Vite configuration: Serve large external libraries in external chunks.

1 files changed, 10 insertions, 1 deletions

diff --git a/vite.config.js b/vite.config.js
index 668b49f..217b46c 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -2,7 +2,16 @@ export default {
   build: {
     sourcemap: true,
     outDir: "dist",
-    assetsDir: "assets"
+    assetsDir: "assets",
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          ol: ['ol'],
+          bootstrap: ['bootstrap'],
+          proj4: ['proj4'],
+        }
+      }
+    }
   },
   css: {
     devSourcemap: true