Ground work for Spring-CLI extension

vscode-extensions/vscode-spring-cli/src/utils.ts

@@ -0,0 +1,17 @@
+import { OpenDialogOptions, Uri, window, workspace } from "vscode";
+
+export async function openDialogForFolder(customOptions: OpenDialogOptions): Promise<Uri> {
+    const options: OpenDialogOptions = {
+        canSelectFiles: false,
+        canSelectFolders: true,
+        canSelectMany: false,
+        // default to current workspace folder (pick 1st one in multi-root)
+        defaultUri: workspace.workspaceFolders && workspace.workspaceFolders.length > 0 ? workspace.workspaceFolders[0].uri : undefined
+    };
+    const result: Uri[] = await window.showOpenDialog(Object.assign(options, customOptions));
+    if (result && result.length) {
+        return Promise.resolve(result[0]);
+    } else {
+        return Promise.resolve(undefined);
+    }
+}