JSPM

Test if a value is a Uint16Array.

Convert between POSIX and Windows paths.

Generate string from a token array by interpolating values.

Get a property from an object using dot (object path) notation.

Test if a value is a Buffer object.

Test if a value is a plain object.

Return the prototype of a provided object.

Test if a value is an object.

Function which does nothing.

Return the global object.

Test if a value is a regular expression.

Detect native Buffer support.

Test if a value is a Float32Array.

Test if a value is a number.

Check if an environment is little endian.

Platform float word order.

Convert a double-precision floating-point number to the nearest single-precision floating-point number.

Return an integer corresponding to the unbiased exponent of a double-precision floating-point number.

Test if a double-precision floating-point numeric value is NaN.

Detect native Uint8Array support.

Split a double-precision floating-point number into a higher order word and a lower order word.

Read data from stdin.

Check if an environment is big endian.

Platform byte order.

Test if a double-precision floating-point numeric value is infinite.

Add a callback to the next tick queue.

Create a regular expression from a regular expression string.

Return an unsigned 32-bit integer corresponding to the more significant 32 bits of a double-precision floating-point number.

Create a double-precision floating-point number from a higher order word and a lower order word.

Command-line interface.

Test if a value is a regular expression string.

Convenience wrapper for Got to interact with the GitHub API

Convert a string to lowercase.

mdast utility to generate a table of contents from a tree

UI utilities

(IEC) Utility to parse a string bytes to bytes and vice-versa

vfile utility to parse the YAML front matter in a file

Flexible utility to create styled and type-safe React components

Tiny wrapper around ansi-colors to add colored symbols and a timestamp.

A collection of useful utilities.

More than 130 Handlebars helpers in ~20 categories. Helpers can be used with Assemble, Generate, Verb, Ghost, gulp-handlebars, grunt-handlebars, consolidate, or any node.js/Handlebars project.

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Simple CLDR traverser

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A utility for generating Tailwind CSS class names and a hook for applying styles in React components.

Escape regular expression special characters

Flattens React children and fragments to an array with predictable and stable keys

mdast utility to parse a comment marker

Simple utility styles to get up and running quickly and consistently.

Modular scss utility library to build better styles faster

Minimum utility toolbelt

unist utility to select nodes with CSS-like selectors

A crawling file watcher.

Return a copy of the object only containing the whitelisted properties.

Merge two lists, trying to preserve the order of both

Utility to make vitest tests fail when console.error() or console.warn() are used

Flatten a nested array.

Ultra tiny, opinionated, positioning engine.

A powerful yet neat way to write responsive styles for emotion CSS-in-Js

Get unique values of an array. Really, like deeply unique.

mdast utility to get the style of a heading

🔧 Fast, modern, and practical utility library for FP in TypeScript.

unist utility to create a new tree by mapping all nodes

hast utility to find and replace text in a tree

mdast utility to transform to nlcst

Cross-browser type assertions (less broken typeof)

Simple function that return the first non null or undefined argument

More than 130 Handlebars helpers in ~20 categories. Helpers can be used with Assemble, Generate, Verb, Ghost, gulp-handlebars, grunt-handlebars, consolidate, or any node.js/Handlebars project.

Various utility functions

Recursively omit empty properties from an object. Omits empty objects, arrays, strings or zero.

Escape regular expression special characters

hast utility to merge class names together

Blazing fast, tree-shakeable, type-safe, modern utility library to sort any type of array in less than 1 KB!

Convert react components to plain text without any HTML markup

Returns a shallow copy of an object without blacklisted properties

Convert Gitignore to Glob patterns

Get the prototype chain of any value as an Array

Convert Errors & Objects into an easily-serialized vanilla Object.

less broken typeof

here-document on node.js

Gets you the Cypress test command log as JSON on failure

Easy way to mock process.env during BDD testing

Simplified, lightweight HTTP client library

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A collection of decorators using lodash at it's core.

CSSMEM is like BEM but with CSS Module instead of Block.

es-escape-html rewrite for ESM

unist utility to find a node

Format an error message for production.

Tiny logger with styles and levels for Node/TypeScript.

Emit `ETIMEDOUT` or `ESOCKETTIMEDOUT` when ClientRequest is hanged

TOAST UI Utility: CodeSnippet

Returns `true` if the given `string` or `array` ends with `suffix` using strict equality for comparisons.

hast utility to transform to the DOM

Returns true if a filepath starts with the given string. Works with windows and posix/unix paths.

Reduces an object to a value that is the accumulated result of running each property in the object through a callback. Executes the callback function once for each own enumerable property in the object, receiving four arguments: the initial value (or valu

hast utility to check if a node is a conditional comment

Test if a finite double-precision floating-point number is an integer.

Replace search occurrences with a replacement string.

A library of Javascript utility functions with an emphasis on Functional Programming.

Returns `true` if the given string or array starts with prefix using strict equality for comparisons. Using fastest implementation.

Test if a finite numeric value is an odd number.

React utility to flatten fragments.

Simple merge utility to extend objects without extra dependencies

Convert a string to lowercase.

puppeteer + dom-testing-library

Simplified HTTP request client.

A Javascript utility library for working with native objects.

React Native flashbar and top notification alert utility

Core module for the Sugar Javascript utility library.

vandium common utility functions

TypeScript common pattern shortcut definitions / utility gist library

Check if the package is being installed by another package

vfile utility to find one or more files by searching the file system upwards

Check if a value is undefined or not.

nlcst utility to check whether a node is meant literally

Test if a finite numeric value is an even number.

Test if a value is a number having a nonnegative integer value.

Utility to find webpack settings in react-scripts and other situations

Test if a value is a number having an integer value.

Test if a double-precision floating-point numeric value is positive zero.

Constant function.

Test if a value is NaN.

Set the more significant 32 bits of a double-precision floating-point number.

Utilities for react-native + iOS and wrappers for using swift together with fabric/paper + JSI

Returns `true` if a value exists in the given string, array or object.

Convert an unsigned 32-bit integer to a signed 32-bit integer.

A modern tooling library for asynchronous operations using async/await, promises and async generators

Set the less significant 32 bits of a double-precision floating-point number.

Given an object returns list of all possible paths to its properties

Assert utility from yeoman

Utils for normalizing and formatting repo data.

A collection of serverless framework utilities

Test if a value is a collection.

Parses a regular expression string and returns a new regular expression.

React components for [Stripe.js and Elements](https://stripe.com/docs/stripe-js).

Returns the first index at which a given element can be found.

qsu is a utility library that contains useful and frequently used functions. Start with your preferred language and the modern development environment.

Return an unsigned 32-bit integer corresponding to the less significant 32 bits of a double-precision floating-point number.

Test if a value is an Int8Array.

A lightweight Node.js library to fetch the file size from a remote URL without downloading the file. Zero dependencies. Returns a Promise with the file size formatted as 'B', 'KB', 'MB', 'GB', or 'TB'.

Create a new object filtered to have only properties for which the callback returns true.

Test if a value is an Int32Array.

Copy an error object.

Test if a double-precision floating-point numeric value is negative zero.

Detect native Uint8ClampedArray support.

Test if a value is an arguments object.

nlcst utility to normalize a word for easier comparison

hast utility to transform to nlcst

nlcst utility to search for patterns in a tree

Query for the status of any game server in Node.JS

A VitePress auto sidebar plugin that automatically creates a simple configuration.

Test if a value is a Uint8ClampedArray.

Detect native Int32Array support.

Test if a value is an Int16Array.

Validate, sanitize and document JSON schemas

Return the first index at which a given element can be found.

Detect native Int16Array support.

unist utility to find nodes before another node

Detect native Int8Array support.

Test if an object's own property is enumerable.

Return an array of an object's own enumerable property names.

Match substrings on the left or right of a given index, ignoring whitespace

A Typescript-First utility library inspired by Lodash. Optimized for modern browsers.

walk directory for esm and cjs modules

Minify email templates

TypeScript utilities for exception handling and errors-as-values.

Test if a value is an Error object.

Alias for eval global.

Detect native generator function support.

Collection of utilities for FusionCharts

Essential utilities for TypeScript projects

Utilities for working with common protobuf types

String manipulation functions.

Define a non-enumerable read-only accessor.

Return a property descriptor for an object's own property.

Standard assertion utilities.

Return an array of an object's own enumerable and non-enumerable property names.

Auto-import components in Astro projects

Standard utilities.

hast utility to check if an element is a JavaScript script

Minimal JavaScript type checking library

Command-line interface.

React Hook & Utility Library

Return an unsigned 32-bit integer corresponding to the IEEE 754 binary representation of a single-precision floating-point number.

hast utility to check if an element is a css link

OS utilities.

Process utilities.

Time utilities.

hast utility to set the plain-text value of a node

Tells if the current Mocha execution is running only some tests that use .only

hast utility to check if a property is an event handler

hast utility to check if an element is a css style

Define a read-only property.

A very fast server-side animated GIF generation for Node.js

Higher-order functions and common patterns for asynchronous code

Transforms BDD input into data-driven snapshot

🛠️ Useful exported utilities for working with Schematics

Parse bytes to human readable sizes (4747) → ('4.75 KB') and vice versa.

🍛 Simple curry functions

Test if a value is a number having a positive integer value.

Return an array with the unique values present in _all_ given arrays using strict equality for comparisons.

A utility for generating .npmrc files based on configuration template and environment variables.

xast utility to serialize to XML

Add an object to an array between each element

TypeScript utilities.

nlcst utility to support emoticons in nlcst

nlcst utility to merge affix emoticons into the previous sentence

Component to iterate an array round robin.

nlcst utility to support emoji

mdast utility to use headings as ranges in mdast

TypeScript-STL (Standard Template Library, migrated from C++)

Arcjet utilities for finding the originating IP of a request

util

Test whether a value has in its prototype chain a specified constructor as a prototype property.

Test if a value is a number having a positive value.

mdast extension to parse and serialize highlight mark

xast utility to create trees

Detect native Symbol.iterator support.

Transport mechanisms for the Arcjet protocol

Arcjet runtime detection

Arcjet lightweight logger which mirrors the Pino structured logger interface

Arcjet environment detection

Test if a value is an ArrayBuffer.

vfile utility to find one or more files by searching the file system downwards

The TypeScript & JavaScript interface into the Arcjet protocol

Utility to find nodes between two nodes

Arcjet utilities for parsing duration strings

Arcjet extension of the Headers class

polyfill for es8 Object.values

Maybe call a callback if it's a function

Arcjet platform-independent replacement for util.format

Test if a value is a complex number-like object.

Common utility functions

Library for validating, parsing, and formatting data against open api schemas.

A simple set of utility functions for colours.

Test if a value is an array-like object.

Build Typed GraphQL Queries in TypeScript. A better TypeScript + GraphQL experience.

unist utility to find the nodes between two nodes

Extended version of Rambda - a lightweight, faster alternative to Ramda

Common utilities for Felte packages

Utility library to traverse AST

Convert an array-like object to an object likely to have the same "shape".

A dynamic utility builder for SASS (SCSS) aimed at generating utilities with little to no config.

Convert property access strings into functions

Fastest way for creating null-prototype objects in JavaScript

hast utility to excerpt the tree to a comment

Fast effective logging library for both Node, the Browser, and Workers!

Command line app to deep sort JSON files, retains package.json special key order

A React hook for managing cookies with no dependencies.