move chromeCloudStorageSync away from app.js

src/app.js

@@ -1,4 +1,3 @@
-/* global confirm, chrome */
 'use strict'
 
 var async = require('async')
@@ -16,6 +15,7 @@ var QueryParams = require('./lib/query-params')
 var GistHandler = require('./lib/gist-handler')
 var Storage = require('./storage')
 var Browserfiles = require('./app/files/browser-files')
+var chromeCloudStorageSync = require('./app/files/chromeCloudStorageSync')
 var SharedFolder = require('./app/files/shared-folder')
 var Config = require('./config')
 var Editor = require('./app/editor/editor')
@@ -277,58 +277,8 @@ function run () {
     }
   }
 
-  // ----------------- Chrome cloud storage sync --------------------
-
-  function chromeCloudSync () {
-    if (typeof chrome === 'undefined' || !chrome || !chrome.storage || !chrome.storage.sync) {
-      return
-    }
-
-    var obj = {}
-    var done = false
-    var count = 0
-
-    function check (key) {
-      chrome.storage.sync.get(key, function (resp) {
-        console.log('comparing to cloud', key, resp)
-        if (typeof resp[key] !== 'undefined' && obj[key] !== resp[key] && confirm('Overwrite "' + key + '"? Click Ok to overwrite local file with file from cloud. Cancel will push your local file to the cloud.')) {
-          console.log('Overwriting', key)
-          filesProviders['browser'].set(key, resp[key])
-        } else {
-          console.log('add to obj', obj, key)
-          filesProviders['browser'].get(key, (error, content) => {
-            if (error) {
-              console.log(error)
-            } else {
-              obj[key] = content
-            }
-          })
-        }
-        done++
-        if (done >= count) {
-          chrome.storage.sync.set(obj, function () {
-            console.log('updated cloud files with: ', obj, this, arguments)
-          })
-        }
-      })
-    }
-
-    for (var y in filesProviders['browser'].list()) {
-      console.log('checking', y)
-      filesProviders['browser'].get(y, (error, content) => {
-        if (error) {
-          console.log(error)
-        } else {
-          obj[y] = content
-          count++
-          check(y)
-        }
-      })
-    }
-  }
-
-  window.syncStorage = chromeCloudSync
-  chromeCloudSync()
+  window.syncStorage = chromeCloudStorageSync
+  chromeCloudStorageSync()
 
   // ---------------- FilePanel --------------------
   var FilePanelAPI = {

src/app/files/chromeCloudStorageSync.js

@@ -0,0 +1,50 @@
+/* global confirm, chrome */
+'use strict'
+
+module.exports = function (filesProviders) {
+  if (typeof chrome === 'undefined' || !chrome || !chrome.storage || !chrome.storage.sync) {
+    return
+  }
+
+  var obj = {}
+  var done = false
+  var count = 0
+
+  function check (key) {
+    chrome.storage.sync.get(key, function (resp) {
+      console.log('comparing to cloud', key, resp)
+      if (typeof resp[key] !== 'undefined' && obj[key] !== resp[key] && confirm('Overwrite "' + key + '"? Click Ok to overwrite local file with file from cloud. Cancel will push your local file to the cloud.')) {
+        console.log('Overwriting', key)
+        filesProviders['browser'].set(key, resp[key])
+      } else {
+        console.log('add to obj', obj, key)
+        filesProviders['browser'].get(key, (error, content) => {
+          if (error) {
+            console.log(error)
+          } else {
+            obj[key] = content
+          }
+        })
+      }
+      done++
+      if (done >= count) {
+        chrome.storage.sync.set(obj, function () {
+          console.log('updated cloud files with: ', obj, this, arguments)
+        })
+      }
+    })
+  }
+
+  for (var y in filesProviders['browser'].list()) {
+    console.log('checking', y)
+    filesProviders['browser'].get(y, (error, content) => {
+      if (error) {
+        console.log(error)
+      } else {
+        obj[y] = content
+        count++
+        check(y)
+      }
+    })
+  }
+}