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

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

$.onmount('[data-js-comment-collapse-button]', function() {
    $(this).click(function(event) {
        $this = $(this);
        $comment = $this.closest('.comment');

        // if the comment is individually collapsed, just remove that class,
        // otherwise toggle the collapsed state
        if ($comment.hasClass('is-comment-collapsed-individual')) {
            $comment.removeClass('is-comment-collapsed-individual');
        } else {
            $comment.toggleClass('is-comment-collapsed');
        }

        if ($comment.hasClass('is-comment-collapsed')) {
            $this.text('+');
        } else {
            $this.html('&minus;');
        }

        $this.blur();
    });
});