First Commit. Duplicate bunext-sqlite preset

src/functions/backend/backups/grab-db-backups.ts

@@ -0,0 +1,40 @@
+import fs from "fs";
+import path from "path";
+import BunSQLiteConfig from "@/bun-sqlite.config";
+import type { DbBackup } from "@/src/types";
+import grabDbBackupDir from "./grab-db-backup-dir";
+
+/**
+ * Lists the `{db_name}-{timestamp}` snapshots written by `bun-sqlite
+ * backup`. Newest first.
+ */
+export default function grabDbBackups(): DbBackup[] {
+    const backup_dir = grabDbBackupDir();
+    const backup_name_regex = new RegExp(
+        `^${BunSQLiteConfig.db_name}-\\d+$`,
+    );
+
+    if (!fs.existsSync(backup_dir)) {
+        return [];
+    }
+
+    return fs
+        .readdirSync(backup_dir)
+        .filter((name) => backup_name_regex.test(name))
+        .map((name) => {
+            const stat = fs.statSync(path.join(backup_dir, name));
+            const timestamp = Number(name.split("-").pop());
+
+            return {
+                name,
+                is_file: stat.isFile(),
+                created_at: Number.isFinite(timestamp)
+                    ? timestamp
+                    : stat.mtimeMs,
+                size: stat.size,
+            };
+        })
+        .filter((backup) => backup.is_file)
+        .map(({ is_file, ...backup }) => backup)
+        .sort((a, b) => b.created_at - a.created_at);
+}