Cannot reference postMessage id on error in web workers

Perhaps I am just missing it, but there doesn't seem to be a way to trace an error back to the message posted in web workers. For example, if:

this.webWorkerCatalogSQLiteDB.postMessage({ id: id, action: 'exec', sql: queryStr });

Results in an error, this gets handled in
this.webWorkerCatalogSQLiteDB.onerror = (error)=> { //TODO };

However, the error object returned doesn't seem to have any reference to the id of the message posted, unlike the success message, which has an event.data.id that references back.

Any advice?

Start with the web worker postMessage call and the onerror handler shown in the issue, then inspect how success events expose event.data.id. Determine whether the worker error path can retain or expose the posted message id; done would be a documented or implemented way to correlate errors with messages.