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.
type-fest
A collection of essential TypeScript types
commander
the complete solution for node.js command-line programs
wrap-ansi
Wordwrap a string with ANSI escape codes
glob
the most correct and second fastest glob implementation in JavaScript
emoji-regex
A regular expression to match all Emoji-only symbols as per the Unicode Standard.
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
p-limit
Run multiple promise-returning & async functions with limited concurrency
locate-path
Get the first path that exists on disk of multiple paths
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.
minipass
minimal implementation of a PassThrough stream
p-locate
Get the first fulfilled promise that satisfies the provided testing function
ajv
Another JSON Schema Validator
glob-parent
Extract the non-magic parent path from a glob string.
isarray
Array#isArray for older browsers
signal-exit
when you want to fire an event no matter how a process exits.
which
Like which(1) unix command. Find the first instance of an executable in the PATH.
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
yargs
yargs the modern, pirate-themed, successor to optimist.
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.
get-stream
Get a stream as a string, Buffer, ArrayBuffer or array
resolve
resolve like require.resolve() on behalf of files asynchronously and synchronously
resolve-from
Resolve the path of a module like `require.resolve()` but from a given path
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.
cliui
easily create complex multi-column command-line-interfaces
path-key
Get the PATH environment variable key cross-platform
camelcase
Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`
cross-spawn
Cross platform child_process#spawn and child_process#spawnSync
punycode
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.
agent-base
Turn a function into an `http.Agent` instance
inherits
Browser-friendly inheritance fully compatible with standard node.js inherits()
whatwg-url
An implementation of the WHATWG URL Standard's URL API and parsing machinery
rimraf
A deep deletion module for node (like `rm -rf`)
mime-types
The ultimate javascript content-type utility.
kind-of
Get the native type of a value.
postcss
Tool for transforming styles with JS plugins
tr46
An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing
@babel/types
Babel Types is a Lodash-esque utility library for AST nodes
mkdirp
Recursively mkdir, like `mkdir -p`
typescript
TypeScript is a language for application scale JavaScript development
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
is-stream
Check if something is a Node.js stream
convert-source-map
Converts a source-map from/to different formats and allows adding/changing properties.
qs
A querystring parser that supports nesting and arrays, with a depth limit
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.
slash
Convert Windows backslash paths to slash paths
micromatch
Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.
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`
execa
Process execution for humans
isexe
Minimal module to check if a file is executable.
chokidar
Minimal and efficient cross-platform file watching library
is-number
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
onetime
Ensure a function is only called once
@jest/types
This package contains shared types of Jest's packages.
universalify
Make a callback- or promise-based function support both promises and callbacks.
@babel/code-frame
Generate errors that contain a code frame that point to source locations.
y18n
the bare-bones internationalization library used by yargs
picocolors
The tiniest and the fastest library for terminal output formatting with ANSI colors
strip-bom
Strip UTF-8 byte order mark (BOM) from a string
has-symbols
Determine if the JS environment has Symbol support. Supports spec, or shams.
readdirp
Recursive version of fs.readdir with small RAM & CPU footprint.
pify
Promisify a callback-style function
get-intrinsic
Get and robustly cache all JS language-level intrinsics at first require time
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
make-dir
Make a directory and its parents if needed - Think `mkdir -p`
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
to-regex-range
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
@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
cookie
HTTP server cookie parsing and serialization
browserslist
Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-env-preset
graceful-fs
A drop-in replacement for fs, making various improvements.
cosmiconfig
Find and load configuration from a package.json property, rc file, TypeScript module, and more!
hasown
A robust, ES3 compatible, "has own property" predicate.
escalade
A tiny (183B to 210B) and fast utility to ascend parent directories
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.
gopd
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
npm-run-path
Get your PATH prepended with locally installed binaries
jest-worker
Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.
encodeurl
Encode a URL to a percent-encoded form, excluding already-encoded sequences
ci-info
Get details about the current Continuous Integration environment
wrappy
Callback wrapping utility
lodash
Lodash modular utilities.
caniuse-lite
A smaller version of caniuse-db, with only the essentials!
is-extglob
Returns true if a string has an extglob.
jest-util
This packages is a collection of utilities and helper functions
fast-glob
It's a very fast and efficient glob library for Node.js
path-type
Check if a path is a file, directory, or symlink
object-inspect
string representations of objects in node and the browser
ini
An ini encoder/decoder for node
is-arrayish
Determines if an object can be used as an array
depd
Deprecate all the things
once
Run a function exactly one time
callsites
Get callsites from the V8 stack trace API
esbuild
An extremely fast JavaScript and CSS bundler and minifier.
anymatch
Matches strings against configurable strings, globs, regular expressions, and/or functions
espree
An Esprima-compatible JavaScript parser built on Acorn
jackspeak
A very strict and proper argument parser.
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.
globby
User-friendly glob matching
dotenv
Loads environment variables from .env file
nanoid
A tiny (118 bytes), secure URL-friendly unique string ID generator
side-channel
Store information about any JS value in a side channel. Uses WeakMap if available.
esprima
ECMAScript parsing infrastructure for multipurpose analysis
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.
async
Higher-order functions and common patterns for asynchronous code
es-errors
A simple cache for a few of the JS Error constructors.
axios
Promise based HTTP client for the browser and node.js
eslint
An AST-based pattern checker for JavaScript.
hosted-git-info
Provides metadata and conversions from repository urls for GitHub, Bitbucket and GitLab
uri-js
An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.
delayed-stream
Buffers events from a stream until you are ready to handle them.
rxjs
Reactive Extensions for modern JavaScript
type-check
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
@smithy/types
[](https://www.npmjs.com/package/@smithy/types) [](https://www.npmjs.com/package/@smithy/types)
util-deprecate
The Node.js `util.deprecate()` function with browser support
combined-stream
A stream that emits multiple other streams one after another.
esutils
utility box for ECMAScript language tools
get-caller-file
[](https://travis-ci.org/stefanpenner/get-caller-file) [](https://ci.a
@smithy/util-buffer-from
[](https://www.npmjs.com/package/@smithy/util-buffer-from) [](https://www.npmjs.com/package/@smithy
extend-shallow
Extend an object with the properties of additional objects. node.js/javascript util.
levn
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
flat-cache
A simple key/value storage using files to persist the data
reusify
Reuse objects and functions with style
fastq
Fast, in memory work queue
asynckit
Minimal async jobs utility library, with streams support
@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
define-property
Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.
keyv
Simple key-value storage with support for multiple backends