Don't double trigger reach callbacks

fabienmoyon · Nov 9, 2015 · 58e4f5b · 58e4f5b
1 parent 38e6962
commit 58e4f5b
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/js/core.js b/src/js/core.js
@@ -782,6 +782,8 @@ s.updateProgress = function (translate) {
         translate = s.translate || 0;
     }
     var translatesDiff = s.maxTranslate() - s.minTranslate();
+    var wasBeginning = s.isBeginning;
+    var wasEnd = s.isEnd;
     if (translatesDiff === 0) {
         s.progress = 0;
         s.isBeginning = s.isEnd = true;
@@ -791,8 +793,8 @@ s.updateProgress = function (translate) {
         s.isBeginning = s.progress <= 0;
         s.isEnd = s.progress >= 1;
     }
-    if (s.isBeginning) s.emit('onReachBeginning', s);
-    if (s.isEnd) s.emit('onReachEnd', s);
+    if (s.isBeginning && !wasBeginning) s.emit('onReachBeginning', s);
+    if (s.isEnd && !wasEnd) s.emit('onReachEnd', s);
 
     if (s.params.watchSlidesProgress) s.updateSlidesProgress(translate);
     s.emit('onProgress', s, s.progress);