= this.indexEnd ? this.tokens[this.index] : null;
+	}
+
+	/** @inheritdoc */
+	getAllTokens() {
+		return this.tokens.slice(this.index, this.indexEnd + 1);
+	}
+};

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

@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Define the cursor which limits the number of tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which limits the number of tokens.
+ */
+module.exports = class LimitCursor extends DecorativeCursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Cursor} cursor The cursor to be decorated.
+	 * @param {number} count The count of tokens this cursor iterates.
+	 */
+	constructor(cursor, count) {
+		super(cursor);
+		this.count = count;
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		if (this.count > 0) {
+			this.count -= 1;
+			return super.moveNext();
+		}
+		return false;
+	}
+};

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

@@ -0,0 +1,45 @@
+/**
+ * @fileoverview Define the cursor which iterates tokens only, with inflated range.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const ForwardTokenCursor = require("./forward-token-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The cursor which iterates tokens only, with inflated range.
+ * This is for the backward compatibility of padding options.
+ */
+module.exports = class PaddedTokenCursor extends ForwardTokenCursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Token[]} tokens The array of tokens.
+	 * @param {Comment[]} comments The array of comments.
+	 * @param {Object} indexMap The map from locations to indices in `tokens`.
+	 * @param {number} startLoc The start location of the iteration range.
+	 * @param {number} endLoc The end location of the iteration range.
+	 * @param {number} beforeCount The number of tokens this cursor iterates before start.
+	 * @param {number} afterCount The number of tokens this cursor iterates after end.
+	 */
+	constructor(
+		tokens,
+		comments,
+		indexMap,
+		startLoc,
+		endLoc,
+		beforeCount,
+		afterCount,
+	) {
+		super(tokens, comments, indexMap, startLoc, endLoc);
+		this.index = Math.max(0, this.index - beforeCount);
+		this.indexEnd = Math.min(tokens.length - 1, this.indexEnd + afterCount);
+	}
+};

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

@@ -0,0 +1,41 @@
+/**
+ * @fileoverview Define the cursor which ignores the first few tokens.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const DecorativeCursor = require("./decorative-cursor");
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * The decorative cursor which ignores the first few tokens.
+ */
+module.exports = class SkipCursor extends DecorativeCursor {
+	/**
+	 * Initializes this cursor.
+	 * @param {Cursor} cursor The cursor to be decorated.
+	 * @param {number} count The count of tokens this cursor skips.
+	 */
+	constructor(cursor, count) {
+		super(cursor);
+		this.count = count;
+	}
+
+	/** @inheritdoc */
+	moveNext() {
+		while (this.count > 0) {
+			this.count -= 1;
+			if (!super.moveNext()) {
+				return false;
+			}
+		}
+		return super.moveNext();
+	}
+};

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

@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Define utility functions for token store.
+ * @author Toru Nagashima
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+/**
+ * Finds the index of the first token which is after the given location.
+ * If it was not found, this returns `tokens.length`.
+ * @param {(Token|Comment)[]} tokens It searches the token in this list.
+ * @param {number} location The location to search.
+ * @returns {number} The found index or `tokens.length`.
+ */
+exports.search = function search(tokens, location) {
+	for (
+		let minIndex = 0, maxIndex = tokens.length - 1;
+		minIndex <= maxIndex;
+
+	) {
+		/*
+		 * Calculate the index in the middle between minIndex and maxIndex.
+		 * `| 0` is used to round a fractional value down to the nearest integer: this is similar to
+		 * using `Math.trunc()` or `Math.floor()`, but performance tests have shown this method to
+		 * be faster.
+		 */
+		const index = ((minIndex + maxIndex) / 2) | 0;
+		const token = tokens[index];
+		const tokenStartLocation = token.range[0];
+
+		if (location <= tokenStartLocation) {
+			if (index === minIndex) {
+				return index;
+			}
+			maxIndex = index;
+		} else {
+			minIndex = index + 1;
+		}
+	}
+	return tokens.length;
+};
+
+/**
+ * Gets the index of the `startLoc` in `tokens`.
+ * `startLoc` can be the value of `node.range[1]`, so this checks about `startLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} startLoc The location to get an index.
+ * @returns {number} The index.
+ */
+exports.getFirstIndex = function getFirstIndex(tokens, indexMap, startLoc) {
+	if (startLoc in indexMap) {
+		return indexMap[startLoc];
+	}
+	if (startLoc - 1 in indexMap) {
+		const index = indexMap[startLoc - 1];
+		const token = tokens[index];
+
+		// If the mapped index is out of bounds, the returned cursor index will point after the end of the tokens array.
+		if (!token) {
+			return tokens.length;
+		}
+
+		/*
+		 * For the map of "comment's location -> token's index", it points the next token of a comment.
+		 * In that case, +1 is unnecessary.
+		 */
+		if (token.range[0] >= startLoc) {
+			return index;
+		}
+		return index + 1;
+	}
+	return 0;
+};
+
+/**
+ * Gets the index of the `endLoc` in `tokens`.
+ * The information of end locations are recorded at `endLoc - 1` in `indexMap`, so this checks about `endLoc - 1` as well.
+ * @param {(Token|Comment)[]} tokens The tokens to find an index.
+ * @param {Object} indexMap The map from locations to indices.
+ * @param {number} endLoc The location to get an index.
+ * @returns {number} The index.
+ */
+exports.getLastIndex = function getLastIndex(tokens, indexMap, endLoc) {
+	if (endLoc in indexMap) {
+		return indexMap[endLoc] - 1;
+	}
+	if (endLoc - 1 in indexMap) {
+		const index = indexMap[endLoc - 1];
+		const token = tokens[index];
+
+		// If the mapped index is out of bounds, the returned cursor index will point before the end of the tokens array.
+		if (!token) {
+			return tokens.length - 1;
+		}
+
+		/*
+		 * For the map of "comment's location -> token's index", it points the next token of a comment.
+		 * In that case, -1 is necessary.
+		 */
+		if (token.range[1] > endLoc) {
+			return index - 1;
+		}
+		return index;
+	}
+	return tokens.length - 1;
+};

node_modules/eslint/lib/languages/js/validate-language-options.js

@@ -0,0 +1,196 @@
+/**
+ * @fileoverview The schema to validate language options
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//-----------------------------------------------------------------------------
+// Data
+//-----------------------------------------------------------------------------
+
+const globalVariablesValues = new Set([
+	true,
+	"true",
+	"writable",
+	"writeable",
+	false,
+	"false",
+	"readonly",
+	"readable",
+	null,
+	"off",
+]);
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Check if a value is a non-null object.
+ * @param {any} value The value to check.
+ * @returns {boolean} `true` if the value is a non-null object.
+ */
+function isNonNullObject(value) {
+	return typeof value === "object" && value !== null;
+}
+
+/**
+ * Check if a value is a non-null non-array object.
+ * @param {any} value The value to check.
+ * @returns {boolean} `true` if the value is a non-null non-array object.
+ */
+function isNonArrayObject(value) {
+	return isNonNullObject(value) && !Array.isArray(value);
+}
+
+/**
+ * Check if a value is undefined.
+ * @param {any} value The value to check.
+ * @returns {boolean} `true` if the value is undefined.
+ */
+function isUndefined(value) {
+	return typeof value === "undefined";
+}
+
+//-----------------------------------------------------------------------------
+// Schemas
+//-----------------------------------------------------------------------------
+
+/**
+ * Validates the ecmaVersion property.
+ * @param {string|number} ecmaVersion The value to check.
+ * @returns {void}
+ * @throws {TypeError} If the value is invalid.
+ */
+function validateEcmaVersion(ecmaVersion) {
+	if (isUndefined(ecmaVersion)) {
+		throw new TypeError(
+			'Key "ecmaVersion": Expected an "ecmaVersion" property.',
+		);
+	}
+
+	if (typeof ecmaVersion !== "number" && ecmaVersion !== "latest") {
+		throw new TypeError(
+			'Key "ecmaVersion": Expected a number or "latest".',
+		);
+	}
+}
+
+/**
+ * Validates the sourceType property.
+ * @param {string} sourceType The value to check.
+ * @returns {void}
+ * @throws {TypeError} If the value is invalid.
+ */
+function validateSourceType(sourceType) {
+	if (
+		typeof sourceType !== "string" ||
+		!/^(?:script|module|commonjs)$/u.test(sourceType)
+	) {
+		throw new TypeError(
+			'Key "sourceType": Expected "script", "module", or "commonjs".',
+		);
+	}
+}
+
+/**
+ * Validates the globals property.
+ * @param {Object} globals The value to check.
+ * @returns {void}
+ * @throws {TypeError} If the value is invalid.
+ */
+function validateGlobals(globals) {
+	if (!isNonArrayObject(globals)) {
+		throw new TypeError('Key "globals": Expected an object.');
+	}
+
+	for (const key of Object.keys(globals)) {
+		// avoid hairy edge case
+		if (key === "__proto__") {
+			continue;
+		}
+
+		if (key !== key.trim()) {
+			throw new TypeError(
+				`Key "globals": Global "${key}" has leading or trailing whitespace.`,
+			);
+		}
+
+		if (!globalVariablesValues.has(globals[key])) {
+			throw new TypeError(
+				`Key "globals": Key "${key}": Expected "readonly", "writable", or "off".`,
+			);
+		}
+	}
+}
+
+/**
+ * Validates the parser property.
+ * @param {Object} parser The value to check.
+ * @returns {void}
+ * @throws {TypeError} If the value is invalid.
+ */
+function validateParser(parser) {
+	if (
+		!parser ||
+		typeof parser !== "object" ||
+		(typeof parser.parse !== "function" &&
+			typeof parser.parseForESLint !== "function")
+	) {
+		throw new TypeError(
+			'Key "parser": Expected object with parse() or parseForESLint() method.',
+		);
+	}
+}
+
+/**
+ * Validates the language options.
+ * @param {Object} languageOptions The language options to validate.
+ * @returns {void}
+ * @throws {TypeError} If the language options are invalid.
+ */
+function validateLanguageOptions(languageOptions) {
+	if (!isNonArrayObject(languageOptions)) {
+		throw new TypeError("Expected an object.");
+	}
+
+	const {
+		ecmaVersion,
+		sourceType,
+		globals,
+		parser,
+		parserOptions,
+		...otherOptions
+	} = languageOptions;
+
+	if ("ecmaVersion" in languageOptions) {
+		validateEcmaVersion(ecmaVersion);
+	}
+
+	if ("sourceType" in languageOptions) {
+		validateSourceType(sourceType);
+	}
+
+	if ("globals" in languageOptions) {
+		validateGlobals(globals);
+	}
+
+	if ("parser" in languageOptions) {
+		validateParser(parser);
+	}
+
+	if ("parserOptions" in languageOptions) {
+		if (!isNonArrayObject(parserOptions)) {
+			throw new TypeError('Key "parserOptions": Expected an object.');
+		}
+	}
+
+	const otherOptionKeys = Object.keys(otherOptions);
+
+	if (otherOptionKeys.length > 0) {
+		throw new TypeError(`Unexpected key "${otherOptionKeys[0]}" found.`);
+	}
+}
+
+module.exports = { validateLanguageOptions };