<div class="profile">

  <img [src]="user.img" width="50px">

  @{{user.username}} has <strong>{{followerCount}}</strong> followers

  <div *ngIf="isFollowing; then unfollowButton else followButton">

      button renders here

  </div>

</div>

<ng-template #followButton>

  <button class="button is-info" (click)="toggleFollow()">Follow</button>

</ng-template>

<ng-template #unfollowButton>

  <button class="button is-warning" (click)="toggleFollow()">Unfollow</button>

</ng-template>