Add Vite plugin to generate type declarations

Author: surilindur

package.json

@@ -44,7 +44,12 @@
     "streamify-string": "^1.0.0",
     "typescript": "^5.0.0",
     "typescript-eslint": "^8.0.0",
-    "vite": "^8.0.0-beta.16",
+    "unplugin-dts": "^1.0.0-beta.6",
+    "vite": "*",
     "vitest": "^4.0.0"
+  },
+  "resolutions": {
+    "rolldown": "^1.0.0-rc.7",
+    "vite": "^8.0.0-beta.16"
   }
 }

vite.config.ts

@@ -1,15 +1,23 @@
 import { compilerOptions } from './tsconfig.json'
 import { defineConfig } from 'vite'
+import dts from 'unplugin-dts/vite'
 
 export default defineConfig({
   build: {
     lib: {
       entry: 'lib/index.ts',
       fileName: 'index',
+      formats: [ 'umd', 'es' ],
       name: 'index'
     },
-    minify: true,
     sourcemap: true,
     target: compilerOptions.target
-  }
+  },
+  plugins: [
+    dts({
+      include: [
+        'lib/*.ts'
+      ]
+    })
+  ]
 })