fix: extension should respect blocks

extension/src/extension.ts

@@ -64,9 +64,10 @@ export function activate(context: vscode.ExtensionContext) {
 		// const formatOnSave: string | undefined = vscode.workspace.getConfiguration('rust').get('formatOnSave');
 
 		if (document.languageId === "rust" && document.uri.scheme === "file") {
-			const editor = vscode.window.activeTextEditor;// Get the active text editor
+			const active_editor = vscode.window.activeTextEditor;// Get the active text editor
-			if (editor) {
+
-				const text = editor.document.getText();
+			if (active_editor?.document.fileName === document.fileName) {
+				const text = document.getText();
 
 				console.error(text);
 
@@ -83,17 +84,20 @@ export function activate(context: vscode.ExtensionContext) {
 				}
 
 				child_proc.on('close', () => {
-					// if (result.length > 0) {
+
-					// 	editor.edit(editBuilder => editBuilder.insert(new vscode.Position(0, 0), result));
-					// } else {
-					// 	console.error("No result");
-					// }
 					if (result.length > 0) {
 						let decoded: RsxEdit[] = JSON.parse(result);
 
 						console.log("Decoded edits: ", decoded);
 
-						editor.edit(editBuilder => {
+						// Get the active text editor
+						const cur_editor = vscode.window.activeTextEditor;
+
+
+						// even if we build an empty edit stream, it tries to save the editor
+						// this makes sure the editor is actually saved
+						if (decoded.length > 0 && cur_editor == active_editor) {
+							active_editor.edit(editBuilder => {
 
 								for (let edit of decoded) {
 									console.log("Handling Edit: ", edit);
@@ -111,6 +115,7 @@ export function activate(context: vscode.ExtensionContext) {
 								}
 							})
 						}
+					}
 				});
 
 				child_proc.on('error', (err) => {