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Kaj Forney 14dd6bccfd Parrot preseed changes		2018-10-17 15:35:13 -06:00
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index.js	Parrot preseed changes	2018-10-17 15:35:13 -06:00
package.json	Parrot preseed changes	2018-10-17 15:35:13 -06:00
readme.md	Parrot preseed changes	2018-10-17 15:35:13 -06:00

readme.md

has-flag

Check if argv has a specific flag

Correctly stops looking after an -- argument terminator.

Install

$ npm install --save has-flag

Usage

// foo.js
const hasFlag = require('has-flag');

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

hasFlag('--unicorn');
//=> 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 whether the flag exists.

flag

Type: string

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

argv

Type: array
Default: process.argv

CLI arguments.