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ItalyPaleAle avatar ItalyPaleAle commented on September 14, 2024

Hi @rottmann sorry for the delay in responding.

This is actually not an issue in the router itself, but it's how Svelte works. The "problem" is that your code never causes the CallView component to be un-mounted (removed from the DOM), so Svelte doesn't re-mount it. You can confirm this behavior by changing the code of CallView.svelte to:

<script>
  import Router, { push } from 'svelte-spa-router'
  import CallEditView from './CallEditView.svelte'
  import { onMount } from 'svelte'

  const routes = {
    '/call/edit/:id': CallEditView
  }

  onMount(async () => {
	console.log('mounted')
  })

  // this is only called one time, when the page load, but not wenn you push the button
  // (onMount / async stuff fake)
  setTimeout( () => {
    push('/call/edit/1')
  }, 1000)
</script>

<button on:click={() => push('/call/') }>Go to /call/</button><br>

<Router {routes}></Router>

In the console, you'll see that "mounted" appears only once. This is by design.

There's a simple workaround, however, which is to listen on the $location store. Here's an example with an updated CallView.svelte:

<script>
  import Router, {push, location} from 'svelte-spa-router'
  import CallEditView from './CallEditView.svelte'
  import {onDestroy} from 'svelte'

  const routes = {
    '/call/edit/:id': CallEditView
  }

  const unsubscribe = location.subscribe((val) => {
    setTimeout( () => {
        console.log('pushing')
        push('/call/edit/1')
    }, 1000)
  })

  onDestroy(async () => {
	unsubscribe()
  })
</script>

<button on:click={() => push('/call/') }>Go to /call/</button><br>

<Router {routes}></Router>

from svelte-spa-router.

rottmann avatar rottmann commented on September 14, 2024

Thank you! Other solution could be to react on location change with$: $location, will try both.

from svelte-spa-router.

ItalyPaleAle avatar ItalyPaleAle commented on September 14, 2024

The two things are equivalent. The $ syntax behind the scene manages the subscription/un-subscription automatically, as per the svelte documentation!

from svelte-spa-router.

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