shell bypass 403
'use strict';
var charAt = require('../internals/string-multibyte').charAt;
var toString = require('../internals/to-string');
var InternalStateModule = require('../internals/internal-state');
var defineIterator = require('../internals/define-iterator');
var STRING_ITERATOR = 'String Iterator';
var setInternalState = InternalStateModule.set;
var getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);
// `String.prototype[@@iterator]` method
// https://tc39.es/ecma262/#sec-string.prototype-@@iterator
defineIterator(String, 'String', function (iterated) {
setInternalState(this, {
type: STRING_ITERATOR,
string: toString(iterated),
index: 0
});
// `%StringIteratorPrototype%.next` method
// https://tc39.es/ecma262/#sec-%stringiteratorprototype%.next
}, function next() {
var state = getInternalState(this);
var string = state.string;
var index = state.index;
var point;
if (index >= string.length) return { value: undefined, done: true };
point = charAt(string, index);
state.index += point.length;
return { value: point, done: false };
});