showConfig printing help if no config is found

[royAmmerschuber]

TypeScript Version: 3.8.0-dev.20191128

Search Terms:
showConfig

Example
when running the command tsc --showConfig in a folder without a tsconfig.json file it shows the help page

Expected behavior:
throw an error (for example: no config found) or return empty config (for example: {})

Actual behavior:
shows the standard help page from tsc -h, wich doesn't even contain any help for --showConfig.
Playground Link: None
Related Issues: None

[DanielRosenwasser]

Thanks @a-tarasyuk!