From dfbe8a4796747b0a732f0eb322a37de99a2d2eb9 Mon Sep 17 00:00:00 2001
From: David Baker <dave@matrix.org>
Date: Tue, 25 Sep 2018 17:48:17 +0100
Subject: Return same promise if init() called many times

So we only init the library once.
---
 javascript/olm_suffix.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'javascript')

diff --git a/javascript/olm_suffix.js b/javascript/olm_suffix.js
index 023c0a5..ec0e39b 100644
--- a/javascript/olm_suffix.js
+++ b/javascript/olm_suffix.js
@@ -1,5 +1,8 @@
+var olmInitPromise;
+
 olm_exports['init'] = function() {
-    return new Promise(function(resolve, reject) {
+    if (olmInitPromise) return olmInitPromise;
+    olmInitPromise = new Promise(function(resolve, reject) {
         onInitSuccess = function() {
             resolve();
         };
@@ -8,6 +11,7 @@ olm_exports['init'] = function() {
         };
         Module();
     });
+    return olmInitPromise;
 };
 
 if (typeof(window) !== 'undefined') {
-- 
cgit v1.2.3