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

The Lodash method `_.merge` exported as a module.

Recursive Object.assign()

Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. No dependencies.

Write data to a file, replacing the file if it already exists and creating any intermediate directories if they don't already exist. Thin wrapper around node's native fs methods.