Minor fix

defunctzombie · Jun 9, 2020 · a0110de · a0110de
1 parent 9e3e759
commit a0110de
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/browser.js b/browser.js
@@ -18,12 +18,15 @@ function defaultClearTimeout () {
 }
 function detectQueueMicrotask () {
     try {
-        if (cachedQueueMicrotask !== queueMicrotask) {
+        if (!cachedQueueMicrotask && cachedQueueMicrotask !== queueMicrotask) {
             cachedQueueMicrotask = queueMicrotask;
+            return true;
         }
 
         return cachedQueueMicrotask !== undefined;
-    } catch (e) {}
+    } catch (e) {
+        return false;
+    }
 }
 (function () {
     try {
@@ -142,8 +145,6 @@ function drainQueue() {
     runClearTimeout(timeout);
 }
 
-;
-
 process.nextTick = function (fun) {
     var args = new Array(arguments.length - 1);
     if (arguments.length > 1) {