[update] update tool scripts

lib/file.ts

@@ -0,0 +1,25 @@
+import * as fs from "fs";
+
+export function checkAndCreateDirectory(dirPath: string) {
+  try {
+    if (!fs.existsSync(dirPath)) {
+      fs.mkdirSync(dirPath, { recursive: true });
+    }
+    fs.accessSync(dirPath, fs.constants.R_OK | fs.constants.W_OK);
+    return true;
+  } catch (err) {
+    throw err;
+  }
+}
+
+export function isDirectoryEmptySync(directory: string) {
+  try {
+    if (!fs.existsSync(directory)) {
+      fs.mkdirSync(directory, { recursive: true });
+    }
+    const files = fs.readdirSync(directory);
+    return files.length === 0;
+  } catch (err) {
+    throw err;
+  }
+}