From c2b0510cfc009ca3b5dfb7bd683bf0b21963833e Mon Sep 17 00:00:00 2001
From: Viet Huynh <xa.lach@yahoo.com>
Date: Fri, 29 Sep 2023 06:44:19 +0700
Subject: [PATCH] remove existing lists before downloading

---
 download_lists.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/download_lists.js b/download_lists.js
index 3f04054..fb0d952 100644
--- a/download_lists.js
+++ b/download_lists.js
@@ -1,3 +1,5 @@
+import { existsSync } from "fs";
+import { unlink } from "fs/promises";
 import { resolve } from "path";
 
 import {
@@ -15,7 +17,13 @@ const blocklistUrls = USER_DEFINED_BLOCKLIST_URLS || RECOMMENDED_BLOCKLIST_URLS;
 const listType = process.argv[2];
 
 const downloadLists = async (filename, urls) => {
-  await downloadFiles(resolve(`./${filename}`), urls);
+  const filePath = resolve(`./${filename}`);
+
+  if (existsSync(filePath)) {
+    await unlink(filePath);
+  }
+
+  await downloadFiles(filePath, urls);
   console.log(
     `Done. The ${filename} file contains merged data from the following list(s):`
   );