From f1539ad181c15678302f45d2f45274a37391abaa Mon Sep 17 00:00:00 2001
From: Joe Ibershoff <joe@ibershoff.com>
Date: Wed, 29 Apr 2015 20:26:56 -0400
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, 14 insertions(+), 2 deletions(-)

diff --git a/src/typeahead/test/typeahead.spec.js b/src/typeahead/test/typeahead.spec.js
index 741621e65c..a86dcedd7e 100644
--- a/src/typeahead/test/typeahead.spec.js
+++ b/src/typeahead/test/typeahead.spec.js
@@ -842,4 +842,13 @@ describe('typeahead tests', function () {
     expect($scope.select_count).toEqual(1);
   });
 
+  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);
+    });
+  });
+
 });
diff --git a/src/typeahead/typeahead.js b/src/typeahead/typeahead.js
index 1fe28401ab..f4cee902ca 100644
--- a/src/typeahead/typeahead.js
+++ b/src/typeahead/typeahead.js
@@ -41,7 +41,10 @@ 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);
+      if (!minSearch && minSearch !== 0) {
+        minSearch = 1;
+      }
 
       //minimal wait time after last character typed before typeahead kicks-in
       var waitTime = originalScope.$eval(attrs.typeaheadWaitMs) || 0;
@@ -193,7 +196,7 @@ 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) {
             cancelPreviousTimeout();
             scheduleSearchWithTimeout(inputValue);

From 95334ba70fe7dda6966c4c52fc4b17bb33b09aca Mon Sep 17 00:00:00 2001
From: Joe Ibershoff <joe@ibershoff.com>
Date: Thu, 30 Apr 2015 09:17:51 -0400
Subject: [PATCH 2/2] feat(typeahead): handles min-length of 0 (variable
 cleanup)

---
 src/typeahead/typeahead.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/typeahead/typeahead.js b/src/typeahead/typeahead.js
index f4cee902ca..dba444dcf1 100644
--- a/src/typeahead/typeahead.js
+++ b/src/typeahead/typeahead.js
@@ -41,9 +41,9 @@ 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.$eval(attrs.typeaheadMinLength);
-      if (!minSearch && minSearch !== 0) {
-        minSearch = 1;
+      var minLength = originalScope.$eval(attrs.typeaheadMinLength);
+      if (!minLength && minLength !== 0) {
+        minLength = 1;
       }
 
       //minimal wait time after last character typed before typeahead kicks-in
@@ -196,7 +196,7 @@ angular.module('ui.bootstrap.typeahead', ['ui.bootstrap.position', 'ui.bootstrap
 
         hasFocus = true;
 
-        if (minSearch === 0 || inputValue && inputValue.length >= minSearch) {
+        if (minLength === 0 || inputValue && inputValue.length >= minLength) {
           if (waitTime > 0) {
             cancelPreviousTimeout();
             scheduleSearchWithTimeout(inputValue);