feat(typeahead): add typeahead-append-to-body option

src/typeahead/test/typeahead.spec.js

@@ -501,6 +501,18 @@ describe('typeahead tests', function () {
       expect(inputEl.val()).toEqual('AL');
       expect($scope.result).toEqual($scope.states[0]);
     });
+
+
+  });
+
+  describe('append to body', function () {
+
+    it('append typeahead results to body', function () {
+      var element = prepareInputEl("<div><input ng-model='result' typeahead='item for item in source | filter:$viewValue' typeahead-append-to-body='true'></div>");
+      changeInputValueTo(element, 'ba');
+      expect($document.find('body')).toBeOpenWithActive(2, 0);
+
+    });
   });
 
 });

src/typeahead/typeahead.js

@@ -57,6 +57,8 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
 
       var inputFormatter = attrs.typeaheadInputFormatter ? $parse(attrs.typeaheadInputFormatter) : undefined;
 
+      var appendToBody =  attrs.typeaheadAppendToBody ? $parse(attrs.typeaheadAppendToBody) : false;
+
       //INTERNAL VARIABLES
 
       //model setter executed upon match selection
@@ -120,7 +122,7 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
               //position pop-up with matches - we need to re-calculate its position each time we are opening a window
               //with matches as a pop-up might be absolute-positioned and position of an input might have changed on a page
               //due to other elements being rendered
-              scope.position = $position.position(element);
+              scope.position = appendToBody ? $position.offset(element) : $position.position(element);
               scope.position.top = scope.position.top + element.prop('offsetHeight');
 
             } else {
@@ -275,7 +277,12 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
         $document.unbind('click', dismissClickHandler);
       });
 
-      element.after($compile(popUpEl)(scope));
+      var $popup = $compile(popUpEl)(scope);
+      if ( appendToBody ) {
+        $document.find('body').append($popup);
+      } else {
+        element.after($popup);
+      }
     }
   };