is-plain-object
Returns true if an object was created by the `Object` constructor, or Object.create(null).
is-what
JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.
isobject
Returns true if the value is an object and not an array or null.
typechecker
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
isobject-ts
Determine wether something is an object, with TypeScript support.