has-flag
Check if argv
has a specific flag
Correctly stops looking after an --
argument terminator.
Install
$ npm install has-flag
Usage
const hasFlag = require('has-flag');
hasFlag('unicorn');
hasFlag('--unicorn');
hasFlag('f');
hasFlag('-f');
hasFlag('foo=bar');
hasFlag('foo');
hasFlag('rainbow');
$ node foo.js -f --unicorn --foo=bar -- --rainbow
API
hasFlag(flag, [argv])
Returns a boolean for whether the flag exists.
flag
Type: string
CLI flag to look for. The --
prefix is optional.
argv
Type: string[]
Default: process.argv
CLI arguments.
Security
To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.
License
MIT © Sindre Sorhus