var unsupportedIterableToArray = require("./unsupportedIterableToArray");

function _createForOfIteratorHelper(r, e) {
  var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"];
  if (!t) {
    if (Array.isArray(r) || (t = unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) {
      t && (r = t);
      var n = 0,
        o = function() {};
      return {
        s: o,
        n: function() {
          return n >= r.length ? {
            done: !0
          } : {
            done: !1,
            value: r[n++]
          }
        },
        e: function(r) {
          throw r
        },
        f: o
      }
    }
    throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")
  }
  var a, u = !0,
    i = !1;
  return {
    s: function() {
      t = t.call(r)
    },
    n: function() {
      var r = t.next();
      return u = r.done, r
    },
    e: function(r) {
      i = !0, a = r
    },
    f: function() {
      try {
        u || null == t.return || t.return()
      } finally {
        if (i) throw a
      }
    }
  }
}
module.exports = _createForOfIteratorHelper;