https://github.com/inspect-js/has-symbols
Determine if the JS environment has Symbol support. Supports spec, or shams.
core-js ecmascript es2015 es6 has javascript symbol symbol-support symbols
Last synced: 21 Jul 2026
https://github.com/jonschlinkert/is-number
JavaScript/Node.js utility. Returns `true` if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.
float integer is isnan javascript jonschlinkert nan negative nodejs number numeric real zero
Last synced: 21 Jul 2026
https://github.com/sindresorhus/escape-string-regexp
Escape RegExp special characters
Last synced: 21 Jul 2026
https://github.com/micromatch/is-glob
If you use globs, this will make your code faster. 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 better user experience. 55+ million downloads.
glob glob-pattern globbing javascript jonschlinkert match matching node node-glob nodejs regex regexp
Last synced: 21 Jul 2026
https://github.com/lukeed/clsx
A tiny (239B) utility for constructing `className` strings conditionally.
Last synced: 21 Jul 2026
https://github.com/jsdom/whatwg-url
An implementation of the WHATWG URL Standard in JavaScript
Last synced: 21 Jul 2026
https://github.com/npm/gauge
A terminal based horizontal guage aka, a progress bar
npm-cli
Last synced: 21 Jul 2026
https://github.com/lddubeau/xmlchars
Utilities for determining if characters belong to character classes defined by the XML specs.
Last synced: 21 Jul 2026
https://github.com/sindresorhus/tagged-tag
Unique tag for use in the type-fest Tagged type
Last synced: 21 Jul 2026
https://github.com/evanw/node-source-map-support
Adds source map support to node.js (for stack traces)
Last synced: 21 Jul 2026
https://github.com/feross/typedarray-to-buffer
Convert a typed array to a Buffer without a copy.
browser browserify buffer javascript nodejs typed-arrays typedarray
Last synced: 21 Jul 2026
https://github.com/ioredis/asCallback
A performant and standard (Bluebird) library that registers a node-style callback on a promise
Last synced: 21 Jul 2026
https://github.com/mafintosh/stream-shift
Returns the next buffer/object in a stream's readable queue
Last synced: 21 Jul 2026
https://github.com/dependents/node-get-amd-module-type
Get the type of AMD module used for an AST node or within a file
Last synced: 21 Jul 2026
https://github.com/npm/proc-log
just emit 'log' events on the process object
npm-cli
Last synced: 21 Jul 2026
https://github.com/winstonjs/winston-transport
Base stream implementations for winston@3 and up.
Last synced: 21 Jul 2026
https://github.com/storybookjs/lazy-universal-dotenv
Robust Environment Configuration for Universal Applications.
Last synced: 21 Jul 2026
https://github.com/hughsk/is-typedarray
Detect whether or not an object is a Typed Array
Last synced: 21 Jul 2026
https://github.com/Microsoft/PowerBI-JavaScript
JavaScript library for embedding Power BI into your apps. Check out the docs website and wiki for more information.
Last synced: 21 Jul 2026
https://github.com/archiverjs/node-zip-stream
a streaming zip archive generator
Last synced: 21 Jul 2026
https://github.com/DABH/diagnostics
Tools for debugging your node.js modules
Last synced: 21 Jul 2026
https://github.com/inspect-js/is-data-view
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on instanceof or mutable properties, and despite ES6 Symbol.toStringTag.
data dataview ecmascript javascript typedarray typedarrays view
Last synced: 21 Jul 2026
https://github.com/isaacs/common-ancestor-path
Find the common ancestor of 2 or more paths on Windows or Unix
Last synced: 21 Jul 2026
https://github.com/jonaskello/tsconfig-paths
Load node modules according to tsconfig paths, in run-time or via API.
tsconfig tsconfig-paths typescript
Last synced: 21 Jul 2026
https://github.com/ljharb/qs
A querystring parser and serializer with nesting support
browsers encoding javascript node nodejs parse querystrings stringify url-parsing
Last synced: 21 Jul 2026
https://github.com/keyz/identity-obj-proxy
An identity object using ES6 proxies. Useful for mocking webpack imports like CSS Modules.
Last synced: 21 Jul 2026
https://github.com/jonschlinkert/normalize-path
Normalize file path slashes to be unix-like forward slashes. Used by chokidar, anymatch, and many others!
file file-path filepath javascript jonschlinkert node nodejs path posix slash unix windows
Last synced: 21 Jul 2026
https://github.com/remarkjs/remark-slug
Deprecated plugin to add `id`s to headings — please use `rehype-slug`
Last synced: 21 Jul 2026
https://github.com/isaacs/inflight-DEPRECATED-DO-NOT-USE
Add callbacks to requests in flight to avoid async duplication
npm-cli
Last synced: 21 Jul 2026
https://github.com/yahoo/serialize-javascript
Serialize JavaScript to a superset of JSON that includes regular expressions and functions.
javascript json serialize web
Last synced: 21 Jul 2026
https://github.com/isaacs/dezalgo
Contain async insanity so that the dark pony lord doesn't eat souls
npm-cli
Last synced: 21 Jul 2026
https://github.com/expressjs/compression
Node.js compression middleware
compression deflate expressjs gzip javascript middleware nodejs
Last synced: 21 Jul 2026
https://github.com/ljharb/own-keys
Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible.
Last synced: 21 Jul 2026
https://github.com/mswjs/msw
Industry standard API mocking for JavaScript.
api api-mocking devtools mock mock-service-worker mocking mocking-framework mocking-library msw mswjs service-worker
Last synced: 21 Jul 2026
https://github.com/Rich-Harris/magic-string
Manipulate strings like a wizard
Last synced: 21 Jul 2026
https://github.com/jshttp/vary
Manipulate the HTTP Vary header
http javascript nodejs vary
Last synced: 21 Jul 2026
https://github.com/litejs/natural-compare-lite
Compare strings containing a mix of letters and numbers in the way a human being would in sort order.
Last synced: 21 Jul 2026
https://github.com/doowb/ansi-colors
Easily add ANSI colors to your text and symbols in the terminal. ansi-colors is the official ansi styling library for gulp. Used by hundreds of projects, including enquirer, vscode, codeql, azure data studio, aws-cdk, redwoodjs, leaflet, mocha, and many others.
ansi ansi-colors blue bold chalk colors cyan dim gray green grey javascript kleur magenta node nodejs red symbols white yellow
Last synced: 21 Jul 2026
https://github.com/facebook/prop-types
Runtime type checking for React props and similar objects
Last synced: 21 Jul 2026
https://github.com/sindresorhus/p-limit
Run multiple promise-returning & async functions with limited concurrency
Last synced: 21 Jul 2026
https://github.com/jonschlinkert/expand-tilde
Bash-like tilde expansion for node.js. Expands a leading tilde in a file path to the user home directory, or `~+` to the cwd.
expand expansion javascript nodejs tilde tilde-expansion
Last synced: 21 Jul 2026
https://github.com/AriaMinaei/pretty-error
See node.js errors with less clutter
Last synced: 21 Jul 2026
https://github.com/sindresorhus/pify
Promisify a callback-style function
promise-utilities promises promisify
Last synced: 21 Jul 2026
https://github.com/whitequark/ipaddr.js
IP address manipulation library in JavaScript
Last synced: 21 Jul 2026
https://github.com/jshttp/fresh
HTTP request freshness testing
304 etag http javascript last-modified nodejs
Last synced: 21 Jul 2026
https://github.com/benjamn/recast
JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator
Last synced: 21 Jul 2026
https://github.com/inikulin/parse5
HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.
html html-parsing html5 parser serialization serializer whatwg
Last synced: 21 Jul 2026
https://github.com/ljharb/side-channel
Store information about any JS value in a side channel. Uses WeakMap if available.
Last synced: 21 Jul 2026
https://github.com/floating-ui/react-popper
🍿⚛Official React library to use Popper, the positioning library
placement popover popper react tooltip tooltips
Last synced: 21 Jul 2026
https://github.com/DataDog/go-runtime-metrics-internal
Library to export metrics from the Go runtime to Datadog
Last synced: 21 Jul 2026
https://github.com/inspect-js/is-map
Is this value a JS Map? This module works cross-realm/iframe, and despite %Symbol.toStringTag%.
collection ecmascript is javascript map set
Last synced: 21 Jul 2026
https://github.com/jaredwray/keyv
Simple key-value storage with support for multiple backends
cache etcd key-value keyv memcache mongo mysql postgres redis sqlite storage
Last synced: 21 Jul 2026
https://github.com/sindresorhus/package-directory
Find the root directory of a Node.js project or npm package
Last synced: 21 Jul 2026
https://github.com/brianloveswords/buffer-crc32
A pure javascript CRC32 algorithm that plays nice with binary data
Last synced: 21 Jul 2026
https://github.com/node-modules/charset
Get the content charset from header and html content-type.
Last synced: 21 Jul 2026
https://github.com/jonschlinkert/find-file-up
Find a file, starting with the given cwd and recursively searching up one directory until it's found (or we run out of directories). Async and sync.
file find find-up find-up-sync findup glob javascript jonschlinkert match node nodejs resolve
Last synced: 21 Jul 2026
https://github.com/fshost/node-dir
Recursive asynchronous file and directory operations for Node.js
Last synced: 21 Jul 2026
https://github.com/syntax-tree/hast-util-to-parse5
utility to transform hast to Parse5’s AST
hast hast-util html parse5 util
Last synced: 21 Jul 2026
https://github.com/ljharb/es-shim-unscopables
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Last synced: 21 Jul 2026
https://github.com/skeggse/isemail
validate an email address according to RFCs 5321, 5322, and others
Last synced: 21 Jul 2026
https://github.com/wooorm/is-hexadecimal
Check if a character is hexadecimal
character decimal hexadecimal number numerical
Last synced: 21 Jul 2026
https://github.com/jaredLunde/react-hook
↩ Strongly typed, concurrent mode-safe React hooks
debounce hooks hooks-api hooks-library react react-hook react-hooks react-hooks-typescript throttle typescript typescript-hooks window-scroll window-size
Last synced: 21 Jul 2026
https://github.com/winstonjs/logform
An mutable object format designed for chaining & objectMode streams
Last synced: 21 Jul 2026
https://github.com/albell/parse-srcset
A spec-conformant JavaScript parser for the HTML5 srcset attribute
Last synced: 21 Jul 2026
https://github.com/egoist/detect-package-manager
Detect which package manager you're using (yarn or pnpm or npm)
npm package-manager pnpm yarn
Last synced: 21 Jul 2026
https://github.com/streamich/json-joy
json-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.
cbor collaboration collaborative collaborative-editing crdt json json-crdt-patch json-random local-first messagepack multiplayer offline operational-transformation p2p patch reactive realtime rpc schema ubjson
Last synced: 21 Jul 2026
https://github.com/playwright-unofficial-community-archive/jest-playwright
Running tests using Jest & Playwright
jest-environment jest-playwright playwright testing typescript
Last synced: 21 Jul 2026
https://github.com/microsoft/node-jsonc-parser
Scanner and parser for JSON with comments.
Last synced: 21 Jul 2026
https://github.com/lydell/eslint-plugin-simple-import-sort
Easy autofixable import sorting.
eslint eslint-plugin sort-imports
Last synced: 21 Jul 2026
https://github.com/fb55/htmlparser2
The fast & forgiving HTML and XML parser
dom html html-parser htmlparser2 javascript parser xml
Last synced: 21 Jul 2026
https://github.com/ljharb/call-bound
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
Last synced: 21 Jul 2026
https://github.com/un-ts/pkgr
Simple but incredible utilities for package bundlers like rollup, webpack.
globals incredible-utilities packager pkgr rollup umd webpack
Last synced: 21 Jul 2026
https://github.com/inspect-js/which-boxed-primitive
Which kind of boxed JS primitive is this?
Last synced: 21 Jul 2026
https://github.com/sindresorhus/string-width
Get the visual width of a string - the number of columns required to display it
Last synced: 21 Jul 2026
https://github.com/inspect-js/functions-have-names
Does this JS environment support the `name` property on functions?
environment functions ie ie10 ie11 ie9 javascript name property
Last synced: 21 Jul 2026
https://github.com/sindresorhus/log-symbols
Colored symbols for various log levels
Last synced: 21 Jul 2026
https://github.com/docker/docker-credential-helpers
Programs to keep Docker login credentials safe by storing in platform keystores
Last synced: 21 Jul 2026
https://github.com/isaacs/promise-call-limit
Call an array of promise-returning functions, restricting concurrency to a specified limit.
Last synced: 21 Jul 2026
https://github.com/kyleshevlin/eslint-plugin-use-encapsulation
An ESLint plugin to enforce the "useEncapsulation" pattern for React Hooks
Last synced: 21 Jul 2026
https://github.com/jsdom/js-symbol-tree
Turn any collection of objects into its own efficient tree or linked list using Symbol
algorithms browser data-structure dom efficiency es6 js linked-list list metadata nodejs queue symbol symbol-tree tree
Last synced: 21 Jul 2026
https://github.com/dominictarr/rc
The non-configurable configuration loader for lazy people.
Last synced: 21 Jul 2026
https://github.com/syntax-tree/mdast-util-gfm-autolink-literal
mdast extension to parse and serialize GFM autolink literals
autolink gfm mdast mdast-util unist url
Last synced: 21 Jul 2026
https://github.com/inconshreveable/mousetrap
Detect starting from Windows explorer
Last synced: 21 Jul 2026
https://github.com/tildeio/route-recognizer
A lightweight JavaScript library that matches paths against registered routes. It includes support for dynamic and star segments and nested handlers.
Last synced: 21 Jul 2026
https://github.com/antonk52/lilconfig
Zero-dependency nodejs config seeker.
config configuration nodejs typescript
Last synced: 21 Jul 2026
https://github.com/syntax-tree/hast-util-to-jsx-runtime
hast utility to transform to preact, react, solid, svelte, vue, etc
hast hast-util jsx preact react runtime solid svelte vue
Last synced: 21 Jul 2026
https://github.com/words/n-gram
Get n-grams from text
bigram dugram enneagram heptagram hexagram n-gram ngram octogram pentagram tetragram trigram unigram
Last synced: 21 Jul 2026
https://github.com/sindresorhus/pretty-ms
Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`
humanize milliseconds npm-package
Last synced: 21 Jul 2026