placeholder utill we loaded up

src/components/Reactions.tsx

@@ -80,7 +80,17 @@ const Reactions: React.FC<ReactionsProps> = ({ issueId, commentId }) => {
     handleReactionClick(emojiData.emoji);
   };
 
-  if (isLoading || !myUserId) return null;
+  if (isLoading) {
+    return (
+      <div style={styles.container}>
+        <div style={{ ...styles.skeleton, width: '50px' }}></div>
+        <div style={{ ...styles.skeleton, width: '45px' }}></div>
+        <div style={styles.addButtonSkeleton}></div>
+      </div>
+    );
+  }
+
+  if (!myUserId) return null;
 
   return (
     <div style={styles.container}>
@@ -109,7 +119,7 @@ const Reactions: React.FC<ReactionsProps> = ({ issueId, commentId }) => {
 };
 
 const styles: { [key: string]: React.CSSProperties } = {
-  container: { display: 'flex', alignItems: 'center', flexWrap: 'wrap', gap: '6px', marginTop: '8px', marginBottom: '8px', paddingLeft: '10px', fontFamily: '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif', fontSize: '13px' },
+  container: { display: 'flex', alignItems: 'center', flexWrap: 'wrap', gap: '6px', marginTop: '8px', marginBottom: '8px', paddingLeft: '10px', fontFamily: '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif', fontSize: '13px', minHeight: '36px' },
   badge: { display: 'flex', alignItems: 'center', padding: '2px 8px', border: '1px solid #dcdcdc', borderRadius: '12px', cursor: 'pointer', transition: 'background-color 0.2s', backgroundColor: '#f7f7f7' },
   badgeSelected: { backgroundColor: '#e6f2ff', borderColor: '#99ccff' },
   emoji: { marginRight: '4px', fontSize: '15px', lineHeight: '1' },
@@ -117,6 +127,8 @@ const styles: { [key: string]: React.CSSProperties } = {
   countSelected: { color: '#005cc5' },
   addButton: { display: 'flex', alignItems: 'center', padding: '2px 8px', border: '1px dashed #ccc', borderRadius: '12px', backgroundColor: 'transparent', cursor: 'pointer', color: '#555', fontFamily: 'inherit', fontSize: '13px' },
   pickerWrapper: { position: 'absolute', bottom: '100%', left: 0, marginBottom: '10px', zIndex: 1000 },
+  skeleton: { height: '26px', backgroundColor: '#eef0f2', borderRadius: '12px', animation: 'reactions-pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite' },
+  addButtonSkeleton: { height: '26px', width: '42px', backgroundColor: 'transparent', border: '1px dashed #e0e0e0', borderRadius: '12px' },
 };
 
 export default Reactions;

src/content.tsx

@@ -2,40 +2,61 @@ import React from 'react';
 import ReactDOM from 'react-dom/client';
 import Reactions from './components/Reactions';
 
-console.log('Redmine Reactions Extension Loaded!');
+// --- Подготовка ---
+// Создаем элемент <style>, но пока не вставляем его
+const styleSheet = document.createElement("style");
+styleSheet.innerText = `
+  @keyframes reactions-pulse {
+    0%, 100% { opacity: 1; }
+    50% { opacity: 0.5; }
+  }
+`;
+// Флаг, чтобы убедиться, что стили вставляются только один раз
+let stylesInjected = false;
 
-// Функция для извлечения ID задачи из URL
-function getIssueId(): number | null {
-  const match = window.location.pathname.match(/\/issues\/(\d+)/);
-  return match && match[1] ? parseInt(match[1], 10) : null;
+function processCommentContainer(container: HTMLElement) {
+  if (container.dataset.reactionsInitialized) return;
+  container.dataset.reactionsInitialized = 'true';
+
+  const issueIdMatch = window.location.pathname.match(/\/issues\/(\d+)/);
+  if (!issueIdMatch) return;
+  const issueId = parseInt(issueIdMatch[1], 10);
+
+  const noteElement = container.querySelector<HTMLElement>('div[id^="note-"]');
+  if (!noteElement) return;
+  const commentId = noteElement.id;
+
+  const reactionRootEl = document.createElement('div');
+  reactionRootEl.style.minHeight = '36px'; // Резервируем место
+  container.appendChild(reactionRootEl);
+
+  const root = ReactDOM.createRoot(reactionRootEl);
+  root.render(
+    <React.StrictMode>
+      <Reactions issueId={issueId} commentId={commentId} />
+    </React.StrictMode>
+  );
 }
 
-// Находим все блоки с комментариями на странице
-const commentContainers = document.querySelectorAll('div.journal.has-notes');
+const observer = new MutationObserver((mutations) => {
+  if (!stylesInjected && document.head) {
+    document.head.appendChild(styleSheet);
+    stylesInjected = true;
+  }
 
-const issueId = getIssueId();
+  for (const mutation of mutations) {
+    for (const node of mutation.addedNodes) {
+      if (node instanceof HTMLElement) {
+        if (node.matches('div.journal.has-notes')) {
+          processCommentContainer(node);
+        }
+        node.querySelectorAll<HTMLElement>('div.journal.has-notes').forEach(processCommentContainer);
+      }
+    }
+  }
+});
 
-if (issueId) {
-  commentContainers.forEach(container => {
-    // Находим вложенный div с ID комментария
-    const noteElement = container.querySelector<HTMLDivElement>('div[id^="note-"]');
-    if (!noteElement) return;
-
-    const commentId = noteElement.id;
-
-    // Создаем div, в который будем рендерить наш React-компонент
-    const reactionRootEl = document.createElement('div');
-    reactionRootEl.className = 'reactions-app-root';
-
-    // Вставляем наш div в конец контейнера, как вы и определили
-    container.appendChild(reactionRootEl);
-
-    // Создаем React-root и рендерим компонент
-    const root = ReactDOM.createRoot(reactionRootEl);
-    root.render(
-      <React.StrictMode>
-        <Reactions issueId={issueId} commentId={commentId} />
-      </React.StrictMode>
-    );
-  });
-}
+observer.observe(document, {
+  childList: true,
+  subtree: true,
+});