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'use strict'; var aSet = require('../internals/a-set'); var has = require('../internals/set-helpers').has; var size = require('../internals/set-size'); var getSetRecord = require('../internals/get-set-record'); var iterateSimple = require('../internals/iterate-simple'); var iteratorClose = require('../internals/iterator-close');
// `Set.prototype.isSupersetOf` method
// https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf
module.exports = function isSupersetOf(other) { var O = aSet(this); var otherRec = getSetRecord(other); if (size(O) < otherRec.size) return false; var iterator = otherRec.getIterator(); return iterateSimple(iterator, function (e) { if (!has(O, e)) return iteratorClose(iterator, 'normal', false); }) !== false; };
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