semver
The semantic version parser used by npm.
debug
Lightweight debugging utility for Node.js and the browser
ansi-styles
ANSI escape codes for styling strings in the terminal
chalk
Terminal string styling done right
ms
Tiny millisecond conversion utility
ansi-regex
Regular expression for matching ANSI escape codes
string-width
Get the visual width of a string - the number of columns required to display it
tslib
Runtime library for TypeScript helper functions
lru-cache
A cache object that deletes the least-recently-used items.
commander
the complete solution for node.js command-line programs
type-fest
A collection of essential TypeScript types
emoji-regex
A regular expression to match all Emoji-only symbols as per the Unicode Standard.
glob
the most correct and second fastest glob implementation in JavaScript
wrap-ansi
Wordwrap a string with ANSI escape codes
has-flag
Check if argv has a specific flag
readable-stream
Node.js Streams, a user-land copy of the stream library from Node.js
find-up
Find a file or directory by walking up parent directories
locate-path
Get the first path that exists on disk of multiple paths
p-limit
Run multiple promise-returning & async functions with limited concurrency
p-locate
Get the first fulfilled promise that satisfies the provided testing function
minipass
minimal implementation of a PassThrough stream
picomatch
Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.
react-is
Brand checking of React Elements.
ajv
Another JSON Schema Validator
glob-parent
Extract the non-magic parent path from a glob string.
isarray
Array#isArray for older browsers
which
Like which(1) unix command. Find the first instance of an executable in the PATH.
signal-exit
when you want to fire an event no matter how a process exits.
js-yaml
YAML 1.2 parser and serializer
argparse
CLI arguments parser. Native port of python's argparse.
globals
Global identifiers from different JavaScript environments
resolve-from
Resolve the path of a module like `require.resolve()` but from a given path
yargs
yargs the modern, pirate-themed, successor to optimist.
resolve
resolve like require.resolve() on behalf of files asynchronously and synchronously
iconv-lite
Convert character encodings in pure javascript.
fs-extra
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.
cliui
easily create complex multi-column command-line-interfaces
get-stream
Get a stream as a string, Buffer, ArrayBuffer or array
path-key
Get the PATH environment variable key cross-platform
ws
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
ignore
Ignore is a manager and filter for .gitignore rules, the one used by eslint, gitbook and many others.
camelcase
Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`
punycode
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.
cross-spawn
Cross platform child_process#spawn and child_process#spawnSync
inherits
Browser-friendly inheritance fully compatible with standard node.js inherits()
agent-base
Turn a function into an `http.Agent` instance
whatwg-url
An implementation of the WHATWG URL Standard's URL API and parsing machinery
kind-of
Get the native type of a value.
mkdirp
Recursively mkdir, like `mkdir -p`
mime-types
The ultimate javascript content-type utility.
is-stream
Check if something is a Node.js stream
rimraf
A deep deletion module for node (like `rm -rf`)
typescript
TypeScript is a language for application scale JavaScript development
@babel/types
Babel Types is a Lodash-esque utility library for AST nodes
webidl-conversions
Implements the WebIDL algorithms for converting to and from JavaScript values
form-data
A library to create readable "multipart/form-data" streams. Can be used to submit forms and file uploads to other web applications.
entities
Encode & decode XML and HTML entities with ease & speed
postcss
Tool for transforming styles with JS plugins
tr46
An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing
slash
Convert Windows backslash paths to slash paths
braces
Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.
isexe
Minimal module to check if a file is executable.
convert-source-map
Converts a source-map from/to different formats and allows adding/changing properties.
is-number
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
fill-range
Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`
qs
A querystring parser that supports nesting and arrays, with a depth limit
onetime
Ensure a function is only called once
chokidar
Minimal and efficient cross-platform file watching library
universalify
Make a callback- or promise-based function support both promises and callbacks.
micromatch
Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.
execa
Process execution for humans
picocolors
The tiniest and the fastest library for terminal output formatting with ANSI colors
pify
Promisify a callback-style function
y18n
the bare-bones internationalization library used by yargs
make-dir
Make a directory and its parents if needed - Think `mkdir -p`
strip-bom
Strip UTF-8 byte order mark (BOM) from a string
@jest/types
This package contains shared types of Jest's packages.
has-symbols
Determine if the JS environment has Symbol support. Supports spec, or shams.
get-intrinsic
Get and robustly cache all JS language-level intrinsics at first require time
@babel/code-frame
Generate errors that contain a code frame that point to source locations.
jsesc
Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.
buffer
Node.js Buffer API, for the browser
mime
A comprehensive library for mime-type mapping
readdirp
Recursive version of fs.readdir with small RAM & CPU footprint.
is-glob
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
yaml
JavaScript parser and stringifier for YAML
graceful-fs
A drop-in replacement for fs, making various improvements.
to-regex-range
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
browserslist
Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset
cookie
HTTP server cookie parsing and serialization
normalize-path
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.
npm-run-path
Get your PATH prepended with locally installed binaries
@babel/traverse
The Babel Traverse module maintains the overall tree state, and is responsible for replacing, removing, and adding nodes
node-fetch
A light-weight module that brings Fetch API to node.js
hasown
A robust, ES3 compatible, "has own property" predicate.
gopd
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
ci-info
Get details about the current Continuous Integration environment
escalade
A tiny (183B to 210B) and fast utility to ascend parent directories
encodeurl
Encode a URL to a percent-encoded form, excluding already-encoded sequences
is-extglob
Returns true if a string has an extglob.
cosmiconfig
Find and load configuration from a package.json property, rc file, TypeScript module, and more!
path-type
Check if a path is a file, directory, or symlink
is-arrayish
Determines if an object can be used as an array
caniuse-lite
A smaller version of caniuse-db, with only the essentials!
wrappy
Callback wrapping utility
lodash
Lodash modular utilities.
jest-util
This packages is a collection of utilities and helper functions
jest-worker
Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.
fast-glob
It's a very fast and efficient glob library for Node.js
once
Run a function exactly one time
callsites
Get callsites from the V8 stack trace API
object-inspect
string representations of objects in node and the browser
ini
An ini encoder/decoder for node
depd
Deprecate all the things
anymatch
Matches strings against configurable strings, globs, regular expressions, and/or functions
es-object-atoms
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
has-tostringtag
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
esprima
ECMAScript parsing infrastructure for multipurpose analysis
es-errors
A simple cache for a few of the JS Error constructors.
side-channel
Store information about any JS value in a side channel. Uses WeakMap if available.
esbuild
An extremely fast JavaScript and CSS bundler and minifier.
prelude-ls
prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.
espree
An Esprima-compatible JavaScript parser built on Acorn
globby
User-friendly glob matching
@smithy/types
[](https://www.npmjs.com/package/@smithy/types) [](https://www.npmjs.com/package/@smithy/types)
jackspeak
A very strict and proper argument parser.
type-check
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
axios
Promise based HTTP client for the browser and node.js
delayed-stream
Buffers events from a stream until you are ready to handle them.
nanoid
A tiny (118 bytes), secure URL-friendly unique string ID generator
dotenv
Loads environment variables from .env file
hosted-git-info
Provides metadata and conversions from repository urls for GitHub, Bitbucket and GitLab
async
Higher-order functions and common patterns for asynchronous code
@smithy/util-buffer-from
[](https://www.npmjs.com/package/@smithy/util-buffer-from) [](https://www.npmjs.com/package/@smithy
uri-js
An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.
get-caller-file
[](https://travis-ci.org/stefanpenner/get-caller-file) [](https://ci.a
util-deprecate
The Node.js `util.deprecate()` function with browser support
eslint
An AST-based pattern checker for JavaScript.
combined-stream
A stream that emits multiple other streams one after another.
esutils
utility box for ECMAScript language tools
levn
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
extend-shallow
Extend an object with the properties of additional objects. node.js/javascript util.
rxjs
Reactive Extensions for modern JavaScript
asynckit
Minimal async jobs utility library, with streams support
fs.realpath
Use node's fs.realpath, but fall back to the JS implementation if the native one fails
reusify
Reuse objects and functions with style
fastq
Fast, in memory work queue
@babel/helpers
Collection of helper functions used by Babel transforms.
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 changed since the last run
diff
A JavaScript text diff implementation.
keyv
Simple key-value storage with support for multiple backends