Function getIteratorFn

docs/index.js:66–72

(maybeIterable)

  REACT_LAZY_TYPE = Symbol.for("react.lazy"),
  MAYBE_ITERATOR_SYMBOL = Symbol.iterator;
function getIteratorFn(maybeIterable) {
  if (null === maybeIterable || "object" !== typeof maybeIterable) return null;
  maybeIterable =
    (MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL]) ||
    maybeIterable["@@iterator"];
  return "function" === typeof maybeIterable ? maybeIterable : null;
}
var ReactNoopUpdateQueue = {
    isMounted: function () {
      return !1;