Merged preview extension

[thomaskoppelaar]

I've created a very simple way of caching (aka: just storing the result whenever we call the function) the notefiles.
This gets used by the renderer in order to either:

1. Use the (first) found link from the cache
2. Create a new (relative) link from the given wikilink.

This is all very cruddy and could definitely use improvement, but it works.

[kortina]

Inside activate, I think we will need to do implement the following:

vscode.workspace.onDidCreateFiles((e: vscode.FileCreateEvent) => {
   // 1. implement this func
   // 2. insure document property of e exists
   for f in e.files: ReadonlyArray<Uri> ...
   NoteWorkspace.addFileToCache(f);
});
vscode.workspace.onDidDeleteFiles((e: vscode.FileCreateEvent) => {
   // 1. implement this func
   // 2. check the types of FileDeleteEvent properties
   for f in e.files: ReadonlyArray<Uri> ...
   NoteWorkspace.removeFileFromCache(f);
});
vscode.workspace.onDidRenameFiles((e: vscode.FileCreateEvent) => {
   // 1. implement this func
   // 2. insure document property of e exists
   files: ReadonlyArray<{newUri: Uri, oldUri: Uri}>
   NoteWorkspace.addFileToCache(f.newUri);
   NoteWorkspace.removeFileFromCache(f.oldUri);
});

See: https://code.visualstudio.com/api/references/vscode-api for how these apis work.

Also, please double check for other events we might need to look into.

[thomaskoppelaar]

Yeah, About the caching: It's quite terrible right now, with me just saving the results from noteFiles() everytime it gets called. I'll be quite honest - I've got no idea what I'm doing when it comes to this particular part of the code, so it might be better if you take a look at this yourself?

[thomaskoppelaar]

As in: create a proper cache, rather than the current "just save it to an object every time" implementation.

[kortina]

Should this be a separate repo, or should some of this code be moved in as well?

[thomaskoppelaar]

I believe it's best to keep this separate - We can override practically all settings / functions from within require('@thomaskoppelaar/markdown-it-wikilinks')({}), and people may want to use this themselves for exporting / rendering for their own personal use cases.