Merge pull request #663 from domenukk/master

fixes codecombat/codecombat#655

app/views/modal/wizard_settings_modal.coffee

@@ -10,8 +10,12 @@ module.exports = class WizardSettingsModal extends View
   template: template
   closesOnClickOutside: false
 
+  constructor: (options) ->
+    @onNameChange = _.debounce(@checkNameExists, 200)
+    super options
+
   events:
-    'change #wizard-settings-name': 'onNameChange'
+    'keyup #wizard-settings-name': 'onNameChange'
     'click #wizard-settings-done': 'onWizardSettingsDone'
 
   afterRender: ->
@@ -19,16 +23,16 @@ module.exports = class WizardSettingsModal extends View
     view = new WizardSettingsView()
     @insertSubView view
 
-  onNameChange: ->
-    me.set('name', $('#wizard-settings-name').val())
-    @checkNameExists()
-
-  checkNameExists: ->
+  checkNameExists: =>
     forms.clearFormAlerts(@$el)
-    success = (id) => forms.applyErrorsToForm(@$el, {property:'name', message:'is already taken'}) if id and id isnt me.id
-    $.ajax("/db/user/#{me.get('name')}/nameToID", {success: success})
-  
-  onWizardSettingsDone: ->
+    name = $('#wizard-settings-name').val()
+    success = (id) =>
+      forms.clearFormAlerts(@$el)
+      forms.applyErrorsToForm(@$el, {property:'name', message:'is already taken'}) if id and id isnt me.id
+    $.ajax("/db/user/#{name}/nameToID", {success: success})
+
+  onWizardSettingsDone: =>
+    me.set('name', $('#wizard-settings-name').val())
     forms.clearFormAlerts(@$el)
     res = me.validate()
     if res?
@@ -44,8 +48,9 @@ module.exports = class WizardSettingsModal extends View
       errors = JSON.parse(res.responseText)
       forms.applyErrorsToForm(@$el, errors)
       @disableModalInProgress(@$el)
+
     res.success (model, response, options) =>
       @hide()
 
     @enableModalInProgress(@$el)
-    me.save()
+    me.save()