JSFiddle - React, Tailwind, and code Playground

by Ivin Raj S

HTML

<div id="container">
      <div>
        <input type="file" id="file_input" webkitdirectory directory />
        <ul id="dir-tree"></ul>
      </div>
               
               <button OnServerClick="btnupload_click" id="btnupload" type="button">Upload</button>

JavaScript

(function () {
        var cache = {};

        this.tmpl = function tmpl(str, data) {
            // Figure out if we're getting a template, or if we need to
            // load the template - and be sure to cache the result.
            var fn = !/\W/.test(str) ?
              cache[str] = cache[str] ||
                tmpl(document.getElementById(str).innerHTML) :

              // Generate a reusable function that will serve as a template
              // generator (and which will be cached).
              new Function("obj",
                "var p=[],print=function(){p.push.apply(p,arguments);};" +

                // Introduce the data as local variables using with(){}
                "with(obj){p.push('" +

                // Convert the template into pure JavaScript
                str
                  .replace(/[\r\t\n]/g, " ")

            .replace(/\t=(.*?)%>/g, "',$1,'")
            .split("\t").join("');")
            .split("%>").join("p.push('")
            .split("\r").join("\\'")
        + "');}return p.join('');");

            // Provide some basic currying to the user
            return data ? fn(data) : fn;
        };
    })();

    window.URL = window.URL ? window.URL :
                 window.webkitURL ? window.webkitURL : window;

    function Tree(selector) {
        this.$el = $(selector);
        this.fileList = [];
        var html_ = [];
        var tree_ = {};
        var pathList_ = [];
        var self = this;

        this.render = function (object) {
            if (object) {
                for (var folder in object) {
                    if (!object[folder]) { // file's will have a null value
                        html_.push('<li><a href="#" data-type="file">', folder, '</a></li>');
                    } else {
                        html_.push('<li><a href="#">', folder, '</a>');
                        html_.push('<ul>');
                        self.render(object[folder]);
                        html_.push('</ul>');
   ...