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is-generator

Is Generator

NPM version NPM downloads Build status Test coverage

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