eslint.config.js

export default [
	{
		files: ["**/*.js"],
		languageOptions: {
			parserOptions: {
				ecmaFeatures: { modules: true },
				ecmaVersion: "latest",
			},
		},
		rules: {
			// Biome complexity
			"no-extra-boolean-cast": "error",
			"no-regex-spaces": "error",
			"no-useless-catch": "error",
			"no-useless-constructor": "error",
			"no-extra-label": "error",
			"no-useless-rename": "error",
			"no-void": "error",
			"no-with": "error",
			"prefer-arrow-callback": "error",
			"dot-notation": "error",
			"prefer-regex-literals": "error",

			// Biome correctness
			"no-const-assign": "error",
			"no-constant-condition": "error",
			"no-constructor-return": "error",
			"no-empty-character-class": "error",
			"no-empty-pattern": "error",
			"no-obj-calls": "error",
			"no-inner-declarations": "error",
			"constructor-super": "error",
			"no-new-native-nonconstructor": "error",
			"no-new-symbol": "error",
			"no-use-before-define": "error",
			"no-loss-of-precision": "error",
			"no-self-assign": "error",
			"no-setter-return": "error",
			"no-case-declarations": "error",
			"no-undef": "error",
			"no-unreachable": "error",
			"no-this-before-super": "error",
			"no-unsafe-finally": "error",
			"no-unsafe-optional-chaining": "error",
			"no-unused-labels": "error",
			"no-unused-private-class-members": "error",
			"no-unused-vars": "error",
			"no-array-constructor": "error",
			"use-isnan": "error",
			"for-direction": "error",
			"require-yield": "error",

			// Biome security
			"no-eval": "error",

			// Biome style
			"prefer-rest-params": "error",
			"no-sequences": "error",
			"no-param-reassign": "error",
			"no-var": "error",
			"prefer-const": "error",
			"no-lonely-if": "error",
			"default-param-last": "error",
			"prefer-exponentiation-operator": "error",
			"prefer-numeric-literals": "error",
			"one-var": "error",
			"prefer-template": "error",

			// Biome suspicious
			"no-async-promise-executor": "error",
			"no-cond-assign": "error",
			"no-ex-assign": "error",
			"no-class-assign": "error",
			"no-compare-neg-zero": "error",
			"no-labels": "error",
			"no-control-regex": "error",
			"no-debugger": "error",
			eqeqeq: "error",
			"no-duplicate-case": "error",
			"no-dupe-class-members": "error",
			"no-dupe-keys": "error",
			"no-dupe-args": "error",
			"no-empty": "error",
			"no-empty-static-block": "error",
			"no-empty-function": "error",
			"no-fallthrough": "error",
			"no-func-assign": "error",
			"no-global-assign": "error",
			"no-import-assign": "error",
			"no-label-var": "error",
			"no-misleading-character-class": "error",
			"no-prototype-builtins": "error",
			"no-redeclare": "error",
			"no-self-compare": "error",
			"no-shadow-restricted-names": "error",
			"no-sparse-arrays": "error",
			"no-unsafe-negation": "error",
			"require-await": "error",
			"default-case-last": "error",
			"getter-return": "error",
			"valid-typeof": "error",
		},
	},
];