angularjsHow do I use Angular Zone to run my code?
Angular Zone is a library that allows you to run your code inside a zone, which is a special context that allows you to detect when asynchronous tasks are running and when they are completed.
To use Angular Zone, you need to import it into your application.
import { NgZone } from '@angular/core';
Then, you can create a new zone instance and use it to run your code.
const zone = new NgZone({ enableLongStackTrace: false });
zone.run(() => {
// Your code here
});
The run()
method takes a function as a parameter and executes it in the zone context. Inside the function, you can write your own code, such as making an API call or updating a variable.
You can also use the runOutsideAngular()
method to run code outside of the zone context. This is useful if you need to run code that doesn't need to be tracked by the zone.
zone.runOutsideAngular(() => {
// Your code here
});
Finally, you can use the onStable
method to detect when all asynchronous tasks have been completed.
zone.onStable.subscribe(() => {
console.log('All asynchronous tasks have been completed');
});
Output example
All asynchronous tasks have been completed
Helpful links
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