Node robustness

Author: rsimon

packages/text-annotator-react/src/TextAnnotationPopup/isMobile.ts

@@ -1,7 +1,9 @@
 // https://stackoverflow.com/questions/21741841/detecting-ios-android-operating-system
 export const isMobile = () => {
+  if (typeof navigator === 'undefined') return false;
+
   // @ts-ignore
-  var userAgent: string = navigator?.userAgent || navigator?.vendor || window?.opera;
+  var userAgent: string = navigator.userAgent || navigator.vendor || window?.opera;
 
   if (/android/i.test(userAgent)) 
     return true;

packages/text-annotator/src/utils/device.ts

@@ -1,2 +1,3 @@
-// @ts-ignore
-export const isMac = /mac/i.test(navigator?.userAgentData ? navigator.userAgentData.platform : navigator?.platform);
+export const isMac = typeof navigator !== 'undefined' &&
+  // @ts-ignore
+  /mac/i.test(navigator.userAgentData ? navigator.userAgentData.platform : navigator.platform);