From 100cf72b346ad90d4fbfcd718ea19e622881a154 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Fri, 10 Nov 2017 11:37:04 -0500
Subject: handle saves

---
 htdocs/js/mathy.js | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'htdocs/js')

diff --git a/htdocs/js/mathy.js b/htdocs/js/mathy.js
index 7acd7ab..edbb17a 100644
--- a/htdocs/js/mathy.js
+++ b/htdocs/js/mathy.js
@@ -211,7 +211,7 @@ jQuery(function($) {
       return false;
 
     // build sortable name
-    var sort = name
+    var sortable_name = name
       .replace(/\s+/g, ' ')
       .replace(/^\s+|\s+$/g, '')
       .toLowerCase();
@@ -221,20 +221,25 @@ jQuery(function($) {
     saves = saves ? JSON.parse(saves) : [];
 
     if ($.grep(saves, function(row) {
-      return row.save == sort;
+      return row.sort == sortable_name;
     }).length > 0) {
       if (!confirm("Replace existing \"" + name + " \"?"))
         return false;
     }
 
+    // exclude duplicates
+    saves = $.grep(saves, function(row) {
+      return row.sort != sortable_name;
+    });
+
     // append to results
     saves.push({
       name: name,
-      sort: sort,
+      sort: sortable_name,
       text: editor.getValue(),
     });
 
-    // write saves
+    // write sorted saves
     localStorage.setItem('mathy_saves', JSON.stringify(saves.sort(function(a, b) {
         return b.sort < a.sort;
     })));
-- 
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