My build.boot's dev task

build.boot

(deftask dev
  "Build and run development mode."
  [i ios bool "Flag to enable iOS builds."]
  (comp
   (environ/environ :env {})

   (watch)

   (server-with-repl :port 7888)

   (css)

   (reload :ids        #{"public/js/student"}
           :only-by-re [#"^public/(?!js).*" #"^public/js/student\.out/.*"]
           :asset-path "public"
           :on-jsload  'nanny.web-client.utils/boot-reload)

   (reload :ids        #{"public/js/teacher"}
           :only-by-re [#"^public/(?!js).*" #"^public/js/teacher\.out/.*"]
           :asset-path "public"
           :on-jsload  'nanny.web-client.utils/boot-reload)

   (reload :ids        #{"public/js/devcards"}
           :only-by-re [#"^public/(?!js).*" #"^public/js/devcards\.out/.*"]
           :asset-path "public"
           :on-jsload  'nanny.web-client.utils/boot-reload)

   (if ios
     (reload :ids             #{"public/js/react-native"}
             ;; Note that the iOS simulator errors with localhost.
             :ws-host         "192.168.1.100"
             :only-by-re      [#"^public/js/react-native\.out/node_modules/.*\.(cljs|js|map)$"]
             :asset-path      "public/js/react-native.out/node_modules"
             ;; Note that boot-react-native's reloading.js only attempts to reload
             ;; URLs starting with the exact string "/node_modules", and that
             ;; leaving "node_modules" off the end of `:asset-path` and leaving
             ;; this blank will mean we end up with "node_modules" instead.
             :cljs-asset-path "/node_modules"
             :on-jsload       'nanny.react-native.main/reloaded!)
     identity)

   (cljs-repl :ws-host "localhost"
              ;; FIXME -- not listening to this
              :port 7999)

   (if ios
     (rn/before-cljsbuild :id "public/js/react-native")
     identity)

   (cljs :optimizations :none :ids cljs-ids)

   (if ios
     (rn/after-cljsbuild :app-dir    "react-native"
                         :output-dir "public/js/react-native.out"
                         :server-url "localhost:8081"
                         :asset-path "/")
     identity)

   (if ios
     (rn/print-ios-log)
     identity)))