The array was only used to create a key. Instead of allocating that first, just directly create the necessary string. PR-URL: https://github.com/nodejs/node/pull/20567 Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>