From e6a04f3837d8c7fba9b5e2455d9a7c8dd7ccac13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Serkan=20Yer=C5=9Fen?= <serkanyersen@gmail.com>
Date: Thu, 20 May 2021 15:33:05 -0700
Subject: [PATCH] make sure wrapper is found before accessing the classList

When used with https://github.com/pmmmwh/react-refresh-webpack-plugin this error shows up during incremental builds.
```Cannot read property 'classList' of null```
---
 lib/client/overlays/progress-minimal.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/client/overlays/progress-minimal.js b/lib/client/overlays/progress-minimal.js
index c50cfe5..ea451d0 100644
--- a/lib/client/overlays/progress-minimal.js
+++ b/lib/client/overlays/progress-minimal.js
@@ -95,7 +95,9 @@ const init = (options, socket) => {
     const percent = Math.floor(data.percent * 100);
     const wrapper = document.querySelector(`#${ns}`);
 
-    wrapper.classList.remove(`${ns}-hidden`, `${ns}-disappear`);
+    if (wrapper) {
+      wrapper.classList.remove(`${ns}-hidden`, `${ns}-disappear`);
+    }
 
     if (data.percent === 1) {
       if (document.hidden) {