Is Generator

Check whether a value is a generator or generator function.

Generator: A specific type of iterator object. Reference.
Generator Function: A function* declaration, returns a generator object. Reference.

Installation

npm install is-generator --save

Usage

 var isGenerator = require('is-generator')
var isGeneratorFn = require('is-generator').fn

isGenerator(null) //=> false
isGenerator(function * () {}) //=> false
isGenerator((function * () {})()) //=> true

isGeneratorFn(null) //=> false
isGeneratorFn(function () {}) //=> false
isGeneratorFn(function * () {}) //=> true

License

MIT