Learn how to use route resolvers to fetch data before navigating to a route in Angular with Angular router. You'll implement a route resolver that gets data from the Hacker News API before navigating to a route that displays the gathered data.
Learn how to use route resolvers to fetch data before navigating to a route in Angular with Angular router.
One way for handling retrieving and displaying data from an API is to route a user to a component, and then in that component’s
ngOnInit hook call a method in a service to get the necessary data. While getting the data, perhaps the component can show a loading indicator.
There is another way to use what is known as a
route resolver, which allows you to get data before navigating to the new route.
One API that is available for use is the Hacker News API. Hacker News is a website for sharing links and discussing them. The API can be used to retrieve the most popular posts and display information about individual posts.
In this tutorial, you will implement a route resolver that gets data from the Hacker News API before navigating to a route that displays the gathered data.
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