update generated tsconfig (#4791)

* update generated tsconfig

* update generated tsconfig

* use esnext

* Update .changeset/hip-ears-reflect.md

Co-authored-by: Rich Harris <[email protected]>

Author: ghostdevv

.changeset/hip-ears-reflect.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+[breaking] add lib, module, and target to generated tsconfig

packages/kit/src/core/sync/write_tsconfig.js

@@ -56,7 +56,14 @@ export function write_tsconfig(config) {
 					isolatedModules: true,
 					// TypeScript doesn't know about import usages in the template because it only sees the
 					// script of a Svelte file. Therefore preserve all value imports. Requires TS 4.5 or higher.
-					preserveValueImports: true
+					preserveValueImports: true,
+
+					// This is required for svelte-kit package to work as expected
+					// Can be overwritten
+					lib: ['esnext', 'DOM'],
+					moduleResolution: 'node',
+					module: 'esnext',
+					target: 'esnext'
 				},
 				include,
 				exclude: [config_relative('node_modules/**'), './**']