recursive-vue-component/index.html at gh-pages · jshawl/recursive-vue-component · GitHub

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<!doctype html>
<html>
  <head>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.1.10/vue.min.js"></script>
    <style>
      .folder, .file{
        position:relative;
        padding: 3px 12px;
        cursor: pointer;
      }
      .folder:before{
        content:'';
        display:block;
        border: 5px solid black;
        border-color: transparent transparent transparent #000;
        position:absolute;
        left:0;
        top:0%;
        width:0;
        transition: all .2s ease;
        transform: translateY(75%);
      }
      .folder.active:before{
        border-color:#000 transparent transparent transparent;
      }
      .folder > .tree{
        padding: 0;
      }
    </style>
  </head>
  <body>
    <div id='app'>
      <tree></tree>
    </div>
    <script type='x-template' id='tree'>
      <div class='tree'>
	<div v-for="file in files">
	  <folder v-if="file.tag == 'folder'" :file='file'></folder>
	  <div v-else class='file'>
	    {{file.name}}
	  </div>
	</div>
      </div>
    </script>
    <script type="x-template" id='folder'>
      <div class='folder' v-bind:class="{ active: isOpen }">
        <div v-on:click="toggleExpand()">
          {{file.name}}/
          <small v-if="isOpen && !file.files">(empty)</small>
        </div>
        <tree v-if='isOpen && file.files' :children='file.files'></tree>

      </div>
    </script>
    <script>
      let files = [
        {tag: 'folder', name: 'dir1', files: [
          {tag: 'file', name: 'fileA'},
          {tag: 'file', name: 'fileB'},
          {tag: 'folder', name: 'dir1a', files: [
            {tag: 'file', name: 'fileAA'},
            {tag: 'file', name: 'fileBB'}
          ]}
        ]},
        {tag: 'folder', name: 'dir2'},
        {tag: 'file', name: 'file1'}
      ]
      Vue.component('tree',{
        template: '#tree',
        props: ['children'],
        data(){
          return {
            files: this.children || files
          }
        }
      })
      Vue.component('folder',{
        template: '#folder',
        props: ['file'],
        methods: {
          toggleExpand: function(){
            this.isOpen = !this.isOpen
          }
        },
        data: function(){
          return {
            isOpen: false
          }
        }
      })
      new Vue({
        el: '#app'
      })
    </script>
  </body>
</html>