Persistent ordered mapping from strings

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

node's assert.deepEqual algorithm except for NaN being equal to NaN

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

Detect whether or not an object is a Typed Array

Lightweight event delegation

Regular expression for matching ANSI escape codes

Diff & Patch for Javascript objects

Regular expression for matching ANSI escape codes

minimal implementation of a PassThrough stream

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

POSIX character classes for creating regular expressions.

A regex that tokenizes JavaScript.

regexpuâ s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

once is a Node.js module to call a function exactly one time. Subsequent calls will either return the cached previous value or throw an error if desired.

Converts callback-based functions to ES6 Promises

Sign and unsign cookies

Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.

Another JSON Schema Validator

Streams3, a user-land copy of the stream library from Node.js

Copies non-react specific statics from a child component to a parent component

Convert bytes to other sizes for prettier logging

TypeScript definitions for connect

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