initial commit

src/lib/queue.js

@@ -0,0 +1,24 @@
+export default function() {
+    return {
+        items: [],
+
+        resolvers: []
+
+        put(item) {
+            this.items.push(item);
+            if (resolvers.length > 0) {
+                resolvers.shift().resolve();
+            }
+        },
+
+        async get() {
+            if (this.items.length === 0) {
+                await new Promise((resolve, reject) => {
+                    this.resolvers.push(resolve);
+                })
+            }
+            
+            return this.items.shift();
+        },
+    }
+}