Unable to route properly with bidi - clojure

Question

I am sending an index-handler on "/this-route":
(defn index-handler [req]
(assoc (resource-response "index.html" {:root "public"})
:headers {"Content-Type" "text/html; charset=UTF-8"}))
(def routes ["" {"/this-route" {:get index-handler}}]) ;; works
Which works fine.
But when I append anything to this-route, I'm unable to send index-handler even though I can still send a basic res/response:
(def routes ["" {"/this-route" {"" {:get index-handler} ;; doesn't work
"/something" {:get index-handler} ;; doesn't work
"/something-else" (res/response "some response") ;; works
}}])
I get the errors in the client side console showing an error in the index.html line, where I start my app:
<script type="text/javascript">myapp.system.go();</script>
and the error is "myapp is not defined."
Why might this be, and what am I doing wrong?
--- EDIT ---
This is the complete error in console:
Uncaught ReferenceError: myapp is not defined
at something-else:15
DevTools failed to load SourceMap: Could not load content for chrome-extension://gighmmpiobklfepjocnamgkkbiglidom/include.preload.js.map: HTTP error: status code 404, net::ERR_UNKNOWN_URL_SCHEME

Answer 1

Your routes work fine:
(let [routes ["" {"/this-route" {:get :some-handler}}]]
(is= (bidi/match-route routes "/this-route" :request-method :get)
{:handler :some-handler, :request-method :get}))
(let [routes ["" {"/this-route" {"" {:get :handler-1}
"/something" {:get :handler-2}
"/something-else" {:get :handler-3}}}]]
(is= (bidi/match-route routes "/this-route" :request-method :get)
{:handler :handler-1, :request-method :get})
(is= (bidi/match-route routes "/this-route/something" :request-method :get)
{:handler :handler-2, :request-method :get})
(is= (bidi/match-route routes "/this-route/something-else" :request-method :get)
{:handler :handler-3, :request-method :get}))
As cfrick said, you have somehow created a problem compiling and/or loading your code. That is where you need to look.