<form [formGroup]="newStory"
(submit)="submit()"
connectForm="newStory">
<div class="form-group">
<input type="text" formControlName="title">
</div>
<div class="form-group">
<textarea formControlName="description"></textarea>
</div>
<button [disabled]="newStory.invalid" type="submit">Submit</button>
</form>