Fix initialization (#54)

* Fix initialization

* Linter

* Remove browser check test

We have UI tests, that's enough

* Debug

* Update snapshots

Author: martinRenou

.github/workflows/build.yml

@@ -38,7 +38,6 @@ jobs:
 
         jupyter labextension list
         jupyter labextension list 2>&1 | grep -ie "jupyterlab-unfold.*OK"
-        python -m jupyterlab.browser_check
 
     - name: Package the extension
       run: |
@@ -80,7 +79,6 @@ jobs:
 
         jupyter labextension list
         jupyter labextension list 2>&1 | grep -ie "jupyterlab-unfold.*OK"
-        python -m jupyterlab.browser_check --no-browser-test
 
   integration-tests:
     name: Integration tests

src/index.ts

@@ -69,14 +69,16 @@ const fileBrowserFactory: JupyterFrontEndPlugin<IFileBrowserFactory> = {
         widget.listing.singleClickToUnfold = setting.get('singleClickToUnfold')
           .composite as boolean;
       });
-   
+
       // check the url in iframe and open
       app.restored.then(() => {
         const windowPathname = window.location.pathname;
-        let treeIndex = windowPathname.indexOf('/tree/');
+        const treeIndex = windowPathname.indexOf('/tree/');
         let path = windowPathname.substring(treeIndex + '/tree/'.length);
         path = decodeURIComponent(path);
-        docManager.open(path);
+        if (path) {
+          docManager.open(path);
+        }
       });
 
       // Track the newly created file browser.