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fix(server): serve cached index.html in SPA catch-all to prevent 500

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res.sendFile can emit NotFoundError from the send module in certain
path resolution scenarios, causing 500s on company-scoped SPA routes.
Cache index.html at startup and serve it directly, which is both
more reliable and faster.

Fixes #233

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Matt Van Horn
2026-03-07 16:20:19 -08:00
parent 63a876ca3c
commit 0f32fffe79
1 changed files with 2 additions and 1 deletions
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3
server/src/app.ts
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@@ -134,9 +134,10 @@ export async function createApp(
]; ];
const uiDist = candidates.find((p) => fs.existsSync(path.join(p, "index.html"))); const uiDist = candidates.find((p) => fs.existsSync(path.join(p, "index.html")));
if (uiDist) { if (uiDist) {
const indexHtml = fs.readFileSync(path.join(uiDist, "index.html"), "utf-8");
app.use(express.static(uiDist)); app.use(express.static(uiDist));
app.get(/.*/, (_req, res) => { app.get(/.*/, (_req, res) => {
res.sendFile("index.html", { root: uiDist }); res.status(200).set("Content-Type", "text/html").end(indexHtml);
}); });
} else { } else {
console.warn("[paperclip] UI dist not found; running in API-only mode"); console.warn("[paperclip] UI dist not found; running in API-only mode");