https://github.com/iguntur/proto-exists

https://github.com/iguntur/proto-exists

Last synced: about 11 hours ago
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• Host: GitHub
• URL: https://github.com/iguntur/proto-exists
• Owner: iguntur
• License: mit
• Created: 2017-02-18T19:51:58.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-02-18T22:50:51.000Z (over 7 years ago)
• Last Synced: 2024-10-12T17:58:27.424Z (26 days ago)
• Language: JavaScript
• Size: 2.93 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# proto-exists [![Build Status](https://travis-ci.org/iguntur/proto-exists.svg?branch=master)](https://travis-ci.org/iguntur/proto-exists)

> Check if prototype exists and prototype is a function

## Install

```

$ npm install --save proto-exists

```

## Usage

```js

const protoExists = require('proto-exists');

class Foo {

    constructor() {

        this.bar = '⚛';

        this.barQuux = () => '⚇';

    }

    baz() {

        return this.bar;

    }

    get getter() {

        return this.bar;

    }

    set setter(input) {

        this.bar = input;

    }

}

// returns true

protoExists(Foo, 'baz');

protoExists(new Foo(), 'baz');

// returns false

protoExists(Foo, 'notExists');

protoExists(Foo, 'barQuux');

protoExists(Foo, 'bar');

protoExists(Foo, 'getter');

protoExists(Foo, 'setter');

protoExists(new Foo(), 'notExists');

protoExists(new Foo(), 'bar');

```

## API

### protoExists(construct, name)

Returns a boolean value.

#### construct

Type: ``, ``

A constructor function.

#### name

Type: `string`

The prototype name of constructor.

## License

MIT © [Guntur Poetra](http://iguntur.starmediateknik.com)