From 52abdcf0caa0f25fad79417086942555d6db23ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89tienne=20Charignon?= <etienne.charignon@gmail.com>
Date: Sun, 11 Nov 2018 18:55:37 +0100
Subject: [PATCH] register for the hash change event instead of polling

---
 public/paysagerenderer/main.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/paysagerenderer/main.js b/public/paysagerenderer/main.js
index d1dca8f..988bd4f 100644
--- a/public/paysagerenderer/main.js
+++ b/public/paysagerenderer/main.js
@@ -46,7 +46,7 @@ var Paysage = window.Paysage || {};
     installResizeHandler();
 
     var urlHash = '';
-    setInterval(function () {
+    window.addEventListener('hashchange', function () {
       var newHash = window.location.hash;
       if (urlHash === newHash) {
         return;
@@ -55,7 +55,7 @@ var Paysage = window.Paysage || {};
 
       Paysage.readIdsFromUrlHash(urlHash);
       Paysage.filterCodeObjects(Object.keys(canvas), show, hide);
-    }, 200);
+    });
   };
 
   function show (id) {