ReSharper by Language: TypeScript
warning
Starting from ReSharper 2022.2, active development of productivity features for JavaScript, TypeScript, JSON, CSS, and Protobuf is suspended, and these features are disabled by default. To enable them, select the corresponding checkboxes on the Alt+R, O: JavaScript and TypeScript, CSS Language, and Protobuf.
page of ReSharper options
note
If TypeScript version is auto-detected, which it is by default, and there are several projects with different TypeScript versions in your solution, ReSharper will use the highest version for the whole solution.