Port of jQuery.extend for node.js and the browser

ES2015 `Object.assign()` ponyfill

A library for deep (recursive) merging of Javascript objects

Recursive object extending

ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

JavaScript Standard Style

Lodash modular utilities.

Light-weight option parsing with an argv hash. No optstrings attached.

Split a levelup database into sublevels with their own keyspace, encoding and events

tap-producing test harness for node and browsers

Store your application config in the right location.

ESLint plugin about ECMAScript syntactic features.

Transform deprecated styling attributes on HAST table cells to inline styles

browser-side require() the node way

JavaScript test spies, stubs and mocks.