1.8.1

Sortable.js

@@ -364,7 +364,6 @@
 		_prepareGroup = function (options) {
 			function toFn(value, pull) {
 				return function(to, from, dragEl, evt) {
-					var ret;
 					var sameGroup = to.options.group.name &&
 									from.options.group.name &&
 									to.options.group.name === from.options.group.name;
@@ -378,7 +377,7 @@
 					} else if (pull && value === 'clone') {
 						return value;
 					} else if (typeof value === 'function') {
-						return toFn(value(to, from, dragEl, evt));
+						return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
 					} else {
 						var otherGroup = (pull ? to : from).options.group.name;
 
@@ -860,10 +859,8 @@
 
 			if (!this.nativeDraggable || touch) {
 				if (this.options.supportPointer) {
-					touch && _on(document, 'touchmove', _preventScroll); // must be touchmove to prevent scroll
 					_on(document, 'pointermove', this._onTouchMove);
 				} else if (touch) {
-					_on(document, 'touchmove', _preventScroll);
 					_on(document, 'touchmove', this._onTouchMove);
 				} else {
 					_on(document, 'mousemove', this._onTouchMove);
@@ -1362,8 +1359,6 @@
 		_offUpEvents: function () {
 			var ownerDocument = this.el.ownerDocument;
 
-			_off(document, 'touchmove', _preventScroll);
-			_off(document, 'pointermove', _preventScroll);
 			_off(document, 'touchmove', this._onTouchMove);
 			_off(document, 'pointermove', this._onTouchMove);
 			_off(ownerDocument, 'mouseup', this._onDrop);
@@ -2178,12 +2173,6 @@
 	}
 
 
-	function _preventScroll(evt) {
-		if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
-			evt.preventDefault();
-		}
-	}
-
 	/**
 	 * Returns the "bounding client rect" of given element
 	 * @param  {HTMLElement} el                The element whose boundingClientRect is wanted
@@ -2302,6 +2291,13 @@
 		return false;
 	}
 
+	// Fixed #973:
+	_on(document, 'touchmove', function(evt) {
+		if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
+			evt.preventDefault();
+		}
+	});
+
 
 	// Export utils
 	Sortable.utils = {
@@ -2336,6 +2332,6 @@
 
 
 	// Export
-	Sortable.version = '1.8.0';
+	Sortable.version = '1.8.1';
 	return Sortable;
 });