From 78a9998d3344d83a55a20dab9c705b8bd1606ca5 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@codecow.com>
Date: Sun, 9 Aug 2026 16:27:10 -0700
Subject: [PATCH] Post data parsing errors back to worker host if possible.

---
 src/lib/vault/vault-worker.ts | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/lib/vault/vault-worker.ts b/src/lib/vault/vault-worker.ts
index 6ca1568..95c5441 100644
--- a/src/lib/vault/vault-worker.ts
+++ b/src/lib/vault/vault-worker.ts
@@ -35,12 +35,24 @@ const listener = (event: MessageEvent<any>): void => {
 	BROWSER: if (taskUrl !== location.href) return
 	NODE: if (taskUrl !== dec.toString(threadId)) return
 	NODE: if (parentPort == null) return void setTimeout(() => listener(event), 0)
-	const action = parseAction(data)
-	const keySalt = parseKeySalt(action, data)
-	const type = parseType(action, data)
-	const id = parseId(action, data)
-	const iv = parseIv(action, data)
-	const parsed = parseData(action, data)
+	let action: ReturnType<typeof parseAction>
+	let keySalt: ArrayBuffer
+	let type: ReturnType<typeof parseType>
+	let id: UUID | undefined
+	let iv: ArrayBuffer | undefined
+	let parsed: ReturnType<typeof parseData>
+	try {
+		action = parseAction(data)
+		keySalt = parseKeySalt(action, data)
+		type = parseType(action, data)
+		id = parseId(action, data)
+		iv = parseIv(action, data)
+		parsed = parseData(action, data)
+	} catch (err) {
+		BROWSER: self.postMessage({ taskUrl, taskId, error: new Error('Failed to process Vault request', { cause: err }) })
+		NODE: parentPort?.postMessage({ data: { taskUrl, taskId, error: new Error('Failed to process Vault request', { cause: err }) } })
+		return
+	}
 	const { seed, mnemonicPhrase, mnemonicSalt, index, encrypted, message, timeout } = parsed
 	passkey(action, keySalt, data)
 		.then((key: CryptoKey | undefined): Promise<Record<string, boolean | number | ArrayBuffer> | void> => {
-- 
2.52.0