250 Most Popular npm Packages

A tiny (183B to 210B) and fast utility to ascend parent directories

A simple cache for a few of the JS Error constructors.

HTTP server cookie parsing and serialization

Strip the final newline character from a string or Uint8Array

Provides a list of electron-to-chromium version mappings

Get the native type of a value.

Helper functions around Function call/apply/bind, for use in `call-bind`

Generate an AST from a string template.

TypeScript scope analyser for ESLint

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

string representations of objects in node and the browser

Returns true if a string has an extglob.

the bare-bones internationalization library used by yargs

Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)

An extremely fast JavaScript and CSS bundler and minifier.

Generate source maps

If available, the `Object.prototype.__proto__` accessor and mutator, call-bound

JavaScript parser and stringifier for YAML

ES Math-related intrinsics and helpers, robustly cached.

A tiny (118 bytes), secure URL-friendly unique string ID generator

Make a directory and its parents if needed - Think `mkdir -p`

Robustly get the [[Prototype]] of an object

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

It's a very fast and efficient glob library for Node.js

Create and parse Content-Disposition header

Is this specifier a node.js core module?

Create HTTP error objects

JSDoc parser

Dataform core API.

Node.js releases data

A comprehensive library for mime-type mapping

webpack Validation Utils

A helper to optimistically set Symbol.toStringTag, when possible.

CLI tool to update caniuse-lite to refresh target browsers from Browserslist config

Store information about any JS value in a side channel. Uses WeakMap if available.

Unopinionated, no-frills CLI argument parser

TypeScript-first schema declaration and validation library with static type inference

Babel helper functions for inserting module loads

Modify strings, generate sourcemaps

Utilities for working with TypeScript + ESLint together

Babel helper functions for implementing ES6 module transformations

Get callsites from the V8 stack trace API

Resolve a URI relative to an optional base URI

A UTF-8 string <-> UInt8Array converter

The compat-data to determine required Babel plugins

An Esprima-compatible JavaScript parser built on Acorn

Check if the process is running inside a Docker container

Import a module while bypassing the cache

Collection of helper functions used by Babel transforms.

A utility package to parse strings