.eslintrc.json

{
	"env": {
		"browser": true,
		"es6": true,
		"commonjs": true
	  },
	"root": true,
	"parser": "babel-eslint",
	"extends": [
		"airbnb",
		"plugin:flowtype/recommended",
		"prettier",
		"prettier/react"
	],
	"plugins": ["react", "import", "flowtype", "flowtype-errors", "prettier"],
	"settings": {
		"import/resolver": {
			"babel-module": {}
		}
	},
	"rules": {
		"valid-jsdoc": [
			"error",
			{
				"prefer": {
					"arg": "param",
					"return": " returns"
				},
				"requireReturnType": false,
				"requireReturn": false
			}
		],
		"no-use-before-define": "off",
		"no-param-reassign": ["error", { "props": false }],
		"no-underscore-dangle": ["warn", { "allow": ["_id", "_rev", "_path"] }],
		"handle-callback-err": "error",
		"no-unused-vars": ["error", { "vars": "local", "args": "none" }],
		"no-unused-expressions": ["error", { "allowTernary": true }],
		"no-plusplus": ["error", { "allowForLoopAfterthoughts": true }],
		"import/no-extraneous-dependencies": [
			"error",
			{ "devDependencies": true }
		],
		"react/jsx-filename-extension": [
			"warn",
			{ "extensions": [".js", ".jsx"] }
		],
		"react/prop-types": "off",
		"react/no-unused-prop-types": "warn",
		"react/button-has-type": 0,
		"prettier/prettier": ["error", { "tabWidth": 4, "semi": false, "printWidth": 120 }],
		"flowtype-errors/show-errors": "error",
		"jsx-a11y/heading-has-content": "off",
		"jsx-a11y/anchor-is-valid": [
			"error",
			{
				"components": ["Link"],
				"specialLink": ["to"],
				"aspects": ["noHref", "invalidHref", "preferButton"]
			}
		]
	}
}