mirror of https://github.com/sveltejs/svelte
fix: allow using typescript in `customElement.extend` option (#16001)
Closes #15372 --------- Co-authored-by: Dominik G. <dominik.goepel@gmx.de>pull/16006/head
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---
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'svelte': patch
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---
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fix: allow using typescript in `customElement.extend` option
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import { test } from '../../assert';
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const tick = () => Promise.resolve();
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export default test({
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async test({ assert, target }) {
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target.innerHTML = '<custom-element name="world"></custom-element>';
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await tick();
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/** @type {any} */
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const el = target.querySelector('custom-element');
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assert.htmlEqual(
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el.shadowRoot.innerHTML,
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`
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<p>name: world</p>
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`
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);
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assert.equal(el.test, `test`);
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}
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});
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@ -0,0 +1,14 @@
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<svelte:options customElement={{
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tag: "custom-element",
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extend: (customClass)=>{
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return class extends customClass{
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public test: string = "test";
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}
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},
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}}/>
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<script lang="ts">
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let { name } = $props();
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</script>
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<p>name: {name}</p>
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