Fix/simplify onlyEmoji

src/components/markup.css

@@ -102,10 +102,6 @@ body.underline-links [data-markup] a {
   @apply underline;
 }
 
-[data-markup].big-emoji img.emojione {
-  @apply inline w-9 h-9 p-1;
-}
-
 [data-markup] .status-link {
   @apply hover:underline text-primary-600 dark:text-accent-blue hover:text-primary-800 dark:hover:text-accent-blue;
 }

src/components/status-content.tsx

@@ -1,11 +1,11 @@
 import chevronRightIcon from '@tabler/icons/outline/chevron-right.svg';
 import clsx from 'clsx';
+import graphemesplit from 'graphemesplit';
 import parse, { Element, type HTMLReactParserOptions, domToReact, type DOMNode } from 'html-react-parser';
 import { useState, useRef, useLayoutEffect, useMemo, memo } from 'react';
 import { FormattedMessage } from 'react-intl';
 
 import Icon from 'soapbox/components/icon.tsx';
-import { onlyEmoji as isOnlyEmoji } from 'soapbox/utils/rich-content.ts';
 
 import { getTextDirection } from '../utils/rtl.ts';
 
@@ -49,10 +49,14 @@ const StatusContent: React.FC<IStatusContent> = ({
   textSize = 'md',
 }) => {
   const [collapsed, setCollapsed] = useState(false);
-  const [onlyEmoji, setOnlyEmoji] = useState(false);
 
   const node = useRef<HTMLDivElement>(null);
 
+  const isOnlyEmoji = useMemo(() => {
+    const textContent = new DOMParser().parseFromString(status.contentHtml, 'text/html').body.firstChild?.textContent;
+    return Boolean(textContent && /^\p{Extended_Pictographic}+$/u.test(textContent) && (graphemesplit(textContent).length <= BIG_EMOJI_LIMIT));
+  }, [status.contentHtml]);
+
   const maybeSetCollapsed = (): void => {
     if (!node.current) return;
 
@@ -63,18 +67,8 @@ const StatusContent: React.FC<IStatusContent> = ({
     }
   };
 
-  const maybeSetOnlyEmoji = (): void => {
-    if (!node.current) return;
-    const only = isOnlyEmoji(node.current, BIG_EMOJI_LIMIT, true);
-
-    if (only !== onlyEmoji) {
-      setOnlyEmoji(only);
-    }
-  };
-
   useLayoutEffect(() => {
     maybeSetCollapsed();
-    maybeSetOnlyEmoji();
   });
 
   const parsedHtml = useMemo((): string => {
@@ -149,7 +143,7 @@ const StatusContent: React.FC<IStatusContent> = ({
     'cursor-pointer': onClick,
     'whitespace-normal': withSpoiler,
     'max-h-[300px]': collapsed,
-    'leading-normal big-emoji': onlyEmoji,
+    'leading-normal !text-4xl': isOnlyEmoji,
   });
 
   if (onClick) {
@@ -184,7 +178,7 @@ const StatusContent: React.FC<IStatusContent> = ({
         tabIndex={0}
         key='content'
         className={clsx(baseClassName, {
-          'leading-normal big-emoji': onlyEmoji,
+          'leading-normal !text-4xl': isOnlyEmoji,
         })}
         direction={direction}
         lang={status.language || undefined}

src/features/chats/components/chat-message.tsx

@@ -6,12 +6,12 @@ import moodSmileIcon from '@tabler/icons/outline/mood-smile.svg';
 import trashIcon from '@tabler/icons/outline/trash.svg';
 import { useMutation } from '@tanstack/react-query';
 import clsx from 'clsx';
+import graphemesplit from 'graphemesplit';
 import { List as ImmutableList, Map as ImmutableMap } from 'immutable';
 import escape from 'lodash/escape';
 import { useMemo, useState } from 'react';
 import { defineMessages, useIntl } from 'react-intl';
 
-
 import { openModal } from 'soapbox/actions/modals.ts';
 import { initReport, ReportableEntities } from 'soapbox/actions/reports.ts';
 import DropdownMenu from 'soapbox/components/dropdown-menu/index.ts';
@@ -27,7 +27,6 @@ import { useFeatures } from 'soapbox/hooks/useFeatures.ts';
 import { ChatKeys, IChat, useChatActions } from 'soapbox/queries/chats.ts';
 import { queryClient } from 'soapbox/queries/client.ts';
 import { stripHTML } from 'soapbox/utils/html.ts';
-import { onlyEmoji } from 'soapbox/utils/rich-content.ts';
 
 import ChatMessageReactionWrapper from './chat-message-reaction-wrapper/chat-message-reaction-wrapper.tsx';
 import ChatMessageReaction from './chat-message-reaction.tsx';
@@ -100,10 +99,9 @@ const ChatMessage = (props: IChatMessage) => {
     && lastReadMessageTimestamp >= new Date(chatMessage.created_at);
 
   const isOnlyEmoji = useMemo(() => {
-    const hiddenEl = document.createElement('div');
-    hiddenEl.innerHTML = content;
-    return onlyEmoji(hiddenEl, BIG_EMOJI_LIMIT, false);
-  }, []);
+    const textContent = new DOMParser().parseFromString(content, 'text/html').body.firstChild?.textContent;
+    return Boolean(textContent && /^\p{Extended_Pictographic}+$/u.test(textContent) && (graphemesplit(textContent).length <= BIG_EMOJI_LIMIT));
+  }, [content]);
 
   const emojiReactionRows = useMemo(() => {
     if (!chatMessage.emoji_reactions) {
@@ -302,7 +300,7 @@ const ChatMessage = (props: IChatMessage) => {
                       '[&_.mention]:text-white dark:[&_.mention]:white': isMyMessage,
                       'bg-primary-500 text-white': isMyMessage,
                       'bg-gray-200 dark:bg-gray-800 text-gray-900 dark:text-gray-100': !isMyMessage,
-                      '!bg-transparent !p-0 emoji-lg': isOnlyEmoji,
+                      '!bg-transparent !p-0 text-4xl': isOnlyEmoji,
                     })
                   }
                   ref={setBubbleRef}

src/styles/tailwind.css

@@ -130,15 +130,6 @@
     padding-left: 4px;
   }
 
-  .emoji-lg img.emojione {
-    width: 36px !important;
-    height: 36px !important;
-  }  
-
-  .emojione {
-    @apply w-4 h-4 -mt-[0.2ex] mb-[0.2ex] inline-block align-middle object-contain;
-  }
-
   .compose-form-warning {
     strong {
       @apply font-medium;

src/utils/rich-content.ts

@@ -1,24 +0,0 @@
-/** Returns `true` if the node contains only emojis, up to a limit */
-export const onlyEmoji = (node: HTMLElement, limit = 1, ignoreMentions = true): boolean => {
-  if (!node) return false;
-
-  try {
-    // Remove mentions before checking content
-    if (ignoreMentions) {
-      node = node.cloneNode(true) as HTMLElement;
-      node.querySelectorAll('a.mention').forEach(m => m.parentNode?.removeChild(m));
-    }
-
-    if (node.textContent?.replace(new RegExp(' ', 'g'), '') !== '') return false;
-    const emojis = Array.from(node.querySelectorAll('img.emojione'));
-    if (emojis.length === 0) return false;
-    if (emojis.length > limit) return false;
-    const images = Array.from(node.querySelectorAll('img'));
-    if (images.length > emojis.length) return false;
-    return true;
-  } catch (e) {
-    // If anything in here crashes, skipping it is inconsequential.
-    console.error(e);
-    return false;
-  }
-};