I think one of the points that Substack reverse engineered how search works. They use this package https://github.com/TryGhost/sodo-search https://github.com/Tr

I think one of the points that Substack reverse engineered how search works. They use this package https://github.com/TryGhost/sodo-search https://github.com/TryGhost/sodo-search which does not have any docs.