bundler setup

vite.config.ts

@@ -0,0 +1,39 @@
+import react from "@vitejs/plugin-react-swc";
+import { resolve, join } from "path";
+import { defineConfig } from "vite";
+import dts from "vite-plugin-dts";
+
+import { dependencies, devDependencies } from "./package.json";
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react(), dts({ rollupTypes: true })],
+  build: {
+    target: "esnext",
+    minify: false,
+    lib: {
+      entry: resolve(__dirname, join("src", "index.ts")),
+      fileName: "index",
+      formats: ["es", "cjs"],
+      name: "internship-lib",
+    },
+    rollupOptions: {
+      // make sure to externalize deps that shouldn't be bundled
+      // into your library
+      external: [
+        ...Object.keys(devDependencies),
+        ...Object.keys(dependencies),
+        "react/jsx-runtime",
+      ],
+      output: {
+        // Provide global variables to use in the UMD build
+        // for externalized deps
+        globals: {
+          react: "React",
+        },
+        dir: "dist",
+        entryFileNames: "[name].js",
+        format: "es",
+      },
+    },
+  },
+});