Utilities

Lightweight debugging utility for Node.js and the browser

Tiny millisecond conversion utility

A collection of essential TypeScript types

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

webpack Validation Utils

User-friendly glob matching

Constants and utilities about visitor keys to traverse AST.

utils for webpack loaders

A comprehensive library for mime-type mapping

Higher-order functions and common patterns for asynchronous code

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

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

Lodash modular utilities.

The ultimate javascript content-type utility.

General utilities for plugins to use

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.

HTTP status utility

Express style path to RegExp utility

Callback wrapping utility

Node.js 0.12 path.isAbsolute() ponyfill

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

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

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A utility function to get the type of a value

HTTP and HTTPS modules that follow redirects.

Utilities for ESLint plugins.

Node.js path.parse() ponyfill

Utilities for working with htmlparser2's dom

Minimal async jobs utility library, with streams support

utility box for ECMAScript language tools

Node.js's util module for all engines

Detect whether or not an object is a Typed Array

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Escape string for use in HTML

ES2019 spec-compliant String.prototype.trimStart shim.

ES2019 spec-compliant String.prototype.trimEnd shim.

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

A set of utility functions for expect and related packages

merge() utility function

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utilities for primitive JavaScript types

Simplified HTTP request client.

AST utils for webassemblyjs

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

utilities for working with typescript's AST

Buffer manipulation utility

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

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