has-flag

> Check if argv has a specific flag

Install

``
$ npm install has-flag
`

Usage

`js
// foo.js
import hasFlag from 'has-flag';

hasFlag('unicorn');
//=> true

hasFlag('--unicorn');
//=> true

hasFlag('f');
//=> true

hasFlag('-f');
//=> true

hasFlag('foo=bar');
//=> true

hasFlag('foo');
//=> false

hasFlag('rainbow');
//=> false
`

`
$ node foo.js -f --unicorn --foo=bar -- --rainbow
`

API

$3

Returns a boolean for whether the flag exists.

It correctly stops looking after an -- argument terminator.

#### flag

Type: string

CLI flag to look for. The -- prefix is optional.

#### argv

Type: string[]\
Default: process.argv`

CLI arguments.

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