JSPM

A collection of essential TypeScript types

User-friendly glob matching

Higher-order functions and common patterns for asynchronous code

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

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

HTTP and HTTPS modules that follow redirects.

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.

Escape string for use in HTML

ES2019 spec-compliant String.prototype.trimStart shim.

ES2019 spec-compliant String.prototype.trimEnd shim.

Bindings for the Watchman file watching service

CLI app helper

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

Type check values

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

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

unist utility to recursively walk over nodes, with ancestral information

unist utility to visit nodes

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

A simple utility for conditionally joining classNames together

mdast utility to get the plain text content of a node

vfile utility to create a virtual message

unist utility to check if a node passes a test

A small utility for creating warnings and emitting them.

micromark utility with symbols

micromark utility with a couple of typescript types

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

micromark utility to handle character codes

mdast utility to parse markdown

micromark utility to encode dangerous html characters

micromark utility to decode numeric character references

micromark utility to tokenize subtokens

micromark utility to resolve subtokens

micromark utility with list of html tag names

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

mdast utility to serialize markdown

micromark utility to combine syntax or html extensions

micromark utility to classify whether a character is whitespace or punctuation

micromark utility to splice and push with giant arrays

mdast utility to transform to hast

micromark utility to decode markdown strings

micromark utility to sanitize urls

mdast utility to check if a node is phrasing content

unist utility to get the position of a node

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

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

mdast extension to parse and serialize GFM autolink literals

mdast extension to parse and serialize GFM strikethrough

Cypress's fork of a simplified HTTP request client.

Escape a string for use in HTML or the inverse

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

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

mdast extension to parse and serialize GFM tables

mdast extension to parse and serialize GFM footnotes

mdast extension to parse and serialize GFM task list items

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

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

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

mdast utility to find definition nodes in a tree

unist utility to remove positions from a tree

Correctly declare progressive enhancements for CSS Custom Properties.

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

hast utility to transform from a `parse5` AST

hast utility to reparse a tree

A fast 642B utility that makes reading multipart responses simple

hast utility to transform to a `parse5` AST

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

Utilities for watching file trees.

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

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

Utility Types Collection for TypeScript

hast utility to serialize to HTML

unist utility to check if a node is generated

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

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

return whitelisted properties of an object

esast (and estree) utility to visit nodes

unist utility to create a new trees with a nice syntax

Lightweight and faster alternative to Ramda with included TS definitions

unist utility to get a position from an estree node

hast utility to transform to estree (JavaScript AST) JSX

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

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

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

Common utility functions for oas-kit

estree (and esast) utility to serialize to JavaScript

unist utility to find a node after another node

hast utility to parse from HTML

Type assertions aka less-broken `typeof`

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

A cross platform Promise.allSettled polyfill

unist utility to remove nodes from a tree

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

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

function binding utility

Prototype inheritance utility

Simplified HTTP request client.

hast utility to check if a node has a property

Get the last or last n elements in an array.

Simple help and sanity checks for Node CLI bin scripts

Function argument validation for humans

estree (and esast) utility to parse from JavaScript

hast utility to sanitize nodes

unist utility to find nodes after another node

nlcst utility to transform a tree to a string

mdast extension to parse and serialize math

unist utility to modify direct children of a parent

mdast utility to remove empty paragraphs from a tree

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

esast utility to transform from estree

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]`)

hast utility to create a tree from the DOM

unist utility to visit direct children of a parent

React utility to merge refs.

Utilities for watching file trees.

Small, performant & immutable iteration utilities for Arrays and Objects

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

Utility data structure used in discord.js

Similar to String#trim() but removes only newlines

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

vfile utility to create a report for a file

mdast utility to make a tree compact

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

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

vfile utility to sort messages by line/column

A utility library for JavaScript and Typescript.

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.

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

hast utility to check if a node is phrasing content

Ethereum RPC and Provider errors.

unist utility to inspect nodes

vfile utility to read and write to the file system

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

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

Detect native Symbol support.

Test if a value is a string.

Insert supplied variable values into a format string.

Detect native Symbol.toStringTag support.

Test if an object has a specified property.

Escape a regular expression string or pattern.

Define (or modify) an object property.

Test if a value is a boolean.

Ethereum RPC and Provider errors

Determine the specification defined classification of an object.

Test if a value is a function.

Test if a value is a Float64Array.

Replace search occurrences with a replacement string.

Determine a value's type.

Return the current working directory.

Detect native Uint32Array support.

Test if a value is a Uint32Array.

Detect native Float32Array support.

Detect native Float64Array support.

Test if a value is an array.

Determine the name of a value's constructor.

Convert between POSIX and Windows paths.

Test if a value is object-like.

Test if a value is a Uint8Array.

Detect native Uint16Array support.

Test if a value is a Uint16Array.

Return the global object.

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.

Function which does nothing.

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

Detect native Uint8Array support.

Platform float word order.

Check if an environment is little endian.

Detect native Buffer support.

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

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

Platform byte order.

Read data from stdin.

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

Define a non-enumerable read-only property.

Create a regular expression from a regular expression string.

Check if an environment is big endian.

Generate string from a token array by interpolating values.

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

Add a callback to the next tick queue.

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.

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.

Command-line interface.

Test if a value is a Float32Array.

Test if a value is a number.

Test if a value is a regular expression string.

Convert a string to lowercase.

mdast utility to generate a table of contents from a tree

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

Convenience wrapper for Got to interact with the GitHub API

UI utilities

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

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

vfile utility to parse the YAML front matter in a file

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

Simple CLDR traverser

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.

A collection of useful utilities.

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

mdast utility to parse a comment marker

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

Escape regular expression special characters

A crawling file watcher.

Merge two lists, trying to preserve the order of both

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

Minimum utility toolbelt

unist utility to select nodes with CSS-like selectors

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

Flatten a nested array.

Ultra tiny, opinionated, positioning engine.

A minimal dom utility toolbelt

Transform deprecated styling attributes on HAST table cells to inline styles

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

unist utility to create a new tree by mapping all nodes

mdast utility to transform to nlcst

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

mdast utility to get the style of a heading

hast utility to find and replace text in a tree

Cross-browser type assertions (less broken typeof)

Various utility functions

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.

Escape regular expression special characters

Simple function that return the first non null or undefined argument

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

hast utility to merge class names together

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

Returns a shallow copy of an object without blacklisted properties

less broken typeof

Gets you the Cypress test command log as JSON on failure

Convert react components to plain text without any HTML markup

Get the prototype chain of any value as an Array

Simplified, lightweight HTTP client library

Easy way to mock process.env during BDD testing

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

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

here-document on node.js

Format an error message for production.

Convert Gitignore to Glob patterns

unist utility to find a node

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

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