diff --git a/.gitignore b/.gitignore
index a547bf36..19a1e8af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,6 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+
+
+playwright-report/
diff --git a/package.json b/package.json
index 4853a67b..7ffde812 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,10 @@
   "scripts": {
     "dev": "vite",
     "preview": "vite preview",
-    "build:lib": "vite build --config vite.config.lib.mjs",
+    "build:lib": "npm run build:lib:clean && npm run build:lib:unminified && npm run build:lib:minified",
+    "build:lib:clean": "rm -rf dist",
+    "build:lib:unminified": "vite build --config vite.config.lib.mjs --mode production",
+    "build:lib:minified": "vite build --config vite.config.lib.mjs --mode production-minified",
     "build": "npm-run-all -p build:icons build:demo",
     "prebuild": "npm run build:lib",
     "postbuild": "npm run generate:jsonSchema",
diff --git a/src/lib/js/constants.js b/src/lib/js/constants.js
index 84246cbd..3d72d99f 100644
--- a/src/lib/js/constants.js
+++ b/src/lib/js/constants.js
@@ -13,9 +13,15 @@ export const POLYFILLS = [
   { name: 'mutationObserver', src: '//cdn.jsdelivr.net/npm/mutationobserver-shim/dist/mutationobserver.min.js' },
   { name: 'fetch', src: 'https://unpkg.com/unfetch/polyfill' },
 ]
-export const SVG_SPRITE_URL = env?.PROD
-  ? `https://cdn.jsdelivr.net/npm/formeo@${version}/dist/${formeoSpriteId}.svg`
-  : resolve(`../../lib/icons/${formeoSpriteId}.svg`)
+
+const relativeSpritePath = `../../lib/icons/${formeoSpriteId}.svg`
+const localSpriteUrl = typeof resolve === 'function'
+  ? resolve(relativeSpritePath)
+  : relativeSpritePath
+
+export const SVG_SPRITE_URL = env?.DEV
+  ? localSpriteUrl
+  : `https://cdn.jsdelivr.net/npm/formeo@${version}/dist/${formeoSpriteId}.svg`
 export const FALLBACK_SVG_SPRITE_URL = `https://draggable.github.io/formeo/assets/img/${formeoSpriteId}.svg`
 export const CSS_URL = `https://cdn.jsdelivr.net/npm/formeo@${version}/dist/formeo.min.css`
 export const FALLBACK_CSS_URL = 'https://draggable.github.io/formeo/assets/css/formeo.min.css'
diff --git a/tools/copy-assets.mjs b/tools/copy-assets.mjs
index 73a0c9c9..7d6f1a67 100644
--- a/tools/copy-assets.mjs
+++ b/tools/copy-assets.mjs
@@ -24,13 +24,12 @@ const targets = [
   },
   {
     src: resolve(projectRoot, 'dist/formeo.umd.js'),
-    dest: resolve(projectRoot, 'dist/demo/assets/js/'),
+    dest: resolve(projectRoot, 'dist/'),
     rename: 'formeo.min.js',
   },
   {
-    src: resolve(projectRoot, 'dist/formeo.umd.js'),
-    dest: resolve(projectRoot, 'dist/'),
-    rename: 'formeo.min.js',
+    src: resolve(projectRoot, 'dist/*.js'),
+    dest: resolve(projectRoot, 'dist/demo/assets/js/'),
   },
   {
     src: resolve(projectRoot, 'dist/formeo.min.css'),
diff --git a/vite.config.lib.mjs b/vite.config.lib.mjs
index 05bdfd02..1bbbb708 100644
--- a/vite.config.lib.mjs
+++ b/vite.config.lib.mjs
@@ -12,40 +12,44 @@ Author: ${pkg.author}
 */
 `
 
-export default defineConfig({
-  root: './',
-  build: {
-    lib: {
-      entry: resolve(__dirname, 'src/lib/js/index.js'),
-      name: 'formeo',
-      fileName: format => `[name].${format}.js`,
-      formats: ['es', 'cjs', 'umd'],
-    },
-    outDir: 'dist',
-    emptyOutDir: true,
-    minify: 'terser',
-    terserOptions: {
-      compress: {
-        drop_console: true,
-        drop_debugger: true,
-      },
-    },
-    rollupOptions: {
-      input: {
-        formeo: resolve(__dirname, 'src/lib/js/index.js'),
+export default defineConfig(({ mode }) => {
+  const isMinified = mode === 'production-minified'
+  
+  return {
+    root: './',
+    build: {
+      lib: {
+        entry: resolve(__dirname, 'src/lib/js/index.js'),
+        name: 'formeo',
+        fileName: format => isMinified ? `[name].min.${format}.js` : `[name].${format}.js`,
+        formats: ['es', 'cjs', 'umd'],
       },
-      output: {
-        assetFileNames: 'formeo.min.[ext]',
-        inlineDynamicImports: true,
+      outDir: 'dist',
+      emptyOutDir: false, // Don't empty on each build to preserve both versions
+      minify: isMinified ? 'terser' : false,
+      terserOptions: isMinified ? {
+        compress: {
+          drop_console: true,
+          drop_debugger: true,
+        },
+      } : undefined,
+      rollupOptions: {
+        input: {
+          formeo: resolve(__dirname, 'src/lib/js/index.js'),
+        },
+        output: {
+          assetFileNames: isMinified ? 'formeo.min.[ext]' : 'formeo.[ext]',
+          inlineDynamicImports: true,
+        },
       },
     },
-  },
-  plugins: [banner(bannerTemplate)],
-  css: {
-    preprocessorOptions: {
-      scss: {
-        api: 'modern-compiler',
+    plugins: [banner(bannerTemplate)],
+    css: {
+      preprocessorOptions: {
+        scss: {
+          api: 'modern-compiler',
+        },
       },
     },
-  },
+  }
 })