From 5d73dcaf89e4c19edf53ac06917aab776174611e Mon Sep 17 00:00:00 2001
From: Meeeeow <me@async.sh>
Date: Sat, 19 Aug 2017 00:34:00 +0800
Subject: [PATCH] fix: :bug: check error code to prevent data loss

---
 src/lib/storage/local/local-data.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/lib/storage/local/local-data.js b/src/lib/storage/local/local-data.js
index 5c46ea0812cf..163e5c1b8fbc 100644
--- a/src/lib/storage/local/local-data.js
+++ b/src/lib/storage/local/local-data.js
@@ -33,11 +33,13 @@ const logger = require('../../logger');
       }
     }
 
-    try {
-      this.data = JSON.parse(dbFile);
-    } catch(err) {
-      logger.logger.error(err);
-      throw new Error(`Package database file corrupted (invalid JSON), please fix it manually.\nFile Path: ${this.path}`);
+    if (dbFile) {
+      try {
+        this.data = JSON.parse(dbFile);
+      } catch(err) {
+        logger.logger.error(err);
+        throw new Error(`Package database file corrupted (invalid JSON), please fix it manually.\nFile Path: ${this.path}`);
+      }
     }
   }