Refactor state & Custom editor (#1190)

* Fix eslint

* Enable ts strict mode

* install folds, jotai & immer

* Enable immer map/set

* change cross-signing alert anim to 30 iteration

* Add function to access matrix client

* Add new types

* Add disposable util

* Add room utils

* Add mDirect list atom

* Add invite list atom

* add room list atom

* add utils for jotai atoms

* Add room id to parents atom

* Add mute list atom

* Add room to unread atom

* Use hook to bind atoms with sdk

* Add settings atom

* Add settings hook

* Extract set settings hook

* Add Sidebar components

* WIP

* Add bind atoms hook

* Fix init muted room list atom

* add navigation atoms

* Add custom editor

* Fix hotkeys

* Update folds

* Add editor output function

* Add matrix client context

* Add tooltip to editor toolbar items

* WIP - Add editor to room input

* Refocus editor on toolbar item click

* Add Mentions - WIP

* update folds

* update mention focus outline

* rename emoji element type

* Add auto complete menu

* add autocomplete query functions

* add index file for editor

* fix bug in getPrevWord function

* Show room mention autocomplete

* Add async search function

* add use async search hook

* use async search in room mention autocomplete

* remove folds prefer font for now

* allow number array in async search

* reset search with empty query

* Autocomplete unknown room mention

* Autocomplete first room mention on tab

* fix roomAliasFromQueryText

* change mention color to primary

* add isAlive hook

* add getMxIdLocalPart to mx utils

* fix getRoomAvatarUrl size

* fix types

* add room members hook

* fix bug in room mention

* add user mention autocomplete

* Fix async search giving prev result after no match

* update folds

* add twemoji font

* add use state provider hook

* add prevent scroll with arrow key util

* add ts to custom-emoji and emoji files

* add types

* add hook for emoji group labels

* add hook for emoji group icons

* add emoji board with basic emoji

* add emojiboard in room input

* select multiple emoji with shift press

* display custom emoji in emojiboard

* Add emoji preview

* focus element on hover

* update folds

* position emojiboard properly

* convert recent-emoji.js to ts

* add use recent emoji hook

* add io.element.recent_emoji to account data evt

* Render recent emoji in emoji board

* show custom emoji from parent spaces

* show room emoji

* improve emoji sidebar

* update folds

* fix pack avatar and name fallback in emoji board

* add stickers to emoji board

* fix bug in emoji preview

* Add sticker icon in room input

* add debounce hook

* add search in emoji board

* Optimize emoji board

* fix emoji board sidebar divider

* sync emojiboard sidebar with scroll & update ui

* Add use throttle hook

* support custom emoji in editor

* remove duplicate emoji selection function

* fix emoji and mention spacing

* add emoticon autocomplete in editor

* fix string

* makes emoji size relative to font size in editor

* add option to render link element

* add spoiler in editor

* fix sticker in emoji board search using wrong type

* render custom placeholder

* update hotkey for block quote and block code

* add terminate search function in async search

* add getImageInfo to matrix utils

* send stickers

* add resize observer hook

* move emoji board component hooks in hooks dir

* prevent editor expand hides room timeline

* send typing notifications

* improve emoji style and performance

* fix imports

* add on paste param to editor

* add selectFile utils

* add file picker hook

* add file paste handler hook

* add file drop handler

* update folds

* Add file upload card

* add bytes to size util

* add blurHash util

* add await to js lib

* add browser-encrypt-attachment types

* add list atom

* convert mimetype file to ts

* add matrix types

* add matrix file util

* add file related dom utils

* add common utils

* add upload atom

* add room input draft atom

* add upload card renderer component

* add upload board component

* add support for file upload in editor

* send files with message / enter

* fix circular deps

* store editor toolbar state in local store

* move msg content util to separate file

* store msg draft on room switch

* fix following member not updating on msg sent

* add theme for folds component

* fix system default theme

* Add reply support in editor

* prevent initMatrix to init multiple time

* add state event hooks

* add async callback hook

* Show tombstone info for tombstone room

* fix room tombstone component border

* add power level hook

* Add room input placeholder component

* Show input placeholder for muted member

src/app/organisms/room/RoomViewContent.jsx

@@ -28,6 +28,7 @@ import { useForceUpdate } from '../../hooks/useForceUpdate';
 import { parseTimelineChange } from './common';
 import TimelineScroll from './TimelineScroll';
 import EventLimit from './EventLimit';
+import { getResizeObserverEntry, useResizeObserver } from '../../hooks/useResizeObserver';
 
 const PAG_LIMIT = 30;
 const MAX_MSG_DIFF_MINUTES = 5;
@@ -392,7 +393,7 @@ function useEventArrive(roomTimeline, readUptoEvtStore, timelineScrollRef, event
 
 let jumpToItemIndex = -1;
 
-function RoomViewContent({ eventId, roomTimeline }) {
+function RoomViewContent({ roomInputRef, eventId, roomTimeline }) {
   const [throttle] = useState(new Throttle());
 
   const timelineSVRef = useRef(null);
@@ -484,6 +485,21 @@ function RoomViewContent({ eventId, roomTimeline }) {
     }
   }, [newEvent]);
 
+  useResizeObserver(
+    roomInputRef.current,
+    useCallback((entries) => {
+      if (!roomInputRef.current) return;
+      const editorBaseEntry = getResizeObserverEntry(roomInputRef.current, entries);
+      if (!editorBaseEntry) return;
+
+      const timelineScroll = timelineScrollRef.current;
+      if (!roomTimeline.initialized) return;
+      if (timelineScroll.bottom < 40 && !roomTimeline.canPaginateForward() && document.visibilityState === 'visible') {
+        timelineScroll.scrollToBottom();
+      }
+    }, [roomInputRef])
+  );
+  
   const listenKeyboard = useCallback((event) => {
     if (event.ctrlKey || event.altKey || event.metaKey) return;
     if (event.key !== 'ArrowUp') return;
@@ -620,6 +636,9 @@ RoomViewContent.defaultProps = {
 RoomViewContent.propTypes = {
   eventId: PropTypes.string,
   roomTimeline: PropTypes.shape({}).isRequired,
+  roomInputRef: PropTypes.shape({
+    current: PropTypes.shape({})
+  }).isRequired
 };
 
 export default RoomViewContent;