Vue跨端渲染实现多端无缝衔接

{
  tag: 'div',
  props: {
    id: 'app'
  },
  chidren: [
    {
      tag: Container,
      props: {
        className: 'el-container'
      },
      chidren: [
        'Hello Little Gay!!!'
      ]
    }
  ]
}

export const nodeOps: Omit<RendererOptions<Node, Element>, 'patchProp'> = {
  //插入元素
  insert: (child, parent, anchor) => {
    parent.insertBefore(child, anchor || null)
  },
  // 删除元素
  remove: child => {
    const parent = child.parentNode
    if (parent) {
      parent.removeChild(child)
    }
  },
  // 创建元素
  createElement: (tag, isSVG, is, props): Element => {
    const el = isSVG
      ? doc.createElementNS(svgNS, tag)
      : doc.createElement(tag, is ? { is } : undefined)
    if (tag === 'select' && props && props.multiple != null) {
      ;(el as htmlSelectElement).setAttribute('multiple', props.multiple)
    }
    return el
  }
  //...其他操作函数
}

export default function createRenderer(options) {
  const {
      insert: hostInsert,
      remove: hostRemove,
      patchProp: hostPatchProp,
      createElement: hostCreateElement,
      createText: hostCreateText,
      createComment: hostCreateComment,
      setText: hostSetText,
      setElementText: hostSetElementText,
      parentNode: hostParentNode,
      nextSibling: hostNextSibling,
      setScopeId: hostSetScopeId = NOOP,
      cloneNode: hostCloneNode,
      insertStaticContent: hostInsertStaticContent
   } = options
  function render(vnode, container) {  }
  function mount(vnode, container, isSVG, refNode) {  }
  function mountElement(vnode, container, isSVG, refNode) {  }
  function mountText(vnode, container) {  }
  function patch(prevVNode, nextVNode, container) {  }
  function replaceVNode(prevVNode, nextVNode, container) {  }
  function patchElement(prevVNode, nextVNode, container) {  }
  function patchChildren(
    prevChildFlags,
    nextChildFlags,
    prevChildren,
    nextChildren,
    container
  ) {  }
  function patchText(prevVNode, nextVNode) {  }
  function patchComponent(prevVNode, nextVNode, container) {  }
  return { render }
}

import { createRenderer } from '@vue/runtime-core'
import * as THREE from 'three'
import {nextTick} from '@vue/runtime-core'
let renderer
function draw(obj) {
    const {camera,cameraPos, scene, geometry,geometryArg,material,mesh,meshY,meshX} = obj
    if([camera,cameraPos, scene, geometry,geometryArg,material,mesh,meshY,meshX].filter(v=>v).length<9){
        return 
    }
    let cameraObj = new THREE[camera]( 40, window.innerWidth / window.innerHeight, 0.1, 10 )
    Object.assign(cameraObj.position,cameraPos)
    let sceneObj = new THREE[scene]()
    let geometryObj = new THREE[geometry]( ...geometryArg)
    let materialObj = new THREE[material]()
    let meshObj = new THREE[mesh]( geometryObj, materialObj )
    meshObj.rotation.x = meshX
    meshObj.rotation.y = meshY
    sceneObj.add( meshObj )
    renderer.render( sceneObj, cameraObj );
}
const { createApp: originCa } = createRenderer({
  insert: (child, parent, anchor) => {
    if(parent.domElement){
        draw(child)
    }
  },
  createElement(type, isSVG, isCustom) {
    return {
      type
    }
  },
  setElementText(node, text) {
  },
  patchProp(el, key, prev, next) {
    el[key] = next
    draw(el)
  },
  parentNode: node => node,
  nextSibling: node => node,
  createText: text => text,
  remove:node=>node
});
function createApp(...args) {
  const app = originCa(...args)
  return {
    mount(selector) {
        renderer = new THREE.webGLRenderer( { antialias: true } );
        renderer.setSize( window.innerWidth, window.innerHeight );
        document.body.appendChild( renderer.domElement );
        app.mount(renderer)
    }
  }
}
export { createApp }

 import {Graphics} from "PIXI.js";
export const getNodeOps = (app) => {
  return {
    insert: (child, parent, anchor) => {
      parent.addChild(child);
    },
    remove: (child) => {
      const parent = child.parentNode;
      if (parent) {
        parent.removeChild(child);
      }
    },
    createElement: (tag, isSVG, is) => {
      let element;
      if (tag === "Rectangle") {
        // 创建一个矩形
        element = new window.PIXI.Graphics();
        element.lineStyle(4, 0xff3300, 1);
        element.beginFill(0x66ccff);
        element.drawRect(0, 0, 64, 64);
        element.endFill();
        element.x = 0;
        element.y = 0;
        // Opt-in to interactivity
        element.interactive = true;
        // Shows hand cursor
        element.buttonMode = true;
      } else if (tag === "Sprite") {
        element = new window.PIXI.Sprite();
        element.x = 0;
        element.y = 0;
      } else if (tag === "Container") {
        element = new window.PIXI.Container();
        element.x = 0;
        element.y = 0;
      }
      return element;
    },
    createText: (text) => doc.createTextNode(text),
    createComment: (text) => {
    //   console.log(text);
    },
    setText: (node, text) => {
      node.nodeValue = text;
    },
    setElementText: (el, text) => {
      el.textContent = text;
    },
    parentNode: (node) => node.parentNode,
    nextSibling: (node) => node.nextSibling,
    querySelector: (selector) => doc.querySelector(selector),
    setScopeId(el, id) {
      el.setAttribute(id, "");
    },
    cloneNode(el) {
      return el.cloneNode(true);
    },
  };
};