src/components/announcements_page/announcements_page.js

@@ -35,7 +35,9 @@ const AnnouncementsPage = {
     canPostAnnouncement() {
       return (
         this.currentUser &&
-        this.currentUser.privileges.has('announcements_manage_announcements')
+        this.currentUser.privileges.has(
+          'announcements_manage_announcements',
+        )
       )
     },
   },

src/services/promise_interval/promise_interval.js

@@ -22,16 +22,21 @@ export const promiseInterval = (promiseCall, interval) => {
     window.clearTimeout(timeout)
   }
 
-  const loop = async () => {
-    while (!stopped) {
-      await promiseCall()
-      const { timeoutId, promise } = wait(interval)
-      timeout = timeoutId
-      await promise()
+  const loop = new Promise(async (resolve, reject) => {
+    try {
+      while (!stopped) {
+        await promiseCall()
+        const { timeoutId, promise } = wait(interval)
+        timeout = timeoutId
+        await promise()
+      }
+      resolve()
+    } catch (e) {
+      reject(e)
     }
-  }
+  })
 
-  loop().then()
+  loop.then()
 
   return { stop: stopFetcher }
 }