@angular/core

ExperimentalPendingTasks

Class

Experimental

Experimental service that keeps track of pending tasks contributing to the stableness of Angular application. While several existing Angular services (ex.: HttpClient) will internally manage tasks influencing stability, this API gives control over stability to library and application developers for specific cases not covered by Angular internals.

  
    class ExperimentalPendingTasks {}

Experimental service that keeps track of pending tasks contributing to the stableness of Angular application. While several existing Angular services (ex.: HttpClient) will internally manage tasks influencing stability, this API gives control over stability to library and application developers for specific cases not covered by Angular internals.

The concept of stability comes into play in several important scenarios:

SSR process needs to wait for the application stability before serializing and sending rendered HTML;
tests might want to delay assertions until the application becomes stable;

          const pendingTasks = inject(ExperimentalPendingTasks);const taskCleanup = pendingTasks.add();// do work that should block application's stability and then:taskCleanup();

This API is experimental. Neither the shape, nor the underlying behavior is stable and can change in patch versions. We will iterate on the exact API based on the feedback and our understanding of the problem and solution space.

add

() => void

Adds a new task that should block application's stability.

@returns() => void