Full featured Promises/A+ implementation with exceptionally good performance

deep cloning of objects and arrays

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

Convert streaming vinyl files to use buffers

writable stream that concatenates strings or binary data and calls a callback with the result

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use ca

simple, flexible, fun test framework

Use conventional text streams at the start of your gulp or vinyl pipelines