How do you type a pipe() function that takes an infinite number of functions, where the output of function A must perfectly match the input of function B? Welcome to the final boss of TypeScript.
Pattern matching with infer isn’t just for Promises and Objects. You can deconstruct Tuples and Arrays element by element in Type Space, mirroring the exact syntax of JavaScript’s array destructuring and spread operators.
An exhaustive guide to typing collections in TypeScript. Learn the syntax differences between T[] and Array, union array typing precedence, labeled tuple elements, rest tuples, and why readonly arrays prevent array mutation bugs.
