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node_modules/vue/src/platforms/web/runtime/node-ops.js 1.48 KB
aaac7fed   liuqimichale   add
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  /* @flow */
  
  import { namespaceMap } from 'web/util/index'
  
  export function createElement (tagName: string, vnode: VNode): Element {
    const elm = document.createElement(tagName)
    if (tagName !== 'select') {
      return elm
    }
    // false or null will remove the attribute but undefined will not
    if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
      elm.setAttribute('multiple', 'multiple')
    }
    return elm
  }
  
  export function createElementNS (namespace: string, tagName: string): Element {
    return document.createElementNS(namespaceMap[namespace], tagName)
  }
  
  export function createTextNode (text: string): Text {
    return document.createTextNode(text)
  }
  
  export function createComment (text: string): Comment {
    return document.createComment(text)
  }
  
  export function insertBefore (parentNode: Node, newNode: Node, referenceNode: Node) {
    parentNode.insertBefore(newNode, referenceNode)
  }
  
  export function removeChild (node: Node, child: Node) {
    node.removeChild(child)
  }
  
  export function appendChild (node: Node, child: Node) {
    node.appendChild(child)
  }
  
  export function parentNode (node: Node): ?Node {
    return node.parentNode
  }
  
  export function nextSibling (node: Node): ?Node {
    return node.nextSibling
  }
  
  export function tagName (node: Element): string {
    return node.tagName
  }
  
  export function setTextContent (node: Node, text: string) {
    node.textContent = text
  }
  
  export function setStyleScope (node: Element, scopeId: string) {
    node.setAttribute(scopeId, '')
  }