From 90f15b798511e2404dc379319943fc16a1cc39e7 Mon Sep 17 00:00:00 2001
From: Florian Mounier <florian.mounier@kozea.fr>
Date: Thu, 1 Dec 2016 11:24:46 +0100
Subject: [PATCH] Allows server-side rendering

---
 src/ReactAddToCalendar.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/ReactAddToCalendar.js b/src/ReactAddToCalendar.js
index eb5488b..a7a08ad 100644
--- a/src/ReactAddToCalendar.js
+++ b/src/ReactAddToCalendar.js
@@ -10,7 +10,6 @@ export default class ReactAddToCalendar extends React.Component {
 		super(props);
 
 		this.state = {
-			componentId: 'addToCalendar-' + helpers.getRandomKey(),
 			optionsOpen: false,
             isCrappyIE: false
 		};
@@ -21,7 +20,7 @@ export default class ReactAddToCalendar extends React.Component {
 
 	componentWillMount() {
         let isCrappyIE = false;
-        if (window.navigator.msSaveOrOpenBlob && window.Blob) {
+        if (typeof window !== 'undefined' && window.navigator.msSaveOrOpenBlob && window.Blob) {
             isCrappyIE = true;
         }
 
@@ -123,7 +122,7 @@ export default class ReactAddToCalendar extends React.Component {
 
         return (
             <div className={this.props.buttonWrapperClass}>
-                <a id={this.state.componentId} className={buttonClass}
+                <a className={buttonClass}
                     onClick={this.toggleCalendarDropdown}>{buttonLabel}</a>
             </div>
         );