.eslintrc.js

module.exports = {
	root: true, // Don't look outside this project for inherited configs
	parser: "@typescript-eslint/parser", // Specifies the ESLint parser
	parserOptions: {
		ecmaVersion: 2020, // Allows for the parsing of modern ECMAScript features
		sourceType: "module", // Allows for the use of imports
		project: "./tsconfig.json",
	},
	extends: [
		"plugin:@typescript-eslint/recommended", // Uses the recommended rules from the @typescript-eslint/eslint-plugin
	],
	plugins: [],
	rules: {
		indent: "off",
		"@typescript-eslint/indent": [
			"error",
			"tab",
			{
				SwitchCase: 1,
			},
		],
		quotes: [
			"error",
			"double",
			{
				avoidEscape: true,
				allowTemplateLiterals: true,
			},
		],
		"@typescript-eslint/no-parameter-properties": "off",
		"@typescript-eslint/no-explicit-any": "off",
		"@typescript-eslint/no-use-before-define": [
			"error",
			{
				functions: false,
				typedefs: false,
				classes: false,
			},
		],
		"@typescript-eslint/no-unused-vars": [
			"error",
			{
				ignoreRestSiblings: true,
				argsIgnorePattern: "^_",
			},
		],
		"@typescript-eslint/explicit-function-return-type": [
			"warn",
			{
				allowExpressions: true,
				allowTypedFunctionExpressions: true,
			},
		],
		"@typescript-eslint/no-object-literal-type-assertion": "off",
		"@typescript-eslint/interface-name-prefix": "off",
		"@typescript-eslint/no-non-null-assertion": "off", // This is necessary for Map.has()/get()!
		"no-var": "error",
		"prefer-const": "error",
		"no-trailing-spaces": "error",
	},
	overrides: [
		{
			files: ["*.test.ts"],
			rules: {
				"@typescript-eslint/explicit-function-return-type": "off",
			},
		},
	],
};