vite.config.ts

import { defineConfig } from "vite";
import { extname, relative, resolve } from "node:path";
import { fileURLToPath } from "node:url";
import { glob } from "glob";
import dts from "vite-plugin-dts";

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [dts({ include: ["src"], exclude: ["src/**/*.stories.tsx"] })],
  build: {
    copyPublicDir: true,
    lib: {
      entry: resolve(__dirname, "src/main.ts"),
      formats: ["es"],
    },
    rollupOptions: {
      external: [
        "react",
        "react/jsx-runtime",
        "@mdi/js",
        "@mdi/react",
        "classnames",
      ],
      input: Object.fromEntries(
        // https://rollupjs.org/configuration-options/#input
        glob
          .sync("src/**/*.{ts,tsx}", {
            ignore: ["src/**/*.d.ts", "src/**/*.stories.tsx"],
          })
          .map((file) => [
            relative("src", file.slice(0, file.length - extname(file).length)),
            fileURLToPath(new URL(file, import.meta.url)),
          ])
      ),
      output: {
        assetFileNames: "assets/[name][extname]",
        entryFileNames: "[name].js",
      },
    },
  },
});