individual file handling

fsprovider-sample/README.md

@@ -12,6 +12,9 @@ To *get started* you need this:
 * when *not* having a workspace opened, select 'F1 > [MemFS] Setup Workspace' (optionally save the workspace now)
 * select 'F1 > [MemFs] Create Files' and notice how the explorer is now populated
 * ... try things out, e.g. IntelliSense in memfs-files, create new files, save them, etc
+* open `file.txt` and make changes
+* 'F1 > [MemFS] Delete "file.txt', observe that the editor is now indicating that the file is deleted
+* 'F1 > [MemFS] Add "file.txt', observe that the editor content is reset and the '(delete)' annotation disappeard
 * select 'F1 > [MemFs] Delete Files' or reload to restart
 
 ![sample screenshot](https://github.com/Microsoft/vscode-extension-samples/raw/master/fsprovider-sample/sample.png)

fsprovider-sample/package.json

@@ -37,6 +37,16 @@
 				"command": "memfs.reset",
 				"title": "Delete Files",
 				"category": "MemFS"
+			},
+			{
+				"command": "memfs.deleteFile",
+				"title": "Delete \"file.txt\"",
+				"category": "MemFS"
+			},
+			{
+				"command": "memfs.addFile",
+				"title": "Add \"file.txt\"",
+				"category": "MemFS"
 			}
 		],
 		"menus": {
@@ -49,6 +59,14 @@
 					"command": "memfs.reset",
 					"when": "workbenchState == workspace"
 				},
+				{
+					"command": "memfs.deleteFile",
+					"when": "workbenchState == workspace"
+				},
+				{
+					"command": "memfs.addFile",
+					"when": "workbenchState == workspace"
+				},
 				{
 					"command": "memfs.workspaceInit",
 					"when": "workbenchState != workspace"

fsprovider-sample/src/extension.ts

@@ -18,6 +18,18 @@ export function activate(context: vscode.ExtensionContext) {
         initialized = false;
     }));
 
+    context.subscriptions.push(vscode.commands.registerCommand('memfs.addFile', _ => {
+        if (initialized) {
+            memFs.writeFile(vscode.Uri.parse(`memfs:/file.txt`), Buffer.from('foo'), { create: true, overwrite: true });
+        }
+    }));
+
+    context.subscriptions.push(vscode.commands.registerCommand('memfs.deleteFile', _ => {
+        if (initialized) {
+            memFs.delete(vscode.Uri.parse('memfs:/file.txt'));
+        }
+    }));
+
     context.subscriptions.push(vscode.commands.registerCommand('memfs.init', _ => {
         if (initialized) {
             return;