Posts where coc-tsserver has been mentioned. We have used some of these posts to build our list of alternatives and similar projects.
reddit.com/r/vim | 2021-01-14
I have no idea what do you mean by best, but you may want to try https://github.com/neoclide/coc-tsserver which is forked from vscode.
Basic coc-tsserver repo stats
2 days ago