Transferring data between different components in Angular 5

Presently, I am working with two distinct components within my project - a navigation component and a detail component. The navigation component contains several options or items that the user can select. Upon selection by the user, I am attempting to update a masonry grid within the detail component. Although I have successfully updated the masonry grid, I now require calling a method named prepended(). To illustrate:

The code inside the detail component is as follows:

  import Masonry from 'masonry-layout';

  // during ngOnInit
  let grid = document.querySelector('.grid');

  let msnry = new Masonry( grid, {
    itemSelector: '.grid-item',
  });

To execute the following from my navigation component:

msnry.prepended();

I need guidance on how to execute msnry.prepended() from another component. Your help in this matter would be highly appreciated.

javascriptangulartypescriptmasonry

Answer №1

If there is a parent-child relationship present, you can utilize the template reference variable technique to invoke a method of the child component from the parent component. For instance, suppose your navigation component template looks like this:

<div>
    <detail-component #detailComponent></detail-component>
    <button (click)="detailComponent.sayHello()"/>
</div>

Assuming that your detail component contains a method called sayHello(), clicking the button in the navigation component will trigger that method.

I hope this explanation proves to be useful.

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