Convert a single-file Tiddlywiki to a folder for use with NodeJS locally

I've downloaded a tiddlywiki.html file, which I want to host locally with NodeJS for personal use. How do I do that?

I tried tiddlywiki --load, but it exited successfully without appearing to do anything.

You need to use the --savewikifolder command to actually save the wiki, in addition to the --load command to load the HTML file:

tiddlywiki --load ~/Downloads/tiddywiki.html --savewikifolder converted_wiki

This can then be run with --listen to serve the wiki locally:

tiddlywiki converted_wiki --listen

In my case, this produced the following warning:

Warning: Plugins required for client-server operation ("tiddlywiki/filesystem" and "tiddlywiki/tiddlyweb") are missing from tiddlywiki.info file

Which I fixed by adding those two plugins to the generated tiddywiki.info file:

{
    "plugins": [
        "tiddlywiki/tiddlyweb",
        "tiddlywiki/filesystem",
        ...