250 Most Popular npm Packages

A comprehensive library for mime-type mapping

Trace the original position through a source map

This package contains shared types of Jest's packages.

TypeScript is a language for application scale JavaScript development

Make a function mimic another one

Strip UTF-8 byte order mark (BOM) from a string

Media Type Database

Ignore is a manager and filter for .gitignore rules, the one used by eslint, gitbook and many others.

Minimal module to check if a file is executable.

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

User-friendly glob matching

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Strip comments from JSON. Lets you use comments in your JSON files!

JSDoc parser

Find and load configuration from a package.json property, rc file, TypeScript module, and more!

Human-friendly process signals

TypeScript definitions for yargs

A JavaScript parser

Express style path to RegExp utility

Parse JSON with more helpful errors

JavaScript sprintf implementation

Turns an AST into code.

Runtime for Regenerator-compiled generator and async functions.

Match balanced character pairs, like "{" and "}"

Minimal and efficient cross-platform file watching library

Easily read/write JSON files.

HTTP server cookie parsing and serialization

A drop-in replacement for fs, making various improvements.

Validate identifier/keywords name

Encode & decode XML and HTML entities with ease & speed

HTTP status utility

parse argument options

Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.

Get and robustly cache all JS language-level intrinsics at first require time

Check if a path is a file, directory, or symlink

Find the root directory of a Node.js project or npm package

The ultimate javascript content-type utility.

Higher-order functions and common patterns for asynchronous code

Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.

Determines if an object can be used as an array

A stand-alone types package for Undici

A light-weight module that brings Fetch API to node.js

Create HTTP error objects

Is this specifier a node.js core module?

Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.

JavaScript parser and stringifier for YAML

Implementation of Function.prototype.bind

Types for the TypeScript-ESTree AST spec

A parser that converts TypeScript source code into an ESTree compatible form

Promise based HTTP client for the browser and node.js