I need to learn about TypeScript Template Literal Types

• TypeScript

  1,305 98,060 9.9 TypeScript

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

  

The PR where Template Literal Types looked cool when I first read it, and people got pretty excited! Then the TypeScript 4.1 Beta release notes came out, so I'm going to go through that first.

• awesome-template-literal-types

  3 1,133 5.6 Dockerfile

  Curated list of awesome Template Literal Types examples

Grégory Houllier collected some of these examples into one place, so I can see how they work by looking at the implementations!

• SurveyJS

  surveyjs.io featured

  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.

  

• json-parser-in-typescript-very-bad-idea-please-dont-use

  4 431 0.0 TypeScript

  JSON Parser written entirely in TypeScript's type system

The next examples get progressively more bonkers, so I'm not going to write down all my thinking about them - you should check them out though and see if you can see how they work. The JSON parser is probably the best mix of complex and readable.

• tsquery

  1 956 5.5 TypeScript

  TypeScript AST query library

1) I should definitely use this for TSQuery 2) TypeScript is probably going to need new syntax for types soon because stuff like:

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