From 86d61abeda05cf7d75a6a2cf1c037da5665053ba Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Fri, 26 May 2023 11:59:27 -0500
Subject: [PATCH] feat: allow customising generated tsConfig

---
 src/build.ts       | 4 ++--
 src/options.ts     | 1 +
 src/types/nitro.ts | 2 ++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/build.ts b/src/build.ts
index a28c001a7b..b433635be5 100644
--- a/src/build.ts
+++ b/src/build.ts
@@ -198,7 +198,7 @@ declare module 'nitropack' {
       nitro.options.typescript.tsconfigPath
     );
     const tsconfigDir = dirname(tsConfigPath);
-    const tsConfig: TSConfig = {
+    const tsConfig: TSConfig = defu(nitro.options.typescript.tsConfig, {
       compilerOptions: {
         forceConsistentCasingInFileNames: true,
         strict: nitro.options.typescript.strict,
@@ -224,7 +224,7 @@ declare module 'nitropack' {
           ? [join(relative(tsconfigDir, nitro.options.srcDir), "**/*")]
           : []),
       ],
-    };
+    });
     buildFiles.push({
       path: tsConfigPath,
       contents: JSON.stringify(tsConfig, null, 2),
diff --git a/src/options.ts b/src/options.ts
index cf46abef0e..b393e5b398 100644
--- a/src/options.ts
+++ b/src/options.ts
@@ -101,6 +101,7 @@ const NitroDefaults: NitroConfig = {
     generateTsConfig: true,
     tsconfigPath: "types/tsconfig.json",
     internalPaths: false,
+    tsConfig: {},
   },
   nodeModulesDirs: [],
   hooks: {},
diff --git a/src/types/nitro.ts b/src/types/nitro.ts
index 9c7713072b..f7ab4e41a5 100644
--- a/src/types/nitro.ts
+++ b/src/types/nitro.ts
@@ -12,6 +12,7 @@ import type { Storage, BuiltinDriverName } from "unstorage";
 import type { ServerOptions as HTTPProxyOptions } from "http-proxy";
 import type { ProxyOptions } from "h3";
 import type { ResolvedConfig, ConfigWatcher } from "c12";
+import type { TSConfig } from "pkg-types";
 import type { NodeExternalsOptions } from "../rollup/plugins/externals";
 import type { RollupConfig } from "../rollup/config";
 import type { Options as EsbuildOptions } from "../rollup/plugins/esbuild";
@@ -262,6 +263,7 @@ export interface NitroOptions extends PresetOptions {
     generateTsConfig?: boolean;
     /** the path of the generated `tsconfig.json`, relative to buildDir */
     tsconfigPath: string;
+    tsConfig?: Partial<TSConfig>;
   };
   hooks: NestedHooks<NitroHooks>;
   nodeModulesDirs: string[];