IvanAlekseev1/Pibd-21_Alekseev_I.S._Internet_Programming

History

VanyaAlekseev ccc3e790bb lab2		2023-12-03 16:59:28 +04:00
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index.d.ts	lab2	2023-12-03 16:59:28 +04:00
index.js	lab2	2023-12-03 16:59:28 +04:00
license	lab2	2023-12-03 16:59:28 +04:00
package.json	lab2	2023-12-03 16:59:28 +04:00
readme.md	lab2	2023-12-03 16:59:28 +04:00

readme.md

has-flag

Check if argv has a specific flag

Correctly stops looking after an -- argument terminator.

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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.

Security

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