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.