Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

TypeScript implementation of debounce

An optimised way to copy'ing an object. A small and simple integration

A TypeScript string enum for compile-time safety when working with event.key

TypeScript package which smartly trims and strips indentation from multi-line strings

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript

Common functionality for ts-morph packages.

A TypeScript deep merge function.

A tool for migrating frontend application from JavaScript to TypeScript

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

Set of codemods, which are doing transformation of js/jsx to ts/tsx

A simple Typescript AST transformer for ts-jest, that mock import.meta expressions.

Protoc Plugin for TypeScript Declarations and Service Definitions

The `postinstall` script helper for handling native bindings in legacy `npm` versions

A typescript Map structure like ES6 Map

A TypeScript implementation of Rust's Result and Option objects.

TypeScript execution environment and REPL for node.js, with source map support

dictionary-compression helper for zxcvbn-ts language packages

TypeScript 類型工具庫：提供豐富的類型操作工具和重新導出的內建類型 / TypeScript type utility library: provides rich type manipulation utilities and re-exported built-in types

A resolver for `jest` that uses same strategy as TS when resolving files with JavaScript extension (".js").