Why doesn't TypeScript properly type Object.keys?

• TypeScript

  1,305 97,944 9.9 TypeScript

  TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  

While I understand the motivation for this design, I do feel in practice it ends up being one of the biggest pain points in TS. In reality, you very often know exactly which keys will be present. Those cases require a great deal of ceremony and/or casting. If some version of the Exact types proposal were implemented, IMO it would be the biggest feature in years.

• proposal-record-tuple

  73 2,423 2.7 HTML

  ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!

  

I suspect considering the strong desire to maintain consistency with JavaScript, we will eventually see something that when the Record proposal passes through tc39

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

Suggest a related project