JSPM

Zaraz TS - A type-safe wrapper around the Cloudflare Zaraz Web API.

A library that allows you to generate mongoose schemas from zod objects.

A functional, type-safe utility library for elegant error handling and asynchronous operations in JavaScript/TypeScript.

Permix is a lightweight, framework-agnostic, type-safe permissions management library for JavaScript applications on the client and server sides.

Light, expressive and type-safe data validation in typescript

<img src="https://raw.githubusercontent.com/tuplescompany/crumbjs/refs/heads/main/logo/crumbjs.png" alt="CrumbJS Logo" width="200"/> - The tasty way to build fast apis.

~1kB Dependency Injection Library for Typescript and React with a unique async flow support

Parse CLI args with type safety.

Slonik tRPC loader

🔥 Write V9 like Firestore Admin code with extreme type safety.

A small and simple library for asserting argument are the correct types

Type safe data validation and sanitization

TypeScript decorators for clean, declarative API service definitions with Fetcher HTTP client. Enables automatic parameter binding, method mapping, and type-safe API interactions.

HTTP status codes as TypeScript const enum - zero bundle size, compile-time inlined values (TypeScript only)

modern, type-safe collection of utility functions

Type-safe, composable styling system for React, Vue, Svelte, and vanilla JS

A comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.

A utility for fetching valid ARIA roles dynamically, validating roles, and providing type-safe access to ARIA role names.

A TypeScript library for creating type-safe database schemas with Zod validation, SQL type definitions, and automatic client/server transformations. Unifies client, server, and database types through a single schema definition, with built-in support for r

XyPriss is a lightweight, TypeScript-first, open-source Node.js web framework crafted for developers seeking a familiar Express-like API without Express dependencies. It features built-in security middleware, a robust routing system, and performance optim

Magic RPC client for type-safe RPC calls

Drizzle ORM-first semantic layer with Cube.js compatibility. Type-safe analytics and dashboards with SQL injection protection.

A simple and efficient WebSocket router for Bun with Zod/Valibot message validation.

A modern, type-safe, and flexible HTTP framework for building scalable APIs with TypeScript

XyPriss Security is an advanced JavaScript security library designed for enterprise applications. It provides military-grade encryption, secure data structures, quantum-resistant cryptography, and comprehensive security utilities for modern web applicatio

Type-safe error handling library with error chaining, wrapping, and utilities inspired by Go

The modular and type-safe form library for Preact

perfect dxf parser

The last Svelte i18n library you'll ever need. Type-safe, AI-powered, zero-config.

A stateless TypeScript client for SAP B1 Service Layer Command API with comprehensive error handling, type safety, and batch operations

type-safe and headless builder for async component stack

A modern, type-safe HTTP client with middleware support for CSRF protection and authentication

A TypeScript-first Express.js router with automatic validation, typed middleware, and OpenAPI documentation generation

Type-safe, low-level wrapper for Firebase Firestore with enhanced validation and developer experience

Prisma generator that creates fully-featured ORPC routers with OpenAPI support, advanced middleware, and multi-runtime compatibility

Utility types and implementations based on JavaScript prototypes.

A comprehensive TypeScript utility library featuring fluent text building, type-safe switching, duration utilities, React hooks, and extended array/object prototypes for modern JavaScript development.

Contract-first type-safe HTTP client with Zod validation

Utils for creating data models in TypeScript.

A comprehensive, type-safe full-stack library for TypeScript/JavaScript applications. Provides server actions, API controllers, React hooks, error handling, and professional logging - all with complete type safety and inference.

A type-safe, React Query-powered client library for Hono applications with automatic hook generation and intelligent cache management

React Hook Form alternative - TypeScript-first useForm hook with enterprise-grade state management. Schema-agnostic validation (Zod, Yup, Valibot), minimal re-renders, advanced form controls.

A lightweight, type-safe logging wrapper around Pino, built by Vepler for modern TypeScript applications.

Parse shopify product csv

Best React Hook Form alternative - TypeScript-first form library with zero-boilerplate AutoForm and powerful useForm hook. Schema-first validation (Zod, Yup, Valibot), built-in components, enterprise-grade form state management.

Tiny type-safe event emitter for Node.js.

String interpolation with correct return type based on passed variable substitutions

A minimalist, type-safe mocking library for TypeScript. Expressive, framework-agnostic, and dependency-free.

A simple, type-safe form library for svelte remote forms.

Type safe data validation and sanitization for Koa

🚀 Fast CLI to create modern React 19 apps with TanStack Router, Hono API, TypeScript, and AI. Alternative to create-react-app with full-stack features.

MongoDB update `$set` operations

A modern TypeScript library for performing ICMP ping operations with type-safe results and fluent configuration.

Better TypeScript code in fewer lines.

A TypeScript utility library focused on deep operations for objects and arrays with full type safety. Similar to Lodash, but narrower in scope and fully written in TypeScript to maximize typing support.

The modular and type-safe form library for React

Delightful TypeScript patterns for elegant, type-safe applications

A lightweight React overlay management library with full TypeScript support

Type-safe wrapper for Notion SDK with database schema injection

Type-safe storage utilities with Zod validation for multiple storage backends (localStorage, AsyncStorage, etc.)

🔥 High Precision Typescript Wrapper for Firestore Web, Providing Unparalleled Type Safe and Dev Experience

A comprehensive TypeScript/JavaScript client library for EchoFi services with automatic gRPC-Web code generation, unified service access, and real-time WebSocket communication.

Create a type-safe proxy for accessing environment variables

Next.js library to bring full type-safety to Next.js

A zero-dependency, type-safe environment variable management library for TypeScript applications

Type-safe optional value representation.

Auto-generates fully typed useFetch composables for Nuxt 3/4 server endpoints with Zod validation and zero boilerplate

Framework-agnostic form validation engine - schema-first validation core for TypeScript applications. Supports Zod, Yup, Valibot and custom validators.

Type-safe Restate SDK wrapper with simplified API

A utility package for handling try-catch blocks in TypeScript.

Type-safe query keys for TanStack Query

Type-safe Express.js router with automatic client generation

Type-safe logging library for Bun with advanced TypeScript body intersection, modular sink pattern, transform streams, and immutable API design.

A structured approach to component composition, direct CSS-first prop styling, built-in theming, smart prop handling (including raw property pass-through), and dynamic children.

Safe-try is a Typescript type-safe error handling library for both sync and async operations

Unified TypeScript library for 9 popular APIs with consistent functional architecture

A type-safe event emitter for NestJS applications with strongly typed event handling

Type-safe RPC for NestJS — call Nest methods like local functions with zero boilerplate.

type-safe and headless async notification builder

useful typescript types

Singleton Manager is a package that provides a simple way to manage singletons in your application. It allows you to create, retrieve, and manage singletons with ease and type safety.

Strongly-typed deep and recursive object merging. Considers all nested levels of objects, arrays, sets and maps.

TypeScript library for type-safe and lossless encoding and manipulation of world currencies and precious metals

A type-safe, flexible enum factory for TypeScript with runtime validation and type inference

A type-safe wrapper for Tauri's invoke function

Type-safe RPC for NestJS — call Nest methods like local functions with zero boilerplate.

Typed Event Emitter is a TypeScript library that provides a strongly typed event emitter, allowing developers to define custom events with specific payloads, ensuring type safety and reducing runtime errors in event-driven applications.

A lightweight, type-safe TypeScript library for generating prefixed IDs with customizable options

Utils for building type-safe action pipelines with context and error handling.

A strictly typed & minimal RegExp wrapper.

O(1) type safe role based access control

Utils for type-safe error handling in TypeScript.

Type-safe nested object access and manipulation for TypeScript 🚀

Type-safe React Router 7 framework mode helpers with enhanced fetching, form submission, and state management

forked version of dxf-json

A simple TypeScript library providing type guards for the primitive types in JavaScript.

This package provides strongly typed PayloadCMS types, enhancing the type safety and validation of your PayloadCMS queries and operations. It allows you to perform type-safe selections, where clauses, sort operations, and CRUD operations with strong type

🚀 A modern, type-safe, and performance-optimized Google Analytics 4 (GA4) tracking library for React and Next.js applications. Features comprehensive ecommerce tracking, automatic event batching, SSR support, and production-ready error handling. Built wi

Type-safe internationalization tool for Next.js App Router with co-location and IDE code jumping

Validate anything simply and type-safely

Typesafe specialized enums for TypeScript - Smooth like butter

A TypeScript-first decorator library that simplifies Electron IPC communication with type safety and automatic proxy generation

practical functions and reusable configurations

Type-safe RPC library for building Model Context Protocol (MCP) servers

A type-safe RPC for all webextension, client side code does not contain the actual called code, supports async generator functions

A scalable and type-safe Electron IPC management tool with enhanced DX

A minimalist, type-safe, error-safe typed functions in 214 lines of TypeScript based on Zod v4. No batteries, just functions. Simple alternative to oRPC and tRPC.

A simple typesafe wrapper for RabbitMQ that simplies the config and management of RabbitMQ.

The type-safe Node.js and browser RPC library built on top of socket.io. Empowered with SOA governance and load balancing.

Type-safe, performant GunDB hooks for React/Preact with authentication, error handling, and debugging utilities

Javascript utilities

A type-safe groupBy function for TypeScript

Robust WebSocket utilities for Nostr applications with automatic reconnection, supporting both ESM and CommonJS. Features channel-based messaging, heartbeat monitoring, message queueing, and comprehensive error handling with type-safe handlers.

A utility library for creating type-safe Gulp plugins with streamlined error handling, file transformation, and TypeScript support

Ultra-type-safe TypeScript toolkit for building AI applications with Anthropic Claude

A simple, type-safe, and composable way to handle errors in TypeScript

Lightweight, type-safe request validation middleware for Express using Zod

A TypeScript library for typed attributes and modifiers with deterministic evaluation

XyPriss Security is an advanced JavaScript security library designed for enterprise applications. It provides military-grade encryption, secure data structures, quantum-resistant cryptography, and comprehensive security utilities for modern web applicatio

Simple data converter

A modern, type-safe, performance-optimized HTTP framework for building scalable APIs with TypeScript. Features parallel processing, smart caching, and intelligent plugin dependency resolution.

Tree shakable typebox helper utilities

A TypeScript library for creating type-safe Redux action creators and reducers with minimal boilerplate.

Nuxt module to define and easily consume your backend API in a validated and type-safe way using procedures and Zod schemas.

Functions for manipulating strings.

A comprehensive CLI tool for generating type-safe navigation helpers across modern web frameworks. Includes route analytics, performance analysis, validation, documentation generation, and migration assistance with full TypeScript support.

CLI for parsing and validating YINI config files: type-safe values, nested sections, comments, minimal syntax noise, and optional strict mode.

@jsonlee_12138/enum is a utility library for creating type-safe enums in TypeScript. It offers more powerful features than the built-in enum, including labels, extra metadata, and easy access to options and dict collections.

JavaScript/TypeScript 实用工具集合

Interactive CLI tool that generates type-safe TypeScript clients from MCP servers

React hooks for type-safe error handling with Result types. Stop throwing, start returning.

Type-safe route generation and navigation for Next.js App Router

Comprehensive DTO package for ServeMate restaurant management system. Includes type-safe DTOs with Zod validation for users, orders, payments, tables, and menu items management.

A blazing-fast, TypeScript-first Node.js framework with HTTP/2 support, file-based routing, powerful middleware system, and end-to-end type safety for building modern APIs.

Ultra-fast TypeScript-first schema validation with zero dependencies and 27+ language support

Minimal typed HTML templating helpers for Hono/Workers/HTMX. JSX-free, type-safe HTML generation with automatic escaping.

Type-safe React form to be used with Typescript

Tool interface for Agenite

Type-safe data mapper for TypeScript with zero runtime overhead

Type-safe utility collection for TypeScript projects

Turn your Zod schemas into configurable field arrays for easy integration with HTML, React, Vue, and more.

TypeScript type guard utilities providing runtime type checking and validation with zero dependencies

A type-safe marriage of `EventTarget` and `EventEmitter`.

Type-safe utility functions for JavaScript/TypeScript: string, array, object, date, validation, crypto, format, math

Type-safe JSON Schema specification library

Toolkit for building Solid/SolidStart apps.

A TypeScript library that implements Rust-like traits with compile-time type checking and runtime verification.

Tiny JS Type Checker Module for Node & Browser — Supports Stringified Types

Type-safe regular expression pattern builder for TypeScript with fluent API

Type-safe wrapper for JavaScript Object API with zero external dependencies

Type-safe, universal HTTP client for BlaizeJS APIs with automatic route inference, zero configuration, and support for browsers, Node.js, serverless, and edge environments.

🚀 Enterprise-grade RabbitMQ wrapper for Node.js & TypeScript - High-throughput messaging with automatic retry, DLQ, batch processing & graceful shutdown. Production-ready AMQP client with zero message loss guarantee.

[](https://www.npmjs.com/package/model-validator-ts)

A tiny TypeScript utility for parsing and validating environment variables using Zod.

A lenient XML stream parser for Node.js and browsers that can handle incomplete or malformed XML data, with depth control, CDATA support for XML serialization and round-trip parsing, wildcard pattern support for stopNodes, and CDATA handling within stopNo

Type-safe storage library with fallback values

A type-safe, modern, Gradle-inspired task runner.

A TypeScript Jira API client with dual ESM/CJS support for Jira REST API and Atlassian Forge applications. Zero runtime dependencies.

:rainbow: Simple and fast type safe server library.

Package for creating mongoose schemas out of Zod schemas for type safety, and removing duplicate effort.

A smart JSON parser and stringifier that automatically converts dates, numbers, and booleans to their proper types — with multiple build formats for Node.js and browsers.

TSdux utilities for Observables

A type-safe storage solution for localStorage and sessionStorage with built-in TypeScript support, ensuring robust and scalable browser data persistence.

Type-safe Redux utilities for TypeScript

TypeScript utilities for type-safe error handling and optional values

A lightweight TypeScript library for managing and organizing query keys for React Query projects, enabling consistent, type-safe key usage without extra dependencies.

Easily create a fully-typed Express JSON RPC API over HTTP. No code generation step required. Inspired by tRPC, but much simpler.

🚀 Instant type-safe mock APIs from your TypeScript types. Zero config, maximum productivity.

localStorage-based preference manager for web apps, userscripts etc

Type-safe wrapper for Node.js Worker Threads

The modular and type-safe schema library for transforming values

Type-safe reactive form builder for Svelte 5

TypeScript-first environment configuration with Zod validation, .env support, hot reloading, and startup validation. Zero-config setup - just install and use! Perfect for Node.js, AWS Lambda, and modern TypeScript applications.

Node.js fs and fs/promises wrapped in neverthrow Result types for type-safe error handling

A nested component Svelte 5 Runes pattern for structuring objects/arrays and their properties

A comprehensive TypeScript library for Chrome Extension API, providing type-safe wrappers and utilities for bookmarks, commands, context menus, cookies, downloads, storage, notifications, runtime, scripting, and side panel functionalities.

Type-safe Restana service with Zod validation and OpenAPI generation

type/data-centric schema library. A schema library empower you, not constrain you with their types messy types.

A Prisma-like, type-safe, and reactive ORM for IndexedDB. Say goodbye to callbacks and enjoy a modern developer experience in the browser

A lightweight JSON Schema validator generator that creates minimal TypeScript code and type definitions

A mini-ORM for localStorage with type safety and SQL-inspired API

A lightweight, type-safe dependency injection container for TypeScript.

A router based on parser combinators

mini-orm with full type support for postgres.

Type-safe MongoDB wrapper with Zod validation at runtime and compile-time.

A solution for type-safe IPC communication in Electron

A modern, type-safe REST API client builder for TypeScript/JavaScript applications with React hooks integration, automatic validation, and intelligent error handling.

Utils for type-safe function composition in TypeScript.

Enhanced promise type to be used with flow.js

一个基于 YAPI 的 TypeScript 接口代码生成工具，支持自动生成类型安全的 API 接口文件

Manage your environment variables with ease

Node Config Module

Enhanced async/await effects for TypeScript applications. Effectively provides resilient error handling, dependency injection, retry logic, timeouts, circuit breakers, and resource cleanup for Node.js and browser environments. Build testable async workflo

Strongly-typed function to get a nested & potentially null/undefined property value safely from an object

Node.js child_process wrapped in neverthrow Result types for type-safe error handling

Lightweight, type-safe router for JavaScript and TypeScript applications with parameterized routes support

Type-safe event handling with runtime validation using guardz for unsafe data from 3rd parties

Option/Maybe type to be used with flow.js

Type-safe TSX runner with automatic Type-checking

A functional TypeScript/JavaScript component library with composable architecture based on Material Design 3

A type-safe API mocking tool for frontend development, powered by axios and Zod.

🔥Surgical Precision Type Safe For Realtime Database Web, Write RTDB Code That Stand The Test Of Time

A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.

A type safe translator that knows what to say and how to handle the rest. Supports custom messages, rich replacements, and async loading.

Simple type-safe actions

Minimal, type-safe CLI framework for Bun

a lightweight, hook-based modal management library for React. It leverages React Context and custom hooks to offer an intuitive, type-safe API for handling multiple modals—making it easy to show, hide, update, and persist modal state across your app.

Type-safe utilities for working in TypeScript. For example, a type-safe property path type, deep partial type, etc.

A highly typed, provider-agnostic analytics library for TypeScript applications

A type-safe string templating library for TypeScript

A strict TypeScript-only utility to check if a number is odd, with modern type safety.

Type-safe Express route handlers based on OpenAPI schemas

Disposiq is a utility collection of Dispose pattern

A strongly-typed Express router with Zod validation and automatic type inference for params, body, query, and middleware

type operation utilities.

A TypeScript and React library for providing type-safe internationalization messages.

TypeScript SDK for the Pinarkive API v2.1 - Full type safety for IPFS file management with directory DAG uploads, file renaming, and enhanced API key management. Perfect for TypeScript projects requiring compile-time type checking.

Type-safe environment variable parser with validation and error handling for Node.js and React Native

A lightweight, type-safe browser storage wrapper for localStorage and sessionStorage with namespace support and type checking.

Transform Prisma schemas to TypeORM entities with NestJS integration and fast pg-mem testing

client that connect http framework in phecda-server

A lightweight, type-safe RPC library for TypeScript with Zod validation

🔥 High Precision Typescript Wrapper for Firestore React Native, Providing Unparalleled Type Safe and Dev Experience

High-performance event system for React applications and services. Features type-safe event handling, automatic cleanup, real-time monitoring, and service integration.

A powerful and flexible configuration management library for NestJS applications. Supports JSON, YAML file loading, environment variable overrides, immutable configurations, and type-safe configuration access with dependency injection.

Type safe existential property access using ES6 proxies

Convert numbers to words in any language.

Comprehensive TypeScript Types Library for Electronic Medical Record (EMR) Applications - Domain-Driven Design with Zod Validation

A modern TypeScript query string parser and stringifier with enhanced type safety and additional features

A utility to convert Prisma schemas to Zod schemas.

The core engine for Nexus, a type-safe, default-safe, cross-context communication framework.

一个基于 YAPI 的 TypeScript 接口代码生成工具，支持自动生成类型安全的 API 接口文件

Generic type guard to check if a given value is a member of enum

TypeScript client for Typsio, a RPC library based on socket.io.

Javascript (and Typescript) valibot number schemas

Framework-agnostic, lightweight router.

Rust's Result type for type-safe error handling in TypeScript.

A type-safe event emitter for TypeScript with priority-based listeners, sequential/parallel execution strategies, and memory leak detection

An Astro integration that allows for creating type-safe server endpoints.

TypeScript SQL query parser with compile-time column type extraction

CLI para integração entre Swagger e Axios

A minimal TypeScript event bus: subscribe(Class, handler), async delivery, dead events, and polymorphic dispatch.

route type safe for page location with pathname, query, hash, state

A mini-ORM for localStorage with type safety and SQL-inspired API

A type-safe set of utilities that focuses on reducing the amount of test code that you write while maximizing coverage. Compatible with BDD testing frameworks like Jasmine and Mocha.

Type-safe environment variable management for TypeScript applications

Type-safe schema validation library with zero dependencies

Type-safe fragment masking plugin for GraphQL Code Generator, providing helper functions for managing GraphQL fragments with enhanced type safety and customizable configurations.

Simple, type-safe immutable data structure for Typescript

Type-safe cache key generation with zero dependencies