Function createInstance

packages/react-dom/src/hostConfig.ts:11–16

(type: string, props: Props)

// export const createInstance = (type: string, props: any): Instance => {
export const createInstance = (type: string, props: Props): Instance => {
	// TODO 处理props
	const element = document.createElement(type) as unknown;
	updateFiberProps(element as DOMElement, props);
	return element as DOMElement;
};

export const appendInitialChild = (
	parent: Instance | Container,