Refined uiImageLoader

Author: gnu4cn

src/app/book/directives/ui-image-loader.directive.ts

@@ -9,8 +9,8 @@ import {
     selector: '[uiImageLoader]'
 })
 export class UiImageLoaderDirective {
+    private loader = 'assets/images/loader.svg';
     constructor(
-        @Attribute('loader') public loader: string,
         @Attribute('onErrorSrc') public onErrorSrc: string,
         private renderer: Renderer2,
         private el: ElementRef) {

src/app/home/components/book-list.component.html

@@ -15,7 +15,6 @@
                     <img mat-card-avatar 
                            uiImageLoader
                            onErrorSrc="assets/images/avatar.png"
-                           loader="assets/images/loader.gif"
                            [src]="book.isFromMainstreamPlatform ? book.writer.avatarUrl : 'assets/images/avatar.png'" 
                            />
                     <mat-card-title>{{book.writer.fullName}}</mat-card-title>