Core/vite.config.ts

import { type ConfigEnv, defineConfig, type UserConfig } from "vite";
import dts from "vite-plugin-dts";
import react from "@vitejs/plugin-react";

// https://vitejs.dev/config/

export default defineConfig(({ mode }: ConfigEnv): UserConfig => {
	return {
		build: {
			outDir: "lib",
			sourcemap: true,
			minify: "esbuild",
			lib: {
				entry: "index.ts",
				formats: ["es"],
				fileName: "index",
			},
			rollupOptions: {
				external: [
					"react",
					"react-dom",
					"react-router-dom",
					"@phosphor-icons/react",
				],
			},
		},

		plugins: [
			react(),
			dts({
				rollupTypes: true,
				insertTypesEntry: true,
				exclude: ["demo", "node_modules"],
			}),
		],
	};
});