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home/emeraadmin/public_html/node_modules/core-js-pure/modules/esnext.iterator.filter.js000064400000002362151701457740025536 0ustar00'use strict';
var $ = require('../internals/export');
var call = require('../internals/function-call');
var aCallable = require('../internals/a-callable');
var anObject = require('../internals/an-object');
var getIteratorDirect = require('../internals/get-iterator-direct');
var createIteratorProxy = require('../internals/iterator-create-proxy');
var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
var IS_PURE = require('../internals/is-pure');

var IteratorProxy = createIteratorProxy(function () {
  var iterator = this.iterator;
  var predicate = this.predicate;
  var next = this.next;
  var result, done, value;
  while (true) {
    result = anObject(call(next, iterator));
    done = this.done = !!result.done;
    if (done) return;
    value = result.value;
    if (callWithSafeIterationClosing(iterator, predicate, [value, this.counter++], true)) return value;
  }
});

// `Iterator.prototype.filter` method
// https://github.com/tc39/proposal-iterator-helpers
$({ target: 'Iterator', proto: true, real: true, forced: IS_PURE }, {
  filter: function filter(predicate) {
    anObject(this);
    aCallable(predicate);
    return new IteratorProxy(getIteratorDirect(this), {
      predicate: predicate
    });
  }
});