Use useHistory and useLocation hooks

src/app.tsx

@@ -11,10 +11,11 @@ import {IndiInfo} from 'topola';
 import {Intro} from './intro';
 import {Loader, Message, Portal, Tab} from 'semantic-ui-react';
 import {Media} from './util/media';
-import {Redirect, Route, RouteComponentProps, Switch} from 'react-router-dom';
+import {Redirect, Route, Switch} from 'react-router-dom';
 import {TopBar} from './menu/top_bar';
 import {TopolaData} from './util/gedcom_util';
 import {useEffect, useState} from 'react';
+import {useHistory, useLocation} from 'react-router';
 import {
   Chart,
   ChartType,
@@ -104,7 +105,7 @@ interface Arguments {
   selection?: IndiInfo;
   chartType: ChartType;
   standalone: boolean;
-  freezeAnimation?: boolean;
+  freezeAnimation: boolean;
   showSidePanel: boolean;
   config: Config;
 }
@@ -171,20 +172,7 @@ function getArguments(location: H.Location<any>): Arguments {
   };
 }
 
-/**
+export function App() {
- * Returs true if the changes object has values that are different than those
- * in state.
- */
-function hasUpdatedValues<T>(state: T, changes: Partial<T> | undefined) {
-  if (!changes) {
-    return false;
-  }
-  return Object.entries(changes).some(
-    ([key, value]) => value !== undefined && state[key] !== value,
-  );
-}
-
-export function App(props: RouteComponentProps) {
   /** State of the application. */
   const [state, setState] = useState<AppState>(AppState.INITIAL);
   /** Loaded data. */
@@ -208,6 +196,8 @@ export function App(props: RouteComponentProps) {
   const [config, setConfig] = useState(DEFALUT_CONFIG);
 
   const intl = useIntl();
+  const history = useHistory();
+  const location = useLocation();
 
   /** Sets the state with a new individual selection and chart type. */
   function updateDisplay(newSelection: IndiInfo) {
@@ -296,17 +286,17 @@ export function App(props: RouteComponentProps) {
 
   useEffect(() => {
     (async () => {
-      if (props.location.pathname !== '/view') {
+      if (location.pathname !== '/view') {
         if (state !== AppState.INITIAL) {
           setState(AppState.INITIAL);
         }
         return;
       }
 
-      const args = getArguments(props.location);
+      const args = getArguments(location);
 
       if (!args.sourceSpec) {
-        props.history.replace({pathname: '/'});
+        history.replace({pathname: '/'});
         return;
       }
 
@@ -321,6 +311,7 @@ export function App(props: RouteComponentProps) {
         setSelection(args.selection);
         setStandalone(args.standalone);
         setChartType(args.chartType);
+        setFreezeAnimation(args.freezeAnimation);
         setConfig(args.config);
         try {
           const data = await loadData(args.sourceSpec, args.selection);
@@ -371,13 +362,12 @@ export function App(props: RouteComponentProps) {
   });
 
   function updateUrl(args: queryString.ParsedQuery<any>) {
-    const location = props.location;
     const search = queryString.parse(location.search);
     for (const key in args) {
       search[key] = args[key];
     }
     location.search = queryString.stringify(search);
-    props.history.push(location);
+    history.push(location);
   }
 
   /**
@@ -516,15 +506,14 @@ export function App(props: RouteComponentProps) {
   return (
     <>
       <Route
-        render={(props: RouteComponentProps) => (
+        render={() => (
           <TopBar
-            {...props}
             data={data?.chartData}
             allowAllRelativesChart={
               sourceSpec?.source !== DataSourceEnum.WIKITREE
             }
             showingChart={
-              props.history.location.pathname === '/view' &&
+              history.location.pathname === '/view' &&
               (state === AppState.SHOWING_CHART ||
                 state === AppState.LOADING_MORE)
             }

src/menu/top_bar.tsx

@@ -5,10 +5,10 @@ import {IndiInfo, JsonGedcomData} from 'topola';
 import {Link} from 'react-router-dom';
 import {Media} from '../util/media';
 import {MenuType} from './menu_item';
-import {RouteComponentProps} from 'react-router-dom';
 import {SearchBar} from './search';
 import {UploadMenu} from './upload_menu';
 import {UrlMenu} from './url_menu';
+import {useHistory, useLocation} from 'react-router';
 import {WikiTreeLoginMenu, WikiTreeMenu} from './wikitree_menu';
 
 enum ScreenSize {
@@ -37,14 +37,16 @@ interface Props {
   showWikiTreeMenus: boolean;
 }
 
-export function TopBar(props: RouteComponentProps & Props) {
+export function TopBar(props: Props) {
+  const history = useHistory();
+  const location = useLocation();
+
   function changeView(view: string) {
-    const location = props.location;
     const search = queryString.parse(location.search);
     if (search.view !== view) {
       search.view = view;
       location.search = queryString.stringify(search);
-      props.history.push(location);
+      history.push(location);
     }
   }
 

src/menu/upload_menu.tsx

@@ -4,8 +4,8 @@ import {analyticsEvent} from '../util/analytics';
 import {Dropdown, Icon, Menu} from 'semantic-ui-react';
 import {FormattedMessage} from 'react-intl';
 import {MenuType} from './menu_item';
-import {RouteComponentProps} from 'react-router-dom';
 import {SyntheticEvent} from 'react';
+import {useHistory, useLocation} from 'react-router';
 
 function loadFileAsText(file: File): Promise<string> {
   return new Promise((resolve) => {
@@ -27,7 +27,10 @@ interface Props {
 }
 
 /** Displays and handles the "Open file" menu. */
-export function UploadMenu(props: RouteComponentProps & Props) {
+export function UploadMenu(props: Props) {
+  const history = useHistory();
+  const location = useLocation();
+
   async function handleUpload(event: SyntheticEvent<HTMLInputElement>) {
     const files = (event.target as HTMLInputElement).files;
     if (!files || !files.length) {
@@ -68,9 +71,8 @@ export function UploadMenu(props: RouteComponentProps & Props) {
 
     // Use history.replace() when reuploading the same file and history.push() when loading
     // a new file.
-    const search = queryString.parse(props.location.search);
+    const search = queryString.parse(location.search);
-    const historyPush =
+    const historyPush = search.file === hash ? history.replace : history.push;
-      search.file === hash ? props.history.replace : props.history.push;
 
     historyPush({
       pathname: '/view',

src/menu/url_menu.tsx

@@ -3,18 +3,19 @@ import {analyticsEvent} from '../util/analytics';
 import {Button, Form, Header, Icon, Input, Modal} from 'semantic-ui-react';
 import {FormattedMessage} from 'react-intl';
 import {MenuItem, MenuType} from './menu_item';
-import {RouteComponentProps} from 'react-router-dom';
 import {useEffect, useRef, useState} from 'react';
+import {useHistory} from 'react-router';
 
 interface Props {
   menuType: MenuType;
 }
 
 /** Displays and handles the "Open URL" menu. */
-export function UrlMenu(props: RouteComponentProps & Props) {
+export function UrlMenu(props: Props) {
   const [dialogOpen, setDialogOpen] = useState(false);
   const [url, setUrl] = useState('');
   const inputRef = useRef<Input>(null);
+  const history = useHistory();
 
   useEffect(() => {
     if (dialogOpen) {
@@ -28,7 +29,7 @@ export function UrlMenu(props: RouteComponentProps & Props) {
     setDialogOpen(false);
     if (url) {
       analyticsEvent('url_selected');
-      props.history.push({
+      history.push({
         pathname: '/view',
         search: queryString.stringify({url}),
       });

src/menu/wikitree_menu.tsx

@@ -5,24 +5,20 @@ import {Button, Form, Header, Input, Modal} from 'semantic-ui-react';
 import {FormattedMessage, useIntl} from 'react-intl';
 import {getLoggedInUserName} from '../datasource/wikitree';
 import {MenuItem, MenuType} from './menu_item';
-import {RouteComponentProps} from 'react-router-dom';
 import {useEffect, useRef, useState} from 'react';
-
+import {useHistory, useLocation} from 'react-router';
-enum WikiTreeLoginState {
-  UNKNOWN,
-  NOT_LOGGED_IN,
-  LOGGED_IN,
-}
 
 interface Props {
   menuType: MenuType;
 }
 
 /** Displays and handles the "Select WikiTree ID" menu. */
-export function WikiTreeMenu(props: RouteComponentProps & Props) {
+export function WikiTreeMenu(props: Props) {
   const [dialogOpen, setDialogOpen] = useState(false);
   const [wikiTreeId, setWikiTreeId] = useState('');
   const inputRef = useRef<Input>(null);
+  const history = useHistory();
+  const location = useLocation();
 
   useEffect(() => {
     if (dialogOpen) {
@@ -38,10 +34,10 @@ export function WikiTreeMenu(props: RouteComponentProps & Props) {
       return;
     }
     analyticsEvent('wikitree_id_selected');
-    const search = queryString.parse(props.location.search);
+    const search = queryString.parse(location.search);
     const standalone =
       search.standalone !== undefined ? search.standalone : true;
-    props.history.push({
+    history.push({
       pathname: '/view',
       search: queryString.stringify({
         indi: wikiTreeId,