gitlab-org--gitlab-foss/app/assets/javascripts/how_to_merge.js

export default () => {
  const modal = $('#modal_merge_info');

  if (modal) {
    modal.modal({
      modal: true,
      show: false,
    });

    $('.how_to_merge_link').on('click', modal.show);
    $('.modal-header .close').on('click', modal.hide);
  }
};