.eslintrc

{
  "root": true,
  "env": {
    "node": true,
    "browser": true
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "extends": [
    "plugin:react/recommended",
    "eslint:recommended",
    "standard"
  ],
  "rules": {
    "no-var": "off",
    "semi": [
      "error",
      "always"
    ],
    "padded-blocks": 0,
    "arrow-parens": [
      "error",
      "as-needed"
    ],
    "curly": [
      "error",
      "multi-line"
    ],
    "no-restricted-globals": [
      "error",
      {
        "name": "event",
        "message": "Listener function's event parameter is missing."
      }
    ],
    "no-console": [
      "error",
      {
        "allow": [
          "warn",
          "error"
        ]
      }
    ],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "always",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "react/jsx-filename-extension": [
      "error"
    ]
  },
  "overrides": [
    {
      "files": [
        "*.test.js"
      ],
      "env": {
        "mocha": true
      }
    },
    {
      "files": [
        "**/*.jsx"
      ],
      "rules": {
        "react/prop-types": "off",
        "react/jsx-curly-brace-presence": [
          "error",
          "never"
        ],
        "react/self-closing-comp": [
          "error",
          {
            "html": false,
            "component": true
          }
        ],
        "react/style-prop-object": [
          "error"
        ],
        "react/no-this-in-sfc": [
          "error"
        ]
      }
    },
    {
      "files": [
        "**/*.html"
      ],
      "plugins": [
        "eslint-plugin-html"
      ]
    }
  ]
}