'use strict'; var $ = require('../internals/export'); var iterate = require('../internals/iterate'); var aCallable = require('../internals/a-callable'); var anObject = require('../internals/an-object'); var getIteratorDirect = require('../internals/get-iterator-direct'); // `Iterator.prototype.some` method // https://github.com/tc39/proposal-iterator-helpers $({ target: 'Iterator', proto: true, real: true }, { some: function some(predicate) { anObject(this); aCallable(predicate); var record = getIteratorDirect(this); var counter = 0; return iterate(record, function (value, stop) { if (predicate(value, counter++)) return stop(); }, { IS_RECORD: true, INTERRUPTED: true }).stopped; } });