Tooltip: Check type on event directly, preventing TypeError when programmatically moving focus to track-toolipped-input. Fixes #8747 - Tooltip: Using the track option within dialogs creates JS errors

Author: jzaefferer

tests/unit/tooltip/tooltip_options.js

@@ -146,4 +146,12 @@ test( "track + show delay", function() {
 equal( $( ".ui-tooltip" ).css( "top" ), topVal + offsetVal + "px" );
 });
 
+test( "track and programmatic focus", function() {
+expect( 1 );
+$( "#qunit-fixture div input" ).tooltip({
+track: true
+}).focus();
+equal( "inputtitle", $( ".ui-tooltip" ).text() );
+});
+
 }( jQuery ) );

ui/jquery.ui.tooltip.js

@@ -252,7 +252,7 @@ $.widget( "ui.tooltip", {
 }
 tooltip.position( positionOption );
 }
-if ( this.options.track && event && /^mouse/.test( event.originalEvent.type ) ) {
+if ( this.options.track && event && /^mouse/.test( event.type ) ) {
 this._on( this.document, {
 mousemove: position
 });