update

node_modules/rxjs/_esm5/util/root.js

@@ -0,0 +1,19 @@
+// CommonJS / Node have global context exposed as "global" variable.
+// We don't want to include the whole node.d.ts this this compilation unit so we'll just fake
+// the global "global" var for now.
+/** PURE_IMPORTS_START  PURE_IMPORTS_END */
+var __window = typeof window !== 'undefined' && window;
+var __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&
+    self instanceof WorkerGlobalScope && self;
+var __global = typeof global !== 'undefined' && global;
+var _root = __window || __global || __self;
+// Workaround Closure Compiler restriction: The body of a goog.module cannot use throw.
+// This is needed when used with angular/tsickle which inserts a goog.module statement.
+// Wrap in IIFE
+/*@__PURE__*/ (function () {
+    if (!_root) {
+        throw new Error('RxJS could not find any global context (window, self, global)');
+    }
+})();
+export { _root as root };
+//# sourceMappingURL=root.js.map