https://github.com/guseyn/cutie-is

Cutie extension for checking types in JavaScript.
https://github.com/guseyn/cutie-is

Last synced: 10 months ago
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Cutie extension for checking types in JavaScript.

• Host: GitHub
• URL: https://github.com/guseyn/cutie-is
• Owner: Guseyn
• License: mit
• Created: 2018-05-21T12:23:11.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2022-02-11T16:00:05.000Z (over 4 years ago)
• Last Synced: 2025-08-20T14:52:39.839Z (11 months ago)
• Language: JavaScript
• Size: 101 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 8
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# cutie-is

[![NPM Version](https://img.shields.io/npm/v/@cuties/is.svg)](https://npmjs.org/package/@cuties/is)

[![Build Status](https://travis-ci.org/Guseyn/cutie-is.svg?branch=master)](https://travis-ci.org/Guseyn/cutie-is)

[![codecov](https://codecov.io/gh/Guseyn/cutie-is/branch/master/graph/badge.svg)](https://codecov.io/gh/Guseyn/cutie-is)

[Cutie](https://github.com/Guseyn/cutie) extension for checking types in JavaScript. It's based on the [Async Tree Pattern](https://github.com/Guseyn/async-tree-patern/blob/master/Async_Tree_Patern.pdf).

## Examples

You can find examples of using this library in the [test directory](https://github.com/Guseyn/cutie-is/tree/master/test).

## Install

`npm install @cuties/is`

## Run test

`npm test`

## Run build

`npm run build`

## Usage

```js

const {

  // Here needed async objects from the table below

} = require('@cuties/is');

```

| Async Object  | Async/sync call | Parameters | Representation result |

| ------------- | ----------------| ---------- | --------------------- |

| `Is` | `value instanceof clazz` | `value, clazz` | `boolean` |

| `IsArray` | `Array.isArray` | `value` | `boolean` |

| `IsBoolean` | `typeof value === 'boolean'` | `value` | `boolean` |

| `IsDate` | `value instanceof Date` | `value` | `boolean` |

| `IsFunction` | `typeof value === 'function'` | `value` | `boolean` |

| `IsNull` | `typeof value === null` | `value` | `boolean` |

| `IsNumber` | `typeof value === 'number'` | `value` | `boolean` |

| `IsObject` | `typeof value === 'object'` | `value` | `boolean` |

| `IsRealObject` | `typeof value === 'object' && value !== null` | `value` | `boolean` |

| `IsString` | `typeof value === 'string'` | `value` | `boolean` |

| `IsSymbol` | `typeof value === 'symbol'` | `value` | `boolean` |

| `IsUndefined` | `typeof value === 'undefined'` | `value` | `boolean` |