Typescript 4.1 Beta Brings Template Literal Types (Chrome PREMIUM)

: If a union of types is used within the template, TypeScript generates every possible combination of those strings.

The introduction of template literal types solved several long-standing type-safety challenges: TypeScript 4.1 beta brings template literal types

This "paper" explores the introduction and application of template literal types, a feature introduced in the TypeScript 4.1 beta that expanded the language's ability to manipulate strings within the type system. Overview of Template Literal Types : If a union of types is used

: When combined with conditional types and the infer keyword, template literal types can act as a simple parser, breaking down complex strings into their constituent parts for deep type inspection. Conclusion Documentation - Template Literal Types - TypeScript TypeScript 4.1 beta brings template literal types