Microsoft just announced TypeScript 4.2 :
https://devblogs.microsoft.com/typescript/announcing-typescript-4-2/
Let's upgrade to it, but we need first @typescript-eslint/typescript-estree to support it, to prevent this warning :
WARNING: You are currently running a version of TypeScript which is not officially supported by @typescript-eslint/typescript-estree.
You may find that it works just fine, or you may not.
SUPPORTED TYPESCRIPT VERSIONS: >=3.3.1 <4.2.0
YOUR TYPESCRIPT VERSION: 4.2.2
Please only submit bug reports when using the officially supported version.
TypeScript 4.2 is currently supported by @typescript-eslint/typescript-estree
Related Commit: https://github.com/typescript-eslint/typescript-eslint/pull/3112
Supported Version: >= 4.16.0
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TypeScript 4.2is currently supported by@typescript-eslint/typescript-estreeRelated Commit: https://github.com/typescript-eslint/typescript-eslint/pull/3112
Supported Version: >= 4.16.0