Additional functionality to kind-of type check utility. Support promises, generators, streams, errors.

Install with npm

$ npm i kind-of-extra --save

For more use-cases see the tests

const kindOfExtra = require('kind-of-extra')

Type check utility on steroids.

Params

• val {Mixed}: value to check what type is
• returns {String}: type of the given val

Example

var kindof = require('kind-of-extra')

kindof(123) // => 'number'
kindof('foo') // => 'string'
kindof({a: 'b'}) // => 'object'
kindof(null) // => 'null'
kindof(undefined) // => 'undefined'
kindof(false) // => 'boolean'
kindof(true) // => 'boolean'
kindof(new Date()) // => 'date'

var through2 = require('through2')
kindof(through2()) // => 'stream'
kindof(new Error('foo')) // => 'error'
kindof(Promise.resolve(42)) // => 'promise'
kindof(function * () { yield 43 }) // => 'generatorfunction'
kindof((a, b) => { return a + b }) // => 'function'

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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.