Refactored;

Author: DigitalBrainJS

lib/use-async-effect.js

@@ -10,15 +10,14 @@ const isGeneratorFn = (thing) => typeof thing === 'function' &&
     thing.constructor.name === 'GeneratorFunction';
 
 const useAsyncEffect = (generator, deps) => {
-    let _promise;
+    let promise;
 
     useEffect(() => {
         if (!isGeneratorFn(generator)) {
             throw TypeError('useAsyncEffect requires a generator as the first argument');
         }
 
-        const promise = CPromise.resolveGenerator(generator, {resolveSignatures: true});
-        _promise = promise;
+        promise = CPromise.resolveGenerator(generator, {resolveSignatures: true});
 
         let cb;
 
@@ -31,13 +30,13 @@ const useAsyncEffect = (generator, deps) => {
 
         return () => {
             promise.cancel(E_REASON_UNMOUNTED);
-            _promise = null;
+            promise = null;
             cb && cb();
         }
     }, deps);
 
     return [
-        (reason) => !!_promise && _promise.cancel(reason)
+        (reason) => !!promise && promise.cancel(reason)
     ]
 }