From 240a70a29f8e11d161da021845c208f982d64e5c Mon Sep 17 00:00:00 2001
From: Emanuele Stoppa <my.burning@gmail.com>
Date: Thu, 16 May 2024 16:13:32 +0100
Subject: [PATCH] fix: improve logging for on-demand pages (#11069)

---
 .changeset/silly-parents-repair.md   | 5 +++++
 packages/astro/src/core/app/index.ts | 8 ++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 .changeset/silly-parents-repair.md

diff --git a/.changeset/silly-parents-repair.md b/.changeset/silly-parents-repair.md
new file mode 100644
index 0000000000..9157e6cc6e
--- /dev/null
+++ b/.changeset/silly-parents-repair.md
@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Improves debug logging for on-demand pages
diff --git a/packages/astro/src/core/app/index.ts b/packages/astro/src/core/app/index.ts
index 1ba5d94798..58dbae9f59 100644
--- a/packages/astro/src/core/app/index.ts
+++ b/packages/astro/src/core/app/index.ts
@@ -280,6 +280,10 @@ export class App {
 				this.#logRenderOptionsDeprecationWarning();
 			}
 		}
+		if (routeData) {
+			this.#logger.debug("router", "The adapter " + this.#manifest.adapterName + " provided a custom RouteData for ", request.url);
+			this.#logger.debug("router", "RouteData:\n" + routeData);
+		}
 		if (locals) {
 			if (typeof locals !== 'object') {
 				this.#logger.error(null, new AstroError(AstroErrorData.LocalsNotAnObject).stack!);
@@ -296,8 +300,12 @@ export class App {
 		}
 		if (!routeData) {
 			routeData = this.match(request);
+			this.#logger.debug("router", "Astro matched the following route for "+ request.url);
+			this.#logger.debug("router", "RouteData:\n" + routeData);
 		}
 		if (!routeData) {
+			this.#logger.debug("router", "Astro hasn't found routes that match " + request.url);
+			this.#logger.debug("router", "Here's the available routes:\n", this.#manifestData);
 			return this.#renderError(request, { locals, status: 404 });
 		}
 		const pathname = this.#getPathnameFromRequest(request);