From 9c33b3ad32f7cc4fbd209c874ca33bc8657f05bc Mon Sep 17 00:00:00 2001
From: Joe Ibershoff <joe.ibershoff@lela.com>
Date: Mon, 20 Jan 2014 16:12:09 -0500
Subject: [PATCH 1/2] feat(typeahead): handles min-length of 0

---
 src/typeahead/test/typeahead.spec.js | 9 +++++++++
 src/typeahead/typeahead.js           | 7 ++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/typeahead/test/typeahead.spec.js b/src/typeahead/test/typeahead.spec.js
index c8c2b4d1d9..7a6dac107e 100644
--- a/src/typeahead/test/typeahead.spec.js
+++ b/src/typeahead/test/typeahead.spec.js
@@ -594,4 +594,13 @@ describe('typeahead tests', function () {
     });
   });
 
+  describe('minLength set to 0', function () {
+    it('should open typeahead if input is changed to empty string if defined threshold is 0', function () {
+      var element = prepareInputEl('<div><input ng-model="result" typeahead="item for item in source | filter:$viewValue" typeahead-min-length="0"></div>');
+      changeInputValueTo(element, '');
+
+      expect(element).toBeOpenWithActive(3, 0);
+    });
+  });
+
 });
\ No newline at end of file
diff --git a/src/typeahead/typeahead.js b/src/typeahead/typeahead.js
index 3aa213e79c..1296105482 100644
--- a/src/typeahead/typeahead.js
+++ b/src/typeahead/typeahead.js
@@ -41,7 +41,8 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
       //SUPPORTED ATTRIBUTES (OPTIONS)
 
       //minimal no of characters that needs to be entered before typeahead kicks-in
-      var minSearch = originalScope.$eval(attrs.typeaheadMinLength) || 1;
+      var minSearch = originalScope.$eval(attrs.typeaheadMinLength);
+      minSearch = minSearch === 0 ? minSearch : minSearch || 1;
 
       //minimal wait time after last character typed before typehead kicks-in
       var waitTime = originalScope.$eval(attrs.typeaheadWaitMs) || 0;
@@ -150,7 +151,7 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
 
         hasFocus = true;
 
-        if (inputValue && inputValue.length >= minSearch) {
+        if (minSearch === 0 || inputValue && inputValue.length >= minSearch) {
           if (waitTime > 0) {
             if (timeoutPromise) {
               $timeout.cancel(timeoutPromise);//cancel previous timeout
@@ -221,7 +222,7 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
 
         resetMatches();
 
-        //return focus to the input element if a mach was selected via a mouse click event
+        //return focus to the input element if a match was selected via a mouse click event
         element[0].focus();
       };
 

From 30bf430783cca03c5b87aed735244c4c00f0955e Mon Sep 17 00:00:00 2001
From: Joe Ibershoff <joe.ibershoff@lela.com>
Date: Mon, 20 Jan 2014 16:12:09 -0500
Subject: [PATCH 2/2] feat(typeahead): handles min-length of 0