From 3a241a4e2c651801c9d820f621227deeca9dd98b Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Fri, 13 Feb 2026 18:07:31 +0000
Subject: [PATCH 1/3] fix: use untransformed typescript type exports

---
 build.config.ts       | 2 +-
 package.json          | 6 +++++-
 src/tsconfig/types.ts | 2 +-
 typescript.d.mts      | 3 +++
 4 files changed, 10 insertions(+), 3 deletions(-)
 create mode 100644 typescript.d.mts

diff --git a/build.config.ts b/build.config.ts
index b44cc28..49d9ed3 100644
--- a/build.config.ts
+++ b/build.config.ts
@@ -3,7 +3,7 @@ import { rm } from "node:fs/promises";
 
 export default defineBuildConfig({
    externals: [
-    "typescript"
+    "#typescript"
    ],
   hooks: {
     async "build:done"() {
diff --git a/package.json b/package.json
index 160c937..6f9d3b4 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,12 @@
   },
   "types": "./dist/index.d.mts",
   "files": [
-    "dist"
+    "dist",
+    "typescript.d.mts"
   ],
+  "imports": {
+    "#typescript": "./typescript.d.mts"
+  },
   "scripts": {
     "build": "unbuild",
     "dev": "vitest --typecheck",
diff --git a/src/tsconfig/types.ts b/src/tsconfig/types.ts
index 7457e4a..08360bc 100644
--- a/src/tsconfig/types.ts
+++ b/src/tsconfig/types.ts
@@ -1,4 +1,4 @@
-import type { CompilerOptions, TypeAcquisition } from "typescript";
+import type { CompilerOptions, TypeAcquisition } from "#typescript";
 
 export type StripEnums<T extends Record<string, any>> = {
   [K in keyof T]: T[K] extends boolean
diff --git a/typescript.d.mts b/typescript.d.mts
new file mode 100644
index 0000000..4b87bb6
--- /dev/null
+++ b/typescript.d.mts
@@ -0,0 +1,3 @@
+import type ts from "typescript";
+export type CompilerOptions = ts.CompilerOptions;
+export type TypeAcquisition = ts.TypeAcquisition;

From 90103d015c7e8c9a738e06c1e854ef2f0ca0a26c Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 10 Mar 2026 12:28:59 +0100
Subject: [PATCH 2/3] refactor: use namespace import

---
 build.config.ts       | 5 +----
 package.json          | 6 +-----
 src/tsconfig/types.ts | 6 +++---
 typescript.d.mts      | 3 ---
 4 files changed, 5 insertions(+), 15 deletions(-)
 delete mode 100644 typescript.d.mts

diff --git a/build.config.ts b/build.config.ts
index 6457bbf..bc2925d 100644
--- a/build.config.ts
+++ b/build.config.ts
@@ -1,8 +1,5 @@
-import { defineBuildConfig } from "obuild/config"
+import { defineBuildConfig } from "obuild/config";
 
 export default defineBuildConfig({
-  externals: [
-    "#typescript"
-  ],
   entries: ["src/index.ts"],
 });
diff --git a/package.json b/package.json
index 454fc09..3c2a6d4 100644
--- a/package.json
+++ b/package.json
@@ -5,15 +5,11 @@
   "license": "MIT",
   "repository": "unjs/pkg-types",
   "files": [
-    "dist",
-    "typescript.d.mts"
+    "dist"
   ],
   "sideEffects": false,
   "main": "./dist/index.mjs",
   "types": "./dist/index.d.mts",
-  "imports": {
-    "#typescript": "./typescript.d.mts"
-  },
   "exports": {
     ".": "./dist/index.mjs"
   },
diff --git a/src/tsconfig/types.ts b/src/tsconfig/types.ts
index 08360bc..2ce561d 100644
--- a/src/tsconfig/types.ts
+++ b/src/tsconfig/types.ts
@@ -1,4 +1,4 @@
-import type { CompilerOptions, TypeAcquisition } from "#typescript";
+import type * as ts from "typescript";
 
 export type StripEnums<T extends Record<string, any>> = {
   [K in keyof T]: T[K] extends boolean
@@ -15,12 +15,12 @@ export type StripEnums<T extends Record<string, any>> = {
 };
 
 export interface TSConfig {
-  compilerOptions?: StripEnums<CompilerOptions>;
+  compilerOptions?: StripEnums<ts.CompilerOptions>;
   exclude?: string[];
   compileOnSave?: boolean;
   extends?: string | string[];
   files?: string[];
   include?: string[];
-  typeAcquisition?: TypeAcquisition;
+  typeAcquisition?: ts.TypeAcquisition;
   references?: { path: string }[];
 }
diff --git a/typescript.d.mts b/typescript.d.mts
deleted file mode 100644
index 4b87bb6..0000000
--- a/typescript.d.mts
+++ /dev/null
@@ -1,3 +0,0 @@
-import type ts from "typescript";
-export type CompilerOptions = ts.CompilerOptions;
-export type TypeAcquisition = ts.TypeAcquisition;

From 2f92821ffd5af5c8ce5ca0e4af2d1b40137fd6cf Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Mon, 27 Apr 2026 11:14:13 +0100
Subject: [PATCH 3/3] build: keep typescript external for dts rollup

---
 build.config.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/build.config.ts b/build.config.ts
index bc2925d..b89fdef 100644
--- a/build.config.ts
+++ b/build.config.ts
@@ -1,5 +1,11 @@
 import { defineBuildConfig } from "obuild/config";
 
 export default defineBuildConfig({
-  entries: ["src/index.ts"],
+  entries: [
+    {
+      type: "bundle",
+      input: "src/index.ts",
+      rolldown: { external: ["typescript"] },
+    },
+  ],
 });