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TypeScript Microservices
book

TypeScript Microservices

by Parth Ghiya
May 2018
Intermediate to advanced
404 pages
11h 51m
English
Packt Publishing
Content preview from TypeScript Microservices

Async/await

As JavaScript is asynchronous in nature, it becomes very difficult to maintain the execution of tasks once a process is completed. What once started with callbacks soon turned to promises, async module, generators and yield, and async and await. Let's start with async/await 101:

  • Async/await is one of the modern ways to write asynchronous code
  • Built on top of promises, it cannot be used with plain callbacks or Node promises
  • Async/await is non-blocking code even though it appears synchronous, which is its main power
  • Based on node-fibers, it is lightweight and is TypeScript friendly as typings are embedded

Let's now see a practical implementation of async/await. What once started as huge callback hell and nested chains of .then() ...

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Publisher Resources

ISBN: 9781788830751