🐛 fix(handler.clj): remove unnecessary println statement

🐛 fix(handler.clj): update destructuring keys to match context variable names
🐛 fix(mime_type.clj): change if-let to when-let for file extension check

examples/http/bb-hello/handler.clj

@@ -1,5 +1,4 @@
 (ns function.handler)
 
 (defn handler [{:keys [body]}]
-  (println "Hello, " body)
   {:body (str "Hello, " body)})

examples/http/bb-map-context/handler.clj

@@ -1,4 +1,4 @@
 (ns function.handler)
 
-(defn handler [{:keys [body headers env]}]
-  [(keys body) (vals body) (:content-type headers) (:upstream-url env)])
+(defn handler [{:keys [body headers context]}]
+  [(keys body) (vals body) (:content-type headers) (:upstream-url context)])

template/bb/lib/ring/util/mime_type.clj

@@ -107,7 +107,7 @@
 (defn- filename-ext
   "Returns the file extension of a filename or filepath."
   [filename]
-  (if-let [ext (second (re-find #"\.([^./\\]+)$" filename))]
+  (when-let [ext (second (re-find #"\.([^./\\]+)$" filename))]
     (str/lower-case ext)))
 
 (defn ext-mime-type