tildes/tildes/static/js/behaviors/comment-parent-button.js

// Copyright (c) 2018 Tildes contributors <code@tildes.net>
// SPDX-License-Identifier: AGPL-3.0-or-later

$.onmount('[data-js-comment-parent-button]', function() {
    $(this).click(function(event) {
        var $comment = $(this).parents('.comment').first();
        var $parentComment = $comment.parents('.comment').first();

        var backButton = document.createElement('a');
        backButton.setAttribute('href', '#comment-' + $comment.attr('data-comment-id36'));
        backButton.setAttribute('class', 'comment-nav-link');
        backButton.setAttribute('data-js-comment-back-button', '');
        backButton.setAttribute('data-js-remove-on-click', '');
        backButton.innerHTML = '[Back]';

        var $parentHeader = $parentComment.find('header').first();

        // remove any existing back button
        $parentHeader.find('[data-js-comment-back-button]').remove();

        $parentHeader.append(backButton);
        $.onmount();
    });
});