'use strict';

var toObject = Object;
var TypeErr = TypeError;

module.exports = function flags() {
	if (this != null && this !== toObject(this)) {
		throw new TypeErr('RegExp.prototype.flags getter called on non-object');
	}
	var result = '';
	if (this.global) {
		result += 'g';
	}
	if (this.ignoreCase) {
		result += 'i';
	}
	if (this.multiline) {
		result += 'm';
	}
	if (this.dotAll) {
		result += 's';
	}
	if (this.unicode) {
		result += 'u';
	}
	if (this.sticky) {
		result += 'y';
	}
	return result;
};