From 791c90c6697164384ea64e4b00229fa54c979ac1 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Wed, 27 Apr 2022 07:17:11 -0400
Subject: [PATCH] only complain about missing lib alias if directory exists -
 closes #4218 (#4735)

---
 .changeset/large-geese-cheat.md              |  5 +++++
 packages/kit/src/core/sync/write_tsconfig.js | 12 +++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)
 create mode 100644 .changeset/large-geese-cheat.md

diff --git a/.changeset/large-geese-cheat.md b/.changeset/large-geese-cheat.md
new file mode 100644
index 000000000000..5d51c0fdfdf0
--- /dev/null
+++ b/.changeset/large-geese-cheat.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+Only complain about missing \$lib paths in tsconfig if src/lib exists
diff --git a/packages/kit/src/core/sync/write_tsconfig.js b/packages/kit/src/core/sync/write_tsconfig.js
index aa3fa7bae918..38655eac2484 100644
--- a/packages/kit/src/core/sync/write_tsconfig.js
+++ b/packages/kit/src/core/sync/write_tsconfig.js
@@ -40,10 +40,12 @@ export function write_tsconfig(config) {
 				compilerOptions: {
 					// generated options
 					baseUrl: config_relative('.'),
-					paths: {
-						$lib: [project_relative(config.kit.files.lib)],
-						'$lib/*': [project_relative(config.kit.files.lib + '/*')]
-					},
+					paths: fs.existsSync(config.kit.files.lib)
+						? {
+								$lib: [project_relative(config.kit.files.lib)],
+								'$lib/*': [project_relative(config.kit.files.lib + '/*')]
+						  }
+						: {},
 					rootDirs: [config_relative('.'), './types'],
 
 					// essential options
@@ -82,7 +84,7 @@ function validate(config, out, user_file) {
 	if (extends_framework_config) {
 		const { paths: user_paths } = user_tsconfig.compilerOptions || {};
 
-		if (user_paths) {
+		if (user_paths && fs.existsSync(config.kit.files.lib)) {
 			/** @type {string[]} */
 			const lib = user_paths['$lib'] || [];
 			/** @type {string[]} */