@ jamesarlow/isit

A type tester for fundamental javascript.

Overview

Isit is a simple utility class which provides static methods to test essential type information about javascript values.

Test Fundamental Types

• isArray
• isFunction
• isString
• isNumeric

Differentiate Hierarchy from Instance

• isObject : i.e. none-of-the-above
• isPrototype : i.e. A.prototype, but not A or new A
• isPlainObject : i.e. isObject and !isPrototype
• isClass : i.e. A function with a prototype (not anonymous)
• isPlainFunction : i.e. A function without a prototype (anonymous)

Installation

npm install @jamesarlow/isit