.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
    node: true,
  },
  extends: [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "react-app",
    "react-app/jest",
  ],
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: "module",
  },
  plugins: ["react", "@typescript-eslint"],
  rules: {
    "react/jsx-uses-react": "off", // https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html#eslint
    "react/react-in-jsx-scope": "off", // https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html#eslint,
    "react/no-unescaped-entities": "off", // favouring readability of characters instead https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-unescaped-entities.md
  },
};