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