.eslintrc

{
  "extends": ["eslint-config-airbnb", "eslint-config-prettier"],
  "plugins": ["eslint-plugin-prettier"],
  "parser": "babel-eslint",
  "env": {
    "jest": true,
    "browser": true
  },
  "rules": {
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": ["**/*.*"]
      }
    ], // we use devDependencies
    "no-console": "off", // Console logs are too useful and are removed in prod anyway
    "no-underscore-dangle": "off", // It's classic pattern to denote private props.
    "react/prop-types": "off", // We're using flow instead
    "react/jsx-filename-extension": "off", // We're using .js for jsx files
    "prettier/prettier": [
      "error",
      {
        "printWidth": 80, // Easy to read
        "semi": false, // Almost always unecessary
        "singleQuote": true, // Easy to read
        "trailingComma": "es5" // Helps simplify diffs
      }
    ]
  }
}