JSPM

[Node.js](https://nodejs.org) + [Gjs](https://gjs.guide/) + [Deno](https://deno.land/) module that returns the current script dirname and filename. Similar to `__dirname` and `__filename` but also works in CommonJs and ES modules.

CLI tool for Size Limit

The most popular library of interactive components built with Tailwind CSS

Mouse wheel normalization across multiple multiple browsers.

Keyboard Controller

Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.

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

Load a esm or cjs config from the file system

Standard dynamic imports with a few extra features

Does the current environment have `import()` support?

mime-types rewrite in TypeScript with ESM and CommonJS targets

vary rewrite in TypeScript with ESM and CommonJS targets

Fork of graphql-upload@8 that works with graphql@15 for compatibility with apollo-server@2

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

SQLite Wasm conveniently wrapped as an ES Module.

A comprehensive JavaScript/TypeScript library designed for both Node.JS and browsers, facilitating seamless interaction with the Atlassian Jira API.

Load a string as if it was an esm or commonjs module with a given filename.

A fake template literal tag to trick syntax highlighters, linters and formatters into action.

Simple tools for creating interoperable CJS & ESM packages.

vary rewrite in TypeScript and ESM

Data about countries - like their ISO codes and currencies

es-escape-html rewrite for ESM

Zero-config rollup bundler

Find and load configuration from a package.json property, rc file, or CommonJS module.

Isomorphic `require.resolve` for ESM and CommonJS.

Typescript minimalistic and developer friendly middleware and an Upload scalar to add support for GraphQL multipart requests (file uploads via queries and mutations) to various Node.js GraphQL servers.

OpenAPI 3 and 3.1 schema generator and validator for Hono, itty-router and more!

A simple, lightweight API for handling cookies in the browser

TypeScript Module Loader

provides native ESM import and globals mocking for unit tests

A promise based node resolution library based on enhanced-resolve.

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

Make tsc-compiled `es2020/esnext` bundles compatible with esm/mjs requirements

walk directory for esm and cjs modules

Minimalistic and developer friendly middleware and an Upload scalar to add support for GraphQL multipart requests (file uploads via queries and mutations) to various Node.js GraphQL servers.

A Typescript-First utility library inspired by Lodash. Optimized for modern browsers.

Dual ESM/CommonJS wrapper around lodash

Convert packages to ESM.

Make configurable canvas easily with Canvafy

ESM and TypeScript rewrite of Google's diff-match-patch

import like require but async

ES module for the Google Analytics Global Site Tag.

A simple module to convert PDF files into image buffers (without filesystem usage)

A commonjs to esm converter.

A commonjs to esm converter for esbuild.

ESM compatible deepcopy

Easy hot module reloading (HMR) for Node.js and ESM

Get accessibility information about colour combinations

Babel plugin to rewrite import.meta for bundled usage

Add .js extension to each relative ESM import and export statement in JavaScript file

The ESM-powered frontend build tool. Fast, lightweight, unbundled.

The Skypack SDK.

< 1 kB GraphQL query minifier

Auto fix import path for esm compatibility.

> Currently an alpha-quality, best-effort implementation. > May be unnecessary if you use TypeScript's `"module": "NodeNext", "moduleResolution": "NodeNext"`

PATTERN_KEY_COMPARE implementation

A Babel plugin transform to convert CommonJS to ES modules

resolve "imports" in package.json

MailerLite Node.js SDK

A tiny `esm` snippets interop lib

🐊Putout plugin adds ability to convert commonjs to ecma script module

Hierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.

Run ES Module syntax in any browser – even IE!

A collection of strictest typescript configurations for various environments

Dynamic imports for all

A TypeScript API and CLI for the Akamai NetStorage REST interface

A collection of really strict eslint configurations for various environments

An alternative to module-alias, but for esm

Searches for and loads your tool's JavaScript configuration files with full support for CJS, ESM, TypeScript and more.

Storybook builder powered by `@web/dev-server`

Babel plugin for stubbing (ES6, ES2015) module exports

Properly handle CJS imports in ESM.

🐊Putout plugin adds ability to convert ecma script module to commonjs

Infinite nested material menus

Blazing-fast, zero-dependency uploader for CloudKu. Supports auto-conversion, chunked uploads, and TypeScript. Easily upload images, videos, audio, and documents via Node.js.

Professional PostgreSQL client NodeJS

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

XYLabs Logger Library

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

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

Synchronously import dynamic ECMAScript Modules similar to CommonJS require. Basic wrapper around esm for compatibility with both ESM and CJS projects in NodeJS.

🐊Putout plugin improves code related to generators

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

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

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

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Calculates unsigned CRC32. Optimized Cycle Redundancy Check.

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

Dev server plugin for using storybook with es modules.

parse and handle import/export for browserify

A modern, fast, RFC 4180 compliant parser for JS

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

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

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

ESLint plugin that enforces imports to follow native ESM resolution

vite for qiankun

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Official Ipregistry Javascript Library.

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

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

A tool that can transform CommonJS to ESM

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`.

LINQ ported to TypeScript

A Babel plugin that converts AMD modules to ES modules

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

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.

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

An implementation of the Node.js module resolution algorithm.

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

A cross-browser ponyfill or polyfill for showOpenFilePicker

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

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Gulp plugin for stylelint with ES module support.

libSQL Wasm packaged as an ES module.

Modular testing for JavaScript

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

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

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.

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).

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

Tool to convert Commonjs files into ESM

Transform global variables in JavaScript

Paydock client sdk

Babel plugin to rewrite bare imports for browser use.

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

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

Miscellaneous functions for working with Uint8Arrays

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

Publish project as dual ES modules and CommonJS package

Gulp plugin for Rollup JavaScript Module Bundler

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

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

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

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.

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

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

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

dual-publish plugin for Size Limit

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.

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

Create a blank free and open Node.js ESM project

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.

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

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

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

A lightweight Jest runner creator

Argon2 ESM for browser

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

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

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.

A webpack-like loader for Node

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

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

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

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

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.

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

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

Typescript + ESM version of punycode.js

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

Polyfills for ESM like __dirname, __filename, etc

Chainable ESModule Loader for Images

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)

A code formatter for Lua (ESM/CJS fork)

Modern conventional-changelog parser with ES modules and TypeScript support

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+

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

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

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

Tiny local JSON database for Node, Electron and the browser

Base functionality used throughout XY Labs TypeScript/JavaScript libraries

use-m: dynamically import any JavaScript module

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

Example code for using using ts-node/esm

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