Rope-based persistent sequence type

Easily handle defaults for your options

Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

Map over an array or object of values in parallel or series, passing each through the async iterator, with optional lifecycle hooks.

Fast deep equal

Sort the keys in an object.

Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js

Mixin the own and inherited properties of other objects onto the first object. Pass an empty object as the first arg to shallow clone.

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

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

Take a nested Javascript object and flatten it, or unflatten an object with delimited keys

Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.

Map `visit` over an array of objects.

Deep comparison of 2 instances for should.js

return whitelisted properties of an object

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

Convert an object's keys to snake case

Visit a method over the items in an object, or map visit over the objects in an array.

Underlying library of executing Postman Collections