Commits on Nov 22, 2022

1. feat(component): clear LetDirective view when replaced observable i… …

   …s in suspense state
   
   BREAKING CHANGES:
   
   The `LetDirective` view will be cleared when the replaced observable is in a suspense state. Also, the `suspense` property is removed from the `LetViewContext` because it would always be `false` when the `LetDirective` view is rendered. Instead of `suspense` property, use the suspense template to handle the suspense state.
   
   BEFORE:
   
   The `LetDirective` view will not be cleared when the replaced observable is in a suspense state and the suspense template is not passed:
   
   ```ts
   @component({
     template: `
       <!-- When button is clicked, the 'LetDirective' view won't be cleared. -->
       <!-- Instead, the value of 'o' will be 'undefined' until the replaced -->
       <!-- observable emits the first value (after 1 second). -->
       <p *ngrxLet="obs$ as o">{{ o }}</p>
       <button (click)="replaceObs()">Replace Observable</button>
     `
   })
   export class TestComponent {
     obs$ = of(1);
   
     replaceObs(): void {
       this.obs$ = of(2).pipe(delay(1000));
     }
   }
   ```
   
   AFTER:
   
   The `LetDirective` view will be cleared when the replaced observable is in a suspense state and the suspense template is not passed:
   
   ```ts
   @component({
     template: `
       <!-- When button is clicked, the 'LetDirective' view will be cleared. -->
       <!-- The view will be created again when the replaced observable -->
       <!-- emits the first value (after 1 second). -->
       <p *ngrxLet="obs$ as o">{{ o }}</p>
       <button (click)="replaceObs()">Replace Observable</button>
     `
   })
   export class TestComponent {
     obs$ = of(1);
   
     replaceObs(): void {
       this.obs$ = of(2).pipe(delay(1000));
     }
   }
   ```

   

   markostanimirovic committed Nov 22, 2022
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