As per nowadays trends, TypeScript is a smart language which can understand types of static code without explicit indication of type thanks to its type inference ability. Type inference is really one of the best thing about this language, I use it every day I write a code. And strongly

In TypeScript, enum can be represented in multiple forms: Numeric enums ("default")String enums (where key represents a literal string)Heterogeneous enums (mix of numbers and strings, some of them are computed in runtime)Among these multiple forms I believe string enums are the most used in web apps development

TypeScript 4.1 introduced an awesome concept of template literal types which allows us to parse literal types and extract their parts as types for further manipulations. The most prominent use case of this approach for frontend is to get types of parameters from URL path. ExtractRouteParams typetype ExtractRouteParams<

Concept of async / await keywords made code much more readable and maintainable in comparison of callback hell but still we need to handle errors for async operations. Usual try / catch blocks will make a code nested, create new closure making variables created inside inaccessible outside of try / catch. To avoid