tracks/app/views/projects/destroy.js.erb

remove_deleted_project();
ProjectListPage.update_all_states_count(<%=@active_projects_count%>, <%=@hidden_projects_count%>, <%=@completed_projects_count%>)
TracksPages.page_inform("<%= t('projects.project_destroyed_status', name: @project.name) %>");
TracksPages.set_page_badge(<%=@down_count%>);

/* TODO: refactor and move function to application.js */
function remove_deleted_project() {
  TracksPages.slide_up_and_remove('div#<%=dom_id(@project, "container")%>');
}