open-nomad/ui/app/utils/codes-for-error.js

// Returns an array of error codes as strings for an Ember error object
export default function codesForError(error) {
  const codes = [error.code];

  if (error.errors) {
    error.errors.forEach((err) => {
      codes.push(err.status);
    });
  }

  return codes
    .compact()
    .uniq()
    .map((code) => '' + code);
}