Initial commit

lib/assets/javascripts/dashboard/data/backbone/sync-abort.js

@@ -0,0 +1,23 @@
+var Backbone = require('backbone');
+
+/**
+ * Custom sync method to only allow a single request at a time,
+ * any prev ongoing request at a time of a sync call will be aborted.
+ *
+ * @example
+ *   var MyModel = Backbone.Model.extend({
+ *     // …
+ *     sync: syncAbort,
+ */
+module.exports = function (method, self, opts) {
+  if (this._xhr) {
+    this._xhr.abort();
+  }
+
+  var xhr = this._xhr = Backbone.Model.prototype.sync.apply(this, arguments);
+  xhr.always(function () {
+    self._xhr = null;
+  });
+
+  return xhr;
+};