typescript-optimization

pattycake

Zero-runtime pattern matching

hash-it

Hash any object type based on its values

pheno

Simple, lightweight at-runtime type checking functions, with full TypeScript support

proto-typescript

Utility types and implementations based on JavaScript prototypes.

photofinish

Benchmarking library for Node.js that emphasizes the convenience of use.

mini-typescript

A miniature model of the Typescript compiler, intended to teach the structure of the real Typescr...

pacote

A box of goodies, in TypeScript.

object-cache-graph-thing

A thing for making object traversals quicker

trpc-fastify-repro

thinking-in-types

TypeScript examples to build a mental model for types

js-is

Functions for testing the types of JavaScript values, cross-realm. Has testers for all standard b...

runtime-type-benchmarks

High Performance Validation Benchmarks for JavaScript

algos

💼 Each Friday a new Algorithm (Code + Explanation)

util

A useful collection of optimized utility functions for JavaScript and TypeScript

asymptotic-analyzer