.eslintrc.js

module.exports = {
	"env": {
		"browser": true,
		"es6": true
	},
	"extends": ["eslint:recommended", "plugin:react/recommended"],
	"parser": "babel-eslint",
	"parserOptions": {
		"ecmaVersion": 2018,
		"ecmaFeatures": {
			"jsx": true
		},
		"sourceType": "module"
	},
	"plugins": [
		"react"
	],
	"rules": {
		"array-bracket-newline": ["error", "consistent"],
		"array-bracket-spacing": ["error", "never"],
		"array-element-newline": ["error", "consistent"],
		"arrow-body-style": ["error", "as-needed"],
		"arrow-parens": ["error", "as-needed"],
		"arrow-spacing": "error",
		"block-spacing": "error",
		"brace-style": ["error", "1tbs", { "allowSingleLine": true }],
		"camelcase": "error",
		"comma-dangle": ["error", "never"],
		"comma-spacing": ["error", { "before": false, "after": true }],
		"comma-style": ["error", "last"],
		"computed-property-spacing": ["error", "never"],
		"curly": "error",
		"dot-location": ["error", "property"],
		"eol-last": ["error", "never"],
		"func-call-spacing": ["error", "never"],
		"func-names": ["error", "always"],
		"func-style": ["error", "declaration"],
		"function-paren-newline": ["error", "consistent"],
		"indent": [
			"error",
			"tab",
			{ "SwitchCase": 1 }
		],
		"jsx-quotes": ["error", "prefer-double"],
		"key-spacing": ["error", { "mode": "strict" }],
		"keyword-spacing": "error",
		"lines-between-class-members": ["error", "always"],
		"no-array-constructor": "error",
		"no-bitwise": "error",
		"no-class-assign": 0,
		"no-duplicate-imports": "error",
		"no-lonely-if": "error",
		"no-multi-assign": "error",
		"no-multiple-empty-lines": "error",
		"no-multi-spaces": ["error", { "exceptions": { "Property": false  } }],
		"no-trailing-spaces": "error",
		"no-unneeded-ternary": ["error", { "defaultAssignment": false }],
		"no-useless-computed-key": "error",
		"no-useless-constructor": "error",
		"no-useless-rename": "error",
		"no-var": "error",
		"no-whitespace-before-property": "error",
		"object-curly-newline": ["error", { "consistent": true }],
		"object-curly-spacing": ["error", "always"],
		"operator-linebreak": ["error", "before"],
		"padded-blocks": ["error", "never"],
		"prefer-arrow-callback": "error",
		"prefer-rest-params": "error",
		"prefer-spread": "error",
		"prefer-template": "error",
		"quotes": ["error", "single"],
		"react/default-props-match-prop-types": ["error", { "allowRequiredDefaults": true }],
		"react/jsx-boolean-value": "error",
		"react/jsx-closing-bracket-location": ["error", "after-props"],
		"react/jsx-closing-tag-location": "error",
		"react/jsx-curly-spacing": "error",
		"react/jsx-equals-spacing": "error",
		"react/jsx-first-prop-new-line": ["error", "multiline"],
		"react/jsx-handler-names": "error",
		"react/jsx-indent": ["error", "tab"],
		"react/jsx-indent-props": ["error", "tab"],
		"react/jsx-no-bind": "error",
		"react/jsx-curly-brace-presence": "error",
		"react/jsx-pascal-case": "error",
		"react/jsx-props-no-multi-spaces": "error",
		"react/jsx-tag-spacing": ["error", { "beforeSelfClosing": "never", "beforeClosing": "never" }],
		"react/no-access-state-in-setstate": "error",
		"react/no-typos": "error",
		"react/no-unused-prop-types": "error",
		"react/no-unused-state": "error",
		"react/prefer-es6-class": "error",
		"react/self-closing-comp": "error",
		"react/sort-comp": "error",
		"react/style-prop-object": "error",
		"rest-spread-spacing": ["error", "never"],
		"semi": ["error", "always"],
		"semi-spacing": "error",
		"semi-style": ["error", "last"],
		"space-before-blocks": "error",
		"space-before-function-paren": ["error", "never"],
		"space-in-parens": ["error", "never"],
		"space-infix-ops": "error",
		"switch-colon-spacing": "error",
		"template-curly-spacing": "error"
	},
	"settings": {
		"react": {
			"version": "16.8",
		}
	}
};