fix #552 load server-side code snippets from isfs workspace roots

Author: gjsjohnmurray

src/providers/FileSystemPovider/FileSystemProvider.ts

@@ -41,6 +41,7 @@ export class FileSystemProvider implements vscode.FileSystemProvider {
   }
 
   public async readDirectory(uri: vscode.Uri): Promise<[string, vscode.FileType][]> {
+    uri = redirectDotvscodeRoot(uri);
     const parent = await this._lookupAsDirectory(uri);
     const api = new AtelierAPI(uri);
     if (!api.active) {
@@ -129,6 +130,7 @@ export class FileSystemProvider implements vscode.FileSystemProvider {
   }
 
   public createDirectory(uri: vscode.Uri): void | Thenable<void> {
+    uri = redirectDotvscodeRoot(uri);
     const basename = path.posix.basename(uri.path);
     const dirname = uri.with({ path: path.posix.dirname(uri.path) });
     return this._lookupAsDirectory(dirname).then((parent) => {
@@ -376,6 +378,7 @@ export class FileSystemProvider implements vscode.FileSystemProvider {
   }
 
   private async _lookupParentDirectory(uri: vscode.Uri): Promise<Directory> {
+    uri = redirectDotvscodeRoot(uri);
     const dirname = uri.with({ path: path.posix.dirname(uri.path) });
     return await this._lookupAsDirectory(dirname);
   }

src/utils/index.ts

@@ -363,21 +363,21 @@ export function redirectDotvscodeRoot(uri: vscode.Uri): vscode.Uri {
   if (!schemas.includes(uri.scheme)) {
     return uri;
   }
-  const dotMatch = uri.path.match(/^\/(\.[^/]*)\/(.*)$/);
+  const dotMatch = uri.path.match(/^\/(\.[^/]*)(\/.*)?$/);
   if (dotMatch && dotMatch[1] === ".vscode") {
     let namespace: string;
     const nsMatch = `&${uri.query}&`.match(/&ns=([^&]+)&/);
     if (nsMatch) {
       namespace = nsMatch[1];
       const newQueryString = (("&" + uri.query).replace(`ns=${namespace}`, "ns=%SYS") + "&csp=1").slice(1);
-      return uri.with({ path: `/_vscode/${namespace}/${dotMatch[2]}`, query: newQueryString });
+      return uri.with({ path: `/_vscode/${namespace}${dotMatch[2] || ""}`, query: newQueryString });
     } else {
       const parts = uri.authority.split(":");
       if (parts.length === 2) {
         namespace = parts[1];
         return uri.with({
           authority: `${parts[0]}:%SYS`,
-          path: `/_vscode/${namespace}/${dotMatch[2]}`,
+          path: `/_vscode/${namespace}${dotMatch[2] || ""}`,
           query: uri.query + "&csp=1",
         });
       }