From 482f09afeed8c2e54e6b3e67690e0d941eef0a11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laura=20Kl=C3=BCnder?= <laura@codingcatgirl.de>
Date: Sat, 28 Oct 2017 16:12:18 +0200
Subject: [PATCH] don't match again if user input does no change anything

---
 src/c3nav/site/static/site/js/c3nav.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/c3nav/site/static/site/js/c3nav.js b/src/c3nav/site/static/site/js/c3nav.js
index 92b9a3be..ac380cae 100644
--- a/src/c3nav/site/static/site/js/c3nav.js
+++ b/src/c3nav/site/static/site/js/c3nav.js
@@ -13,6 +13,7 @@ c3nav = {
 
     init_typeahead: function () {
         c3nav.typeahead_locations = [];
+        c3nav._last_typeahead_words_key = null;
         $.getJSON('/api/locations/?searchable', function (data) {
             for (var i = 0; i < data.length; i++) {
                 var location = data[i];
@@ -37,6 +38,7 @@ c3nav = {
             val = $(this).val(),
             val_trimmed = $.trim(val),
             val_words = val_trimmed.toLowerCase().split(/\s+/),
+            val_words_key = ' '.join(val_words),
             $autocomplete = $('#autocomplete');
         $(this).parent().removeClass('selected').toggleClass('empty', (val === ''));
 
@@ -44,6 +46,9 @@ c3nav = {
             $autocomplete.html('');
             return;
         }
+        if (val_words_key === c3nav._last_typeahead_words_key) {
+            return;
+        }
 
         for (var i = 0; i < c3nav.typeahead_locations.length; i++) {
             var location = c3nav.typeahead_locations[i],