has-flag
Check if argv has a specific flagInstall
$ npm install has-flagUsage
// 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 -- --rainbowAPI
hasFlag(flag, argv?)
Returns a boolean for whether the flag exists.It correctly stops looking after an
-- argument terminator.flag
Type:stringCLI flag to look for. The
-- prefix is optional.argv
Type:string[]\
Default: process.argvCLI arguments.
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