esbuild respects vite.build.minify option

.changeset/many-eels-wait.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/cloudflare': patch
+---
+
+add option to compile unminified code

packages/integrations/cloudflare/README.md

@@ -108,10 +108,28 @@ By default, `@astrojs/cloudflare` will generate a `_routes.json` file that lists
 
 ## Troubleshooting
 
+
 For help, check out the `#support` channel on [Discord](https://astro.build/chat). Our friendly Support Squad members are here to help!
 
 You can also check our [Astro Integration Documentation][astro-integration] for more on integrations.
 
+### Meaningful error messages
+
+Currently, errors during running your application in Wrangler are not very useful, due to the minification of your code. For better debugging, you can add `vite.build.minify = false` setting to your `astro.config.js`
+
+```
+export default defineConfig({
+	adapter: cloudflare(),
+	output: 'server',
+
+  vite: {
+    build: {
+      minify: false
+    }
+  }
+});
+```
+
 ## Contributing
 
 This package is maintained by Astro's Core team. You're welcome to submit an issue or PR!

packages/integrations/cloudflare/src/index.ts

@@ -95,15 +95,15 @@ export default function createIntegration(args?: Options): AstroIntegration {
 				// A URL for the final build path after renaming
 				const finalBuildUrl = pathToFileURL(buildPath.replace(/\.mjs$/, '.js'));
 
-				await esbuild.build({
+        await esbuild.build({
 					target: 'es2020',
 					platform: 'browser',
 					entryPoints: [entryPath],
 					outfile: buildPath,
 					allowOverwrite: true,
 					format: 'esm',
 					bundle: true,
-					minify: true,
+					minify: _config.vite?.build?.minify !== false,
 					banner: {
 						js: SHIM,
 					},