Improved graceful handling of broken search when browsing locally

src/assets/javascripts/browser/request/index.ts

@@ -20,8 +20,9 @@
  * IN THE SOFTWARE.
  */
 
-import { Observable, from } from "rxjs"
+import { EMPTY, Observable, from } from "rxjs"
 import {
+  catchError,
   filter,
   map,
   shareReplay,
@@ -35,6 +36,9 @@ import {
 /**
  * Fetch the given URL
  *
+ * If the request fails (e.g. when dispatched from `file://` locations), the
+ * observable will complete without emitting a value.
+ *
  * @param url - Request URL
  * @param options - Options
  *
@@ -46,6 +50,7 @@ export function request(
   return from(fetch(`${url}`, options))
     .pipe(
       filter(res => res.status === 200),
+      catchError(() => EMPTY)
     )
 }