add wipe fs

js/controller.js

@@ -3,20 +3,29 @@ class Controller {
     this.model = model;
     this.view = view;
 
+    this.redrawDirTree(view);
 
-    // Initialize isomorphic-git with a file system
-    window.fs = new LightningFS("fs");
-    // I prefer using the Promisified version honestly
-    window.pfs = window.fs.promises;
-
-    window.dir = "/test-clone";
-
-    this.model.dirTree().then(
-      function (value) {
-        view.showDirTree(value);
-      },
-      function (error) {}
-    );    
+    var cloneBtn = document.getElementsByClassName("clone")[0];
+    var purgeBtn = document.getElementsByClassName("purge")[0];
+    cloneBtn.addEventListener("click", function () {
+      console.log("clone");
+    });
+    purgeBtn.addEventListener("click", this.purgeFS.bind(this));
   }
 
+  purgeFS() {
+    this.model.purgeFS();
+    //this.drawDirTree(this.view);
+    this.redrawDirTree(this.view);
+  }
+
+  redrawDirTree(view) {
+    this.model.dirTree().then(
+      function (value) {
+        view.removeDirTree();
+        view.drawDirTree(value);
+      },
+      function (error) {}
+    );
+  }
 }