Updates build

Author: gucki

dist/morphdom-esm.js

@@ -323,6 +323,7 @@ function morphdomFactory(morphAttrs) {
     var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
     var onNodeAdded = options.onNodeAdded || noop;
     var onBeforeElUpdated = options.onBeforeElUpdated || noop;
+    var onBeforeElAttrsUpdated = options.onBeforeElAttrsUpdated || noop;
     var onElUpdated = options.onElUpdated || noop;
     var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
     var onNodeDiscarded = options.onNodeDiscarded || noop;
@@ -495,8 +496,11 @@ function morphdomFactory(morphAttrs) {
           return;
         }
 
-        // update attributes on original DOM element first
-        morphAttrs(fromEl, toEl);
+        if (onBeforeElAttrsUpdated(fromEl, toEl) !== false) {
+          // update attributes on original DOM element first
+          morphAttrs(fromEl, toEl);
+        }
+
         // optional
         onElUpdated(fromEl);
 

dist/morphdom-factory.js

@@ -261,6 +261,7 @@ function morphdomFactory(morphAttrs) {
     var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
     var onNodeAdded = options.onNodeAdded || noop;
     var onBeforeElUpdated = options.onBeforeElUpdated || noop;
+    var onBeforeElAttrsUpdated = options.onBeforeElAttrsUpdated || noop;
     var onElUpdated = options.onElUpdated || noop;
     var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
     var onNodeDiscarded = options.onNodeDiscarded || noop;
@@ -433,8 +434,11 @@ function morphdomFactory(morphAttrs) {
           return;
         }
 
-        // update attributes on original DOM element first
-        morphAttrs(fromEl, toEl);
+        if (onBeforeElAttrsUpdated(fromEl, toEl) !== false) {
+          // update attributes on original DOM element first
+          morphAttrs(fromEl, toEl);
+        }
+
         // optional
         onElUpdated(fromEl);
 

dist/morphdom-umd.js

@@ -329,6 +329,7 @@
         var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
         var onNodeAdded = options.onNodeAdded || noop;
         var onBeforeElUpdated = options.onBeforeElUpdated || noop;
+        var onBeforeElAttrsUpdated = options.onBeforeElAttrsUpdated || noop;
         var onElUpdated = options.onElUpdated || noop;
         var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
         var onNodeDiscarded = options.onNodeDiscarded || noop;
@@ -501,8 +502,11 @@
               return;
             }
 
-            // update attributes on original DOM element first
-            morphAttrs(fromEl, toEl);
+            if (onBeforeElAttrsUpdated(fromEl, toEl) !== false) {
+              // update attributes on original DOM element first
+              morphAttrs(fromEl, toEl);
+            }
+
             // optional
             onElUpdated(fromEl);
 

dist/morphdom-umd.min.js

@@ -325,6 +325,7 @@ function morphdomFactory(morphAttrs) {
     var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
     var onNodeAdded = options.onNodeAdded || noop;
     var onBeforeElUpdated = options.onBeforeElUpdated || noop;
+    var onBeforeElAttrsUpdated = options.onBeforeElAttrsUpdated || noop;
     var onElUpdated = options.onElUpdated || noop;
     var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
     var onNodeDiscarded = options.onNodeDiscarded || noop;
@@ -497,8 +498,11 @@ function morphdomFactory(morphAttrs) {
           return;
         }
 
-        // update attributes on original DOM element first
-        morphAttrs(fromEl, toEl);
+        if (onBeforeElAttrsUpdated(fromEl, toEl) !== false) {
+          // update attributes on original DOM element first
+          morphAttrs(fromEl, toEl);
+        }
+
         // optional
         onElUpdated(fromEl);