Widget: Fix boolean option when under use strict

Fix for `options === true` when using jQuery UI under `use strict`,
which throws:
```
Uncaught TypeError: Cannot create property 'complete' on boolean 'true'
```
on line:
```js
options.complete = callback;
```

Closes gh-1931

diff --git a/ui/widget.js b/ui/widget.js
index 30034f5924ee40498d93df719d48315e5a85c607..4b58712052b1175c5153eb75ebb1e859e54f130b 100644 (file)
--- a/ui/widget.js
+++ b/ui/widget.js
@@ -717,6 +717,8 @@ $.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
                options = options || {};
                if ( typeof options === "number" ) {
                        options = { duration: options };
+               } else if ( options === true ) {
+                       options = {};
                }
 
                hasOptions = !$.isEmptyObject( options );