.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "plugins": [
    "@typescript-eslint",
    "react-native", // for no-inline-styles rule
  ],
  "extends": [
    "standard",
    "standard-react",
    "standard-jsx",
    "plugin:react-hooks/recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "@react-native",
    "plugin:prettier/recommended" // removes all eslint rules that can mess up with prettier
  ],
  "rules": {
    "react/jsx-handler-names": "off", // activated by standard-react config
    "react/display-name": "off",
    "react-native/no-inline-styles": "error",
    "react-native/no-unused-styles": "error",
    "react/no-is-mounted": "off",
    "react-native/no-single-element-style-arrays": "error",
    "prettier/prettier": [
      "warn",
      {
        "singleQuote": true,
        "printWidth": 140,
        "trailingComma": "all",
        "arrowParens": "avoid"
      }
    ],
    "@typescript-eslint/no-empty-function": "off", // used often in the codebase, useful e.g. in testing
    "@typescript-eslint/ban-ts-comment": [
      "error",
      {
        "ts-expect-error": "allow-with-description",
        "ts-ignore": "allow-with-description", // temporary allow to ease the migration
        "ts-nocheck": true,
        "ts-check": false
      }
    ],
    "@typescript-eslint/no-unused-vars": ["error", { "args": "none" }],

    // disable rules that are superseded by @typescript-eslint rules
    "no-unused-vars": "off",
    "no-use-before-define": "off",

    // disable rules that we want to enforce only for typescript files
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/no-var-requires": "off",
    "@typescript-eslint/no-this-alias": "off",
    "@typescript-eslint/no-use-before-define": "off",
  },
  "overrides": [
    {
      // enable the rule specifically for TypeScript files
      "files": ["*.ts", "*.tsx"],
      "rules": {
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-this-alias": "off",
        "@typescript-eslint/no-var-requires": "off",
        "@typescript-eslint/no-inferrable-types": "off",
        "@typescript-eslint/no-use-before-define": ["error", { "variables": false }]
      }
    }
  ],
  "env": {
    "es6": true
  },
  "globals": { "fetch": false },
  "settings": {
    "react": { // this is for eslint-plugin-react
      "version": "detect" // React version. "detect" automatically picks the version you have installed.
    }
  }
}