.eslintrc.json

{
	"parser": "@typescript-eslint/parser",
	"parserOptions": {
		"project": "tsconfig.json"
	},
	"env": {
		"es6": true
	},
	"plugins": ["@typescript-eslint", "functional"],
	"extends": [
		"eslint:recommended",
		"plugin:@typescript-eslint/eslint-recommended",
		"plugin:@typescript-eslint/recommended",
		"plugin:functional/all",
		"prettier"
	],
	"overrides": [
		{
			"files": ["**/*.ts"],
			"rules": {
				"functional/prefer-immutable-types": "off",
				"functional/functional-parameters": "off"
			}
		},
		{
			"files": ["**/*.test.ts"],
			"rules": {
				"functional/no-expression-statement": "off",
				"functional/functional-parameters": "off",
				"@typescript-eslint/no-explicit-any": "off",
				"functional/no-return-void": "off",
				"@typescript-eslint/prefer-readonly-parameter-types": "off",
				"functional/no-promise-reject": "off",
				"functional/no-expression-statements": "off"
			}
		},
		{
			"files": ["rollup.*.js"],
			"rules": {
				"functional/prefer-immutable-types": "off",
				"functional/no-conditional-statements": "off"
			}
		}
	]
}