vite.config.ts

import { defineConfig } from "vite"
import pkg from "./package.json"
import { qwikVite } from "@builder.io/qwik/optimizer"
import tsconfigPaths from "vite-tsconfig-paths"

const { dependencies = {}, peerDependencies = {} } = pkg as any
const makeRegex = dep => new RegExp(`^${dep}(/.*)?$`)
const excludeAll = obj => Object.keys(obj).map(makeRegex)

export default defineConfig(() => {
  return {
    build: {
      target: "ES2022",
      lib: {
        entry: "./src/index.ts",
        formats: ["es", "cjs"],
        fileName: format => `index.qwik.${format === "es" ? "mjs" : "cjs"}`,
      },
      rollupOptions: {
        // externalize deps that shouldn't be bundled into the library
        external: [
          /^node:.*/,
          ...excludeAll(dependencies),
          ...excludeAll(peerDependencies),
        ],
      },
    },
    plugins: [qwikVite(), tsconfigPaths()],
  }
})