please do the same in the unstable channel to prevent initial confusion
Workaround
Use nodePackages_latest.typescript-language-server instead
Reproduce
Run in Shell on a node.js repl:
sed -i '/^channel/s/stable-\w*/unstable/' .replit
sed -i 's/-\([0-9]\{2\}\)_x/_\1/
/replitPackages.jest/d' replit.nix