2 var $ = require('../internals/export');
3 var IS_PURE = require('../internals/is-pure');
4 var anObject = require('../internals/an-object');
5 var aFunction = require('../internals/a-function');
6 var iterate = require('../internals/iterate');
8 // `Set.prototype.isSupersetOf` method
9 // https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf
10 $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
11 isSupersetOf: function isSupersetOf(iterable) {
12 var set = anObject(this);
13 var hasCheck = aFunction(set.has);
14 return !iterate(iterable, function (value, stop) {
15 if (hasCheck.call(set, value) === false) return stop();
16 }, { INTERRUPTED: true }).stopped;