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fix: make the progress export actually reach the disk

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Export is the whole of this app's backup story. Progress, streaks, ignores and
every game and event the reader typed in live in one browser and nowhere else —
no account, no server, nothing to restore from — so the download either happens
or the data was never backed up.

Two things made it a coin toss. The anchor was never in the document, which is
not reliably clickable, and the object URL was revoked in the same task as the
click, which can pull the blob away before the download has read it. Both fail
silently and look exactly like a successful export.

Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
This commit is contained in:
Lucas Winther
2026-08-20 06:14:12 +02:00
co-authored by Claude Opus 5
parent 1e7a7abc64
commit 14f6f2f0dc
1 changed files with 10 additions and 1 deletions
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src/client/App.tsx
+10 -1
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@@ -866,8 +866,17 @@ function exportProgress(
const a = document.createElement("a"); const a = document.createElement("a");
a.href = url; a.href = url;
a.download = `event-clock-progress-${new Date().toISOString().slice(0, 10)}.json`; a.download = `event-clock-progress-${new Date().toISOString().slice(0, 10)}.json`;
// In the document, and revoked on a later task. This is the only copy of
// everything the reader typed, ticked and marked — there is no account and no
// server that has ever seen it — so a download that quietly does not happen is
// the lossy backup this function exists to prevent. A detached anchor is not
// reliably clickable, and revoking the URL in the same task can pull the blob
// out from under a download that had not started reading it yet.
a.style.display = "none";
document.body.append(a);
a.click(); a.click();
URL.revokeObjectURL(url); a.remove();
setTimeout(() => URL.revokeObjectURL(url), 0);
} }
async function importProgress( async function importProgress(