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Package detail

is-generator

blakeembrey2.9mMIT1.0.3TypeScript support: definitely-typed

Check whether a value is a generator or generator function

generator, generator function, yield, function, await, es6, function*

readme

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