Basic FS watcher for --load-mod mods #73
Merged
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Add a --watch command line flag to be used in tandem with --load-mod. Chokidar is used to detect file updates, and a page reload is triggered when there are any changes to watched mod files. Only mods loaded via --load-mod are affected.
This implementation has a minor issue with how cache is cleared - removing disk cache is a bit too aggressive - but the only alternative I could find is to use a non-persistent Electron session, which would get rid of disk cache entirely (this is not a concern).
The way watcher events are propagated is somewhat dirty (using an EventEmitter without any typings), but it's good enough in my opinion.