[is-kindof][author-www-url] [![npmjs.com][npmjs-img]][npmjs-url] [![The MIT License][license-img]][license-url] [![npm downloads][downloads-img]][downloads-url]

> Check type of given javascript value. Support promises, generators, streams, and native types. Built on [kind-of][] lib.

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Install

> Install with npm

``sh $ npm i is-kindof --save`

`Usage`


> For more use-cases see the tests

`js var is = require('is-kindof')

is.array([1, 2]) // => true is.boolean(true) // => true is.buffer(new Buffer('foo')) // => true is.date(new Date()) // => true is.error(new Error('foo')) // => true is.function(function noop () {}) // => true is.generator((function * gen () { yield 42 })()) // => true is.generatorfunction(function * genFn () {}) // => true is.map(new Map()) // => true is.null(null) // => true is.number(123) // => true is.object({ a: 'b' }) // => true is.promise(Promise.resolve(123)) // => true is.regexp(new RegExp('aa')) // => true is.set(new Set()) // => true is.stream(through2()) // => true is.string('fooo') // => true is.symbol(Symbol()) // => true is.undefined(undefined) // => true is.weakmap(new WeakMap()) // => true is.weakset(new WeakSet()) // => true``

- always-done: Handle completion and errors with elegance! Support for streams, callbacks, promises, child processes, async/await and sync functions. A drop-in replacement for [async-done][] - pass 100… more | homepage
- is-async-function: Is function really asynchronous function? Trying to guess that based on check if [common-callback-names][] exists as function arguments names or you can pass your custom. | homepage
- is-callback-function: Returns true if function is a callback. Checks its name is one of [common-callback-names][] - callback, cb, cb_, callback_, next, done, they can be customized… more | homepage
- kind-of-extra: Additional functionality to [kind-of][] type check utility. Support promises, generators, streams, errors. | homepage
- kind-of-types: List of all javascript types. Used and useful for checking, validation, sanitizing and testing. Like isStream, isPromise, isWeakset and etc. | homepage
- kind-of: Get the native type of a value. | homepage
- minibase: MiniBase is minimalist approach to Base - @node-base, the awesome framework. Foundation for building complex APIs with small units called plugins. Works well with most… more | homepage
- mukla: Small, parallel and fast test framework with suppport for async/await, promises, callbacks, streams and observables. Targets and works at node.js v0.10 and above. | homepage
- to-callback: Converts result-first callbacks to classic (node.js-style) error-first callbacks with 3 lines of code. Useful when you want to promisify result-first APIs (like emitter.on). Inspired by… more | homepage error-first callbacks with 3 lines of code. Useful when you want to promisify result-first APIs (like emitter.on). Inspired by [rfpify][] and probably used in it.")

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.

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[async-done]: https://github.com/gulpjs/async-done
[base]: https://github.com/node-base/base
[common-callback-names]: https://github.com/tunnckocore/common-callback-names
[kind-of]: https://github.com/jonschlinkert/kind-of
[rfpify]: https://github.com/samverschueren/rfpify

[npmjs-url]: https://www.npmjs.com/package/is-kindof
[npmjs-img]: https://img.shields.io/npm/v/is-kindof.svg?label=is-kindof

[license-url]: https://github.com/tunnckoCore/is-kindof/blob/master/LICENSE
[license-img]: https://img.shields.io/npm/l/is-kindof.svg

[downloads-url]: https://www.npmjs.com/package/is-kindof
[downloads-img]: https://img.shields.io/npm/dm/is-kindof.svg

[codeclimate-url]: https://codeclimate.com/github/tunnckoCore/is-kindof
[codeclimate-img]: https://img.shields.io/codeclimate/github/tunnckoCore/is-kindof.svg

[travis-url]: https://travis-ci.org/tunnckoCore/is-kindof
[travis-img]: https://img.shields.io/travis/tunnckoCore/is-kindof/master.svg

[coveralls-url]: https://coveralls.io/r/tunnckoCore/is-kindof
[coveralls-img]: https://img.shields.io/coveralls/tunnckoCore/is-kindof.svg

[david-url]: https://david-dm.org/tunnckoCore/is-kindof
[david-img]: https://img.shields.io/david/tunnckoCore/is-kindof.svg

[standard-url]: https://github.com/feross/standard
[standard-img]: https://img.shields.io/badge/code%20style-standard-brightgreen.svg

[author-www-url]: http://www.tunnckocore.tk
[author-www-img]: https://img.shields.io/badge/www-tunnckocore.tk-fe7d37.svg

[keybase-url]: https://keybase.io/tunnckocore
[keybase-img]: https://img.shields.io/badge/keybase-tunnckocore-8a7967.svg

[author-npm-url]: https://www.npmjs.com/~tunnckocore
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[author-twitter-url]: https://twitter.com/tunnckoCore
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[author-github-url]: https://github.com/tunnckoCore
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[freenode-url]: http://webchat.freenode.net/?channels=charlike
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