first commit

services/chat/app/js/util/promises.js

@@ -0,0 +1,10 @@
+/**
+ * Transform an async function into an Express middleware
+ *
+ * Any error will be passed to the error middlewares via `next()`
+ */
+export function expressify(fn) {
+  return (req, res, next) => {
+    fn(req, res, next).catch(next)
+  }
+}