vite.config.mjs

import { defineConfig } from "vite";
import {
  resolver,
  hbs,
  scripts,
  templateTag,
  optimizeDeps,
  compatPrebuild,
  assets,
  contentFor,
} from "@embroider/vite";
import { babel } from "@rollup/plugin-babel";

const extensions = [
  ".mjs",
  ".gjs",
  ".js",
  ".mts",
  ".gts",
  ".ts",
  ".hbs",
  ".json",
];

export default defineConfig(({ mode }) => {
  return {
    resolve: {
      extensions,
    },
    plugins: [
      hbs(),
      templateTag(),
      scripts(),
      resolver(),
      compatPrebuild(),
      assets(),
      contentFor(),

      babel({
        babelHelpers: "runtime",
        extensions,
      }),
    ],
    optimizeDeps: optimizeDeps(),
    server: {
      port: 4200,
    },
    build: {
      outDir: "dist",
      rollupOptions: {
        input: {
          main: "index.html",
          ...(shouldBuildTests(mode)
            ? { tests: "tests/index.html" }
            : undefined),
        },
      },
    },
  };
});

function shouldBuildTests(mode) {
  return mode !== "production" || process.env.FORCE_BUILD_TESTS;
}