enable fab

packages/app/src/components/Fab.tsx

@@ -15,7 +15,7 @@ import { ReturnTopIcon } from './Icons/ReturnTopIcon';
 
 import styles from './Fab.module.scss';
 
-// const logger = loggerFactory('growi:cli:Fab');
+const logger = loggerFactory('growi:cli:Fab');
 
 export const Fab = (): JSX.Element => {
 
@@ -33,30 +33,30 @@ export const Fab = (): JSX.Element => {
   /*
   * Comment out to prevent err >>> TypeError: Cannot read properties of null (reading 'bottom')
   */
-  // const stickyChangeHandler = useCallback((event) => {
-  //   logger.debug('StickyEvents.CHANGE detected');
-
-  //   const newAnimateClasses = event.detail.isSticky ? 'animated fadeInUp faster' : 'animated fadeOut faster';
-  //   const newButtonClasses = event.detail.isSticky ? '' : 'disabled grw-pointer-events-none';
-
-  //   setAnimateClasses(newAnimateClasses);
-  //   setButtonClasses(newButtonClasses);
-  // }, []);
-
-  // // setup effect by sticky event
-  // useEffect(() => {
-  //   // sticky
-  //   // See: https://github.com/ryanwalters/sticky-events
-  //   const stickyEvents = new StickyEvents({ stickySelector: '#grw-fav-sticky-trigger' });
-  //   const { stickySelector } = stickyEvents;
-  //   const elem = document.querySelector(stickySelector);
-  //   elem.addEventListener(StickyEvents.CHANGE, stickyChangeHandler);
-
-  //   // return clean up handler
-  //   return () => {
-  //     elem.removeEventListener(StickyEvents.CHANGE, stickyChangeHandler);
-  //   };
-  // }, [stickyChangeHandler]);
+  const stickyChangeHandler = useCallback((event) => {
+    logger.debug('StickyEvents.CHANGE detected');
+
+    const newAnimateClasses = event.detail.isSticky ? 'animated fadeInUp faster' : 'animated fadeOut faster';
+    const newButtonClasses = event.detail.isSticky ? '' : 'disabled grw-pointer-events-none';
+
+    setAnimateClasses(newAnimateClasses);
+    setButtonClasses(newButtonClasses);
+  }, []);
+
+  // setup effect by sticky event
+  useEffect(() => {
+    // sticky
+    // See: https://github.com/ryanwalters/sticky-events
+    const stickyEvents = new StickyEvents({ stickySelector: '#grw-fav-sticky-trigger' });
+    const { stickySelector } = stickyEvents;
+    const elem = document.querySelector(stickySelector);
+    elem.addEventListener(StickyEvents.CHANGE, stickyChangeHandler);
+
+    // return clean up handler
+    return () => {
+      elem.removeEventListener(StickyEvents.CHANGE, stickyChangeHandler);
+    };
+  }, [stickyChangeHandler]);
 
   if (currentPath == null) {
     return <></>;