svelte/packages/svelte/tests/runtime-runes/samples/derived-dependencies/_config.js

import { flushSync } from 'svelte';
import { test } from '../../test';

export default test({
	async test({ assert, target }) {
		let [btn1, btn2] = target.querySelectorAll('button');

		flushSync(() => {
			btn1?.click();
		});

		assert.htmlEqual(target.innerHTML, `<button>hide</button><button>show</button`);

		flushSync(() => {
			btn2?.click();
		});

		assert.htmlEqual(
			target.innerHTML,
			`<h1>John Doe</h1><p>Body</p><button>hide</button><button>show</button>`
		);
	}
});