Clear from queue immidiately

porsager · Dec 26, 2019 · 0f08fb9 · 0f08fb9
1 parent 8ad6ae4
commit 0f08fb9
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/lib/queue.js b/lib/queue.js
@@ -11,14 +11,16 @@ function Queue() {
     push: (x) => xs.push(x),
     peek: () => xs[index],
     shift: () => {
+      const out = xs[index++]
+
       if (index === xs.length) {
-        index = -1
+        index = 0
         xs = []
-      } else if (index > 0) {
+      } else {
         xs[index - 1] = undefined
       }
 
-      return xs[index++]
+      return out
     }
   }
 }