From 2488ffb403f6e176acf3a718e07359a35a3dbe28 Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Wed, 9 Jun 2021 13:48:32 -0700
Subject: [PATCH] Fix write percentage progress

---
 src/start-flash.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/start-flash.ts b/src/start-flash.ts
index 6e9dd57..2e48786 100644
--- a/src/start-flash.ts
+++ b/src/start-flash.ts
@@ -145,11 +145,14 @@ export const startFlash = async (
     content: html`Writing progress: ${lastPct}%`,
   });
 
+  let totalWritten = 0;
+
   for (const part of build.parts) {
     await espStub.flashData(
       files.shift()!,
       (newBytesWritten) => {
-        const newPct = Math.floor((newBytesWritten / totalSize) * 100);
+        totalWritten += newBytesWritten;
+        const newPct = Math.floor((totalWritten / totalSize) * 100);
         if (newPct === lastPct) {
           return;
         }