{
  name: "detect-server-imports-on-client",
  transform(code, id) {
    const isInDotWaspFolder = id.includes(".wasp");

    if (isInDotWaspFolder) {
      // Skip checking files in .wasp folder.
      return;
    }

    const codeContainsServerImport = code.includes("wasp/server");

    if (codeContainsServerImport) {
      throw new Error(
        `File ${id} contains a server import. This is not allowed in the client code.`
      );
    }
  },
}