has-flag / 2.0.0 last updated 4 months ago created on Jul 7th 2015

Install

npm install --save has-flag

Clone

git clone git@github.com:sindresorhus/has-flag.git

dependencies

No dependencies listed.

maintainers

sindresorhus sindresorhus
jbnicolai

versions

2.0.0 4 months ago sindresorhus
1.0.0 a year ago sindresorhus
38734 Downloads yesterday.

readme

has-flag Build Status

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.

License

MIT © Sindre Sorhus

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