is-es6-generators

Check whether a value is a generator or generator function. The co() way, more strict checking. Always return boolean true or false, never null or undefined.

Install

npm i is-es6-generators --save
npm test

Usage

For more use-cases see the tests

var isGenerator = require('is-es6-generators')
var isGeneratorFunction = require('is-es6-generators').fn

var generator = (function * () {})()
var generatorFunction = function * () {yield 42}

isGenerator(null) //=> false
isGenerator(undefined) //=> false
isGenerator([1, 2, 3]) //=> false
isGenerator({name: 'GeneratorFunction'}) //=> false
isGenerator(25) //=> false
isGenerator('test') //=> false
isGenerator(generatorFunction) //=> false
isGenerator(generator), true)

isGeneratorFunction(null) //=> false
isGeneratorFunction(generatorFunction) //=> true
isGeneratorFunction(generator) //=> false

See also

• is-generator-function-name: Check that given value have GeneratorFunction name or displayName.
• is-generator: Check whether a value is a generator or generator function
• is-hybrid: Check whether an object looks like Hybrid which is promises-a+ promise and callback api
• is-promise: Test whether an object looks like a promises-a+ promise
• is-missing: Check that given name or user/repo exists in npm registry or in github as user repository.
• is-installed: Checks that given package is installed on the system - globally or locally.
• is-kindof: Thin wrapper around kind-of and in bonus functional api.
• npm-related: Thin wrapper on top of helper-related for generating a list of links to the homepages of related NPM projects.

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
But before doing anything, please read the CONTRIBUTING.md guidelines.

Charlike Make Reagent