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- 'use strict';
- var $ = require('../internals/export');
- var IS_PURE = require('../internals/is-pure');
- var anObject = require('../internals/an-object');
- var aFunction = require('../internals/a-function');
- var iterate = require('../internals/iterate');
- // `Set.prototype.isSupersetOf` method
- // https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf
- $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
- isSupersetOf: function isSupersetOf(iterable) {
- var set = anObject(this);
- var hasCheck = aFunction(set.has);
- return !iterate(iterable, function (value, stop) {
- if (hasCheck.call(set, value) === false) return stop();
- }, { INTERRUPTED: true }).stopped;
- }
- });
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