astro/packages/integrations/preact/client.js

import { h, render } from 'preact';
import StaticHtml from './static-html.js';

export default (element) =>
	(Component, props, { default: children, ...slotted }) => {
		if (!element.hasAttribute('ssr')) return;
		for (const [key, value] of Object.entries(slotted)) {
			props[key] = h(StaticHtml, { value, name: key });
		}
		render(
			h(Component, props, children != null ? h(StaticHtml, { value: children }) : children),
			element
		);
	};