Notion RTL support for written text

Add RTL support for Notion, as all other solutions don't seem to work. Not really optimized currently.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Notion RTL support for written text
// @namespace    http://www.sumit.co.il/
// @version      1.2
// @description  Add RTL support for Notion, as all other solutions don't seem to work. Not really optimized currently.
// @author       Effy Teva
// @include      https://www.notion.so/*
// @grant        none
// @require      https://code.jquery.com/jquery-3.7.1.slim.min.js
// @license MIT
// ==/UserScript==

(function() {
    'use strict';
    /*var GM_addStyle =
        function(css) {
            var style = document.getElementById("GM_addStyleBy8626") || (function() {
                var style = document.createElement('style');
                style.type = 'text/css';
                style.id = "GM_addStyleBy8626";
                document.head.appendChild(style);
                return style;
            })();
            var sheet = style.sheet;
            sheet.insertRule(css, (sheet.rules || sheet.cssRules || []).length);
        };

    GM_addStyle(".notion-selectable * { text-align: start !important; }");
    GM_addStyle(".notion-selectable.notion-to_do-block > div > div:nth-of-type(2) { margin-right: 4px !important; }");
*/

    //var blackListClasses = ['notion-collection-item', 'notion-collection_view-block'];
    
    var FixDirection = function(Element) {
        var InnerText = Element.innerText;
        var IsRTL = false;
        for (var i = 0; i < InnerText.length; i++) {
            if ((InnerText[i] >= 'a' && InnerText[i] <= 'z') || (InnerText[i] >= 'A' && InnerText[i] <= 'Z'))
                break;
            else if (InnerText[i] >= 'א' && InnerText[i] <= 'ת') {
                IsRTL = true;
                break;
            }
        }
        Element.style.direction = IsRTL ? "rtl" : "ltr";
        jQuery(Element).find('.notranslate').css('text-align', IsRTL ? 'right' : 'left');
    };
    var FixDirectionDefaultRTL = function(Element) {
        //return;

        var InnerText = Element.innerText;
        var IsLTR = false;
        if (jQuery(Element).closest('.notion-table-view').length > 0)
            IsLTR = true;
        else {
            for (var i = 0; i < InnerText.length; i++) {
                if ((InnerText[i] >= 'a' && InnerText[i] <= 'z') || (InnerText[i] >= 'A' && InnerText[i] <= 'Z')) {
                    IsLTR = true;
                    break;
                }
                else if (InnerText[i] >= 'א' && InnerText[i] <= 'ת') {
                    //IsRTL = true;
                    break;
                }
            }
        }
        Element.style.direction = !IsLTR ? "rtl" : "ltr";
        var $Element = jQuery(Element);
        $Element.find('.notranslate').css('text-align', !IsLTR ? 'right' : 'left');
        $Element.find('.triangle').parent().css('transform', IsLTR ? '' : 'rotateY(180deg)');
        $Element.find('.notion-table-row-selector').css('left', IsLTR ? '-8px' : null).css('right', IsLTR ? null : '-8px');
    };

    var AddGlobalStyle = function(css) {
        var head, style;
        head = document.getElementsByTagName('head')[0];
        if (!head)
            return;
        style = document.createElement('style');
        style.type = 'text/css';
        style.innerHTML = css;
        head.appendChild(style);
    }

    jQuery(function() {
        let $CurrentContentEditable;

        jQuery(document).on("click", ".notion-selectable", function(Event) {
            $CurrentContentEditable = $(this);
            Event.stopPropagation();
        });

        jQuery(document).on("keyup", "[contenteditable]", function(Event) {
            var $Closest = $CurrentContentEditable.closest(".notion-selectable");
            if ($Closest && !$Closest.closest('.notion-outliner-workspace')) {
                FixDirectionDefaultRTL($Closest);
                //console.log($Closest);
            }
            else {
                jQuery(document).find(".notion-frame .notion-selectable").each(function() {
                    FixDirectionDefaultRTL(this);
                });
            }
        });

        const observer = new MutationObserver(mutationList => {
            jQuery(document).find(".notion-frame .notion-selectable").each(function() {
                FixDirectionDefaultRTL(this);
            });


            //if (jQuery(document).find(".dragHandle").closest(".notion-table-view").length == 0)
            //    jQuery(document).find(".dragHandle").parent().parent().parent().parent().parent().parent().parent().parent().css('direction', 'rtl');
            //jQuery(document).find('.typesText').parent().css('margin-right', '').css('margin-left', '8px');

            //jQuery(document).find('[data-content-editable-leaf]:empty').css('direction', 'rtl').css('text-align', 'right');
            //jQuery(document).find('.notion-table-view-header-cell').parent().parent().parent().parent().parent().css('direction', 'rtl');
        });
        observer.observe(document,{childList: true, subtree: true});

        //AddGlobalStyle(".notion-topbar > div:first-of-type > div.notranslate, .notion-frame, .layout-side-peek { direction: rtl; }");
        //AddGlobalStyle(".notion-selectable-hover-menu-item > div > div { margin-right: -20px; }");
        //AddGlobalStyle(".layout { direction:ltr; }");

    });
})();