Use generics to better type TabbedView

src/TextForEvent.tsx

@@ -32,7 +32,7 @@ import { WIDGET_LAYOUT_EVENT_TYPE } from "./stores/widgets/WidgetLayoutStore";
 import { RightPanelPhases } from "./stores/right-panel/RightPanelStorePhases";
 import defaultDispatcher from "./dispatcher/dispatcher";
 import { MatrixClientPeg } from "./MatrixClientPeg";
-import { ROOM_SECURITY_TAB } from "./components/views/dialogs/RoomSettingsDialog";
+import { RoomSettingsTab } from "./components/views/dialogs/RoomSettingsDialog";
 import AccessibleButton, { ButtonEvent } from "./components/views/elements/AccessibleButton";
 import RightPanelStore from "./stores/right-panel/RightPanelStore";
 import { highlightEvent, isLocationEvent } from "./utils/EventUtils";
@@ -236,7 +236,7 @@ function textForTombstoneEvent(ev: MatrixEvent): (() => string) | null {
 const onViewJoinRuleSettingsClick = (): void => {
     defaultDispatcher.dispatch({
         action: "open_room_settings",
-        initial_tab_id: ROOM_SECURITY_TAB,
+        initial_tab_id: RoomSettingsTab.Security,
     });
 };
 

src/components/structures/TabbedView.tsx

@@ -29,7 +29,7 @@ import { RovingAccessibleButton, RovingTabIndexProvider } from "../../accessibil
 /**
  * Represents a tab for the TabbedView.
  */
-export class Tab {
+export class Tab<T extends string> {
     /**
      * Creates a new tab.
      * @param {string} id The tab's ID.
@@ -39,7 +39,7 @@ export class Tab {
      * @param {string} screenName The screen name to report to Posthog.
      */
     public constructor(
-        public readonly id: string,
+        public readonly id: T,
         public readonly label: string,
         public readonly icon: string | null,
         public readonly body: React.ReactNode,
@@ -52,20 +52,20 @@ export enum TabLocation {
     TOP = "top",
 }
 
-interface IProps {
-    tabs: NonEmptyArray<Tab>;
-    initialTabId?: string;
+interface IProps<T extends string> {
+    tabs: NonEmptyArray<Tab<T>>;
+    initialTabId?: T;
     tabLocation: TabLocation;
-    onChange?: (tabId: string) => void;
+    onChange?: (tabId: T) => void;
     screenName?: ScreenName;
 }
 
-interface IState {
-    activeTabId: string;
+interface IState<T extends string> {
+    activeTabId: T;
 }
 
-export default class TabbedView extends React.Component<IProps, IState> {
-    public constructor(props: IProps) {
+export default class TabbedView<T extends string> extends React.Component<IProps<T>, IState<T>> {
+    public constructor(props: IProps<T>) {
         super(props);
 
         const initialTabIdIsValid = props.tabs.find((tab) => tab.id === props.initialTabId);
@@ -78,7 +78,7 @@ export default class TabbedView extends React.Component<IProps, IState> {
         tabLocation: TabLocation.LEFT,
     };
 
-    private getTabById(id: string): Tab | undefined {
+    private getTabById(id: T): Tab<T> | undefined {
         return this.props.tabs.find((tab) => tab.id === id);
     }
 
@@ -87,7 +87,7 @@ export default class TabbedView extends React.Component<IProps, IState> {
      * @param {Tab} tab the tab to show
      * @private
      */
-    private setActiveTab(tab: Tab): void {
+    private setActiveTab(tab: Tab<T>): void {
         // make sure this tab is still in available tabs
         if (!!this.getTabById(tab.id)) {
             if (this.props.onChange) this.props.onChange(tab.id);
@@ -97,7 +97,7 @@ export default class TabbedView extends React.Component<IProps, IState> {
         }
     }
 
-    private renderTabLabel(tab: Tab): JSX.Element {
+    private renderTabLabel(tab: Tab<T>): JSX.Element {
         const isActive = this.state.activeTabId === tab.id;
         const classes = classNames("mx_TabbedView_tabLabel", {
             mx_TabbedView_tabLabel_active: isActive,
@@ -130,11 +130,11 @@ export default class TabbedView extends React.Component<IProps, IState> {
         );
     }
 
-    private getTabId(tab: Tab): string {
+    private getTabId(tab: Tab<T>): string {
         return `mx_tabpanel_${tab.id}`;
     }
 
-    private renderTabPanel(tab: Tab): React.ReactNode {
+    private renderTabPanel(tab: Tab<T>): React.ReactNode {
         const id = this.getTabId(tab);
         return (
             <div className="mx_TabbedView_tabPanel" key={id} id={id} aria-labelledby={`${id}_label`}>

src/components/views/context_menus/RoomContextMenu.tsx

@@ -38,7 +38,7 @@ import ExportDialog from "../dialogs/ExportDialog";
 import { useFeatureEnabled } from "../../../hooks/useSettings";
 import { usePinnedEvents } from "../right_panel/PinnedMessagesCard";
 import { RightPanelPhases } from "../../../stores/right-panel/RightPanelStorePhases";
-import { ROOM_NOTIFICATIONS_TAB } from "../dialogs/RoomSettingsDialog";
+import { RoomSettingsTab } from "../dialogs/RoomSettingsDialog";
 import { useEventEmitterState } from "../../../hooks/useEventEmitter";
 import RightPanelStore from "../../../stores/right-panel/RightPanelStore";
 import DMRoomMap from "../../../utils/DMRoomMap";
@@ -199,7 +199,7 @@ const RoomContextMenu: React.FC<IProps> = ({ room, onFinished, ...props }) => {
                     dis.dispatch({
                         action: "open_room_settings",
                         room_id: room.roomId,
-                        initial_tab_id: ROOM_NOTIFICATIONS_TAB,
+                        initial_tab_id: RoomSettingsTab.Notifications,
                     });
                     onFinished();
 

src/components/views/dialogs/InviteDialog.tsx

@@ -1494,7 +1494,7 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
 
         let dialogContent;
         if (this.props.kind === InviteKind.CallTransfer) {
-            const tabs: NonEmptyArray<Tab> = [
+            const tabs: NonEmptyArray<Tab<TabId>> = [
                 new Tab(TabId.UserDirectory, _td("User Directory"), "mx_InviteDialog_userDirectoryIcon", usersSection),
             ];
 

src/components/views/dialogs/RoomSettingsDialog.tsx

@@ -40,14 +40,16 @@ import { NonEmptyArray } from "../../../@types/common";
 import { PollHistoryTab } from "../settings/tabs/room/PollHistoryTab";
 import ErrorBoundary from "../elements/ErrorBoundary";
 
-export const ROOM_GENERAL_TAB = "ROOM_GENERAL_TAB";
-export const ROOM_VOIP_TAB = "ROOM_VOIP_TAB";
-export const ROOM_SECURITY_TAB = "ROOM_SECURITY_TAB";
-export const ROOM_ROLES_TAB = "ROOM_ROLES_TAB";
-export const ROOM_NOTIFICATIONS_TAB = "ROOM_NOTIFICATIONS_TAB";
-export const ROOM_BRIDGES_TAB = "ROOM_BRIDGES_TAB";
-export const ROOM_ADVANCED_TAB = "ROOM_ADVANCED_TAB";
-export const ROOM_POLL_HISTORY_TAB = "ROOM_POLL_HISTORY_TAB";
+export const enum RoomSettingsTab {
+    General = "ROOM_GENERAL_TAB",
+    Voip = "ROOM_VOIP_TAB",
+    Security = "ROOM_SECURITY_TAB",
+    Roles = "ROOM_ROLES_TAB",
+    Notifications = "ROOM_NOTIFICATIONS_TAB",
+    Bridges = "ROOM_BRIDGES_TAB",
+    Advanced = "ROOM_ADVANCED_TAB",
+    PollHistory = "ROOM_POLL_HISTORY_TAB",
+}
 
 interface IProps {
     roomId: string;
@@ -118,12 +120,12 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         this.forceUpdate();
     };
 
-    private getTabs(): NonEmptyArray<Tab> {
-        const tabs: Tab[] = [];
+    private getTabs(): NonEmptyArray<Tab<RoomSettingsTab>> {
+        const tabs: Tab<RoomSettingsTab>[] = [];
 
         tabs.push(
             new Tab(
-                ROOM_GENERAL_TAB,
+                RoomSettingsTab.General,
                 _td("General"),
                 "mx_RoomSettingsDialog_settingsIcon",
                 <GeneralRoomSettingsTab room={this.state.room} />,
@@ -133,7 +135,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         if (SettingsStore.getValue("feature_group_calls")) {
             tabs.push(
                 new Tab(
-                    ROOM_VOIP_TAB,
+                    RoomSettingsTab.Voip,
                     _td("Voice & Video"),
                     "mx_RoomSettingsDialog_voiceIcon",
                     <VoipRoomSettingsTab room={this.state.room} />,
@@ -142,7 +144,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         }
         tabs.push(
             new Tab(
-                ROOM_SECURITY_TAB,
+                RoomSettingsTab.Security,
                 _td("Security & Privacy"),
                 "mx_RoomSettingsDialog_securityIcon",
                 <SecurityRoomSettingsTab room={this.state.room} closeSettingsFn={() => this.props.onFinished(true)} />,
@@ -151,7 +153,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         );
         tabs.push(
             new Tab(
-                ROOM_ROLES_TAB,
+                RoomSettingsTab.Roles,
                 _td("Roles & Permissions"),
                 "mx_RoomSettingsDialog_rolesIcon",
                 <RolesRoomSettingsTab room={this.state.room} />,
@@ -160,7 +162,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         );
         tabs.push(
             new Tab(
-                ROOM_NOTIFICATIONS_TAB,
+                RoomSettingsTab.Notifications,
                 _td("Notifications"),
                 "mx_RoomSettingsDialog_notificationsIcon",
                 (
@@ -176,7 +178,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         if (SettingsStore.getValue("feature_bridge_state")) {
             tabs.push(
                 new Tab(
-                    ROOM_BRIDGES_TAB,
+                    RoomSettingsTab.Bridges,
                     _td("Bridges"),
                     "mx_RoomSettingsDialog_bridgesIcon",
                     <BridgeSettingsTab room={this.state.room} />,
@@ -187,7 +189,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
 
         tabs.push(
             new Tab(
-                ROOM_POLL_HISTORY_TAB,
+                RoomSettingsTab.PollHistory,
                 _td("Poll history"),
                 "mx_RoomSettingsDialog_pollsIcon",
                 <PollHistoryTab room={this.state.room} onFinished={() => this.props.onFinished(true)} />,
@@ -197,7 +199,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
         if (SettingsStore.getValue(UIFeature.AdvancedSettings)) {
             tabs.push(
                 new Tab(
-                    ROOM_ADVANCED_TAB,
+                    RoomSettingsTab.Advanced,
                     _td("Advanced"),
                     "mx_RoomSettingsDialog_warningIcon",
                     (
@@ -211,7 +213,7 @@ class RoomSettingsDialog extends React.Component<IProps, IState> {
             );
         }
 
-        return tabs as NonEmptyArray<Tab>;
+        return tabs as NonEmptyArray<Tab<RoomSettingsTab>>;
     }
 
     public render(): React.ReactNode {

src/components/views/dialogs/SpacePreferencesDialog.tsx

@@ -70,7 +70,7 @@ const SpacePreferencesAppearanceTab: React.FC<Pick<IProps, "space">> = ({ space
 };
 
 const SpacePreferencesDialog: React.FC<IProps> = ({ space, initialTabId, onFinished }) => {
-    const tabs: NonEmptyArray<Tab> = [
+    const tabs: NonEmptyArray<Tab<SpacePreferenceTab>> = [
         new Tab(
             SpacePreferenceTab.Appearance,
             _td("Appearance"),

src/components/views/dialogs/SpaceSettingsDialog.tsx

@@ -80,7 +80,7 @@ const SpaceSettingsDialog: React.FC<IProps> = ({ matrixClient: cli, space, onFin
                       <AdvancedRoomSettingsTab room={space} closeSettingsFn={onFinished} />,
                   )
                 : null,
-        ].filter(Boolean) as NonEmptyArray<Tab>;
+        ].filter(Boolean) as NonEmptyArray<Tab<SpaceSettingsTab>>;
     }, [cli, space, onFinished]);
 
     return (

src/components/views/dialogs/UserSettingsDialog.tsx

@@ -81,8 +81,8 @@ export default class UserSettingsDialog extends React.Component<IProps, IState>
         this.setState({ newSessionManagerEnabled: newValue });
     };
 
-    private getTabs(): NonEmptyArray<Tab> {
-        const tabs: Tab[] = [];
+    private getTabs(): NonEmptyArray<Tab<UserTab>> {
+        const tabs: Tab<UserTab>[] = [];
 
         tabs.push(
             new Tab(
@@ -208,7 +208,7 @@ export default class UserSettingsDialog extends React.Component<IProps, IState>
             ),
         );
 
-        return tabs as NonEmptyArray<Tab>;
+        return tabs as NonEmptyArray<Tab<UserTab>>;
     }
 
     public render(): React.ReactNode {

src/components/views/elements/DesktopCapturerSourcePicker.tsx

@@ -85,6 +85,8 @@ export interface PickerIProps {
     onFinished(sourceId?: string): void;
 }
 
+type TabId = "screen" | "window";
+
 export default class DesktopCapturerSourcePicker extends React.Component<PickerIProps, PickerIState> {
     public interval: number;
 
@@ -134,7 +136,7 @@ export default class DesktopCapturerSourcePicker extends React.Component<PickerI
         this.props.onFinished();
     };
 
-    private getTab(type: "screen" | "window", label: string): Tab {
+    private getTab(type: TabId, label: string): Tab<TabId> {
         const sources = this.state.sources
             .filter((source) => source.id.startsWith(type))
             .map((source) => {
@@ -152,7 +154,7 @@ export default class DesktopCapturerSourcePicker extends React.Component<PickerI
     }
 
     public render(): React.ReactNode {
-        const tabs: NonEmptyArray<Tab> = [
+        const tabs: NonEmptyArray<Tab<TabId>> = [
             this.getTab("screen", _t("Share entire screen")),
             this.getTab("window", _t("Application window")),
         ];

src/components/views/rooms/NewRoomIntro.tsx

@@ -33,7 +33,7 @@ import { Action } from "../../../dispatcher/actions";
 import SpaceStore from "../../../stores/spaces/SpaceStore";
 import { showSpaceInvite } from "../../../utils/space";
 import EventTileBubble from "../messages/EventTileBubble";
-import { ROOM_SECURITY_TAB } from "../dialogs/RoomSettingsDialog";
+import { RoomSettingsTab } from "../dialogs/RoomSettingsDialog";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { shouldShowComponent } from "../../../customisations/helpers/UIComponents";
 import { UIComponent } from "../../../settings/UIFeature";
@@ -268,7 +268,7 @@ const NewRoomIntro: React.FC = () => {
         event.preventDefault();
         defaultDispatcher.dispatch({
             action: "open_room_settings",
-            initial_tab_id: ROOM_SECURITY_TAB,
+            initial_tab_id: RoomSettingsTab.Security,
         });
     }
 

src/components/views/settings/JoinRuleSettings.tsx

@@ -31,7 +31,7 @@ import { upgradeRoom } from "../../../utils/RoomUpgrade";
 import { arrayHasDiff } from "../../../utils/arrays";
 import { useLocalEcho } from "../../../hooks/useLocalEcho";
 import dis from "../../../dispatcher/dispatcher";
-import { ROOM_SECURITY_TAB } from "../dialogs/RoomSettingsDialog";
+import { RoomSettingsTab } from "../dialogs/RoomSettingsDialog";
 import { Action } from "../../../dispatcher/actions";
 import { ViewRoomPayload } from "../../../dispatcher/payloads/ViewRoomPayload";
 import { doesRoomVersionSupport, PreferredRoomVersions } from "../../../utils/PreferredRoomVersions";
@@ -320,7 +320,7 @@ const JoinRuleSettings: React.FC<IProps> = ({
                         // open new settings on this tab
                         dis.dispatch({
                             action: "open_room_settings",
-                            initial_tab_id: ROOM_SECURITY_TAB,
+                            initial_tab_id: RoomSettingsTab.Security,
                         });
                     },
                 });

test/components/structures/TabbedView-test.tsx

@@ -26,11 +26,11 @@ describe("<TabbedView />", () => {
     const securityTab = new Tab("SECURITY", "Security", "security", <div>security</div>);
     const defaultProps = {
         tabLocation: TabLocation.LEFT,
-        tabs: [generalTab, labsTab, securityTab] as NonEmptyArray<Tab>,
+        tabs: [generalTab, labsTab, securityTab] as NonEmptyArray<Tab<any>>,
     };
     const getComponent = (props = {}): React.ReactElement => <TabbedView {...defaultProps} {...props} />;
 
-    const getTabTestId = (tab: Tab): string => `settings-tab-${tab.id}`;
+    const getTabTestId = (tab: Tab<string>): string => `settings-tab-${tab.id}`;
     const getActiveTab = (container: HTMLElement): Element | undefined =>
         container.getElementsByClassName("mx_TabbedView_tabLabel_active")[0];
     const getActiveTabBody = (container: HTMLElement): Element | undefined =>