.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "plugins": [
    "react"
  ],
  "env": {
    "browser": true,
    "node": true,
    "jest": true,
    "es6": true
  },
  "rules": {
    "eol-last": ["error", "always"],
    "object-curly-spacing": ["error", "always"],
    "array-bracket-spacing": ["error", "always"],
    "space-before-function-paren": ["error", "always"],
    "comma-dangle": ["error", "never"],
    "semi": ["error", "always"],
    "quotes": ["error", "single"],
    "no-case-declarations": "off",
    "react/prop-types": "off",
    "no-unused-vars": "off",
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 1 }],
    "no-trailing-spaces": "error"
  },
  "parserOptions": {
		"ecmaFeatures": {
			"jsx": true
		},
		"ecmaVersion": 11,
		"sourceType": "module"
	},
  "settings": {
    "react": {
      "pragma": "React",
      "version": "detect"
    }
  }
}