fixes a bug where using the up/down arrow keys, or Page Up/Down butto…

…ns would cause an error on a grid with no data (#1424)
dojo · Sep 5, 2019 · 467160e · 467160e
1 parent a8846ca
commit 467160e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Keyboard.js b/Keyboard.js
@@ -460,6 +460,9 @@ define([
 	// Common functions used in default keyMap (called in instance context)
 
 	var moveFocusVertical = Keyboard.moveFocusVertical = function (event, steps) {
+		// if there is no _focusNode (for example, when the grid doesn't have data) don't try to find the next focus row/cell
+		if (!this._focusedNode) { return; }
+
 		var cellNavigation = this.cellNavigation,
 			target = this[cellNavigation ? 'cell' : 'row'](event),
 			columnId = cellNavigation && target.column.id,