has-flag
Check if
argvhas 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.
Get professional support for this package with a Tidelift subscription
Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies.
Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies.
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent