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                                                                                                                                                                                     'use strict';

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