[addon] add a timeout for resolve method

addon/lib/promises.js

@@ -0,0 +1,22 @@
+/**
+ * Delay promise
+ */
+async function delay(duration) {
+  return new Promise((resolve) => setTimeout(resolve, duration));
+}
+
+/**
+ * Timeout promise after a set time in ms
+ */
+async function timeout(timeoutMs, promise, message = 'Timed out') {
+  return Promise.race([
+    promise,
+    new Promise(function (resolve, reject) {
+      setTimeout(function () {
+        reject(message);
+      }, timeoutMs);
+    })
+  ]);
+}
+
+module.exports = { delay, timeout };