.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  env: {
    browser: true,
    "jest/globals": true
  },
  plugins: ["@typescript-eslint", "jest", "prettier"],
  extends: [
    "airbnb",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/typescript",
    "plugin:prettier/recommended",
    "prettier/@typescript-eslint"
  ],
  rules: {
    /**
     * @description rules of eslint official
     */
    /**
     * @bug https://github.com/benmosher/eslint-plugin-import/issues/1282
     * "import/named" temporary disable.
     */
    "import/named": "off",
    /**
     * @bug?
     * "import/export" temporary disable.
     */
    "import/export": "off",
    "import/prefer-default-export": "off", // Allow single Named-export
    "no-unused-expressions": [
      "warn",
      {
        allowShortCircuit: true,
        allowTernary: true
      }
    ], // https://eslint.org/docs/rules/no-unused-expressions

    /**
     * @description rules of @typescript-eslint
     */
    "@typescript-eslint/prefer-interface": "off", // also want to use "type"
    "@typescript-eslint/explicit-function-return-type": "off", // annoying to force return type

    /**
     * @description rules of eslint-plugin-prettier
     */
    "prettier/prettier": [
      "error",
      {
        singleQuote: true,
        printWidth: 100
      }
    ]
  }
};