.eslintrc.js

module.exports = {
  root: true,
  extends: ["@react-native-community", "airbnb", "prettier", "prettier/react"],
  settings: {
    "import/resolver": {
      node: {
        extensions: [".js", ".android.js", ".ios.js"],
      },
    },
  },
  plugins: ["prettier", "detox"],
  rules: {
    "no-console": [
      "error",
      {
        allow: ["warn", "error"],
      },
    ],
    "no-unused-vars": [
      "error",
      {
        argsIgnorePattern: "^_",
        vars: "all",
        args: "after-used",
        ignoreRestSiblings: true,
      },
    ],
    "lines-between-class-members": 0,
    "flowtype/space-after-type-colon": 0,
    "no-continue": 0,
    "no-control-regex": 0,
    "no-return-assign": 0,
    "no-shadow": 0,
    "prefer-template": 0,
    "no-unused-expressions": 0,
    "no-plusplus": 0,
    "no-nested-ternary": 0,
    "global-require": 0,
    "no-restricted-globals": 0,
    "no-restricted-syntax": 0,
    "import/extensions": 0,
    "import/no-mutable-exports": 0,
    "import/prefer-default-export": 0,
    "no-use-before-define": 0,
    "react/sort-comp": 0,
    "react/jsx-boolean-value": 0,
    "react/prefer-stateless-function": 0,
    "react/jsx-filename-extension": 0,
    "react/no-multi-comp": 0,
    "react/no-unused-state": 0,
    "react/no-array-index-key": 0,
    "no-await-in-loop": 0,
    "class-methods-use-this": 0,
    "react/no-unused-prop-types": 0,
    "react/require-default-props": 0,
    "prefer-destructuring": 0,
    "react/destructuring-assignment": 0,
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "warn",
    // for importing detox
    "import/no-extraneous-dependencies": [
      "error",
      { devDependencies: ["e2e/**"] },
    ],

    // New rules from default RN 0.61 ruleset
    // that were triggered in our codebase

    // The following are probably intentional (from my own guesstimate)
    "max-classes-per-file": 0,
    "react/jsx-curly-brace-presence": 0,
    "react/jsx-props-no-spreading": 0,
    "react/state-in-constructor": 0,
    "react/static-property-placement": 0,
    "react/default-props-match-prop-types": 0,

    // These ones are good practice we could switch to, so warn only
    "eslint-comments/no-unlimited-disable": "warn",
    "eslint-comments/no-unused-disable": "warn",
    "react-native/no-inline-styles": "warn",
    "react/jsx-fragments": "warn",
    "react/no-deprecated": "warn",
    "prettier/prettier": "error",
  },
  globals: {
    __DEV__: false,
    __REDUX_DEVTOOLS_EXTENSION__: false,
    fetch: false,
    it: false,
    expect: false,
  },
};