lib-live-03-07/vite.config.ts

import { join, resolve } from "node:path";
import react from "@vitejs/plugin-react-swc";
import { defineConfig } from "vite";
import dts from "vite-plugin-dts";

import { dependencies, devDependencies } from "./package.json";

export default defineConfig({
  plugins: [
    react(),
    dts({ rollupTypes: true }), // Output .d.ts files
  ],
  build: {
    target: "esnext",
    minify: false,
    lib: {
      entry: resolve(__dirname, join("src", "index.ts")),
      fileName: "index",
      formats: ["es", "cjs"],
    },
    rollupOptions: {
      // Exclude peer dependencies from the bundle to reduce bundle size
      external: [
        ...Object.keys(dependencies),
        ...Object.keys(devDependencies),
        "react/jsx-runtime",
      ],
      output: {
        dir: "dist",
        entryFileNames: "[name].cjs",
        format: "cjs",
      },
    },
  },
});