Function render

compat/src/render.js:84–95

(vnode, parent, callback)

 * @returns {import('./internal').Component | null} The root component reference or null
 */
export function render(vnode, parent, callback) {
	// React destroys any existing DOM nodes, see #1727
	// ...but only on the first render, see #1828
	if (parent._children == null) {
		parent.textContent = '';
	}

	preactRender(vnode, parent);
	if (typeof callback == 'function') callback();

	return vnode ? vnode._component : null;
}

export function hydrate(vnode, parent, callback) {
	preactHydrate(vnode, parent);