'working' ES6 classes example

classes.es6

@@ -0,0 +1,104 @@
+'use strict';
+
+class Core {
+  constructor(opts) {
+    this.plugins = {
+      selecter: [],
+      uploader: [],
+    };
+  }
+
+  use(Plugin, opts) {
+    var plugin = new Plugin(this, opts);
+    this.plugins[plugin.type].push(plugin);
+    return this;
+  }
+
+  setProgress(plugin, percentage) {
+    console.log(plugin.type + ' plugin ' + plugin.name + ' set the progress to ' + percentage);
+    return this;
+  }
+
+  run() {
+    // Dictates in what order different plugin types are ran:
+    var types = ['selecter', 'uploader'];
+    var files = []
+    for (var j in types) {
+      var type = types[j];
+      for (var i in this.plugins[type]) {
+        files = this.plugins[type][i].run(files);
+      }
+    }
+  }
+}
+
+class Plugin {
+  constructor(core, opts) {
+    this.core = core
+    this.opts = opts
+    this.name = this.constructor.name;
+  }
+  run(files) {
+    return files;
+  }
+}
+
+class DragDrop extends Plugin {
+  constructor(core, opts) {
+    super(core, opts);
+    this.type = 'selecter';
+  }
+
+  run(files) {
+    var selected = [ 'lolcat.jpeg' ]
+    console.log('');
+    console.log('Selected files: ');
+    console.dir(selected);
+    console.log('With options: ');
+    console.dir(this.opts);
+    this.core.setProgress(this, 80);
+
+    return selected;
+  }
+}
+
+class Tus10 extends Plugin {
+  constructor(core, opts) {
+    super(core, opts);
+    this.type = 'uploader';
+  }
+
+  run(files) {
+    console.log('');
+    console.log('Uploading files: ');
+    console.dir(files);
+    console.log('With options: ');
+    console.dir(this.opts);
+    this.core.setProgress(this, 80);
+    return [ this.opts.endpoint + '/uploaded/lolcat.jpeg' ];
+  }
+}
+
+// Example use:
+
+var transloadit = new Core({wait: false});
+transloadit
+  .use(DragDrop, {modal: true})
+  .use(Tus10, {endpoint: 'http://master.tus.io:8080'})
+  .run();
+
+// $ node classes.es6
+
+// This outputs:
+
+// Selected files:
+// [ 'lolcat.jpeg' ]
+// With options:
+// { modal: true }
+// selecter plugin DragDrop set the progress to 80
+//
+// Uploading files:
+// [ 'lolcat.jpeg' ]
+// With options:
+// { endpoint: 'http://master.tus.io:8080' }
+// uploader plugin Tus10 set the progress to 80