old/assets/js/user-edit.js

$('.group-all').change(function () {
    const v = $(this).is(':checked');

    const items = $(this).parent().next('ul').children();
    items.each(function () {
        $(this).find('input[type=checkbox]').prop('checked', v);
    });
});

$('input[type=checkbox]:not(.group-all)').change(function () {
    const groupAll = $(this).parent().parent().prev('h4').find('.group-all');
    if (!$(this).is(':checked')) {
        groupAll.prop('checked', false);
    } else {
        const siblings = $(this).parent().siblings().find('input[type=checkbox]:not(:checked)');
        if (siblings.length === 0) {
            groupAll.prop('checked', true);
        }
    }
});

function checkSiblings() {

}

$(function () {

});

const ranks = [1, 2, 3, 6, 7, 8, 9, 10];
const rankPresets = {
    1: [],
    2: ['user.disableAds'],
    3: [],
    6: ['blog.view', 'blog.create', 'blog.editOwn', 'dashboard.view'],
    7: ['blog.edit', 'blog.deleteOwn', 'blog.delete', 'blog.createCategory', 'blog.publish', 'blog.publishNow', 'blog.publishSelf'],
    8: ['blog.edit', 'blog.deleteOwn', 'blog.delete', 'blog.createCategory', 'blog.publish', 'blog.publishNow', 'blog.publishSelf', 'user.view', 'user.deletePost', 'user.warn', 'reports.receive', 'feedback.receive', 'feedback.reply', 'contact.view', 'contact.answer'],
    9: ['blog.edit', 'blog.deleteOwn', 'blog.delete', 'blog.createCategory', 'blog.publish', 'blog.publishNow', 'blog.publishSelf', 'blog.deleteOwnFinally', 'blog.deleteFinally', 'projects.view', 'user.changeRank', 'user.editPermissions'],
    10: ['projects.create', 'projects.editOwn', 'projects.edit', 'projects.deleteOwn', 'projects.delete', 'projects.deleteCategory', 'file.view', 'file.upload', 'file.uploadManually', 'file.delete', 'redirect.view', 'redirect.create', 'redirect.edit', 'redirect.delete', 'user.ban', 'user.viewDetails', 'dashboard.detailView'],
};

$('input[name=rank]').change(function () {
    const activeRank = parseInt($(this).val());

    $('.perm-box').prop('checked', false);

    for (let rank of ranks) {
        if (rank > activeRank)
            break;

        rankPresets[rank].forEach(perm => {
            const el = $('#' + perm.replace('.', ''));
            const value = !el.is(':checked');
            el.prop('checked', value);
        });
    }
});