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ngx-deferred-loader

v0.0.2

Published

Defer displaying loading placeholders until given period of time passes ⏱

Downloads

13

Readme

ngx-deferred-loader

Defer displaying loading placeholders until given period of time passes ⏱

⚡️ DEMO on StackBlitz

What problem does it solve

It solves two very common problems of apps relying on async calls:

  • blinking loading placeholders in case of quick responses from back-end
  • lack of feedback in case of long running requests

Using ngx-loading-placeholder you can defer displaying loaders for given period of time.

How to

Start by installing it to your project:

npm install ngx-deferred-loader

Import required module into your Angular app:

import { DeferredLoaderModule } from 'ngx-deferred-loader';

@NgModule({
  ...
  imports: [
    DeferredLoaderModule
  ]
  ...
})
export class AppModule { }

Apply *deferredLoader directive to one of your loading placeholders, passing observable as an argument.

<p *deferredLoader="todoList$; waitMs:300">Please check your network connection...</p>
<ul>
    <li *ngFor="let todo of todoList$ | async">
        {{ todo.name }}
    </li>
</ul>

In above case the loading placeholder will be displayed only if request takes more than 300ms, and will be hidden once observable is completed.

Configuration

  • *deferredLoader - expects a parameter of type Observable<any>
  • waitMs (optional) - defines period of time after which the loading placeholder is displayed (default - 200ms)