Use Node SQLite libraries for backup verification, if available

lib/index.js

@@ -114,9 +114,27 @@ class SQLiteBackup {
                 return false;
             }
 
+            const dbDriver = this._getDatabaseDriver();
+
+            var result = "";
+
+            switch (dbDriver.type) {
+                case "cli":
                     const command = `sqlite3 "${backupPath}" "PRAGMA integrity_check;"`;
                     const {stdout} = await execAsync(command);
-            return stdout.trim() === 'ok';
+                    result = stdout.trim();
+                    break;
+                case "better-sqlite3":
+                    const db = dbDriver.driver(backupPath);
+                    result = await db.pragma('integrity_check', {simple: true});
+                    break;
+                case "sqlite3":
+                    result = await this._validateUsingSQLite3Package(dbDriver.driver, backupPath);
+                    console.log(result);
+                    break;
+            }
+
+            return result === 'ok';
         } catch (error) {
             return false;
         }
@@ -212,7 +230,6 @@ class SQLiteBackup {
                     isValid: null,
                     checksum: null
                 };
-
                 if (includeChecksums) {
                     backup.checksum = await this._calculateChecksum(file.path);
                     backup.isValid = await this.verifyBackup(file.path);
@@ -390,6 +407,25 @@ class SQLiteBackup {
         });
     }
 
+    async _validateUsingSQLite3Package(driver, databasePath) {
+        return new Promise((resolve, reject) => {
+            const db = new driver.Database(databasePath, driver.OPEN_READONLY, err => {
+                if (err) {
+                    return resolve("fail");
+                }
+            });
+
+            db.get("PRAGMA integrity_check", function (err, res) {
+                console.log(res);
+                if (typeof res == 'undefined') {
+                    resolve("fail");
+                } else {
+                    resolve(res.integrity_check ?? "fail");
+                }
+            });
+        });
+    }
+
     async _backupUsingCopy(backupPath) {
         fs.copyFileSync(this.databasePath, backupPath);
     }
@@ -434,7 +470,8 @@ class SQLiteBackup {
 
     _matchesPattern(filename, pattern) {
         // Simple pattern matching - could be enhanced with a proper glob library
-        if (pattern === '*' || pattern === '*.*') return true;
+        if (pattern === '*' || pattern === '*.*')
+            return true;
         if (pattern.startsWith('*.')) {
             const extension = pattern.slice(2);
             return filename.endsWith('.' + extension);
@@ -454,7 +491,8 @@ class BackupUtils {
      */
     static formatSize(bytes) {
         const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
-        if (bytes === 0) return '0 B';
+        if (bytes === 0)
+            return '0 B';
         const i = Math.floor(Math.log(bytes) / Math.log(1024));
         return `${(bytes / Math.pow(1024, i)).toFixed(2)} ${sizes[i]}`;
     }
@@ -465,8 +503,10 @@ class BackupUtils {
      * @returns {string} Formatted duration string
      */
     static formatDuration(milliseconds) {
-        if (milliseconds < 1000) return `${milliseconds}ms`;
-        if (milliseconds < 60000) return `${(milliseconds / 1000).toFixed(2)}s`;
+        if (milliseconds < 1000)
+            return `${milliseconds}ms`;
+        if (milliseconds < 60000)
+            return `${(milliseconds / 1000).toFixed(2)}s`;
         return `${(milliseconds / 60000).toFixed(2)}m`;
     }