.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2020: true,
    node: true,
  },
  extends: [
    "plugin:react/recommended",
    "airbnb",
    "prettier",
    "prettier/react",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
  ],
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 11,
    sourceType: "module",
  },
  plugins: ["react", "@typescript-eslint", "prettier"],
  rules: {
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        js: "never",
        jsx: "never",
        ts: "never",
        tsx: "never",
      },
    ],
    "react/jsx-filename-extension": [
      1,
      { extensions: [".js", ".jsx", ".ts", ".tsx"] },
    ],
    "react/react-in-jsx-scope": "off",
    "import/prefer-default-export": "off",
    "react/static-property-placement": "off",
    "react/prefer-stateless-function": "off",
  },
  settings: {
    "import/resolver": {
      node: {
        extensions: [".js", ".jsx", ".ts", ".tsx"],
      },
    },
  },
};