eslint.config.js

import { defineConfig, globalIgnores } from "eslint/config";
import eslintConfigESLint from "eslint-config-eslint";
import eslintPluginChaiFriendly from "eslint-plugin-chai-friendly";
import * as expectType from "eslint-plugin-expect-type";
import globals from "globals";
import tsParser from "@typescript-eslint/parser";

export default defineConfig([
	globalIgnores([
		"**/tests/fixtures/",
		"**/dist/",
		"**/coverage/",
		"packages/espree/tools/create-test-example.js",
	]),
	{
		files: ["**/*.{,c}js"],
		extends: [eslintConfigESLint],
	},
	{
		files: ["packages/*/tests/**/*.test.{,c}js"],
		languageOptions: {
			globals: {
				...globals.mocha,
			},
		},
	},
	{
		files: ["packages/eslint-scope/tests/**/*.{,c}js"],
		plugins: {
			"chai-friendly": eslintPluginChaiFriendly,
		},
		rules: {
			"no-unused-expressions": "off",
			"chai-friendly/no-unused-expressions": "error",
		},
	},
	{
		files: ["packages/eslint-scope/lib/**"],
		rules: {
			"no-underscore-dangle": "off",
		},
	},
	{
		files: ["packages/eslint-scope/Makefile.js"],
		languageOptions: {
			globals: {
				...globals.shelljs,
				target: false,
			},
		},
		rules: {
			"no-console": "off",
		},
	},
	{
		files: ["packages/eslint-scope/**"],
		linterOptions: {
			reportUnusedDisableDirectives: "error",
		},
		settings: {
			jsdoc: {
				preferredTypes: {
					Object: "object",
					"object<>": "Object",
				},
			},
		},
	},
	{
		files: ["packages/eslint-scope/tests/types/*.{,c}ts"],
		languageOptions: {
			parser: tsParser,
			parserOptions: {
				project: ["packages/eslint-scope/tests/types/tsconfig.json"],
			},
		},
		plugins: {
			"expect-type": expectType,
		},
		rules: {
			"expect-type/expect": "error",
		},
	},
	{
		files: ["**/tools/**"],
		rules: {
			"no-console": "off",
			"n/no-process-exit": "off",
		},
	},
]);