From c141dce81faaf6a4b44a0dfd595ad05742b331eb Mon Sep 17 00:00:00 2001
From: Ben McCann <322311+benmccann@users.noreply.github.com>
Date: Mon, 15 Aug 2022 15:23:43 -0700
Subject: [PATCH] [fix] avoid manifest collisions (#5874)

* [fix] avoid manifest collisions

* delete manifest at end of build
---
 .changeset/rare-deers-hunt.md               | 5 +++++
 packages/kit/src/vite/build/build_server.js | 4 +++-
 packages/kit/src/vite/build/utils.js        | 3 ++-
 packages/kit/src/vite/index.js              | 6 +++++-
 4 files changed, 15 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/rare-deers-hunt.md

diff --git a/.changeset/rare-deers-hunt.md b/.changeset/rare-deers-hunt.md
new file mode 100644
index 000000000000..7f637cd4eee5
--- /dev/null
+++ b/.changeset/rare-deers-hunt.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+[fix] avoid manifest collisions
diff --git a/packages/kit/src/vite/build/build_server.js b/packages/kit/src/vite/build/build_server.js
index d56d116ae99e..7e3df1a9dc6f 100644
--- a/packages/kit/src/vite/build/build_server.js
+++ b/packages/kit/src/vite/build/build_server.js
@@ -214,7 +214,9 @@ export async function build_server(options, client) {
 	const { chunks } = await create_build(merged_config);
 
 	/** @type {import('vite').Manifest} */
-	const vite_manifest = JSON.parse(fs.readFileSync(`${output_dir}/server/manifest.json`, 'utf-8'));
+	const vite_manifest = JSON.parse(
+		fs.readFileSync(`${output_dir}/server/${vite_config.build.manifest}`, 'utf-8')
+	);
 
 	mkdirp(`${output_dir}/server/nodes`);
 	mkdirp(`${output_dir}/server/stylesheets`);
diff --git a/packages/kit/src/vite/build/utils.js b/packages/kit/src/vite/build/utils.js
index 9075315f4aa5..35cdc330a750 100644
--- a/packages/kit/src/vite/build/utils.js
+++ b/packages/kit/src/vite/build/utils.js
@@ -93,7 +93,8 @@ export const get_default_config = function ({ config, input, ssr, outDir }) {
 		base: assets_base(config.kit),
 		build: {
 			cssCodeSplit: true,
-			manifest: true,
+			// don't use the default name to avoid collisions with 'static/manifest.json'
+			manifest: 'vite-manifest.json',
 			outDir,
 			polyfillModulePreload: false,
 			rollupOptions: {
diff --git a/packages/kit/src/vite/index.js b/packages/kit/src/vite/index.js
index ca03346cf334..9f2f3a196bab 100644
--- a/packages/kit/src/vite/index.js
+++ b/packages/kit/src/vite/index.js
@@ -167,7 +167,7 @@ function kit() {
 	function client_build_info(assets, chunks) {
 		/** @type {import('vite').Manifest} */
 		const vite_manifest = JSON.parse(
-			fs.readFileSync(`${paths.client_out_dir}/manifest.json`, 'utf-8')
+			fs.readFileSync(`${paths.client_out_dir}/${vite_config.build.manifest}`, 'utf-8')
 		);
 
 		const entry_id = posixify(path.relative(cwd, `${runtime_directory}/client/start.js`));
@@ -437,6 +437,10 @@ function kit() {
 					`See ${colors.bold().cyan('https://kit.svelte.dev/docs/adapters')} to learn how to configure your app to run on the platform of your choosing`
 				);
 			}
+
+			// avoid making the manifest available to users
+			fs.unlinkSync(`${paths.output_dir}/client/${vite_config.build.manifest}`);
+			fs.unlinkSync(`${paths.output_dir}/server/${vite_config.build.manifest}`);
 		},
 
 		/**