Disable save commands.

Author: ellisonbg

src/index.ts

@@ -304,6 +304,88 @@ export const backupCellExecutorPlugin: JupyterFrontEndPlugin<INotebookCellExecut
     }
   };
 
+  /**
+   * The command IDs for docmanager save operations to disable
+   */
+  const SAVE_COMMANDS = {
+    save: 'docmanager:save',
+    saveAs: 'docmanager:save-as',
+    saveAll: 'docmanager:save-all',
+    toggleAutosave: 'docmanager:toggle-autosave'
+  } as const;
+  
+  /**
+   * Plugin to disable save commands
+   */
+  const disableSavePlugin: JupyterFrontEndPlugin<void> = {
+    id: 'disable-save:plugin',
+    description: 'Disables save commands and removes their keyboard shortcuts since documents are autosaved',
+    autoStart: true,
+    activate: (app: JupyterFrontEnd): void => {
+
+      /**
+       * Override save commands and remove keyboard shortcuts after app is fully loaded
+       */
+      app.restored.then(() => {
+        
+        // Helper function to remove existing command and add new one
+        const overrideCommand = (commandId: string, options: any) => {
+          if (app.commands.hasCommand(commandId)) {
+            // Remove existing command using private API
+            const commandRegistry = app.commands as any;
+            if (commandRegistry._commands && commandRegistry._commands.delete) {
+              commandRegistry._commands.delete(commandId);
+            }
+            app.commands.addCommand(commandId, options);
+          }
+        };
+
+        // Override main save command (Ctrl/Cmd+S)
+        overrideCommand(SAVE_COMMANDS.save, {
+          label: 'Save (Autosaving)',
+          caption: 'Save operations are disabled - documents are autosaved',
+          isEnabled: () => true,
+          execute: () => {
+            return Promise.resolve();
+          }
+        });
+  
+        // Override save-as command (Ctrl/Cmd+Shift+S)
+        overrideCommand(SAVE_COMMANDS.saveAs, {
+          label: 'Save As… (Autosaving)',
+          caption: 'Save operations are disabled - documents are autosaved',
+          isEnabled: () => true,
+          execute: () => {
+            return Promise.resolve();
+          }
+        });
+  
+        // Override save-all command
+        overrideCommand(SAVE_COMMANDS.saveAll, {
+          label: 'Save All (Autosaving)',
+          caption: 'Save operations are disabled - documents are autosaved',
+          isEnabled: () => true,
+          execute: () => {
+            return Promise.resolve();
+          }
+        });
+  
+        // Override toggle autosave command
+        overrideCommand(SAVE_COMMANDS.toggleAutosave, {
+          label: 'Autosave Documents (Autosaving)',
+          caption: 'Autosave toggle is disabled - documents are always autosaved',
+          isEnabled: () => true,
+          isToggled: () => true,
+          execute: () => {
+            return Promise.resolve();
+          }
+        });
+  
+        console.log('Full autosave enabled, save commands disabled');
+      });
+    }
+  };
+
 const plugins: JupyterFrontEndPlugin<unknown>[] = [
   rtcContentProvider,
   yfile,
@@ -315,7 +397,8 @@ const plugins: JupyterFrontEndPlugin<unknown>[] = [
   kernelStatus,
   notebookFactoryPlugin,
   codemirrorYjsPlugin,
-  backupCellExecutorPlugin
+  backupCellExecutorPlugin,
+  disableSavePlugin
 ];
 
 export default plugins;