npm packages
9,484 in Packages and libraries, most used first. Page 2 of 48.
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type-is Infer the content-type of a request. - finalhandler Node.js final http responder
- has-tostringtag Determine if the JS environment has Symbol.toStringTag support. Supports spec, or shams.
- npm-run-path Get your PATH prepended with locally installed binaries
- media-typer Simple RFC 6838 media type parser and formatter
- base64-js Base64 encoding/decoding in pure JS
- uri-js An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.
- lightningcss-linux-x64-gnu A CSS parser, transformer, and minifier written in Rust
- universalify Make a callback- or promise-based function support both promises and callbacks.
- eventemitter3 EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.
- to-regex-range Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
- fast-uri Dependency free RFC 3986 URI toolbox
- file-entry-cache A lightweight cache for file metadata, ideal for processes that work on a specific set of files and only need to reprocess files that have…
- side-channel-weakmap Store information about any JS value in a side channel. Uses WeakMap if available.
- side-channel-map Store information about any JS value in a side channel, using a Map
- callsites Get callsites from the V8 stack trace API
- fast-glob It's a very fast and efficient glob library for Node.js
- send Better streaming static file server with Range and conditional-GET support
- deep-is node's assert.deepEqual algorithm except for NaN being equal to NaN
- es-set-tostringtag A helper to optimistically set Symbol.toStringTag, when possible.
- mimic-fn Make a function mimic another one
- accepts Higher-level content negotiation
- flatted A super light and fast circular JSON parser.
- get-caller-file
- util-deprecate The Node.js util.deprecate() function with browser support
- on-finished Execute a callback when a request closes, finishes, or errors
- content-disposition Create and parse Content-Disposition header
- mime A comprehensive library for mime-type mapping
- gensync Allows users to use generators in order to write common functions that can be both sync or async.
- serve-static Serve static files
- strip-bom Strip UTF-8 byte order mark (BOM) from a string
- fresh HTTP response freshness testing
- body-parser Node.js body parsing middleware
- import-fresh Import a module while bypassing the cache
- flat-cache A simple key/value storage using files to persist the data
- raw-body Get and validate the raw body of a readable stream.
- prelude-ls prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried.
- type-check type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
- @typescript-eslint/utils Utilities for working with TypeScript + ESLint together
- esquery A query library for ECMAScript AST using a CSS selector like query language.
- enhanced-resolve Offers a async require.resolve function. It's highly configurable.
- @jridgewell/remapping Remap sequential sourcemaps through transformations to point at the original source code
- concat-map concatenative mapdashery
- esrecurse ECMAScript AST recursive visitor
- pathe Universal filesystem path utils
- @babel/helper-validator-option Validate plugin/preset options
- acorn-jsx Modern, fast React.js JSX parser
- @vitest/spy Lightweight Jest compatible spy implementation
- ajv-formats Format validation for Ajv v7+
- optionator option parsing and help generation
- human-signals Human-friendly process signals
- ci-info Get details about the current Continuous Integration environment
- levn Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
- require-from-string Require module from string
- @opentelemetry/api-logs Public logs API for OpenTelemetry
- chai BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
- path-parse Node.js path.parse() ponyfill
- http-proxy-agent An HTTP(s) proxy http.Agent implementation for HTTP
- setprototypeof A small polyfill for Object.setprototypeof
- fast-levenshtein Efficient implementation of Levenshtein algorithm with locale-specific collator support.
- bytes Utility to parse a string bytes to bytes and vice-versa
- fastq Fast, in memory work queue
- cookie-signature Sign and unsign cookies
- parent-module Get the path of the parent module
- @eslint-community/regexpp Regular expression parser for ECMAScript.
- jsonfile Easily read/write JSON files.
- source-map-support Fixes stack traces for files with source maps
- range-parser Range header field string parser
- json-stable-stringify-without-jsonify deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results, with no public domain dependencies
- tapable Just a little module for plugins.
- postcss-selector-parser Selector parser with built in methods for working with selector strings.
- strip-final-newline Strip the final newline character from a string or Uint8Array
- reusify Reuse objects and functions with style
- diff A JavaScript text diff implementation.
- supports-preserve-symlinks-flag Determine if the current node version supports the --preserve-symlinks flag.
- ipaddr.js A library for manipulating IPv4 and IPv6 addresses in JavaScript.
- is-wsl Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)
- @typescript-eslint/parser An ESLint custom parser which leverages TypeScript ESTree
- natural-compare Compare strings containing a mix of letters and numbers in the way a human being would in sort order.
- tough-cookie RFC6265 Cookies and Cookie Jar for node.js
- whatwg-mimetype Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard
- @humanwhocodes/module-importer Universal module importer for Node.js
- is-plain-obj Check if a value is a plain object
- make-dir Make a directory and its parents if needed - Think mkdir -p
- @standard-schema/spec A family of specs for interoperable TypeScript
- normalize-path Normalize slashes in a file path to be posix/unix-like forward slashes.
- @eslint/js ESLint JavaScript language implementation
- @nodelib/fs.scandir List files and directories inside the specified directory
- parse-json Parse JSON with more helpful errors
- is-docker Check if the process is running inside a Docker container
- ts-api-utils Utility functions for working with TypeScript's API. Successor to the wonderful tsutils. 🛠️️
- @jest/types This package contains shared types of Jest's packages.
- word-wrap Wrap words to a specified length.
- require-directory Recursively iterates over specified directory, require()'ing each file, and returning a nested hash structure containing those modules.
- @nodelib/fs.stat Get the status of a file with some features
- ansi-escapes ANSI escape codes for manipulating the terminal
- json-buffer JSON parse & stringify that supports binary via bops & base64
- @typescript-eslint/eslint-plugin TypeScript plugin for ESLint
- dom-accessibility-api
- merge-descriptors Merge objects using their property descriptors
- mdn-data Open Web data by the Mozilla Developer Network
- @vitest/pretty-format Fork of pretty-format with support for ESM
- @typescript-eslint/type-utils Type utilities for working with TypeScript + ESLint together
- playwright-core A high-level API to automate web browsers
- @vitest/utils Shared Vitest utility functions
- pako zlib port to javascript - fast, modularized, with browser support
- std-env Runtime agnostic JS utils
- css-tree A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching)…
- escape-html Escape string for use in HTML
- is-arrayish Determines if an object can be used as an array
- @nodelib/fs.walk A library for efficiently walking a directory recursively
- @opentelemetry/resources OpenTelemetry SDK resources
- toidentifier Convert a string of words to a JavaScript identifier
- @smithy/types
- @aws-sdk/types Types for the AWS SDK
- cosmiconfig Find and load configuration from a package.json property, rc file, TypeScript module, and more!
- @typescript-eslint/tsconfig-utils Utilities for collecting TSConfigs for linting scenarios.
- restore-cursor Gracefully restore the CLI cursor on exit
- @radix-ui/react-compose-refs
- @typescript-eslint/project-service Standalone TypeScript project service wrapper for linting.
- proxy-from-env Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.
- @vitest/mocker Vitest module mocker implementation
- mkdirp Recursively mkdir, like mkdir -p
- ee-first return the first event in a set of ee/event pairs
- asynckit Minimal async jobs utility library, with streams support
- is-unicode-supported Detect whether the terminal supports Unicode
- delayed-stream Buffers events from a stream until you are ready to handle them.
- clsx A tiny (239B) utility for constructing className strings conditionally.
- parseurl parse a url with memoization
- etag Create simple HTTP ETags
- call-bind Robustly .call.bind() a function
- @eslint/core Runtime-agnostic core of ESLint
- run-parallel Run an array of functions in parallel
- ieee754 Read/write IEEE754 floating point numbers from/to a Buffer or array-like object
- tinyrainbow A small library to print colourful messages.
- cli-cursor Toggle the CLI cursor
- doctrine JSDoc parser
- loose-envify Fast (and loose) selective process.env replacer using js-tokens instead of an AST
- queue-microtask fast, tiny queueMicrotask shim for modern engines
- lines-and-columns Maps lines and columns to character offsets and back.
- @sinclair/typebox JSONSchema Type Builder with Static Type Resolution for TypeScript
- @jest/schemas Experimental and currently incomplete module for JSON schemas for Jest's configuration.
- slash Convert Windows backslash paths to slash paths
- domutils Utilities for working with htmlparser2's dom
- merge2 Merge multiple streams into one stream in sequence or parallel.
- assertion-error Error constructor for test and validation frameworks that implements standardized AssertionError specification.
- @vitest/expect Jest's expect matchers as a Chai plugin
- combined-stream A stream that emits multiple other streams one after another.
- @eslint/config-array General purpose glob-based configuration matching.
- retry Abstraction for exponential and custom retry strategies for failed operations.
- unpipe Unpipe a stream from all destinations
- domhandler Handler for htmlparser2 that turns pages into a dom
- @eslint/eslintrc The legacy ESLintRC config file format for ESLint
- vary Manipulate the HTTP Vary header
- lodash.merge The Lodash method _.merge exported as a module.
- buffer-from A ponyfill for Buffer.from, uses native implementation if available.
- @radix-ui/react-context
- kleur The fastest Node.js library for formatting terminal text with ANSI colors~!
- jest-util This packages is a collection of utilities and helper functions
- @eslint/plugin-kit Utilities for building ESLint plugins.
- define-data-property Define a data property on an object. Will fall back to assignment in an engine without descriptors.
- @eslint/config-helpers Helper utilities for creating ESLint configuration
- jest-worker Module for executing heavy tasks under forked processes in parallel, by providing a Promise based interface, minimum overhead, and bound…
- esprima ECMAScript parsing infrastructure for multipurpose analysis
- tsconfig-paths Load node modules according to tsconfig paths, in run-time or via API.
- @humanwhocodes/retry A utility to retry failed async methods.
- json-parse-even-better-errors JSON.parse with context information on error
- sharp High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, GIF, AVIF and TIFF images
- proxy-addr Determine address of proxied request
- jsdom A JavaScript implementation of many web standards
- jackspeak A very strict and proper argument parser.
- has-property-descriptors Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
- tinybench 🔎 A simple, tiny and lightweight benchmarking library!
- @humanfs/core The core of the humanfs library.
- chownr like chown -R
- rolldown Fast JavaScript/TypeScript bundler in Rust with Rollup-compatible API.
- lightningcss-linux-x64-musl A CSS parser, transformer, and minifier written in Rust
- schema-utils webpack Validation Utils
- @humanfs/node The Node.js bindings of the humanfs library.
- cjs-module-lexer Lexes CommonJS modules, returning their named exports metadata
- dom-serializer render domhandler DOM nodes to a string
- define-lazy-prop Define a lazily evaluated property on an object
- expect-type
- set-function-length Set a function's length property
- tar-stream tar-stream is a streaming tar parser and generator and nothing else.
- log-symbols Colored symbols for various log levels. Example: ✔︎ Success
- why-is-node-running Node is running but you don't know why? why-is-node-running is here to help you.
- get-tsconfig Find and parse the tsconfig.json file from a directory path
- use-sync-external-store Backwards compatible shim for React's useSyncExternalStore. Works with any React that supports hooks.
- foreground-child Run a child as if it's the foreground process. Give it stdio. Exit when it exits.
- html-encoding-sniffer Sniff the encoding of an HTML or XML byte stream
- dequal A tiny (304B to 489B) utility for check for deep equality
- slice-ansi Slice a string with ANSI escape codes
- is-regex Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
- which-typed-array Which kind of Typed Array is this JavaScript value? Works cross-realm, without instanceof, and despite Symbol.toStringTag.
- forwarded Parse HTTP X-Forwarded-For header
- gaxios A simple common HTTP client specifically for Google APIs and services.
- follow-redirects HTTP and HTTPS modules that follow redirects.
- indent-string Indent each line in a string
- @aws-sdk/token-providers A collection of token providers
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