cocos-enhance-kit/adapters/platforms/wechat/wrapper/builtin/Node.js

import EventTarget from './EventTarget.js'

export default class Node extends EventTarget {
  constructor() {
    super()
  }

  childNodes = []

  appendChild(node) {
    this.childNodes.push(node)
    // if (node instanceof Node) {
    //   this.childNodes.push(node)
    // } else {
    //   throw new TypeError('Failed to executed \'appendChild\' on \'Node\': parameter 1 is not of type \'Node\'.')
    // }
  }

  cloneNode() {
    const copyNode = Object.create(this)

    Object.assign(copyNode, this)
    return copyNode
  }

  removeChild(node) {
    const index = this.childNodes.findIndex((child) => child === node)

    if (index > -1) {
      return this.childNodes.splice(index, 1)
    }
    return null
  }
}