From a592adf834c955f5a423dfeccf6034868d49c3fd Mon Sep 17 00:00:00 2001
From: daniel-j <daniel.j.hede@gmail.com>
Date: Wed, 4 Mar 2020 13:41:38 +0100
Subject: [PATCH] delete old file if existing

---
 index.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/index.js b/index.js
index 9b19236..cb69bb0 100644
--- a/index.js
+++ b/index.js
@@ -178,6 +178,12 @@ router.post('/upload', upload.single('file'), async ctx => {
 
   expireKey(key)
   const info = ctx.keys.get(key)
+  if (info.file && info.file.path) {
+    await new Promise((resolve, reject) => fs.unlink(info.file.path, (err) => {
+      if (err) reject(err)
+      resolve()
+    }))
+  }
   info.file = {
     name: filename,
     path: data,