Refactor <Column> to TypeScript

app/javascript/mastodon/components/column.jsx

@@ -1,72 +0,0 @@
-import PropTypes from 'prop-types';
-import { PureComponent } from 'react';
-
-import { supportsPassiveEvents } from 'detect-passive-events';
-
-import { scrollTop } from '../scroll';
-
-const listenerOptions = supportsPassiveEvents ? { passive: true } : false;
-
-export default class Column extends PureComponent {
-
-  static propTypes = {
-    children: PropTypes.node,
-    label: PropTypes.string,
-    bindToDocument: PropTypes.bool,
-  };
-
-  scrollTop () {
-    let scrollable = null;
-
-    if (this.props.bindToDocument) {
-      scrollable = document.scrollingElement;
-    } else {
-      scrollable = this.node.querySelector('.scrollable');
-    }
-
-    if (!scrollable) {
-      return;
-    }
-
-    this._interruptScrollAnimation = scrollTop(scrollable);
-  }
-
-  handleWheel = () => {
-    if (typeof this._interruptScrollAnimation !== 'function') {
-      return;
-    }
-
-    this._interruptScrollAnimation();
-  };
-
-  setRef = c => {
-    this.node = c;
-  };
-
-  componentDidMount () {
-    if (this.props.bindToDocument) {
-      document.addEventListener('wheel', this.handleWheel, listenerOptions);
-    } else {
-      this.node.addEventListener('wheel', this.handleWheel, listenerOptions);
-    }
-  }
-
-  componentWillUnmount () {
-    if (this.props.bindToDocument) {
-      document.removeEventListener('wheel', this.handleWheel, listenerOptions);
-    } else {
-      this.node.removeEventListener('wheel', this.handleWheel, listenerOptions);
-    }
-  }
-
-  render () {
-    const { label, children } = this.props;
-
-    return (
-      <div role='region' aria-label={label} className='column' ref={this.setRef}>
-        {children}
-      </div>
-    );
-  }
-
-}

app/javascript/mastodon/components/column.tsx

@@ -0,0 +1,52 @@
+import { forwardRef, useRef, useImperativeHandle } from 'react';
+import type { Ref } from 'react';
+
+import { scrollTop } from 'mastodon/scroll';
+
+export interface ColumnRef {
+  scrollTop: () => void;
+  node: HTMLDivElement | null;
+}
+
+interface ColumnProps {
+  children?: React.ReactNode;
+  label?: string;
+  bindToDocument?: boolean;
+}
+
+export const Column = forwardRef<ColumnRef, ColumnProps>(
+  ({ children, label, bindToDocument }, ref: Ref<ColumnRef>) => {
+    const nodeRef = useRef<HTMLDivElement>(null);
+
+    useImperativeHandle(ref, () => ({
+      node: nodeRef.current,
+
+      scrollTop() {
+        let scrollable = null;
+
+        if (bindToDocument) {
+          scrollable = document.scrollingElement;
+        } else {
+          scrollable = nodeRef.current?.querySelector('.scrollable');
+        }
+
+        if (!scrollable) {
+          return;
+        }
+
+        scrollTop(scrollable);
+      },
+    }));
+
+    return (
+      <div role='region' aria-label={label} className='column' ref={nodeRef}>
+        {children}
+      </div>
+    );
+  },
+);
+
+Column.displayName = 'Column';
+
+// eslint-disable-next-line import/no-default-export
+export default Column;

app/javascript/mastodon/features/directory/index.tsx

@@ -15,7 +15,8 @@ import {
   changeColumnParams,
 } from 'mastodon/actions/columns';
 import { fetchDirectory, expandDirectory } from 'mastodon/actions/directory';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
+import type { ColumnRef } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { LoadMore } from 'mastodon/components/load_more';
 import { LoadingIndicator } from 'mastodon/components/loading_indicator';
@@ -49,7 +50,7 @@ export const Directory: React.FC<{
   const intl = useIntl();
   const dispatch = useAppDispatch();
 
-  const column = useRef<Column>(null);
+  const column = useRef<ColumnRef>(null);
 
   const [orderParam, setOrderParam] = useSearchParam('order');
   const [localParam, setLocalParam] = useSearchParam('local');

app/javascript/mastodon/features/link_timeline/index.tsx

@@ -5,7 +5,8 @@ import { useParams } from 'react-router-dom';
 
 import ExploreIcon from '@/material-icons/400-24px/explore.svg?react';
 import { expandLinkTimeline } from 'mastodon/actions/timelines';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
+import type { ColumnRef } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import StatusListContainer from 'mastodon/features/ui/containers/status_list_container';
 import type { Card } from 'mastodon/models/status';
@@ -17,7 +18,7 @@ export const LinkTimeline: React.FC<{
   const { url } = useParams<{ url: string }>();
   const decodedUrl = url ? decodeURIComponent(url) : undefined;
   const dispatch = useAppDispatch();
-  const columnRef = useRef<Column>(null);
+  const columnRef = useRef<ColumnRef>(null);
   const firstStatusId = useAppSelector((state) =>
     decodedUrl
       ? // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access

app/javascript/mastodon/features/lists/index.tsx

@@ -11,7 +11,7 @@ import MoreHorizIcon from '@/material-icons/400-24px/more_horiz.svg?react';
 import SquigglyArrow from '@/svg-icons/squiggly_arrow.svg?react';
 import { fetchLists } from 'mastodon/actions/lists';
 import { openModal } from 'mastodon/actions/modal';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { Icon } from 'mastodon/components/icon';
 import ScrollableList from 'mastodon/components/scrollable_list';

app/javascript/mastodon/features/lists/members.tsx

@@ -20,7 +20,7 @@ import {
 import type { ApiAccountJSON } from 'mastodon/api_types/accounts';
 import { Avatar } from 'mastodon/components/avatar';
 import { Button } from 'mastodon/components/button';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { ColumnSearchHeader } from 'mastodon/components/column_search_header';
 import { FollowersCounter } from 'mastodon/components/counters';

app/javascript/mastodon/features/lists/new.tsx

@@ -14,7 +14,7 @@ import { fetchList } from 'mastodon/actions/lists';
 import { createList, updateList } from 'mastodon/actions/lists_typed';
 import { apiGetAccounts } from 'mastodon/api/lists';
 import type { RepliesPolicyType } from 'mastodon/api_types/lists';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { LoadingIndicator } from 'mastodon/components/loading_indicator';
 import { useAppDispatch, useAppSelector } from 'mastodon/store';

app/javascript/mastodon/features/notifications_v2/index.tsx

@@ -36,7 +36,8 @@ import { useAppDispatch, useAppSelector } from 'mastodon/store';
 
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { submitMarkers } from '../../actions/markers';
-import Column from '../../components/column';
+import { Column } from '../../components/column';
+import type { ColumnRef } from '../../components/column';
 import { ColumnHeader } from '../../components/column_header';
 import { LoadGap } from '../../components/load_gap';
 import ScrollableList from '../../components/scrollable_list';
@@ -96,7 +97,7 @@ export const Notifications: React.FC<{
     selectNeedsNotificationPermission,
   );
 
-  const columnRef = useRef<Column>(null);
+  const columnRef = useRef<ColumnRef>(null);
 
   const selectChild = useCallback((index: number, alignTop: boolean) => {
     const container = columnRef.current?.node as HTMLElement | undefined;

app/javascript/mastodon/features/onboarding/follows.tsx

@@ -14,7 +14,7 @@ import { fetchSuggestions } from 'mastodon/actions/suggestions';
 import { markAsPartial } from 'mastodon/actions/timelines';
 import { apiRequest } from 'mastodon/api';
 import type { ApiAccountJSON } from 'mastodon/api_types/accounts';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { ColumnSearchHeader } from 'mastodon/components/column_search_header';
 import ScrollableList from 'mastodon/components/scrollable_list';

app/javascript/mastodon/features/onboarding/profile.tsx

@@ -13,7 +13,7 @@ import EditIcon from '@/material-icons/400-24px/edit.svg?react';
 import PersonIcon from '@/material-icons/400-24px/person.svg?react';
 import { updateAccount } from 'mastodon/actions/accounts';
 import { Button } from 'mastodon/components/button';
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { Icon } from 'mastodon/components/icon';
 import { LoadingIndicator } from 'mastodon/components/loading_indicator';

app/javascript/mastodon/features/ui/components/column_loading.tsx

@@ -1,4 +1,4 @@
-import Column from 'mastodon/components/column';
+import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import type { Props as ColumnHeaderProps } from 'mastodon/components/column_header';