My troubleshooting journey: Why isn't Angular's HostListener preventDefault function

Struggling with creating a file drag and drop upload feature. I've set up the div container with dragenter, dragleave, and drop events using HostListener in an Angular Directive. The dragenter and dragleave events are functioning correctly, but I'm facing an issue with event.preventDefault() not working in the drop event. Here is my event code:

@HostListener('drop', ['$event']) onDrop = (event): void => {
    event.preventDefault();
}

I've also attempted to include the event using

(drop)="function($event)"
within the HTML DOM, but that approach didn't yield any results.

Answer №1

According to information found on the MDN website:

The preventDefault() method of the Event interface informs the user agent that if the event is not explicitly handled, its default action should not be taken as usual. This means that the event will continue to propagate unless stopPropagation() or stopImmediatePropagation() is called by one of its event listeners, either of which immediately stops propagation.

It is recommended to use event.stopPropagation() or event.stopImmediatePropagation() instead.

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