Upgrade to spinejs 1.5.0.

app/assets/javascripts/app/lib/spine/ajax.coffee

@@ -212,7 +212,7 @@ class Singleton extends Base
     (data, status, xhr) =>
 
       Ajax.disable =>
-        unless Spine.isBlank(data) or @record.destroyed
+        unless data is undefined or Object.getOwnPropertyNames(data).length == 0 or @record.destroyed
           # Update with latest data
           @record.refresh(data)
 

app/assets/javascripts/app/lib/spine/local.coffee

@@ -2,6 +2,13 @@ Spine = @Spine or require('spine')
 
 Spine.Model.Local =
   extended: ->
+    testLocalStorage = 'spine' + new Date().getTime()
+    try
+      localStorage.setItem(testLocalStorage, testLocalStorage)
+      localStorage.removeItem(testLocalStorage)
+    catch e
+      return
+
     @change @saveLocal
     @fetch @loadLocal
 

app/assets/javascripts/app/lib/spine/relation.coffee

@@ -1,5 +1,4 @@
 Spine   = @Spine or require('spine')
-isArray = Spine.isArray
 
 class Collection extends Spine.Module
   constructor: (options = {}) ->
@@ -42,7 +41,7 @@ class Collection extends Spine.Module
       for match, i in @model.records when match.id is record.id
         @model.records.splice(i, 1)
         break
-    values = [values] unless isArray(values)
+    values = [values] unless Array.isArray(values)
     for record in values
       record.newRecord = false
       record[@fkey] = @record.id
@@ -104,7 +103,7 @@ underscore = (str) ->
   str.replace(/::/g, '/')
      .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
      .replace(/([a-z\d])([A-Z])/g, '$1_$2')
-     .replace(/-/g, '_')
+     .replace(/(-|\.)/g, '_')
      .toLowerCase()
 
 requireModel = (model) ->

app/assets/javascripts/app/lib/spine/spine.coffee

@@ -160,19 +160,22 @@ class Model extends Module
 
   @exists: (id) -> Boolean @irecords[id]
 
-  @addRecord: (record) ->
+  @addRecord: (record,idx) ->
     if root = @irecords[record.id or record.cid]
       root.refresh(record)
     else
       record.id or= record.cid
       @irecords[record.id] = @irecords[record.cid] = record
-      @records.push(record)
+      if idx isnt undefined
+        @records.splice(idx,0,record)
+      else
+        @records.push(record)
     record
 
   @refresh: (values, options = {}) ->
     @deleteAll() if options.clear
     records = @fromJSON(values)
-    records = [records] unless isArray(records)
+    records = [records] unless Array.isArray(records)
     @addRecord(record) for record in records
     @sort()
 
@@ -256,7 +259,7 @@ class Model extends Module
     if typeof objects is 'string'
       objects = JSON.parse(objects)
     objects = @beforeFromJSON(objects)
-    if isArray(objects)
+    if Array.isArray(objects)
       for value in objects
         if value instanceof this
           value
@@ -464,7 +467,7 @@ class Model extends Module
     @id or= @cid
 
     record = @dup(false)
-    @constructor.addRecord(record)
+    @constructor.addRecord(record,options.idx)
     @constructor.sort()
 
     clone = record.clone()
@@ -610,14 +613,6 @@ createObject = Object.create or (o) ->
   Func.prototype = o
   new Func()
 
-isArray = (value) ->
-  Object::toString.call(value) is '[object Array]'
-
-isBlank = (value) ->
-  return true unless value
-  return false for key of value
-  true
-
 makeArray = (args) ->
   Array::slice.call(args, 0)
 
@@ -626,9 +621,7 @@ makeArray = (args) ->
 Spine = @Spine   = {}
 module?.exports  = Spine
 
-Spine.version    = '1.4.1'
-Spine.isArray    = isArray
-Spine.isBlank    = isBlank
+Spine.version    = '1.5.0'
 Spine.$          = $
 Spine.Events     = Events
 Spine.Log        = Log