Manually split chunks

frontend/vite.config.ts

@@ -6,4 +6,25 @@ import { visualizer } from 'rollup-plugin-visualizer'
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [svgr(), react(), splitVendorChunkPlugin(), visualizer() as PluginOption],
+  build: {
+    sourcemap: true,
+    rollupOptions: {
+      output: {
+        manualChunks(id: string) {
+          if (id.includes('ethers')) {
+            return 'ethers'
+          }
+          if (id.includes('recharts')) {
+            return 'recharts'
+          }
+          if (id.includes('lodash')) {
+            return 'lodash'
+          }
+          if (id.includes('react-dom')) {
+            return 'react-dom'
+          }
+        },
+      },
+    },
+  },
 })