flagr

Get all flags present on argv and his value easily Check if argv has a specific flag

Install

$ npm install --save flagr

Usage

Check if a given flag exists

$ node foo.js --prod --watch --env="production"

// foo.js
const { exist } = require('flagr');
 
exist('--prod');
//=> true
 
exist('prod');
//=> true
 
exist('--watch');
//=> true
 
exist('--env');
//=> true
 
exist('--test');
//=> false
 

Retrieve flag value

$ node foo.js --prod --watch="true" --env="production"

// foo.js
const { get } = require('flagr');
 
get('--prod');
//=> ''
 
get('--watch');
//=> true
 
get('--env');
//=> production
 
get('env');
//=> production

API

exist(flag, [argv])

Returns a boolean whether the flag exists.

flag

Type: string

CLI flag to look for. The -- prefix is optional.

argv

Type: array
Default: process.argv

get(flag, [argv])

Returns the value from flag.

flag

Type: string

CLI flag to look for. The -- prefix is optional.

argv

Type: array
Default: process.argv