Utilities

Lightweight debugging utility for Node.js and the browser

Tiny millisecond conversion utility

A collection of essential TypeScript types

webpack Validation Utils

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

Constants and utilities about visitor keys to traverse AST.

User-friendly glob matching

A comprehensive library for mime-type mapping

Babel Types is a Lodash-esque utility library for AST nodes

utils for webpack loaders

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

Higher-order functions and common patterns for asynchronous code

Lodash modular utilities.

HTTP status utility

General utilities for plugins to use

The ultimate javascript content-type utility.

Strip comments from JSON. Lets you use comments in your JSON files!

The `util.is*` functions introduced in Node v0.12.

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.

Express style path to RegExp utility

A utility function to get the type of a value

Callback wrapping utility

Node.js 0.12 path.isAbsolute() ponyfill

Utilities for working with htmlparser2's dom

HTTP and HTTPS modules that follow redirects.

The Node.js `util.deprecate()` function with browser support

Node.js path.parse() ponyfill

Minimal async jobs utility library, with streams support

utility box for ECMAScript language tools

A set of utility functions for expect and related packages

Node.js's util module for all engines

A tiny (183B to 210B) and fast utility to ascend parent directories

Utilities for ESLint plugins.

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

Escape string for use in HTML

ES2019 spec-compliant String.prototype.trimStart shim.

ES2019 spec-compliant String.prototype.trimEnd shim.

Detect whether or not an object is a Typed Array

merge() utility function

A utility package to parse strings

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

AST utils for webassemblyjs

utilities for working with typescript's AST

Buffer manipulation utility

Captures and cleans stack traces

Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster

Utilities for working with TypeScript + ESLint together