ESM imports don't work at all in vite/sveltekit since recent update

[JorensM]

So I just updated this package from 13.0.3 to 13.0.14, and suddenly my entire sveltekit project stopped working - it seems that every single import statement returns undefined. I'm guessing it's due to one of Babel's dependencies being updated. When I have some free time I'll pinpoint the exact version where this starts occuring.

For now here are my dependencies:

"devDependencies": {
    "@babeard/svelte-heroicons": "^2.0.0-rc.0",
    "@playwright/test": "^1.44.1",
    "@rgossiaux/svelte-headlessui": "^2.0.0",
    "@rgossiaux/svelte-heroicons": "^0.1.2",
    "@sveltejs/adapter-static": "^2.0.3",
    "@sveltejs/kit": "^1.29.0",
    "@tailwindcss/forms": "^0.5.7",
    "@types/croppie": "^2.6.4",
    "@types/google.maps": "^3.54.10",
    "@types/node": "^20.14.6",
    "autoprefixer": "^10.4.16",
    "cross-env": "^7.0.3",
    "env-cmd": "^10.1.0",
    "eslint": "^8.55.0",
    "eslint-config-prettier": "^9.1.0",
    "eslint-plugin-svelte3": "^4.0.0",
    "postcss": "^8.4.32",
    "prettier": "^3.1.1",
    "prettier-plugin-svelte": "^3.1.2",
    "prettier-plugin-tailwindcss": "^0.5.9",
    "svelte": "^3.59.2",
    "svelte-check": "^3.6.0",
    "svelte-preprocess": "^5.1.1",
    "swagger-typescript-api": "^13.0.14",
    "tailwindcss": "^3.3.6",
    "timemachine": "^0.3.2",
    "typescript": "^5.3.3",
    "vite": "^4.5.1"
  },
  "dependencies": {
    "@auth0/auth0-spa-js": "^2.1.3",
    "@typescript-eslint/eslint-plugin": "^6.14.0",
    "@typescript-eslint/parser": "^6.14.0",
    "awesome-phonenumber": "^6.10.0",
    "clsx": "^2.0.0",
    "country-flag-icons": "^1.5.9",
    "croppie": "^2.6.5",
    "flag-icons": "^7.1.0",
    "focus-trap": "^7.5.4",
    "keycloak-js": "^24.0.2",
    "moment": "^2.29.4",
    "serve": "^14.2.3",
    "svelte-i18n": "^4.0.0",
    "svelte-tel-input": "^3.3.9",
    "sveltekit-superforms": "^2.1.0",
    "yup": "^1.3.3"
  },

[smorimoto]

A minimal example is needed, not a dump of package.json.

[JorensM]

A minimal example is needed, not a dump of package.json.

As mentioned I will find some time to pinpoint the exact version and conditions, just wanted to give a heads up in case this might be affecting more people or if someone wants to investigate.