.eslintrc.json

{
	"parser": "@typescript-eslint/parser",
	"plugins": [
	  "@typescript-eslint"
	],
	"env": {
		"browser": true,
		"es6": true
	},
	"extends": [
		"eslint:recommended",
		"plugin:@typescript-eslint/eslint-recommended",
		"plugin:@typescript-eslint/recommended"
	],
	"globals": {
		"Atomics": "readonly",
		"SharedArrayBuffer": "readonly"
	},
	"parserOptions": {
		"ecmaVersion": 2018,
		"sourceType": "module"
	},
	"rules": {
		"@typescript-eslint/no-use-before-define": "off",
		"@typescript-eslint/no-unused-vars": ["warn", {
			"argsIgnorePattern": "^_"
		}],
		"@typescript-eslint/no-var-requires": ["off"],
		"@typescript-eslint/no-non-null-assertion": ["off"],
		"@typescript-eslint/type-annotation-spacing": ["error", { "after": true }],
		"max-len": ["warn", {
			"code": 120, 
			"tabWidth": 4, 
			"ignoreUrls": true, 
			"ignorePattern": "^import|^export"
		}],
		"semi": ["error"],
		"eqeqeq": ["warn", "smart"],
		"space-infix-ops": ["warn"],
		"space-in-parens": ["error", "always"],
		"object-curly-spacing": ["error", "always"],
		"array-bracket-spacing": ["error", "always"],
		"key-spacing": ["error", { "afterColon": true }],
		"no-irregular-whitespace": ["warn"],
		"comma-spacing": ["warn"]
	},
	"ignorePatterns": ["**/*.js"]
}