From e37c07adb421e1fe4cc24bc95af79e900d4ddff9 Mon Sep 17 00:00:00 2001
From: Joseph Montanaro <jfmonty2@gmail.com>
Date: Mon, 21 Nov 2022 21:23:50 -0800
Subject: [PATCH] rework routing

---
 src/lib/queue.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/lib/queue.js b/src/lib/queue.js
index 99678e3..bf78d58 100644
--- a/src/lib/queue.js
+++ b/src/lib/queue.js
@@ -1,13 +1,19 @@
+/* Simple asynchronous queue.
+To make `get` blocking, we create a new promise and store its `resolve` function in `resolvers`.
+The next time an item is added to the queue, it will be resolved.
+*/
+
 export default function() {
     return {
         items: [],
 
-        resolvers: []
+        resolvers: [],
 
         put(item) {
             this.items.push(item);
-            if (resolvers.length > 0) {
-                resolvers.shift().resolve();
+            if (this.resolvers.length > 0) {
+                let resolver = this.resolvers.shift();
+                resolver();
             }
         },