npm packages
9,484 in Packages and libraries, most used first. Page 4 of 48.
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tailwind-merge Merge Tailwind CSS classes without style conflicts - arraybuffer.prototype.slice ES spec-compliant shim for ArrayBuffer.prototype.slice
- terser JavaScript parser, mangler/compressor and beautifier toolkit for ES6+
- @pkgjs/parseargs Polyfill of future proposal for util.parseArgs()
- import-in-the-middle Intercept imports in Node.js
- string.prototype.trim ES5 spec-compliant shim for String.prototype.trim
- @asamuzakjp/css-color CSS color - Resolve and convert CSS colors.
- lodash.isplainobject The lodash method _.isPlainObject exported as a module.
- colorette 🌈Easily set your terminal text color & styles.
- stop-iteration-iterator Firefox 17-26 iterators throw a StopIteration object to indicate "done". This normalizes it.
- tiny-invariant A tiny invariant function
- istanbul-lib-instrument Core istanbul API for JS code coverage
- which-builtin-type What is the type of this builtin JS value?
- @testing-library/dom Simple and complete DOM testing utilities that encourage good testing practices.
- ecdsa-sig-formatter Translate ECDSA signatures between ASN.1/DER and JOSE-style concatenation
- @radix-ui/react-focus-scope
- @aws-sdk/nested-clients Nested clients for AWS SDK packages.
- web-streams-polyfill Web Streams, based on the WHATWG spec reference implementation
- pirates Properly hijack require, i.e., properly define require hooks and customizations
- @aws-sdk/signature-v4-multi-region
- @tailwindcss/oxide-linux-x64-gnu
- @radix-ui/react-focus-guards
- istanbul-lib-coverage Data library for istanbul coverage objects
- @smithy/credential-provider-imds AWS credential provider that sources credentials from the EC2 instance metadata service and ECS container metadata service
- @babel/plugin-syntax-typescript Allow parsing of TypeScript syntax
- jest-message-util
- set-proto Robustly set the [[Prototype]] of an object
- d3-color Color spaces! RGB, HSL, Cubehelix, Lab and HCL (Lch).
- d3-format Format numbers for human consumption.
- lilconfig A zero-dependency alternative to cosmiconfig
- @bcoe/v8-coverage Helper functions for V8 coverage files.
- data-view-byte-offset Get the byteOffset out of a DataView, robustly.
- sisteransi ANSI escape codes for some terminal swag
- axe-core Accessibility engine for automated Web UI testing
- data-view-buffer Get the ArrayBuffer out of a DataView, robustly.
- cli-width Get stdout window width, with two fallbacks, tty and then a default.
- p-map Map over promises concurrently
- buffer-crc32 A pure javascript CRC32 algorithm that plays nice with binary data
- acorn-walk ECMAScript (ESTree) AST walker
- minizlib A small fast zlib stream built on minipass and Node.js's zlib binding.
- pg-protocol The postgres client/server binary protocol, implemented in TypeScript
- router Simple middleware-style router
- symbol-tree Turn any collection of objects into its own efficient tree or linked list using Symbol
- lz-string LZ-based compression algorithm
- @babel/helper-optimise-call-expression Helper function to optimise call expression
- @babel/helper-create-class-features-plugin Compile class public and private fields, private methods and decorators to ES6
- @babel/helper-replace-supers Helper function to replace supers
- @playwright/test A high-level API to automate web browsers
- @grpc/proto-loader gRPC utility library for loading .proto files
- generator-function A function that returns the normally hidden GeneratorFunction constructor
- async-function A function that returns the normally hidden AsyncFunction constructor
- micromark-util-symbol micromark utility with symbols
- dayjs 2KB immutable date time library alternative to Moment.js with the same modern API
- d3-time A calculator for humanity’s peculiar conventions of time.
- @radix-ui/react-collection
- istanbul-reports istanbul reports
- @protobufjs/float Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.
- @protobufjs/aspromise Returns a promise from a node-style callback function.
- array-includes An ES7/ES2016 spec-compliant Array.prototype.includes shim/polyfill/replacement that works as far down as ES3.
- @protobufjs/utf8 A minimal UTF8 implementation for number arrays.
- mimic-response Mimic a Node.js HTTP response stream
- @radix-ui/react-direction
- @rollup/rollup-linux-x64-musl Native bindings for Rollup
- jsonc-parser Scanner and parser for JSON with comments.
- whatwg-encoding Decode strings according to the WHATWG Encoding Standard
- react-remove-scroll Disables scroll outside of children node.
- own-keys Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible
- @babel/helper-skip-transparent-expression-wrappers Helper which skips types and parentheses
- istanbul-lib-report Base reporting library for istanbul
- confbox Compact YAML, TOML, JSONC, JSON5 and INI parser and serializer
- object.values ES2017 spec-compliant Object.values shim.
- micromark-util-character micromark utility to handle character codes
- nopt Option parsing for Node, supporting types, shorthands, etc. Used by npm.
- @protobufjs/codegen A minimalistic code generation utility.
- jest-diff Display differences clearly so people can review changes confidently.
- @ai-sdk/provider
- @protobufjs/eventemitter A minimal event emitter.
- @protobufjs/fetch Fetches the contents of a file accross node and browsers.
- shell-quote quote and parse shell commands
- @emnapi/core emnapi core
- redent Strip redundant indentation and indent the string
- safe-push-apply Push an array of items into an array, while being robust against prototype modification
- @next/env Next.js dotenv file loading
- array.prototype.flatmap An ES2019 spec-compliant Array.prototype.flatMap shim/polyfill/replacement that works as far down as ES3.
- css-what A CSS selector parser
- wsl-utils Utilities for working with Windows Subsystem for Linux (WSL)
- event-target-shim An implementation of WHATWG EventTarget interface.
- @alloc/quick-lru Simple “Least Recently Used” (LRU) cache
- es-shim-unscopables Helper package to shim a method into Array.prototype[Symbol.unscopables]
- strnum Parse String to Number based on configuration
- @radix-ui/react-dialog
- unist-util-is unist utility to check if a node passes a test
- abbrev Like ruby's abbrev module, but in js
- destroy destroy a stream if possible
- unist-util-visit unist utility to visit nodes
- @aws/lambda-invoke-store Invoke scoped data storage for AWS Lambda Node.js Runtime Environment
- nth-check Parses and compiles CSS nth-checks to highly optimized functions.
- @sentry/core Base implementation for all Sentry JavaScript SDKs
- postgres-bytea Postgres bytea parser
- d3-time-format A JavaScript time formatter and parser inspired by strftime and strptime.
- @babel/plugin-transform-modules-commonjs This plugin transforms ES2015 modules to CommonJS
- pg-types Query result type converters for node-postgres
- dompurify DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG.
- d3-timer An efficient queue capable of managing thousands of concurrent animations.
- is-plain-object Returns true if an object was created by the Object constructor, or Object.create(null).
- use-callback-ref The same useRef, but with callback
- array.prototype.flat An ES2019 spec-compliant Array.prototype.flat shim/polyfill/replacement that works as far down as ES3.
- use-sidecar Sidecar code splitting utils
- @rollup/pluginutils A set of utility functions commonly used by Rollup plugins
- object.fromentries ES proposal-spec-compliant Object.fromEntries shim.
- d3-scale Encodings that map abstract data to visual representation.
- @tanstack/query-core The framework agnostic core that powers TanStack Query
- aria-hidden Cast aria-hidden to everything, except...
- decamelize Convert a camelized string into a lowercased one with a custom separator: unicornRainbow → unicorn_rainbow
- detect-node-es Detect Node.JS (as opposite to browser environment). ESM modification
- @radix-ui/react-popper
- eventsource WhatWG/W3C compliant EventSource client for Node.js and browsers
- pngjs PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.
- is-interactive Check if stdout or stderr is interactive
- react-remove-scroll-bar Removes body scroll without content shake
- @hono/node-server Node.js Adapter for Hono
- @emnapi/wasi-threads WASI threads proposal implementation in JavaScript
- postgres-interval Parse Postgres interval columns
- core-js Standard library
- set-cookie-parser Parses set-cookie headers into objects
- postgres-date Postgres date column parser
- ast-types Esprima-compatible implementation of the Mozilla JS Parser API
- @inquirer/core Core Inquirer prompt API
- @protobufjs/path A minimal path module to resolve Unix, Windows and URL paths alike.
- @protobufjs/pool A general purpose buffer pool.
- @protobufjs/base64 A minimal base64 implementation for number arrays.
- @sindresorhus/is Type check values
- @radix-ui/react-arrow
- micromark-util-types micromark utility with a couple of typescript types
- cssstyle An implementation of the CSSStyleDeclaration class from the CSS Object Model specification
- d3-ease Easing functions for smooth animation.
- abort-controller An implementation of WHATWG AbortController interface.
- object.entries ES2017 spec-compliant Object.entries shim.
- @testing-library/jest-dom Custom jest matchers to test the state of the DOM
- zod-to-json-schema Converts Zod schemas to Json Schemas
- node-domexception An implementation of the DOMException class from NodeJS
- dedent A string tag that strips indentation from multi-line strings. ⬅️
- unist-util-visit-parents unist utility to recursively walk over nodes, with ancestral information
- pg-connection-string Functions for dealing with a PostgreSQL connection string
- @napi-rs/wasm-runtime Runtime and polyfill for wasm targets
- @inquirer/type Inquirer core TS types
- regenerator-runtime Runtime for Regenerator-compiled generator and async functions.
- next The React Framework
- jest-matcher-utils A set of utility functions for expect and related packages
- @opentelemetry/sdk-metrics OpenTelemetry metrics SDK
- min-indent Get the shortest leading whitespace from lines in a string
- @radix-ui/react-use-rect
- @sinonjs/fake-timers Fake JavaScript timers
- vfile-message vfile utility to create a virtual message
- react-style-singleton Just create a single stylesheet...
- default-browser Get the default browser
- @radix-ui/rect
- pg-int8 64-bit big-endian signed integer-to-string conversion
- express-rate-limit Basic IP rate-limiting middleware for Express. Use to limit repeated requests to public APIs and/or endpoints such as password reset.
- @radix-ui/react-use-size
- pkg-types Node.js utilities and TypeScript definitions for package.json and tsconfig.json
- pg PostgreSQL client - pure javascript & libpq with the same API
- object-hash Generate hashes from javascript objects in node and the browser.
- unist-util-stringify-position unist utility to serialize a node, position, or point as a human readable location
- vfile Virtual file format for text processing
- micromark-factory-space micromark factory to parse markdown space (found in lots of places)
- @octokit/types Shared TypeScript definitions for Octokit projects
- property-information Info on the properties and attributes of the web platform
- prompts Lightweight, beautiful and user-friendly prompts
- unicorn-magic Some useful utilities I often need
- @testing-library/react Simple and complete React DOM testing utilities that encourage good testing practices.
- leven Measure the difference between two strings using the Levenshtein distance algorithm
- bowser Lightweight browser detector
- @jridgewell/source-map Packages @jridgewell/trace-mapping and @jridgewell/gen-mapping into the familiar source-map API
- utils-merge merge() utility function
- client-only This is a marker package to indicate that a module can only be used in Client Components.
- get-nonce returns nonce
- micromark-util-encode micromark utility to encode dangerous html characters
- micromark-util-sanitize-uri micromark utility to sanitize urls
- character-entities Map of named character references
- neo-async Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster
- boolbase two functions: One that returns true, one that returns false
- bignumber.js A library for arbitrary-precision decimal and non-decimal arithmetic
- is-path-inside Check if a path is inside another path
- @modelcontextprotocol/sdk Model Context Protocol implementation for TypeScript
- micromark small commonmark compliant markdown parser with positional info and concrete tokens
- @tanstack/react-query Hooks for managing, caching and syncing asynchronous and remote data in React
- axobject-query Programmatic access to information about the AXObject Model
- @babel/helper-member-expression-to-functions Helper function to replace certain member expressions with function calls
- class-variance-authority Class Variance Authority 🧬
- @radix-ui/react-visually-hidden
- jest-mock Note: More details on user side API can be found in Jest documentation.
- @octokit/openapi-types Generated TypeScript definitions based on GitHub's OpenAPI spec for api.github.com
- bundle-name Get bundle name from a bundle identifier (macOS): com.apple.Safari → Safari
- methods HTTP methods that node supports
- safe-stable-stringify Deterministic and safely JSON.stringify to quickly serialize JavaScript objects
- test-exclude test for inclusion or exclusion of paths using globs
- character-entities-legacy List of legacy HTML named character references that don’t need a trailing semicolon
- @tailwindcss/oxide-linux-x64-musl
- string.prototype.matchall Spec-compliant polyfill for String.prototype.matchAll
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