Async middleware with TypeScript

hooks.ts

import { hooks, HookContext, NextFunction } from '@feathersjs/hooks';

const logRuntime = async (context: HookContext, next: NextFunction) => {
  const start = new Date().getTime();

  await next();

  const end = new Date().getTime();

  console.log(`Function '${context.method || '[no name]'}' returned '${context.result}' after ${end - start}ms`);
}

const validateName = async (context: HookContext, next: NextFunction) => {
  const [ name ] = context.arguments;

  if (!name || name.trim() === '') {
    throw new Error('Name is not valid');
  }

  // Always has to be called
  await next();
}

class Hello {
  @hooks([
    logRuntime,
    validateName
  ])
  async sayHi (name: string) {
    return `Hi ${name}`;
  }
}

(async () => {
  const hi = new Hello();

  console.log(await hi.sayHi('David'));
  // The following would throw an error
  // console.log(await hi.sayHi('  '));
})();