.eslintrc.json

{
	"extends": "eslint:recommended",
	"env": {
		"node": true,
		"es6": true
	},
	"globals": {
		"client": true,
		"system": true
	},
	"parserOptions": {
		"ecmaVersion": 2017
	},
	"rules": {
		"no-extra-parens": ["warn", "all", {
			"nestedBinaryExpressions": false
		}],
		"valid-jsdoc": ["warn", {
			"requireReturn": false,
			"requireReturnDescription": false,
			"preferType": {
				"String": "string",
				"Number": "number",
				"Boolean": "boolean",
				"Function": "function",
				"object": "Object",
				"date": "Date",
				"error": "Error"
			}
		}],

		"accessor-pairs": "warn",
		"array-callback-return": "error",
		"consistent-return": "error",
		"curly": ["error", "multi-line", "consistent"],
		"dot-location": ["error", "property"],
		"dot-notation": "error",
		"eqeqeq": "error",
		"no-empty-function": "error",
		"no-floating-decimal": "error",
		"no-implied-eval": "error",
		"no-invalid-this": "error",
		"no-lone-blocks": "error",
		"no-multi-spaces": "error",
		"no-new-func": "error",
		"no-new-wrappers": "error",
		"no-new": "error",
		"no-octal-escape": "error",
		"no-self-compare": "error",
		"no-sequences": "error",
		"no-throw-literal": "error",
		"no-unmodified-loop-condition": "error",
		"no-console": "off",
		"no-useless-call": "error",
		"no-useless-concat": "error",
		"no-useless-escape": "off",
		"no-void": "error",
		"no-warning-comments": "warn",
		"wrap-iife": "error",
		"yoda": "error",

		"no-label-var": "error",
		"no-shadow": "error",
		"no-undef-init": "error",

		"callback-return": "error",
		"handle-callback-err": "error",
		"no-mixed-requires": "error",
		"no-new-require": "error",
		"no-path-concat": "error",

		"array-bracket-spacing": "error",
		"block-spacing": "error",
		"brace-style": ["error", "1tbs", { "allowSingleLine": true }],
		"camelcase": "off",
		"comma-dangle": "error",
		"comma-spacing": "error",
		"comma-style": "error",
		"computed-property-spacing": "error",
		"consistent-this": "error",
		"eol-last": "error",
		"func-style": ["error", "declaration", { "allowArrowFunctions": true }],
		"id-length": ["error", { "exceptions": ["i", "j", "a", "b", "t", "r", "o", "c", "k"] }],
		"indent": ["error", "tab", { "SwitchCase": 1 }],
		"key-spacing": "error",
		"keyword-spacing": ["error", {
			"overrides": {
				"if": { "after": false },
				"for": { "after": false },
				"while": { "after": false },
				"catch": { "after": false },
				"switch": { "after": false }
			}
		}],
		"max-len": ["error", 200, 2],
		"max-nested-callbacks": ["error", { "max": 3 }],
		"max-statements-per-line": ["error", { "max": 2 }],
		"new-cap": "error",
		"no-array-constructor": "error",
		"no-lonely-if": "error",
		"no-mixed-operators": "error",
		"no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 1, "maxBOF": 0 }],
		"no-new-object": "error",
		"no-spaced-func": "error",
		"no-trailing-spaces": "error",
		"no-unneeded-ternary": "error",
		"no-whitespace-before-property": "error",
		"object-curly-newline": "error",
		"object-curly-spacing": ["error", "always"],
		"operator-assignment": "error",
		"operator-linebreak": ["error", "after"],
		"padded-blocks": ["error", "never"],
		"quotes": ["error", "double", { "allowTemplateLiterals": true, "avoidEscape": true }],
		"quote-props": ["error", "as-needed"],
		"semi-spacing": "error",
		"semi": "error",
		"space-before-blocks": "error",
		"space-in-parens": "error",
		"space-infix-ops": "error",
		"space-unary-ops": "error",
		"spaced-comment": "error",
		"unicode-bom": "error",

		"arrow-body-style": "error",
		"arrow-spacing": "error",
		"no-duplicate-imports": "error",
		"no-useless-computed-key": "error",
		"no-useless-constructor": "error",
		"prefer-arrow-callback": "error",
		"prefer-rest-params": "error",
		"prefer-spread": "error",
		"prefer-template": "error",
		"rest-spread-spacing": "error",
		"template-curly-spacing": "error",
		"yield-star-spacing": "error"
	}
}