While working on my angular 2 projects, I encountered an issue where I couldn't reload the page by changing the query parameters within the same URL. I am currently utilizing resolve to fetch data before loading the page.
I am now striving to figure out a way for the resolver to refresh the data whenever there is a change in the URL's query parameters. Can anyone advise me on how to accomplish this?
Implement this configuration in your route settings:
{
path: '',
resolve: {
data : DataResolver,
},
runGuardsAndResolvers: 'paramsOrQueryParamsChange',
component: MainComponent
}
Adding 'paramsOrQueryParamsChange' to your route settings will activate the DataResolver whenever there is a change in the params or queryParams.
You can access the resolver's data in your MainComponent like so:
ngOnInit() {
this.activatedRoute.data.subscribe((resolversData) => {
// Will now be triggered with each queryParams change
})
}
It seems like you are struggling with retrieving updated query parameters in Angular. Allow me to offer a solution that might be helpful to you.
constructor(private route: ActivatedRoute) { }
ngOnInit() {
this.route.snapshot.queryParams['something'];//when you snapshot and navigate to same url you can't get new query params, only for first initialization
// To retrieve new query parameters or URL parameters, you need to subscribe (for the same URL navigation)
this.route.queryParams.subscribe({
(queryParams: Params) => {
this.yourParam = queryParams['something'];
}
})
}
It appears that the issue lies in using a snapshot instead of Observable queryParams. This adjustment should resolve your problem.
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