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In React you can render a component in a different node using Portals:
ReactDOM.createPortal(
<Component />,
document.getElementById('id')
);
Same for Vue using the portal-vue package.
But is there a way to something similar in Svelte?
<body>
<Header>
<Modal /> <!-- Modal is rendered here -->
</Header>
<!-- But the Modal DOM would be injected at the body end -->
</body>
835
See this issue : https://github.com/sveltejs/svelte/issues/3088
Portal.svelte
<script>
import { onMount, onDestroy } from 'svelte'
let ref
let portal
onMount(() => {
portal = document.createElement('div')
portal.className = 'portal'
document.body.appendChild(portal)
portal.appendChild(ref)
})
onDestroy(() => {
document.body.removeChild(portal)
})
</script>
<div class="portal-clone">
<div bind:this={ref}>
<slot></slot>
</div>
</div>
<style>
.portal-clone { display: none; }
</style>
You can then you it with the following template. Modal will be renderer under <body/> :
<Portal>
<Modal/>
</Portal>
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