Prevent multiple refreshes if a refresh is happening

5bd22b28 · Alfredo Sumaran · 3fbdca21 · 5bd22b28
--- a/app/assets/javascripts/notes.js.coffee
+++ b/app/assets/javascripts/notes.js.coffee
@@ -96,6 +96,8 @@ class @Notes
    , @polling_interval

  refresh: ->
+    return if @refreshing is true
+    refreshing = true
    if not document.hidden and document.URL.indexOf(@noteable_url) is 0
      @getContent()

@@ -113,6 +115,8 @@ class @Notes
            @renderDiscussionNote(note)
          else
            @renderNote(note)
+      always: =>
+        @refreshing = false

  ###
  Increase @polling_interval up to 120 seconds on every function call,