Improving the get restream credentials

node_modules/@babel/runtime/helpers/asyncIterator.js

@@ -1,16 +1,50 @@
-function _asyncIterator(iterable) {
-  var method;
-
-  if (typeof Symbol !== "undefined") {
-    if (Symbol.asyncIterator) method = iterable[Symbol.asyncIterator];
-    if (method == null && Symbol.iterator) method = iterable[Symbol.iterator];
-  }
-
-  if (method == null) method = iterable["@@asyncIterator"];
-  if (method == null) method = iterable["@@iterator"];
-  if (method == null) throw new TypeError("Object is not async iterable");
-  return method.call(iterable);
-}
-
-module.exports = _asyncIterator;
-module.exports["default"] = module.exports, module.exports.__esModule = true;
+function _asyncIterator(iterable) {
+  var method,
+      async,
+      sync,
+      retry = 2;
+
+  for ("undefined" != typeof Symbol && (async = Symbol.asyncIterator, sync = Symbol.iterator); retry--;) {
+    if (async && null != (method = iterable[async])) return method.call(iterable);
+    if (sync && null != (method = iterable[sync])) return new AsyncFromSyncIterator(method.call(iterable));
+    async = "@@asyncIterator", sync = "@@iterator";
+  }
+
+  throw new TypeError("Object is not async iterable");
+}
+
+function AsyncFromSyncIterator(s) {
+  function AsyncFromSyncIteratorContinuation(r) {
+    if (Object(r) !== r) return Promise.reject(new TypeError(r + " is not an object."));
+    var done = r.done;
+    return Promise.resolve(r.value).then(function (value) {
+      return {
+        value: value,
+        done: done
+      };
+    });
+  }
+
+  return AsyncFromSyncIterator = function AsyncFromSyncIterator(s) {
+    this.s = s, this.n = s.next;
+  }, AsyncFromSyncIterator.prototype = {
+    s: null,
+    n: null,
+    next: function next() {
+      return AsyncFromSyncIteratorContinuation(this.n.apply(this.s, arguments));
+    },
+    "return": function _return(value) {
+      var ret = this.s["return"];
+      return void 0 === ret ? Promise.resolve({
+        value: value,
+        done: !0
+      }) : AsyncFromSyncIteratorContinuation(ret.apply(this.s, arguments));
+    },
+    "throw": function _throw(value) {
+      var thr = this.s["return"];
+      return void 0 === thr ? Promise.reject(value) : AsyncFromSyncIteratorContinuation(thr.apply(this.s, arguments));
+    }
+  }, new AsyncFromSyncIterator(s);
+}
+
+module.exports = _asyncIterator, module.exports.__esModule = true, module.exports["default"] = module.exports;