Makes the dev file built more gulp-ish way

router.go

@@ -19,7 +19,7 @@ import (
 	"golang.org/x/net/context"
 )
 
-func (a *appData) buildRouter() http.Handler {
+func (a *appData) buildRouter(basepath string) http.Handler {
 	router := httprouter.New()
 
 	logger := narco.NewLogger()
@@ -126,19 +126,19 @@ func (a *appData) buildRouter() http.Handler {
 
 		})))
 
-	dirs := []string{"css", "js", "img", "bower_components", "html"}
+	dirs := []string{"css", "js", "vendor", "html"}
 	for _, d := range dirs {
-		router.ServeFiles(path.Join("/", d, "/*filepath"), http.Dir(filepath.Join("webapp", d)))
+		router.ServeFiles(path.Join("/", d, "/*filepath"), http.Dir(filepath.Join(basepath, d)))
 	}
 
 	router.GET("/", narco.EndChain(ch, narco.HandlerFunc(
 		func(ctx context.Context, w http.ResponseWriter, req *http.Request, _ httprouter.Params) {
-			f, err := os.Open(filepath.Join("webapp", "index.html"))
+			f, err := os.Open(filepath.Join(basepath, "index.html"))
 			if err != nil {
 				narco.Error(ctx, w, err, http.StatusInternalServerError)
 				return
 			}
-			defer closeOrPanic(f, filepath.Join("webapp", "index.html"))
+			defer closeOrPanic(f, filepath.Join(basepath, "index.html"))
 
 			_, err = io.Copy(w, f)
 			if err != nil {