From 26d793af9baeb43652174a46fbd1457824d15c53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B8rgen=20Sverre=20Lien=20Sell=C3=A6g?=
 <jorgen@guut.org>
Date: Wed, 8 Jul 2020 14:20:33 +0200
Subject: [PATCH] fix crash if previous event file does not exist

---
 src/scrape.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/scrape.js b/src/scrape.js
index 1fe6212..910f7cd 100644
--- a/src/scrape.js
+++ b/src/scrape.js
@@ -177,10 +177,12 @@ const { page_ids, output, events: event_file } = parse_args(
 
 const read_previous_events = (path) => {
   if (path !== null) {
-    return fs
-      .readFile(path, { encoding: 'utf-8' })
-      .then((content) => JSON.parse(content))
-      .catch(console.error);
+    if (filesystem.existsSync(path)) {
+      return fs
+        .readFile(path, { encoding: 'utf-8' })
+        .then((content) => JSON.parse(content))
+        .catch(console.error);
+    }
   }
   return Promise.resolve([]);
 };