.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: "module",
    project: "./tsconfig.json",
    ecmaFeatures: {
      jsx: true,
    },
  },
  env: {
    browser: true,
    es6: true,
  },
  plugins: ["@typescript-eslint", "react-hooks"],
  extends: [
    "react-app",
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
    "plugin:prettier/recommended",
    "plugin:react/recommended",
    "plugin:jsx-a11y/recommended",
  ],
  rules: {
    // Not needed, see https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/typedef.md#when-not-to-use-it
    "@typescript-eslint/typedef": "off",
    "import/no-default-export": "error",
    "import/no-unresolved": "off",
    // Fixes this warning for TS, https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unused-vars.md
    "no-unused-vars": "off",
    // https://github.com/typescript-eslint/typescript-eslint/blob/master/docs/getting-started/linting/FAQ.md#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
    "no-undef": "off",
    "@typescript-eslint/no-unused-vars": ["error"],
    "react-hooks/rules-of-hooks": "error",
    "react-hooks/exhaustive-deps": "warn",
    "react/jsx-filename-extension": "off",
    "react/prop-types": "off",
    "react/react-in-jsx-scope": "off",
  },
  overrides: [
    {
      files: ["**/*.ts", "**/*.tsx"],
      settings: {
        "import/parsers": {
          "@typescript-eslint/parser": [".ts", ".tsx"],
        },
      },
    },
  ],
  settings: {
    react: {
      version: "detect",
    },
  },
};