SOURCE

class VNode {
    constructor(tag, data, children, text, ele) {
        this.tag = tag
        this.data = data
        this.children = children
        this.text = text
        this.ele = ele
    }
}

function createEmptyVNode() {
    const node = new VNode()
    node.text = ''
    return node
}

function createTextNode(val) {
    const node = new VNode()
    node.text = String(val)
    return node
}

function cloneVNode(node) {
    const cloneNode = new VNode(node.tag, node.data, node.children, node.text, node.ele)
    return cloneNode
}

function render () {
    return new VNode(
        'span',
        {
            /* 指令集合数组 */
            directives: [
                {
                    /* v-show指令 */
                    rawName: 'v-show',
                    expression: 'isShow',
                    name: 'show',
                    value: true
                }
            ],
            /* 静态class */
            staticClass: 'demo'
        },
        [
            createTextNode("Text1"),
            createTextNode("Text2"),
        ]
    )
}

const v1 = render()
console.dir("v1: ", v1)
const v2 = cloneVNode(v1)
console.log("v2: ", v2)
console.log("v1 === v2 ? ", v1 === v2)