.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  plugins: ["@typescript-eslint"],
  extends: ["plugin:@typescript-eslint/recommended"],
  rules: {
    "@typescript-eslint/indent": ["error", 2],
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        allowExpressions: true,
        allowTypedFunctionExpressions: true
      }
    ]
  }
};