lexical: restore EmojiNode, fix Android backspace!

src/features/compose/editor/index.tsx

@@ -49,6 +49,7 @@ interface IComposeEditor {
 }
 
 const theme: InitialConfigType['theme'] = {
+  emoji: 'select-none',
   hashtag: 'hover:underline text-primary-600 dark:text-accent-blue hover:text-primary-800 dark:hover:text-accent-blue',
   mention: 'hover:underline text-primary-600 dark:text-accent-blue hover:text-primary-800 dark:hover:text-accent-blue',
   link: 'hover:underline text-primary-600 dark:text-accent-blue hover:text-primary-800 dark:hover:text-accent-blue',

src/features/compose/editor/nodes/emoji-node.tsx

@@ -95,7 +95,10 @@ class EmojiNode extends DecoratorNode<JSX.Element> {
 
 }
 
-const $createEmojiNode = (name = '', src: string): EmojiNode => $applyNodeReplacement(new EmojiNode(name, src));
+function $createEmojiNode (name = '', src: string): EmojiNode {
+  const node = new EmojiNode(name, src);
+  return $applyNodeReplacement(node);
+}
 
 const $isEmojiNode = (
   node: LexicalNode | null | undefined,

src/features/compose/editor/plugins/autosuggest-plugin.tsx

@@ -18,6 +18,7 @@ import {
   KEY_ESCAPE_COMMAND,
   KEY_TAB_COMMAND,
   LexicalEditor,
+  LexicalNode,
   RangeSelection,
   TextNode,
 } from 'lexical';
@@ -40,6 +41,7 @@ import { selectAccount } from 'soapbox/selectors';
 import { textAtCursorMatchesToken } from 'soapbox/utils/suggestions';
 
 import AutosuggestAccount from '../../components/autosuggest-account';
+import { $createEmojiNode } from '../nodes/emoji-node';
 import { $createMentionNode } from '../nodes/mention-node';
 
 import type { AutoSuggestion } from 'soapbox/components/autosuggest-input';
@@ -309,6 +311,15 @@ const AutosuggestPlugin = ({
         /** Offset for the beginning of the matched text, including the token. */
         const offset = leadOffset - 1;
 
+        /** Replace the matched text with the given node. */
+        function replaceMatch(replaceWith: LexicalNode) {
+          const result = (node as TextNode).splitText(offset, offset + matchingString.length);
+          const textNode = result[1] ?? result[0];
+          const replacedNode = textNode.replace(replaceWith);
+          replacedNode.insertAfter(new TextNode(' '));
+          replacedNode.selectNext();
+        }
+
         if (typeof suggestion === 'object') {
           if (!suggestion.id) return;
           dispatch(useEmoji(suggestion)); // eslint-disable-line react-hooks/rules-of-hooks
@@ -316,18 +327,14 @@ const AutosuggestPlugin = ({
           if (isNativeEmoji(suggestion)) {
             node.spliceText(offset, matchingString.length, `${suggestion.native} `, true);
           } else {
-            node.spliceText(offset, matchingString.length, `${suggestion.colons} `, true);
+            replaceMatch($createEmojiNode(suggestion.colons, suggestion.imageUrl));
           }
         } else if (suggestion[0] === '#') {
           node.setTextContent(`${suggestion} `);
           node.select();
         } else {
           const acct = selectAccount(getState(), suggestion)!.acct;
-          const result = (node as TextNode).splitText(offset, offset + matchingString.length);
+          replaceMatch($createMentionNode(`@${acct}`));
-          const textNode = result[1] ?? result[0];
-          const mentionNode = textNode.replace($createMentionNode(`@${acct}`));
-          mentionNode.insertAfter(new TextNode(' '));
-          mentionNode.selectNext();
         }
 
         dispatch(clearComposeSuggestions(composeId));