ESLint setup for react, jsx, es2018, class properties, etc...

.eslintrc.json

{
  "parser": "babel-eslint",
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "eslint-config-prettier"
  ],
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "ecmaFeatures": {
        "jsx": true,
        "impliedStrict": true
    }
  },
  "env": {
    "es6": true,
    "browser": true,
    "commonjs": true
  },
  "rules": {
    "no-console": 0,
    "no-debugger": "warn",
    "babel/new-cap": 1,
    "babel/no-invalid-this": 1,
    "babel/object-curly-spacing": 1,
    "babel/quotes": 1,
    "babel/semi": 1,
    "babel/no-unused-expressions": 1
  },
  "plugins": [
    "babel"
  ]
}