Files
node/tools/node_modules/eslint/node_modules/has-flag
Luigi Pinca aee3ef523a tools: make update-eslint.sh work with npm@7
Install `eslint-plugin-markdown` at the same level of `eslint` without
cd'ing into `eslint` directory, otherwise the following error is raised:

```
npm ERR! code ERESOLVE
npm ERR! Cannot destructure property 'name' of 'node' as it is null.
```

PR-URL: https://github.com/nodejs/node/pull/37566
Fixes: https://github.com/nodejs/node/issues/37560
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
2021-03-04 18:46:45 +01:00
..
2018-03-24 04:11:48 -07:00

has-flag Build Status

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

To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.

License

MIT © Sindre Sorhus