feat: showInformationMessage if file exists

templates/vscode-extension/src/utils/index.js

@@ -78,18 +78,33 @@ const getRemoteDirStructure = async ({
 };
 
 const buildDirStructure = async (structure) => {
-  structure.forEach((entity) => {
+  structure.forEach(async (entity) => {
     if (!entity) return;
 
     const { fileType, fileName, fileContent, filePath } = entity;
-
+    let writeFlag = false;
     if (fileType === vscode.FileType.Directory) {
       buildDirStructure(fileContent);
     } else {
-      vscode.workspace.fs.writeFile(
-        vscode.Uri.file(`${filePath}/${fileName}`),
-        new TextEncoder().encode(fileContent)
-      );
+      const fullPath = vscode.Uri.file(`${filePath}/${fileName}`)
+      try {
+        vscode.workspace.fs.readFile(fullPath)
+        const answer = await vscode.window.showInformationMessage(
+          `File ${fullPath} already exists`,
+          ...["Rewrite", "Keep it"]
+        )
+        writeFlag = answer === "Yes"
+      } catch (_err) {
+        // Do we know a better way to ensure file doesn't exist
+        // but raising exception while reading the file?
+        writeFlag = true 
+      }
+      if(writeFlag) {
+        vscode.workspace.fs.writeFile(
+          fullPath,
+          new TextEncoder().encode(fileContent)
+        );
+      }
     }
   });
 };