fix(#6965): fix build stats (#8122)

2 files changed, 8 insertions, 1 deletions

diff --git a/.changeset/lovely-walls-call.md b/.changeset/lovely-walls-call.md
new file mode 100644
index 000000000..408fa00c5
--- /dev/null
+++ b/.changeset/lovely-walls-call.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Improve fidelity of time stats when running `astro build`
diff --git a/packages/astro/src/core/build/generate.ts b/packages/astro/src/core/build/generate.ts
index a78a46883..32b5ebb09 100644
--- a/packages/astro/src/core/build/generate.ts
+++ b/packages/astro/src/core/build/generate.ts
@@ -272,15 +272,17 @@ async function generatePage(
 	// Get paths for the route, calling getStaticPaths if needed.
 	const paths = await getPathsForRoute(pageData, pageModule, opts, builtPaths);
 
+	let prevTimeEnd = timeStart;
 	for (let i = 0; i < paths.length; i++) {
 		const path = paths[i];
 		await generatePath(path, opts, generationOptions, manifest, onRequest);
 		const timeEnd = performance.now();
-		const timeChange = getTimeStat(timeStart, timeEnd);
+		const timeChange = getTimeStat(prevTimeEnd, timeEnd);
 		const timeIncrease = `(+${timeChange})`;
 		const filePath = getOutputFilename(opts.settings.config, path, pageData.route.type);
 		const lineIcon = i === paths.length - 1 ? '└─' : '├─';
 		info(opts.logging, null, `  ${cyan(lineIcon)} ${dim(filePath)} ${dim(timeIncrease)}`);
+		prevTimeEnd = timeEnd;
 	}
 }