From 5f3d3ee780813051d912e908c026fd753fc7b6be Mon Sep 17 00:00:00 2001
From: germannj <jonathan.germann@outlook.com>
Date: Fri, 29 Jan 2016 12:59:45 +0100
Subject: [PATCH 1/3] add support for changing typeaheadMinLength

One might want to change minLength no of characters condition based.
---
 src/typeahead/typeahead.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/typeahead/typeahead.js b/src/typeahead/typeahead.js
index acc7d1df75..3c99b4a060 100644
--- a/src/typeahead/typeahead.js
+++ b/src/typeahead/typeahead.js
@@ -38,7 +38,14 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.debounce', 'ui.bootstrap
     if (!minLength && minLength !== 0) {
       minLength = 1;
     }
-
+    originalScope.$watch(attrs.typeaheadMinLength, function (newVal) {
+        if (!newVal && newVal !== 0) {
+            minLength = 1;
+        } else {
+            minLength = newVal;
+        }
+    });
+    
     //minimal wait time after last character typed before typeahead kicks-in
     var waitTime = originalScope.$eval(attrs.typeaheadWaitMs) || 0;
 

From 4b73d61e06587e65694315af5676c60ee97c8c7f Mon Sep 17 00:00:00 2001
From: germannj <jonathan.germann@outlook.com>
Date: Mon, 1 Feb 2016 08:57:45 +0100
Subject: [PATCH 2/3] use ternary as suggested by wesleycho

---
 src/typeahead/typeahead.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/typeahead/typeahead.js b/src/typeahead/typeahead.js
index 3c99b4a060..c2b34159b5 100644
--- a/src/typeahead/typeahead.js
+++ b/src/typeahead/typeahead.js
@@ -39,11 +39,7 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.debounce', 'ui.bootstrap
       minLength = 1;
     }
     originalScope.$watch(attrs.typeaheadMinLength, function (newVal) {
-        if (!newVal && newVal !== 0) {
-            minLength = 1;
-        } else {
-            minLength = newVal;
-        }
+        minLength = !newVal && newVal !== 0 ? 1 : newVal;
     });
     
     //minimal wait time after last character typed before typeahead kicks-in

From d6f0058aa513cb75fde1d0372f225842224c5151 Mon Sep 17 00:00:00 2001
From: Jonathan Germann <jonathan.germann@outlook.com>
Date: Wed, 3 Feb 2016 11:50:29 +0100
Subject: [PATCH 3/3] feat(typeahead): add test for changing min length

---
 src/typeahead/test/typeahead.spec.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/typeahead/test/typeahead.spec.js b/src/typeahead/test/typeahead.spec.js
index a6d7db188e..d15d1e9860 100644
--- a/src/typeahead/test/typeahead.spec.js
+++ b/src/typeahead/test/typeahead.spec.js
@@ -196,6 +196,24 @@ describe('typeahead tests', function() {
       expect(element).toBeClosed();
     });
 
+
+    it('should support changing min-length', function() {
+        $scope.typeAheadMinLength = 2;	
+        var element = prepareInputEl('<div><input ng-model="result" uib-typeahead="item for item in source | filter:$viewValue" typeahead-min-length="typeAheadMinLength"></div>');
+        changeInputValueTo(element, 'b');
+        expect(element).toBeClosed();
+        $scope.typeAheadMinLength = 0;
+        $scope.$digest();
+        changeInputValueTo(element, '');
+        expect(element).toBeOpenWithActive(3, 0);
+        $scope.typeAheadMinLength = 2;
+        $scope.$digest();
+        changeInputValueTo(element, 'b');
+        expect(element).toBeClosed();
+    });
+
+
+
     it('should support custom model selecting function', function() {
       $scope.updaterFn = function(selectedItem) {
         return 'prefix' + selectedItem;