[RFC] Rename directory option to tsconfigPath or project

[teoxoy]

Coming from dividab/tsconfig-paths#91, tsconfigPaths.loadConfig(path) accepts a file path too not only a directory.

I think the directory option should be renamed to something more descriptive. I have 2 alternatives in mind:

• tsconfigPath
• project - will keep things consistent with @typescript-eslint/parser (parserOptions.project) - but it's in no way as descriptive as tsconfigPath

This will be a breaking change!

[JounQin]

Let's waiting for the original issue first.

[teoxoy]

The conclusion of the original issue is that @typescript-eslint/parser will stick to using project.
Do we want to change directory to project?