Merge pull request #203 from fcollonval/ft/add-app-in-browser

Add expose add in browser for galata

app/index.js

@@ -303,6 +303,14 @@ async function main() {
 
   app.registerPluginModules(mods);
 
+  // Expose global app instance when in dev mode or when toggled explicitly.
+  const exposeAppInBrowser =
+    (PageConfig.getOption('exposeAppInBrowser') || '').toLowerCase() === 'true';
+
+  if (exposeAppInBrowser) {
+    window.jupyterapp = app;
+  }
+
   await app.start();
 }
 

retrolab/app.py

@@ -39,6 +39,7 @@ class RetroHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHan
             "token": self.settings["token"],
             "fullStaticUrl": ujoin(self.base_url, "static", self.name),
             "frontendUrl": ujoin(self.base_url, "retro/"),
+            "exposeAppInBrowser": app.expose_app_in_browser,
             "collaborative": app.collaborative,
             "retroLogo": app.retro_logo,
         }
@@ -181,6 +182,13 @@ class RetroApp(NBClassicConfigShimMixin, LabServerApp):
     user_settings_dir = get_user_settings_dir()
     workspaces_dir = get_workspaces_dir()
     subcommands = {}
+
+    expose_app_in_browser = Bool(
+        False,
+        config=True,
+        help="Whether to expose the global app instance to browser via window.jupyterapp"
+    )
+
     collaborative = Bool(
         False, config=True, help="Whether to enable collaborative mode."
     )
@@ -189,6 +197,10 @@ class RetroApp(NBClassicConfigShimMixin, LabServerApp):
     )
 
     flags = flags
+    flags['expose-app-in-browser'] = (
+        {'RetroApp': {'expose_app_in_browser': True}},
+        "Expose the global app instance to browser via window.jupyterlab."
+    )
     flags["collaborative"] = (
         {"RetroApp": {"collaborative": True}},
         "Whether to enable collaborative mode.",