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CompleteNodeJS/notes-app/node_modules/has-flag/index.js
Jason Williams 6528d7204a Section 20
2019-08-11 12:15:16 -06:00

9 lines
320 B
JavaScript

'use strict';
module.exports = (flag, argv) => {
argv = argv || process.argv;
const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--');
const pos = argv.indexOf(prefix + flag);
const terminatorPos = argv.indexOf('--');
return pos !== -1 && (terminatorPos === -1 ? true : pos < terminatorPos);
};