feat(build): add file access utility

build/utils/fileAccess.js

@@ -0,0 +1,47 @@
+/*
+Copyright 2026 Seekra
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { access, constants, stat } from 'node:fs/promises';
+
+export const checkFileReadAccess = async function checkFileWriteAccess (path) {
+    try {
+        await access(path, constants.F_OK | constants.R_OK);
+        return true;
+    } catch (err) {
+        if (err.code === 'ENOENT' || err.code === 'EACCES') return false;
+        else throw err;
+    }
+};
+
+export const exists = async function exists (path) {
+    try {
+        await access(path, constants.F_OK);
+        return true;
+    } catch (err) {
+        if (err.code === 'ENOENT') return false;
+        else throw err;
+    }
+};
+
+export const isDirectory = async function isDirectory (path) {
+    try {
+        const stats = await stat(path);
+        return stats.isDirectory();
+    } catch (err) {
+        if (err.code === 'ENOENT' || err.code === 'EACCES') return false;
+        else throw err;
+    }
+};