Run an array of functions in parallel

Run a function exactly one time

Call a specified method on each value in the given object.

Returns true if a value is a plain object, array or function.

Generate hashes from javascript objects in node and the browser.

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

ES2015 `Object.assign()` ponyfill

Create an object path from a list or array of strings.

extend like a boss

Utility functions to deal with references in objects

Access deep object properties using a path

Merges the enumerable properties of two or more objects deeply.

Lowercase the keys of an object

A small polyfill for Object.setprototypeof

Promisify an entire class or object

No-dependencies, low-level, high-performance JIT code generation package for JavaScript

Extra assertions on top of node's assert module

Reduces an object to a value that is the accumulated result of running each property in the object through a callback.

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

Get callsites from the V8 stack trace API