Simplified code

Author: chrisn

src/app/app.component.html

@@ -26,6 +26,6 @@ <h3>Select audio</h3>
     (pointsEmitter)="updatePoints($event)">
   </waveform-view>
 
-  <segments-list [segments]="segments"></segments-list>
-  <points-list [points]="points"></points-list>
+  <segments-list [segments]="segments" *ngIf="segments.length > 0"></segments-list>
+  <points-list [points]="points" *ngIf="points.length > 0"></points-list>
 </div>

src/app/points-list/points-list.component.html

@@ -1,6 +1,6 @@
-<h3 *ngIf="points.length > 0">Points</h3>
+<h3>Points</h3>
 
-<table class="table table-striped" *ngIf="points.length > 0">
+<table class="table table-striped">
   <thead>
     <tr>
         <th scope="col">ID</th>

src/app/segments-list/segments-list.component.html

@@ -1,6 +1,6 @@
-<h3 *ngIf="segments.length > 0">Segments</h3>
+<h3>Segments</h3>
 
-<table class="table table-striped" *ngIf="segments.length > 0">
+<table class="table table-striped">
   <thead>
     <tr>
       <th scope="col">ID</th>