svelte-custom-elements Svelte Themes

Svelte Custom Elements

Turn Svelte components into web components

This project is deprecated — Svelte can compile directly to custom elements as of version 1.37 (see sveltejs/svelte#797 for more info)


svelte-custom-elements

Register Svelte components as custom elements.

Installation and usage

First, you need to be familiar with Svelte. Read the guide if you haven't already, then come back here!

Install svelte-custom-elements to your project...

npm install -S svelte-custom-elements

...then use it in your app like so:

import Counter from './Counter.html';
import { register } from 'svelte-custom-elements';

register( 'my-component', Counter, [ 'value' ] );

document.body.innerHTML = '<my-component value="42"></my-component>';

The register function takes three arguments:

  1. The tag name you wish to use
  2. A Svelte component constructor
  3. An optional list of 'observed attributes'. Any properties that you want to get or set (i.e. component.thing = 'foo') must be included in this list.

Demo

License

MIT

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