JSPM

A collection of essential TypeScript types

User-friendly glob matching

Higher-order functions and common patterns for asynchronous code

HTTP and HTTPS modules that follow redirects.

Utility to parse a string bytes to bytes and vice-versa

Extend an object with the properties of additional objects. node.js/javascript util.

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.

ES2019 spec-compliant String.prototype.trimStart shim.

Escape string for use in HTML

ES2019 spec-compliant String.prototype.trimEnd shim.

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

Bindings for the Watchman file watching service

Utility for normalizing a numeric range, with a wrapping function useful for polar coordinates

CLI app helper

Type check values

A simple utility for conditionally joining classNames together

Lazy-evaluating list of files, based on globs or regex patterns

unist utility to recursively walk over nodes, with ancestral information

unist utility to serialize a node, position, or point as a human readable location

unist utility to visit nodes

vfile utility to create a virtual message

unist utility to check if a node passes a test

mdast utility to get the plain text content of a node

micromark utility to handle character codes

micromark utility with symbols

micromark utility to resolve subtokens

A small utility for creating warnings and emitting them.

micromark utility to decode markdown strings

micromark utility with a couple of typescript types

mdast utility to parse markdown

Combines a list of arrays, returning a single array with unique values, using strict equality for comparisons.

micromark utility to encode dangerous html characters

micromark utility normalize identifiers (as found in references, definitions)

micromark utility to combine syntax or html extensions

hast utility to check if a node is inter-element whitespace

micromark utility to splice and push with giant arrays

micromark utility to sanitize urls

micromark utility to decode numeric character references

micromark utility to tokenize subtokens

micromark utility with list of html tag names

mdast utility to serialize markdown

micromark utility to classify whether a character is whitespace or punctuation

mdast utility to transform to hast

unist utility to get the position of a node

mdast utility to check if a node is phrasing content

hast utility to create trees

hast utility to create an element from a simple CSS selector

mdast utility to find and replace text in a tree

Cypress's fork of a simplified HTTP request client.

mdast extension to parse and serialize GFM autolink literals

mdast utility to find definition nodes in a tree

Escape a string for use in HTML or the inverse

mdast extension to parse and serialize GFM tables

mdast extension to parse and serialize GFM strikethrough

mdast extension to parse and serialize GFM task list items

mdast extension to parse and serialize GFM (GitHub Flavored Markdown)

vfile utility to convert between positional (line and column-based) and offset (range-based) locations

mdast extension to parse and serialize MDX or MDX.js JSX

mdast extension to parse and serialize GFM footnotes

mdast extension to parse and serialize MDX.js ESM (import/exports)

mdast extension to parse and serialize MDX (or MDX.js) expressions

hast utility to reparse a tree

Correctly declare progressive enhancements for CSS Custom Properties.

unist utility to remove positions from a tree

hast utility to transform to preact, react, solid, svelte, vue, etc

hast utility to transform from a `parse5` AST

hast utility to transform to a `parse5` AST

easy to use progress-bar for command-line/terminal applications

A fast 642B utility that makes reading multipart responses simple

Utility Types Collection for TypeScript

Utilities for watching file trees.

Determine an app's root path from anywhere inside the app

hast utility to check if a node is a (certain) element

unist utility to check if a node is generated

hast utility to serialize to HTML

esast (and estree) utility to visit nodes

unist utility to create a new trees with a nice syntax

Coalesce for JavaScript. Returns the first value that is not undefined or null.

return whitelisted properties of an object

A small utility, used by Fastify itself, for generating consistent error objects across your codebase and plugins.

mdast extension to parse and serialize frontmatter (YAML, TOML, etc)

Lightweight and faster alternative to Ramda with included TS definitions

unist utility to get a position from an estree node

mdast extension to parse and serialize MDX (or MDX.js)

estree (and esast) utility to serialize to JavaScript

hast utility to transform to estree (JavaScript AST) JSX

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

Common utility functions for oas-kit

unist utility to find a node after another node

hast utility to get the plain-text value of a node according to the `innerText` algorithm

hast utility to parse from HTML

Starts server, waits for URL, then runs test command; when the tests end, shuts down server

unist utility to remove nodes from a tree

A cross platform Promise.allSettled polyfill

Type assertions aka less-broken `typeof`

Simplified HTTP request client.

hast utility to get the rank (or depth, level) of headings

function binding utility

Prototype inheritance utility

nlcst utility to transform a tree to a string

hast utility to check if a node has a property

Get the last or last n elements in an array.

estree (and esast) utility to parse from JavaScript

hast utility to create a tree from the DOM

Simple help and sanity checks for Node CLI bin scripts

mdast extension to parse and serialize math

hast utility to sanitize nodes

Function argument validation for humans

Get all but the last element or last n elements of an array.

Takes a string, such as "1,2,3-10,5-8" and turns it into an array of numbers

mdast extension to parse and serialize generic directives (`:cite[smith04]`)

unist utility to modify direct children of a parent

unist utility to find nodes after another node

esast utility to transform from estree

unist utility to visit direct children of a parent

mdast utility to remove empty paragraphs from a tree

React utility to merge refs.

Small, performant & immutable iteration utilities for Arrays and Objects

Utility data structure used in discord.js

Utilities for watching file trees.

hast utility that turns HTML into a syntax tree (while being small in browsers)

unist utility to create a new tree with nodes that pass a filter

hast utility for `querySelector`, `querySelectorAll`, and `matches`

vfile utility to create a report for a file

vfile utility to count messages per category: failures, warnings, etc

Require Node module and immediately remove it from module cache to force loading again next time

mdast utility to make a tree compact

hast utility to check if a node is an embedded element

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data.

Similar to String#trim() but removes only newlines

vfile utility to sort messages by line/column

A utility library for JavaScript and Typescript.

Determine the specification defined classification of an object.

Ethereum RPC and Provider errors.

hast utility to check if a node is phrasing content

Determine a value's type.

Test if a value is a Uint8Array.

hast utility to check if a link element is “Body OK”

Test if a value is a Uint16Array.

Detect native Float64Array support.

Detect native Uint16Array support.

vfile utility to read and write to the file system

Function which does nothing.

Ethereum RPC and Provider errors

Platform float word order.

Check if an environment is little endian.

unist utility to inspect nodes

Return a normal number `y` and exponent `exp` satisfying `x = y * 2^exp`.

Test if a value is an array.

Detect native Symbol support.

Detect native Symbol.toStringTag support.

Escape a regular expression string or pattern.

Test if an object has a specified property.

Define (or modify) an object property.

Test if a value is a boolean.

Determine the name of a value's constructor.

Test if a value is a string.

Convert between POSIX and Windows paths.

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

Insert supplied variable values into a format string.

Replace search occurrences with a replacement string.

Generate string from a token array by interpolating values.

Test if a value is a function.

Test if a value is a Uint32Array.

Return the current working directory.

Platform byte order.

Detect native Float32Array support.

Return the global object.

Test if a value is a Float64Array.

Test if a value is a regular expression.

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

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

Detect native Uint32Array support.

Test if a value is object-like.

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

Test if a value is a Buffer object.

Create a regular expression from a regular expression string.

Detect native Uint8Array support.

Test if a value is a plain object.

Define a non-enumerable read-only property.

Detect native Buffer support.

Add a callback to the next tick queue.

Command-line interface.

Return the prototype of a provided object.

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

Tokenize a string into an array of string parts and format identifier objects.

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

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

mdast utility to generate a table of contents from a tree

Check if an environment is big endian.

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

Test if a value is an object.

Read data from stdin.

Test if a value is a Float32Array.

Test if a value is a number.

Convert a string to lowercase.

Test if a value is a regular expression string.

UI utilities

Convenience wrapper for Got to interact with the GitHub API

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

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

A collection of useful utilities.

vfile utility to parse the YAML front matter in a file

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

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

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.

Simple CLDR traverser

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

mdast utility to parse a comment marker

<!-- This file is AUTO-GENERATED, edit _README.template.md or tweak scripts/generateDocs.ts -->

Escape regular expression special characters

A minimal dom utility toolbelt

Transform deprecated styling attributes on HAST table cells to inline styles

unist utility to select nodes with CSS-like selectors

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

Minimum utility toolbelt

Merge two lists, trying to preserve the order of both

Ultra tiny, opinionated, positioning engine.

A crawling file watcher.

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

Flatten a nested array.

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

Cross-browser type assertions (less broken typeof)

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

unist utility to create a new tree by mapping all nodes

mdast utility to transform to nlcst

mdast utility to get the style of a heading

Escape regular expression special characters

hast utility to find and replace text in a tree

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.

Simple function that return the first non null or undefined argument

Various utility functions

Convert react components to plain text without any HTML markup

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

Returns a shallow copy of an object without blacklisted properties

Convert Gitignore to Glob patterns

hast utility to merge class names together

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

here-document on node.js

less broken typeof

Get the prototype chain of any value as an Array

Gets you the Cypress test command log as JSON on failure

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

Easy way to mock process.env during BDD testing

Simplified, lightweight HTTP client library

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

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

TOAST UI Utility: CodeSnippet

unist utility to find a node

es-escape-html rewrite for ESM