From d67bfffe624bb48bd58fcc34ca6abb92abd0a5dd Mon Sep 17 00:00:00 2001
From: scamiv <6170744+scamiv@users.noreply.github.com>
Date: Sun, 8 Feb 2026 04:05:17 +0100
Subject: [PATCH] build: use Terser for production minification

- Add terser devDependency and set build.minify to "terser" in production
- Enable source maps only for non-production builds
- Disable minification for dev builds
- Terser options: mangle names, strip comments, 2 compress passes
---
 package.json   |  1 +
 vite.config.ts | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/package.json b/package.json
index b99fe1fef..12049dbd5 100644
--- a/package.json
+++ b/package.json
@@ -78,6 +78,7 @@
     "sinon": "^21.0.1",
     "sinon-chai": "^4.0.0",
     "tailwindcss": "^4.1.18",
+    "terser": "^5.42.0",
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.7.2",
     "typescript-eslint": "^8.26.0",
diff --git a/vite.config.ts b/vite.config.ts
index 4b7af9f86..049c00954 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -96,6 +96,17 @@ export default defineConfig(({ mode }) => {
       outDir: "static", // Webpack outputs to 'static', assuming we want to keep this.
       emptyOutDir: true,
       assetsDir: "assets", // Sub-directory for assets
+      sourcemap: !isProduction, // Source maps for dev builds only
+      minify: isProduction ? "terser" : false,
+      ...(isProduction && {
+        terserOptions: {
+          compress: { passes: 2 },
+          mangle: true,
+          format: {
+            comments: false,
+          },
+        },
+      }),
       rollupOptions: {
         output: {
           manualChunks: {