Returns true if the value is an object and not an array or null.

Returns true if an object was created by the `Object` constructor, or Object.create(null).

Standard library

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

Creates a shallow clone of any JavaScript value.

Variant of merge that's useful for webpack configuration

A node.js package for Steven Levithan's excellent dateFormat() function.

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