flow like the river

BACK_BACK/node_modules/babel-runtime/helpers/asyncIterator.js

@@ -0,0 +1,32 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _getIterator2 = require("../core-js/get-iterator");
+
+var _getIterator3 = _interopRequireDefault(_getIterator2);
+
+var _iterator = require("../core-js/symbol/iterator");
+
+var _iterator2 = _interopRequireDefault(_iterator);
+
+var _symbol = require("../core-js/symbol");
+
+var _symbol2 = _interopRequireDefault(_symbol);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = function (iterable) {
+  if (typeof _symbol2.default === "function") {
+    if (_symbol2.default.asyncIterator) {
+      var method = iterable[_symbol2.default.asyncIterator];
+      if (method != null) return method.call(iterable);
+    }
+
+    if (_iterator2.default) {
+      return (0, _getIterator3.default)(iterable);
+    }
+  }
+
+  throw new TypeError("Object is not async iterable");
+};