.eslintrc.json

{
	"env": {
		"browser": false,
		"es6": true,
		"node": true
	},
	"extends": [
		"eslint:recommended"
	],
	"root": true,
	"rules": {
		"arrow-spacing": [
			"error",
			{
				"after": true,
				"before": true
			}
		],
		"comma-spacing": [
			"error",
			{
				"after": true,
				"before": false
			}
		],
		"comma-dangle": [
			"error",
			"always-multiline"
		],
		"eqeqeq": [
			"error",
			"smart"
		],
		"indent": [
			"error",
			"tab",
			{
				"SwitchCase": 1
			}
		],
		"key-spacing": [
			"error"
		],
		"keyword-spacing": [
			"error"
		],
		"no-var": [
			"error"
		],
		"no-console": [
			"error",
			{
				"allow": [
					"warn",
					"error"
				]
			}
		],
		"prefer-const": [
			"error"
		],
		"quotes": [
			"error",
			"single"
		],
		"semi": [
			"error"
		],
		"space-before-function-paren": [
			"error"
		],
		"space-before-blocks": [
			"error"
		],
		"space-infix-ops": [
			"error"
		],
		"spaced-comment": [
			"error",
			"always"
		],
		"strict": [
			"error",
			"safe"
		],
		"valid-jsdoc": [
			"warn",
			{
				"requireReturn": false
			}
		]
	}
}