+++ /dev/null
-'use strict';
-var $ = require('../internals/export');
-var IS_PURE = require('../internals/is-pure');
-var getBuiltIn = require('../internals/get-built-in');
-var anObject = require('../internals/an-object');
-var aFunction = require('../internals/a-function');
-var getIterator = require('../internals/get-iterator');
-var iterate = require('../internals/iterate');
-
-// `Set.prototype.isSubsetOf` method
-// https://tc39.github.io/proposal-set-methods/#Set.prototype.isSubsetOf
-$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
- isSubsetOf: function isSubsetOf(iterable) {
- var iterator = getIterator(this);
- var otherSet = anObject(iterable);
- var hasCheck = otherSet.has;
- if (typeof hasCheck != 'function') {
- otherSet = new (getBuiltIn('Set'))(iterable);
- hasCheck = aFunction(otherSet.has);
- }
- return !iterate(iterator, function (value, stop) {
- if (hasCheck.call(otherSet, value) === false) return stop();
- }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
- }
-});