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Check if argv has a specific flag

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has-flag

Check if argv has a specific flag

Install

$ npm install has-flag

Usage

// 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

hasFlag(flag, argv?)

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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Score

Popularity60/100
Quality84/100
Maintenance100/100