From 8a3b695efb0c5897cfaa400bd3d95cd8fc72e1d3 Mon Sep 17 00:00:00 2001
From: do0ori <fuzzydo0ori@gmail.com>
Date: Sat, 19 Sep 2026 15:01:42 +0900
Subject: [PATCH] fix: Strip the service worker source map before deploy

vite-plugin-pwa builds the service worker in a pass of its own, after
every plugin hook the Sentry plugin's cleanup runs in, so
service-worker.js.map survived and was published to GitHub Pages.

Move the cleanup to a post-build step, which runs once the whole build
including that pass is done.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MUBfrDZLkPRPZQJxJWzeU4
---
 package.json                 |  2 +-
 scripts/strip-sourcemaps.mjs | 17 +++++++++++++++++
 vite.config.ts               |  4 ++--
 3 files changed, 20 insertions(+), 3 deletions(-)
 create mode 100644 scripts/strip-sourcemaps.mjs

diff --git a/package.json b/package.json
index 1bdcd52..5b43f72 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "homepage": "https://do0ori.github.io/visual-timer",
     "scripts": {
         "dev": "vite",
-        "build": "tsc && vite build",
+        "build": "tsc && vite build && node scripts/strip-sourcemaps.mjs",
         "test": "jest --runInBand",
         "preview": "vite preview",
         "format": "prettier . --write"
diff --git a/scripts/strip-sourcemaps.mjs b/scripts/strip-sourcemaps.mjs
new file mode 100644
index 0000000..789981d
--- /dev/null
+++ b/scripts/strip-sourcemaps.mjs
@@ -0,0 +1,17 @@
+// Runs after `vite build`, which builds the app and then — in vite-plugin-pwa's
+// own pass, past every plugin hook — the service worker. Source maps only exist
+// so the Sentry plugin can upload them during that build; none may be published
+// to GitHub Pages, so drop whatever is left.
+import { readdirSync, rmSync } from 'node:fs';
+import { join } from 'node:path';
+
+const DIST = 'dist';
+
+const removed = readdirSync(DIST, { recursive: true, encoding: 'utf-8' })
+    .filter((entry) => entry.endsWith('.map'))
+    .map((entry) => {
+        rmSync(join(DIST, entry));
+        return entry;
+    });
+
+console.log(removed.length ? `Stripped source maps: ${removed.join(', ')}` : 'No source maps to strip.');
diff --git a/vite.config.ts b/vite.config.ts
index 9e40faa..afb4e3f 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -68,8 +68,8 @@ export default defineConfig({
             }),
     ],
     build: {
-        // Generated only when they can be uploaded to Sentry, and deleted from dist
-        // afterwards, so source maps are never published to GitHub Pages.
+        // Generated only when they can be uploaded to Sentry. `strip-sourcemaps`
+        // clears the leftovers afterwards, so none are published to GitHub Pages.
         sourcemap: uploadSourcemaps ? 'hidden' : false,
     },
     server: {