There was a GitHub org of “maintainers who want to maintain deaf projects” and had a formal adoption/governance process as well. I don’t remember if it catered to JS, but I can’t find it right now.
https://adoptoposs.org/ is the next best thing to announce and find more maintainers. The announcement blog post has a few more links that might be of interest to you: https://betterprogramming.pub/how-to-keep-open-source-softwa...