When using an unsupported TypeScript version, the console gets spammed with warning messages

[j-f1]

What version of TypeScript are you using?
2.4.1

What version of typescript-eslint-parser are you using?
4.0.0

What code were you trying to parse?

A project with lots of files

What did you expect to happen?

=============

WARNING: You are currently running a version of TypeScript which is not officially supported by typescript-eslint-parser.

You may find that it works just fine, or you may not.

SUPPORTED TYPESCRIPT VERSIONS: ~2.3.2

YOUR TYPESCRIPT VERSION: 2.4.1

Please only submit bug reports when using the officially supported version.

=============

What happened?

=============

WARNING: You are currently running a version of TypeScript which is not officially supported by typescript-eslint-parser.

You may find that it works just fine, or you may not.

SUPPORTED TYPESCRIPT VERSIONS: ~2.3.2

YOUR TYPESCRIPT VERSION: 2.4.1

Please only submit bug reports when using the officially supported version.

=============
=============

WARNING: You are currently running a version of TypeScript which is not officially supported by typescript-eslint-parser.

You may find that it works just fine, or you may not.

SUPPORTED TYPESCRIPT VERSIONS: ~2.3.2

YOUR TYPESCRIPT VERSION: 2.4.1

Please only submit bug reports when using the officially supported version.

=============
=============

WARNING: You are currently running a version of TypeScript which is not officially supported by typescript-eslint-parser.

You may find that it works just fine, or you may not.

SUPPORTED TYPESCRIPT VERSIONS: ~2.3.2

YOUR TYPESCRIPT VERSION: 2.4.1

Please only submit bug reports when using the officially supported version.

=============

(You get the idea)

[soda0289]

This is very annoying and is caused by changes made to eslint 4.1. I think we might be able to move the warning message to a place that eslint does not call repeatedly or modify how eslint initializes parsers.

[OliverJAsh]

Btw you can now upgrade to v5 which has support for TS 2.4.