JSPM

Promises with the resolve and reject functions exposed

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

ES2015 to CommonJS import/export transformer

Transforms a project that uses CommonJS to ES Modules.

OpenAPI schema generator and validator for Cloudflare Workers

🐊Putout plugin improves code related to generators

parse and handle import/export for browserify

ESLint plugin that ensures non-index filenames match to at least one named export.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A utility library for creating Node loader hooks

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Fetch the current file and directory path, no matter your environment (Deno, Node.js, Web Browsers, ESM, CJS)

🚀 lightweight TypeScript abstract logger • level based filtering and optional tagging • supports both ESM & CJS

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Easy __dirname and __filename alternatives for ES Modules

🐊Putout plugin helps with labels

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A CLI and equivalent JS API to find unused ECMAScript module exports in a project.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A simple tool that add package.json({"type":"commonjs"/"module"}) to TypeScript outDir for dual package.

Calculates unsigned CRC32. Optimized Cycle Redundancy Check.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Generates a random phone number following the E.164 international standard

Dev server plugin for using storybook with es modules.

A modern, fast, RFC 4180 compliant parser for JS

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Utilities for resolving and mapping files.

Storybook framework for `@web/storybook-builder` + Web Components

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A collection of node modules re-exported as ES Modules

Node.js loader for import specifiers as file paths without extensions or as directory paths

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

🐷 Poku makes testing easy for Node.js, Bun, Deno, and you at the same time.

Types, utilities and base class for custom loaders.

A utility library for promises, support both esm and commonjs

Loader that transpiles typescript modules using esbuild.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

🐊Putout plugin improves ability to transform ESM code

Official Ipregistry Javascript Library.

A tool that can transform CommonJS to ESM

ESLint plugin that enforces imports to follow native ESM resolution

vite for qiankun

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Build ES module to CommonJs module for Node.js/Electron

LINQ ported to TypeScript

A Babel plugin that converts AMD modules to ES modules

Node.js tool for updating your ES module and CommonJS specifiers.

Chainable ESModule Loader for Typescript

Applies the TypeScript compiler during Vite transform build phase.

Modern middleware with promises and status

A quick and light esm / node module to look up state city or zips to get either.

TypeScript dual packages.

Bridge the gap between ES modules and CommonJS modules with an easy-to-use alternative to `tsc`.

A TypeScript library for handling WOFF2 encoding using WebAssembly

Chainable ESModule Loader for CSS and Preprocessors

A cross-platform, partial implementation shim of Node Buffer.

Gold-standard build tool for TypeScript libraries

Build Tool for Browser and Node Applications

An implementation of the Node.js module resolution algorithm.

A webpack plugin that changes the output to be an ESM library

ES module distribution for Stdlib, a standard library for JavaScript and Node.js.

Shim for `import.meta.resolve`

Zero dependencies Query Builder for Cloudflare Workers

README.md

Wdio Service to inject result of automatic test run in Azure DevOps TestPlan

Azure DevOps Test Reporter to inject result of automatic test run in Azure DevOps TestPlan

Detect the module type of a running Node.js file.

A cross-browser ponyfill or polyfill for showOpenFilePicker

You can import prismjs/components without considering language dependencies.

Alpaca Headless

Handy dayjs(2KB immutable date library alternative to Moment.js) filters and directives for Vue.js

Alpaca Headless

A customizable and accessible select component with search functionality built with Lit

Error handling for Gulp plugins with ESM support

Vue imge placeholder directive for broken images.

ESM loader to transform imports using ESBuild

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

ESM/CJS module that easily converts JSON to CSV. This package supports streaming and buffered conversion to CSV.

A tiny (25 bytes) Promise wrapper around setTimeout

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Fancy colorful console debugger with custom scope written in tiny TypeScript, ES module.

Gulp plugin for stylelint with ES module support.

Modular testing for JavaScript

libSQL Wasm packaged as an ES module.

Add an extension to import specifiers that do not already have one, replace the extensions of those that do, or even rewrite specifiers entirely

A lightweight, security-first logging utility with automatic data redaction for Node.js applications - the first logging library with built-in PII protection.

The vlt CLI

A GraphQL client for React using modern context and hooks APIs that’s lightweight (< 4 kB) but powerful; the first Relay and Apollo alternative with server side rendering.

A ES6 class for node-canvas with built-in functions and chained methods.

Fancy colorful console debugger with custom scope written in tiny TypeScript, ES module.

Lightweight, Material Design inspired button for scroll-to-top of the page. No dependencies. Pure Angular!

An [`element-vir`](https://npmjs.com/package/element-vir) drop-in element for building, testing, and demonstrating a collection of elements (or, in other words, a design system).

Tool to convert Commonjs files into ESM

A serverless plugin that will fix the problem of AWS-Layers not working with ES Modules (ESM .mjs)

Gulp plugin for Rollup JavaScript Module Bundler

A modern 3D viewer framework built on top of three.js, written in TypeScript, designed to make creating high-quality, modular, and extensible 3D experiences on the web simple and enjoyable.

Transform global variables in JavaScript

Babel plugin to rewrite bare imports for browser use.

Paydock client sdk

[](https://www.npmjs.com/package/@2bad/tsfix) [](https://www.npmjs.com/package/@2bad/tsfix) [![GitHub Build Status](https://img.shields.io/github/a

Create a blank free and open Node.js ESM project

Miscellaneous functions for working with Uint8Arrays

Convert HEX/HEXa/aHEX with alpha to RGBa and back

This module provides a way to detect the current platform where the script is running. It defines a constant `platformInfo` which holds the information about the current platform.

Publish project as dual ES modules and CommonJS package

A Next.js App or page decorator, React context object, and React hook to access Node.js HTTP server context when rendering components.

A lightweight Jest runner creator

A collection of utility classes, functions and decorators for javascript/typescript projects, for use in the browser.

Wrap the whole script in a function — export as CommonJS, ES Modules, IIFE, or a global variable

Argon2 ESM for browser

A babel plugin to fix the default import interoperability issue in Node.js

esbuild plugin for loading import maps from a Eik server and applying the mapping to ECMAScript modules in preparation for upload to the same server.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A library to simplify the creation and manipulation of Node.js streams, providing utilities for handling transform, duplex, and readable/writable streams effectively in TypeScript.

String.prototype.includes() but using localeCompare.

Javascript implementation of WASI for Node.js and the Browser.

A fast and modern bundler for Node.js and TypeScript.

A solution to import files on the module and commonjs at the same time

A simple CLI to run Node.js and report code coverage.

Rollup plugin for loading import maps from a Eik server and applying the mapping to ECMAScript modules in preparation for upload to the same server.

dual-publish plugin for Size Limit

Base64 encoding and decoding for both browser and node, with binary file support.

ESLint plugin which enforces explicit .js extensions in local imports while leveraging import resolvers.

Zero-dependency templating library for modern JavaScript - HTML, CSS, SQL, Markdown and more

Typescript + ESM version of punycode.js

Fishbird is a simple, lightweight, and fast Promise utility library

Asynchronously creates a disposable directory in the OS temporary directory that gets deleted after the callback is done or errors.

CommonJS version of lowdb 3.0.0. See https://github.com/mifi/commonify

This is an example TypeScript Package ready to be published on npm. It has been set up with automated tests and package publishing workflow using GitHub Actions CI/CD. It is made primarily for GitHub + VS Code (Windows / Mac / Linux) users who are about t

A code formatter for Lua (ESM/CJS fork)

A webpack-like loader for Node

Verify that file or package, be it remote, or local, is a valid ECMAScript Module

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Super-fast on-the-fly transpilation of modern JS, TypeScript and JSX using esbuild

Quickly attach multiple ESM Loaders and/or --require hooks together

A modern, free, lightweight npm package for translating react apps (component wrapper.) No API keys or language list files are required.

NPM Sentinel MCP - A powerful Model Context Protocol (MCP) server that revolutionizes NPM package analysis through AI. Built to integrate with Claude and Anthropic AI, it provides real-time intelligence on package security, dependencies, and performance.

Renders nested React components with asynchronous cached loading; useful for GraphQL clients and server side rendering.

Use vue/react to develop 'vscode extension webview', supporting esm/cjs

tiny and simple-to-use Javascript / TypeScript QR-Code generator library. Fully type-safe and esm module compatible

Example code for using using ts-node/esm

Chainable ESModule Loader for Images

Polyfills for ESM like __dirname, __filename, etc

Zero-dependency isomorphic routing library for modern JavaScript - Server and CLI routing

Execute a callback when the process exits, passing the exit code (ESM/CJS)

Modern conventional-changelog parser with ES modules and TypeScript support

TypeScript workflow engine for conversational/automation apps: multi-flow orchestration, interrupt/resume, stack-based control, robust errors, and flexible tool/REST integration.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

🔐 Modern TypeScript ACME client & CLI for Let's Encrypt certificates. Supports DNS-01/HTTP-01 validation, wildcard domains, EAB (ZeroSSL/Google), nonce pooling. RFC 8555 compliant. Node.js 20+

Modernizr tests as ES Modules.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

The minimalist TypeScript script runner for Node

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A cli utility that compile using tsc then add .js extension to esm import names

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A vCard v4 parser with type safety first

ESM front-end to 7-Zip, featuring alternative full 7z CLI tools, binaries for Linux, Windows, Mac OSX, seamlessly create 7zip SFX self extracting archives targeting different platforms.

Tiny local JSON database for Node, Electron and the browser

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XYO TypeScript/JavaScript libraries that access Mongo DB

use-m: dynamically import any JavaScript module

Rust Execute (rscute): Run TypeScript (ESM・CJS) in memory with SWC

Limit the complexity of your GraphQL queries based on depth.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Transforms TypeScript imports and exports into ESM-compatible declarations.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Compile an ES Module for release on npm

A simple multipart/form-data parser for web streams

WebGi - Realistic Rendering Plugins for ThreePipe.

SDK for base code for Api repos that use express and deploy on AWS ECS

Tiny local JSON database for Node, Electron and the browser

ESM Plugin for PostHTML

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

⚒️ Lou's Code curried functional utils

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Lib do VLibras para usar em seus projetos React

Natural sort algorithm

Fastify plugin that will set-up routes with security & json validation based on OpenAPI specification

A modern TypeScript email library with zero dependencies, supporting multiple providers including AWS SES, Resend, MailCrab, and HTTP APIs

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

The Athenna common helpers to use in any Node.js ESM project.

A modern, feature-rich PDF generation library for Node.js with TypeScript support. Convert HTML to PDF with Handlebars templates, buffers, and streams.

A polyfill for `Object.hasOwn`.

Middleware and an Upload scalar to add support for GraphQL multipart requests (file uploads via queries and mutations) to various Node.js GraphQL servers. With CommonJS support

ESM shim for localforage

ECMAScript module utilities

The module has JS functions to check all imports or required modules and check if the file is a ES Module or a CJS/ JS Module or Script

A flexible find-up implementation supporting string, RegExp, CJS/ESM dual build, and custom matcher.

ESLint configuration for ES6+ projects based on XO

SQLite Wasm conveniently wrapped as an ES Module.

parser for esm like imports

The module has JS functions to check all imports or required modules and check if the file is a ES Module or a CJS/ JS Module or Script

A library to fix the default import interoperability issue in Node.js

Glean documentation gold from your codebase - JSDoc parsing, validation, and beautiful doc generation

Lightweight browser-friendly Javascript assertions.

Universal reactive signals for modern JavaScript - zero dependencies, SSR/hydration, DOM updates

MapTransform with CJS support

Build/bundle tools for ECMAScript, TypeScript, and JavaScript libraries. It's easy to use, doesn't require any setup, and adheres to best practices. It has no dependencies and uses esbuild for enhanced performance.

Base functionality used throughout XYO TypeScript/JavaScript libraries

A lightweight, tree-shakable utility for HTTP status codes and reason phrases in TypeScript/JavaScript. Auto-generated and ESM-compatible.

One foundation for multiple applications.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

A package manager helper tool for debug list of defined (imported) packages in your ecosystem and prevent to duplicate import (install) multiple versions of the same package in your project (deduplicate packages).

Tools for developing J4 extensions

A Higher Order Function that allows runtime overriding of functions, for testing purposes. Based on https://nalanj.dev/posts/mocking-without-loaders/

Loads ESM modules on CommonJS projects

A lightweight, dependency-free JSON viewer that renders JSON data into a human-readable, collapsible tree. It is styled with Tailwind CSS for a modern look and feel.

Vuera lib migrated to TS

A CLI and equivalent JS API to analyze source JSDoc and generate documentation under a given heading in a markdown file (such as readme.md).

Necessary library for all ECMAScript (JavaScript/TypeScript) projects.

A TypeScript module for creating, manipulating, and embedding XML data within PDF files specifically tailored for electronic invoice (einvoice) packages.

Make import/export ESM compatible by appending .js (file) or /index.js (directory)

A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

ESM version of the popular dotenv npm package

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Provides access to `globalThis`, ensuring cross-platform compatibility, including browsers (`window`), Node.js (`global`), and Web Workers (`self`).

Dynamically compile TSX/TS files and execute them.

Cosmos 前端通用工具函数库

Docusaurus Remark plugin for converting NPM Commands to Yarn and Pnpm

Tests your modules without any test library imports

CRC functions with a parameterized engine optimized for both speed and size

Check if current module is main module.

Javascript API wrapper for Loco translation system's REST API

Easily build dual module packages (esm + cjs) using typescript

Collection of utilities for JavaScript and TypeScript, lightweight and tree-shakable.

A simple utility to parse a duration string into milliseconds number.

Enhanced fetch API with cache strategy, retry pattern, timeout, helper methods and enhanced types.

Development server based on esbuild

A tiny and tree-shakable TypeScript library to get environment variables with type-safe and fallback value for development and production.

A helper command for babel-plugin-node-cjs-interop

A bot framework for discord.js.

Shared core components and utilities for PACE applications

Vite plugin to update your ESM and CJS specifiers.

Universal JavaScript SDK for RI Survey integration

XML parser/stringifier with no dependencies.

TypeScript HYbridizer - Hybrid (CommonJS/ESM) TypeScript node package builder

A utility for registering exit handlers in Node.js.

Vue integration for @esmx/router - A universal router that works seamlessly with both Vue 2.7+ and Vue 3

Typescript SDK for accessing Simpu's API for SimpuFrontend apps

Essential HTTP utilities for TypeScript, including types for HTTP methods, status codes, and headers.

Run typescript scripts using esbuild and `@node-loaders/esbuild`

Vite plugin to generate import map JSON virtual module for sharing dependencies without duplication

A queue that executes async tasks in order like mutex and semaphore methodology for javascript and typescript.