.eslintrc.json

{
	"root": true,
	"parser": "babel-eslint",
    "env": {
        "browser": true,
        "node": true
    },
    "extends": [
		"airbnb",
		"plugin:flowtype/recommended",
		"prettier"
    ],
    "plugins": [
		"react",
		"import",
		"flowtype",
		"flowtype-errors",
        "prettier"
    ],
	"settings": {
		"import/resolver": {
			"babel/module": {}
		}
	},
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": 12,
        "sourceType": "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,
		//
		"quotes": ["error", "double"],
		"semi": [2, "never"],
		// "prettier/prettier": ["error", {
		// 	"tabWidth": 4, "semi": false, "printWidth": 120,
		// 	"doubleQuote": true
		// }],
		"prettier/prettier": ["error", {
			"tabWidth": 4, "semi": false, "printWidth": 120,
			"singleQuote": false, "trailingComma": "es5",
			"comma-dangle": "always"
		}],
		"react/jsx-indent": ["error", 4],
		"flowtype-errors/show-errors": "error",
		"flowtype": 2,
		"jsx-a11y/heading-has-content": "off",
		"jsx-a11y/anchor-is-valid": [
			"error",
			{
				"components": ["Link"],
				"specialLink": ["to"],
				"aspects": ["noHref", "invalidHref", "preferButton"]
			}
		],
		"jsx-a11y/alt-text": "off",
		"prefer-destructuring": "off",
		"react/no-did-mount-set-state": "off",
		"react/sort-comp": "off",
		"no-console": "off"
	}
}