javascript / beginner
Snippet
Dispatching Custom Events
Components can communicate back to their parents by dispatching custom events. The createEventDispatcher function creates a helper to send data upwards.
snippet.js
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import { createEventDispatcher } from 'svelte';const dispatch = createEventDispatcher();function notify() {dispatch('message', { text: 'Hello!' });}
svelte
Breakdown
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const dispatch = createEventDispatcher();
Initializes the event dispatcher for the current component instance.
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dispatch('message', { ... });
Sends an event named 'message' with an optional detail object containing data.