useConnection()

Source on GitHub 

The useConnection hook returns the current connection when there is an active connection interaction. If no connection interaction is active, it returns null for every property. A typical use case for this hook is to colorize handles based on a certain condition (e.g. if the connection is valid or not).

<script lang="ts">
  import { useConnection } from '@xyflow/svelte';
 
  const connection = useConnection();
</script>

Signature

This function does not accept any parameters.

Current connection as a signal