has-flag
¶ ↑
Check if {
argv
} has a specific flag
Correctly stops looking after an --
argument terminator.
Install¶ ↑
$ npm install has-flag
Usage¶ ↑
// foo.js const hasFlag = require('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.
flag¶ ↑
Type: string
CLI flag to look for. The --
prefix is optional.
argv¶ ↑
Type: string[]
Default: process.argv
CLI arguments.
License¶ ↑
MIT © Sindre Sorhus