Refresh Angular meta tags/data in a component with a double-click event

Currently, I have a situation where the product listing and product detail view are displayed on the same component. Initially, the product listing is shown on page load and upon clicking a specific product, the product listing is hidden while the product detail view is revealed using *ngIf.

However, I am now faced with the task of setting Meta tags for both views.

When the page initially loads, I set Meta tags for the product listing with generic information:

ngOnInit(): void {

        if(!this.route.snapshot.queryParams['productId']){
            this.utils.updateMetaTags('Harvesting farmer network - buy direct from farmer', 'Helping farmers in India sell their crops!', this.route.url, 'assets/images/logo.svg');
        }
 }

Now, when a user clicks on a product from the product listing, I need to update the Meta data with specific product details.

getFeedById(){

this.utils.updateMetaTags(this.title, this.singleItemFeed?.description || 'Helping farmers in India sell their crops!', this.router.url, this.singleItemFeed.images[0]?.url);

}

The issue at hand is that while I am able to successfully set the initial Generic Meta tags, they do not update for individual products.

Important Points: Angular Version: 11.0.2, Angular Universal Implemented

Is there a way to update Meta data multiple times for a component based on events such as clicks, without having to reload the entire page?

Answer №1

If you want to handle changes in query parameters, consider using the subscribe method:

this.route.queryParams.subscribe(params => {
  console.log(params.productId);
})

This approach ensures that the component does not need to reload when the query parameters change. If you were to use

this.route.snapshot.queryParams['productId']
, it would only be triggered once during the component initialization.

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