Refactored isGeneratorFn to avoid using function name;

Author: DigitalBrainJS

Diff for: lib/use-async-effect.js

@@ -7,9 +7,9 @@ const {E_REASON_QUEUE_OVERFLOW, E_REASON_RESTART} = CanceledError.registerErrors
     E_REASON_RESTART: 'restarted'
 })
 
-const isGeneratorFn = (thing) => typeof thing === 'function' &&
-    thing.constructor &&
-    thing.constructor.name === 'GeneratorFunction';
+function isGeneratorFn(thing) {
+    return typeof thing === 'function' && thing[Symbol.toStringTag] === 'GeneratorFunction';
+}
 
 const isEvent = (thing) => !!(thing && typeof thing === 'object' && thing.type);