Object { _e: Error, name: "DatabaseClosedError", message: "InvalidStateError A mutation operation was attempted on a database that did not allow mutations.\n InvalidStateError: A mutation operation was attempted on a database that did not allow mutations.", inner: {…}, stack: "" }
Is it still needed in any build of any browser? IDB seems to be working for me in Firefox 127.0.2 and 115.12.0esr (GNU/Linux) in private browsing mode.
https://github.com/jakearchibald/idb/issues/81