#434

frontend/src/lib/api.ts

@@ -219,7 +219,8 @@ export const startAPIDownload = (
     path: string,
     token: string,
     onError?: () => void,
-): void => {
+    query?: URLSearchParams,
+): (() => void) => {
   const frame = document.createElement ('iframe')
   frame.hidden = true
   frame.addEventListener ('load', () => {
@@ -231,8 +232,10 @@ export const startAPIDownload = (
     }
   })
   frame.addEventListener ('error', () => { onError?.(); frame.remove () })
-  frame.src = `${API_BASE_URL}${path}/files/${encodeURIComponent (token)}`
+  const suffix = query == null ? '' : `?${query.toString ()}`
+  frame.src = `${API_BASE_URL}${path}/files/${encodeURIComponent (token)}${suffix}`
   document.body.append (frame)
   // Attachments do not reliably fire load; keep this isolated from page navigation.
-  window.setTimeout (() => frame.remove (), 10 * 60_000)
+  const timer = window.setTimeout (() => frame.remove (), 10 * 60_000)
+  return () => { window.clearTimeout (timer); frame.remove () }
 }