v_1.7

server/store.js

@@ -0,0 +1,17 @@
+import fs from 'node:fs/promises';
+import path from 'node:path';
+
+export async function readJson(file, fallback = null) {
+  try {
+    return JSON.parse(await fs.readFile(file, 'utf8'));
+  } catch {
+    return fallback;
+  }
+}
+
+export async function writeJson(file, data) {
+  await fs.mkdir(path.dirname(file), { recursive: true });
+  const tmp = `${file}.tmp`;
+  await fs.writeFile(tmp, JSON.stringify(data, null, 2));
+  await fs.rename(tmp, file); // atomic replace
+}