fix(pwa): avoid crashing when SW is not available [LIBS-499] (#807)

* fix(pwa): avoid crashing when SW is not available * fix: prevent connection status errors in no-SW conditions
dhis2 · May 3, 2023 · b681022 · b681022
1 parent 0adae00
commit b681022
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/pwa/src/offline-interface/offline-interface.js b/pwa/src/offline-interface/offline-interface.js
@@ -79,6 +79,10 @@ export class OfflineInterface {
  }
 
  if (!testSWAvailable()) {
+ // Make this value available for ServerVersionProvider
+ this.ready = Promise.resolve()
+ // Must be connected if we can't use a SW for offline features
+ this.latestIsConnected = true
  return
  }
 
@@ -220,6 +224,10 @@ export class OfflineInterface {
  * @returns {Function} - An unsubscribe function
  */
  subscribeToDhis2ConnectionStatus({ onUpdate }) {
+ if (!testSWAvailable()) {
+ return () => undefined
+ }
+
  this.offlineEvents.on(swMsgs.dhis2ConnectionStatusUpdate, onUpdate)
  return () =>
  this.offlineEvents.off(swMsgs.dhis2ConnectionStatusUpdate, onUpdate)