From 557fcae6b03b36be35d5fb99974fc959c96263e7 Mon Sep 17 00:00:00 2001
From: EGOIST <0x142857@gmail.com>
Date: Thu, 25 Nov 2021 22:33:17 +0800
Subject: [PATCH] feat: add `dts.banner` and `dts.footer` options

---
 package.json   | 2 +-
 src/options.ts | 4 ++++
 src/rollup.ts  | 2 ++
 tsup.config.ts | 4 ++++
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 8f70888e..eec01529 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   },
   "scripts": {
     "dev": "npm run build:simple -- --watch",
-    "build": "tsup src/cli-*.ts src/index.ts src/rollup.ts --clean --dts-resolve --splitting",
+    "build": "tsup src/cli-*.ts src/index.ts src/rollup.ts --clean --splitting",
     "prepublishOnly": "npm run build",
     "test": "npm run build:simple && jest",
     "//": "Building without dts for speed",
diff --git a/src/options.ts b/src/options.ts
index ab406053..415fceba 100644
--- a/src/options.ts
+++ b/src/options.ts
@@ -9,6 +9,10 @@ export type DtsConfig = {
   resolve?: boolean | (string | RegExp)[]
   /** Emit declaration files only */
   only?: boolean
+  /** Insert at the top of each output .d.ts file  */
+  banner?: string
+  /** Insert at the bottom */
+  footer?: string
 }
 
 /**
diff --git a/src/rollup.ts b/src/rollup.ts
index 66a17774..2e1aa9bf 100644
--- a/src/rollup.ts
+++ b/src/rollup.ts
@@ -162,6 +162,8 @@ const getRollupConfig = async (
       dir: options.outDir || 'dist',
       format: 'esm',
       exports: 'named',
+      banner: dtsOptions.banner,
+      footer: dtsOptions.footer,
     },
   }
 }
diff --git a/tsup.config.ts b/tsup.config.ts
index 9b50415e..f6ba9e3a 100644
--- a/tsup.config.ts
+++ b/tsup.config.ts
@@ -3,6 +3,10 @@ import { defineConfig } from 'tsup'
 
 export default defineConfig({
   name: 'tsup',
+  dts: {
+    resolve: true,
+    banner: '// hehe',
+  },
   esbuildPlugins: [
     {
       name: 'patch-rollup-plugin-dts',