Bundle d.ts files with rollup-plugin-dts

Author: kateinoigakukun

Diff for: Runtime/rollup.config.mjs

@@ -1,20 +1,31 @@
 import typescript from "@rollup/plugin-typescript";
+import dts from "rollup-plugin-dts";
 
 /** @type {import('rollup').RollupOptions} */
-const config = {
-    input: "src/index.ts",
-    output: [
-        {
-            file: "lib/index.mjs",
+const config = [
+    {
+        input: "src/index.ts",
+        output: [
+            {
+                file: "lib/index.mjs",
+                format: "esm",
+            },
+            {
+                file: "lib/index.js",
+                format: "umd",
+                name: "JavaScriptKit",
+            },
+        ],
+        plugins: [typescript()],
+    },
+    {
+        input: "src/index.ts",
+        output: {
+            file: "lib/index.d.ts",
             format: "esm",
         },
-        {
-            dir: "lib",
-            format: "umd",
-            name: "JavaScriptKit",
-        },
-    ],
-    plugins: [typescript()],
-};
+        plugins: [dts()],
+    },
+];
 
 export default config;

Diff for: Runtime/tsconfig.json

@@ -1,7 +1,6 @@
 {
     "compilerOptions": {
-        "declaration": true,
-        "declarationDir": "lib",
+        "declaration": false,
         "importHelpers": true,
         "module": "esnext",
         "noEmit": true,

Diff for: package-lock.json

@@ -38,6 +38,7 @@
     "playwright": "^1.51.0",
     "prettier": "3.5.3",
     "rollup": "^4.37.0",
+    "rollup-plugin-dts": "^6.2.1",
     "typescript": "^5.8.2"
   }
 }