It appears that the repository has undergone several changes and renamings:

backend/node_modules/jiti/lib/index.js

@@ -1,15 +0,0 @@
-function onError(err) {
-  throw err; /* ↓ Check stack trace ↓ */
-}
-
-module.exports = function jiti(filename, opts) {
-  const jiti = require("../dist/jiti");
-
-  opts = { onError, ...opts };
-
-  if (!opts.transform) {
-    opts.transform = require("../dist/babel");
-  }
-
-  return jiti(filename, opts);
-};