vite.config.ts

import { resolve } from "path";

import vue from "@vitejs/plugin-vue";
import { defineConfig } from "vite";
import dts from "vite-plugin-dts";

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [vue(), dts()],
  build: {
    lib: {
      // Could also be a dictionary or array of multiple entry points
      entry: resolve(__dirname, "src/index.ts"),
      name: "muc-patternlab-vue",
      formats: ["es"],
      // the proper extensions will be added
      fileName: (format) => `muc-patternlab-vue.${format}.js`,
    },
    rollupOptions: {
      // make sure to externalize deps that shouldn't be bundled
      // into your library
      external: ["vue"],
      output: {
        // disable warning on src/index.ts using both default and named export
        exports: "named",
        // Provide global variables to use in the UMD build
        // for externalized deps
        globals: {
          vue: "Vue",
        },
      },
    },
    emptyOutDir: false, // to retain the types folder generated by tsc
  },
});