Improve landing code

landing.js

 /*jslint nomen: true, indent: 2, maxerr: 3 */
-/*global window, rJS */
+/*global window, rJS, RSVP, jIO, fetch, Promise, document, console, Blob
+, JSZip */
 (function (rJS, RSVP, JSZip, jIO) {
   "use strict";
 
   function getStorageGadget(gadget) {
-    var storage_gadget, site_editor_gadget_url, getURL = window.location;
+    var getURL = window.location;
     return new RSVP.Queue()
       .push(function () {
         var url = getURL.protocol + "//" + getURL.host + "/crib-enable.html";
-        if (gadget.props.storage_gadget_url == url) {
+        if (gadget.props.storage_gadget_url === url) {
           return gadget.getDeclaredGadget("storage")
             .push(undefined, function () {
               return gadget.declareGadget(
@@ -18,9 +19,10 @@
                   "sandbox": "iframe",
                   "element": gadget.props.element
                     .querySelector('.storage-access')
+                }
+              );
             });
-            });
-        } else {
+        }
         gadget.props.storage_gadget_url = url;
         return gadget.dropGadget("storage")
           .push(function () {}, function () {})
@@ -32,25 +34,23 @@
                 "sandbox": "iframe",
                 "element": gadget.props.element
                   .querySelector('.storage-access')
-                });
-            });
               }
+            );
+          });
       })
       .push(undefined, function (e) {
         // Ugly Hack to reload page and make service worker available
         if (e &&
-            e.indexOf("Please reload this page to allow Service Worker to control this page") > -1) {
-          console.log("reload");
+            e.toString()
+             .indexOf("Please reload this page to allow Service Worker to control this page") > -1) {
           window.location.reload(false);
-          throw (e);
-        } else {
-          console.log(e);
-          throw (e);
+          throw e;
         }
+        throw e;
       });
   }
 
-  function getParameterDict () {
+  function getParameterDict() {
     var hash = window.location.hash.substring(1),
       params = {};
     hash.split('&').map(hk => {
@@ -59,28 +59,11 @@
     });
     return params;
   }
-  function getExtension(url) {
-    var extension = url.split('.').pop();
-    if (extension.endsWith('/')) {
-      return ".html";
-    }
-    return "." + extension;
-  }
-
-  function getSetting(gadget, key, default_value) {
-    if (key === "site_editor_gadget_url") {
-      return window.location.protocol + "//" + window.location.host +
-        "/crib-enable.html";
-    }
-    return default_value;
-  }
 
-  function loadZipIntoCrib(gadget, zip, from_path, path_to_load) {
-    var promise_list = [], url_number = 0,
-      site_url = window.location.protocol + "//" + window.location.host;
+  function loadZipIntoCrib(gadget, zip, from_path) {
+    var promise_list = [];
     zip.forEach(function (relativePath, zipEntry) {
       var end_url;
-      url_number += 1;
       if (zipEntry.dir) {
         return;
       }
@@ -88,7 +71,6 @@
         return;
       }
       relativePath = relativePath.substring(from_path.length);
-      console.log(relativePath);
       if (relativePath.startsWith("/")) {
         end_url = relativePath.substring(1);
       } else {
@@ -118,28 +100,26 @@
   }
 
   function loadContentFromZIPURL(gadget, options) {
-    var path_to_load = options.to_path, file_list,
-      from_path = options.from_path, zip_url = options.zip_url,
-      url_list = [], url_number = 0;
+    var path_to_load = options.to_path,
+      from_path = options.from_path,
+      zip_url = options.zip_url;
     return new RSVP.Queue()
       .push(function () {
         return fetch(zip_url)
           .then(function (response) {                       // 2) filter on 200 OK
             if (response.status === 200 || response.status === 0) {
               return Promise.resolve(response.blob());
-            } else {
-              return Promise.reject(new Error(response.statusText));
             }
+            return Promise.reject(new Error(response.statusText));
           });
       })
       .push(JSZip.loadAsync)
       .push(function (zip) {
         return loadZipIntoCrib(gadget, zip, from_path, path_to_load);
-    })
-    .push(console.log, console.log);
+      });
   }
 
-  function loadCribJSFromZipUrl (gadget, data) {
+  function loadCribJSFromZipUrl(gadget, data) {
     return loadContentFromZIPURL(gadget, {
       path: document.location.href,
       zip_url: data.zip_url,
@@ -147,7 +127,7 @@
       to_path: data.to_path,
       application_id: "cribjs"
     })
-    .push(function (url_list) {
+      .push(function () {
         document.location = data.redirect_url;
       })
       .push(console.log, console.log);
@@ -155,7 +135,7 @@
 
   rJS(window)
 
-    .declareMethod('render', function (options) {
+    .declareMethod('render', function () {
       var gadget = this,
         getURL = window.location,
         site = getURL.protocol + "//" + getURL.host,
@@ -167,23 +147,22 @@
             "-/archive/master/cribjs-editor-master.zip",
           redirect_url: site
         };
-    if ( params.hasOwnProperty("from_path") ) {
+      if (params.hasOwnProperty("from_path")) {
         data.from_path = params.from_path;
       }
-    if ( params.hasOwnProperty("to_path") ) {
+      if (params.hasOwnProperty("to_path")) {
         data.to_path  = params.to_path;
       }
-    if ( params.hasOwnProperty("zip_url") ) {
+      if (params.hasOwnProperty("zip_url")) {
         data.zip_url = params.zip_url;
       }
-    if ( params.hasOwnProperty("redirect_url") ) {
+      if (params.hasOwnProperty("redirect_url")) {
         data.redirect_url = decodeURIComponent(params.redirect_url);
       }
       return RSVP.Queue()
         .push(function () {
           return loadCribJSFromZipUrl(gadget, data);
-    })
-    .fail(function(e){console.log(e)})
+        });
     })
     .declareMethod('put', function (url, parameter) {
       var blob, gadget = this;
@@ -205,8 +184,7 @@
         .push(function (result_list) {
           return result_list[0].put(url, result_list[1].target.result);
         })
-        .push(console.log, console.log)
-        ;
+        .push(console.log, console.log);
     })
 
     .ready(function (g) {
@@ -214,12 +192,12 @@
       return g.getElement()
         .push(function (element) {
           g.props.element = element;
-    }).push(function() {
+        })
+        .push(function () {
           return RSVP.all([
             getStorageGadget(g),
             g.render({})
           ]);
         });
-
     });
 }(rJS, RSVP, JSZip, jIO));
\ No newline at end of file