Migrate to stylistic

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

.eslintrc.js

@@ -198,6 +198,8 @@ module.exports = {
                 "@typescript-eslint/ban-ts-comment": "off",
                 // We're okay with assertion errors when we ask for them
                 "@typescript-eslint/no-non-null-assertion": "off",
+                // We do this sometimes to brand interfaces
+                "@typescript-eslint/no-empty-object-type": "off",
             },
         },
         // temporary override for offending icon require files

package.json

@@ -186,6 +186,7 @@
         "@playwright/test": "^1.40.1",
         "@principalstudio/html-webpack-inject-preload": "^1.2.7",
         "@sentry/webpack-plugin": "^2.7.1",
+        "@stylistic/eslint-plugin": "^2.9.0",
         "@svgr/webpack": "^8.0.0",
         "@testing-library/dom": "^9.0.0",
         "@testing-library/jest-dom": "^6.0.0",
@@ -246,7 +247,7 @@
         "eslint-plugin-import": "^2.25.4",
         "eslint-plugin-jest": "^28.0.0",
         "eslint-plugin-jsx-a11y": "^6.5.1",
-        "eslint-plugin-matrix-org": "1.2.1",
+        "eslint-plugin-matrix-org": "^2.0.2",
         "eslint-plugin-react": "^7.28.0",
         "eslint-plugin-react-hooks": "^4.3.0",
         "eslint-plugin-unicorn": "^56.0.0",

playwright/e2e/read-receipts/index.ts

@@ -69,7 +69,7 @@ export class MessageBuilder {
     /**
      * Map of message content -> event.
      */
-    messages = new Map<String, Promise<JSHandle<MatrixEvent>>>();
+    messages = new Map<string, Promise<JSHandle<MatrixEvent>>>();
 
     /**
      * Utility to find a MatrixEvent by its body content

playwright/e2e/spaces/threads-activity-centre/index.ts

@@ -70,7 +70,7 @@ export class MessageBuilder {
     /**
      * Map of message content -> event.
      */
-    messages = new Map<String, Promise<JSHandle<MatrixEvent>>>();
+    messages = new Map<string, Promise<JSHandle<MatrixEvent>>>();
 
     /**
      * Utility to find a MatrixEvent by its body content

src/@types/common.ts

@@ -35,6 +35,7 @@ export type Defaultize<P, D> = P extends any
               Partial<Pick<D, Exclude<keyof D, keyof P>>>
     : never;
 
+/* eslint-disable @typescript-eslint/no-unsafe-function-type */
 export type DeepReadonly<T> = T extends (infer R)[]
     ? DeepReadonlyArray<R>
     : T extends Function
@@ -42,6 +43,7 @@ export type DeepReadonly<T> = T extends (infer R)[]
       : T extends object
         ? DeepReadonlyObject<T>
         : T;
+/* eslint-enable @typescript-eslint/no-unsafe-function-type */
 
 interface DeepReadonlyArray<T> extends ReadonlyArray<DeepReadonly<T>> {}
 

src/BasePlatform.ts

@@ -129,7 +129,7 @@ export default abstract class BasePlatform {
         try {
             const [version, deferUntil] = JSON.parse(localStorage.getItem(UPDATE_DEFER_KEY)!);
             return newVersion !== version || Date.now() > deferUntil;
-        } catch (e) {
+        } catch {
             return true;
         }
     }
@@ -380,7 +380,7 @@ export default abstract class BasePlatform {
 
         try {
             await idbSave("pickleKey", [userId, deviceId], data);
-        } catch (e) {
+        } catch {
             return null;
         }
         return encodeUnpaddedBase64(randomArray);

src/DraftCleaner.ts

@@ -48,7 +48,7 @@ function shouldCleanupDrafts(): boolean {
             return true;
         }
         return Date.now() > parsedTimestamp + DRAFT_CLEANUP_PERIOD;
-    } catch (error) {
+    } catch {
         return true;
     }
 }

src/HtmlUtils.tsx

@@ -52,7 +52,7 @@ export const EMOJI_REGEX = (() => {
         // want the app to completely crash on older platforms. We use the
         // constructor here to avoid a syntax error on such platforms.
         return new RegExp("\\p{RGI_Emoji}(?!\\uFE0E)(?:(?<!\\uFE0F)\\uFE0F)?|[\\u{1f1e6}-\\u{1f1ff}]", "v");
-    } catch (_e) {
+    } catch {
         // v mode not supported; fall back to matching nothing
         return /(?!)/;
     }
@@ -61,7 +61,7 @@ export const EMOJI_REGEX = (() => {
 const BIGEMOJI_REGEX = (() => {
     try {
         return new RegExp(`^(${EMOJI_REGEX.source})+$`, "iv");
-    } catch (_e) {
+    } catch {
         // Fall back, just like for EMOJI_REGEX
         return /(?!)/;
     }
@@ -120,7 +120,7 @@ export function isUrlPermitted(inputUrl: string): boolean {
     try {
         // URL parser protocol includes the trailing colon
         return PERMITTED_URL_SCHEMES.includes(new URL(inputUrl).protocol.slice(0, -1));
-    } catch (e) {
+    } catch {
         return false;
     }
 }

src/LegacyCallHandler.tsx

@@ -827,7 +827,7 @@ export default class LegacyCallHandler extends EventEmitter {
 
         try {
             this.addCallForRoom(roomId, call);
-        } catch (e) {
+        } catch {
             Modal.createDialog(ErrorDialog, {
                 title: _t("voip|already_in_call"),
                 description: _t("voip|already_in_call_person"),

src/MatrixClientPeg.ts

@@ -211,7 +211,7 @@ class MatrixClientPegClass implements IMatrixClientPeg {
             const registrationTime = parseInt(window.localStorage.getItem("mx_registration_time")!, 10);
             const diff = Date.now() - registrationTime;
             return diff / 36e5 <= hours;
-        } catch (e) {
+        } catch {
             return false;
         }
     }
@@ -220,7 +220,7 @@ class MatrixClientPegClass implements IMatrixClientPeg {
         try {
             const registrationTime = parseInt(window.localStorage.getItem("mx_registration_time")!, 10);
             return timestamp.getTime() <= registrationTime;
-        } catch (e) {
+        } catch {
             return false;
         }
     }

src/PosthogAnalytics.ts

@@ -236,7 +236,7 @@ export class PosthogAnalytics {
         let appVersion: string | undefined;
         try {
             appVersion = await platform?.getAppVersion();
-        } catch (e) {
+        } catch {
             // this happens if no version is set i.e. in dev
             appVersion = "unknown";
         }

src/Presence.ts

@@ -36,7 +36,7 @@ class Presence {
             try {
                 await this.unavailableTimer.finished();
                 this.setState(SetPresence.Unavailable);
-            } catch (e) {
+            } catch {
                 /* aborted, stop got called */
             }
         }

src/RoomNotifs.ts

@@ -44,7 +44,7 @@ export function getRoomNotifsState(client: MatrixClient, roomId: string): RoomNo
     let roomRule: IPushRule | undefined;
     try {
         roomRule = client.getRoomPushRule("global", roomId);
-    } catch (err) {
+    } catch {
         // Possible that the client doesn't have pushRules yet. If so, it
         // hasn't started either, so indicate that this room is not notifying.
         return null;

src/ScalarMessaging.ts

@@ -855,14 +855,14 @@ const onMessage = function (event: MessageEvent<any>): void {
     try {
         if (!openManagerUrl) openManagerUrl = IntegrationManagers.sharedInstance().getPrimaryManager()?.uiUrl;
         configUrl = new URL(openManagerUrl!);
-    } catch (e) {
+    } catch {
         // No integrations UI URL, ignore silently.
         return;
     }
     let eventOriginUrl: URL;
     try {
         eventOriginUrl = new URL(event.origin);
-    } catch (e) {
+    } catch {
         return;
     }
     // TODO -- Scalar postMessage API should be namespaced with event.data.api field

src/SdkConfig.ts

@@ -42,6 +42,7 @@ export const DEFAULTS: DeepReadonly<IConfigOptions> = {
     // be preferred over their config.
     desktopBuilds: {
         available: true,
+        // eslint-disable-next-line @typescript-eslint/no-require-imports
         logo: require("../res/img/element-desktop-logo.svg").default,
         url: "https://element.io/get-started",
     },

src/SlidingSyncManager.ts

@@ -252,7 +252,7 @@ export class SlidingSyncManager {
         try {
             // wait until the next sync before returning as RoomView may need to know the current state
             await p;
-        } catch (err) {
+        } catch {
             logger.warn("SlidingSync setRoomVisible:", roomId, visible, "failed to confirm transaction");
         }
         return roomId;
@@ -305,7 +305,7 @@ export class SlidingSyncManager {
                 } else {
                     await this.slidingSync!.setListRanges(SlidingSyncManager.ListSearch, ranges);
                 }
-            } catch (err) {
+            } catch {
                 // do nothing, as we reject only when we get interrupted but that's fine as the next
                 // request will include our data
             } finally {
@@ -357,7 +357,7 @@ export class SlidingSyncManager {
             }
             const clientWellKnown = await AutoDiscovery.findClientConfig(clientDomain);
             proxyUrl = clientWellKnown?.["org.matrix.msc3575.proxy"]?.url;
-        } catch (e) {
+        } catch {
             // Either client.getDomain() is null so we've shorted out, or is invalid so `AutoDiscovery.findClientConfig` has thrown
         }
 

src/UserActivity.ts

@@ -213,7 +213,7 @@ export default class UserActivity {
         attachedTimers.forEach((t) => t.start());
         try {
             await timeout.finished();
-        } catch (_e) {
+        } catch {
             /* aborted */
         }
         attachedTimers.forEach((t) => t.abort());

src/components/structures/FileDropTarget.tsx

@@ -9,6 +9,7 @@ Please see LICENSE files in the repository root for full details.
 import React, { useEffect, useState } from "react";
 
 import { _t } from "../../languageHandler";
+import UploadBigSvg from "../../../res/img/upload-big.svg";
 
 interface IProps {
     parent: HTMLElement | null;
@@ -106,11 +107,7 @@ const FileDropTarget: React.FC<IProps> = ({ parent, onFileDrop }) => {
     if (state.dragging) {
         return (
             <div className="mx_FileDropTarget">
-                <img
-                    src={require("../../../res/img/upload-big.svg").default}
-                    className="mx_FileDropTarget_image"
-                    alt=""
-                />
+                <img src={UploadBigSvg} className="mx_FileDropTarget_image" alt="" />
                 {_t("room|drop_file_prompt")}
             </div>
         );

src/components/structures/LegacyCallEventGrouper.ts

@@ -161,9 +161,11 @@ export default class LegacyCallEventGrouper extends EventEmitter {
 
     public toggleSilenced = (): void => {
         const silenced = LegacyCallHandler.instance.isCallSilenced(this.callId);
-        silenced
-            ? LegacyCallHandler.instance.unSilenceCall(this.callId)
-            : LegacyCallHandler.instance.silenceCall(this.callId);
+        if (silenced) {
+            LegacyCallHandler.instance.unSilenceCall(this.callId);
+        } else {
+            LegacyCallHandler.instance.silenceCall(this.callId);
+        }
     };
 
     private setCallListeners(): void {

src/components/structures/MatrixChat.tsx

@@ -982,7 +982,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             try {
                 const config = await AutoDiscoveryUtils.validateServerConfigWithStaticUrls(params.hs_url);
                 newState.serverConfig = config;
-            } catch (err) {
+            } catch {
                 logger.warn("Failed to load hs_url param:", params.hs_url);
             }
         } else if (params.client_secret && params.session_id && params.hs_url && params.is_url && params.sid) {

src/components/structures/SpaceHierarchy.tsx

@@ -691,7 +691,7 @@ const ManageButtons: React.FC<IManageButtonsProps> = ({ hierarchy, selected, set
 
                             hierarchy.removeRelation(parentId, childId);
                         }
-                    } catch (e) {
+                    } catch {
                         setError(_t("space|failed_remove_rooms"));
                     }
                     setRemoving(false);
@@ -724,7 +724,7 @@ const ManageButtons: React.FC<IManageButtonsProps> = ({ hierarchy, selected, set
                             // mutate the local state to save us having to refetch the world
                             existingContent.suggested = content.suggested;
                         }
-                    } catch (e) {
+                    } catch {
                         setError("Failed to update some suggestions. Try again later");
                     }
                     setSaving(false);

src/components/structures/TimelinePanel.tsx

@@ -973,7 +973,7 @@ class TimelinePanel extends React.Component<IProps, IState> {
             UserActivity.sharedInstance().timeWhileActiveRecently(this.readMarkerActivityTimer);
             try {
                 await this.readMarkerActivityTimer.finished();
-            } catch (e) {
+            } catch {
                 continue; /* aborted */
             }
             // outside of try/catch to not swallow errors
@@ -988,7 +988,7 @@ class TimelinePanel extends React.Component<IProps, IState> {
             UserActivity.sharedInstance().timeWhileActiveNow(this.readReceiptActivityTimer);
             try {
                 await this.readReceiptActivityTimer.finished();
-            } catch (e) {
+            } catch {
                 continue; /* aborted */
             }
             // outside of try/catch to not swallow errors

src/components/structures/UserMenu.tsx

@@ -44,6 +44,7 @@ import { Icon as LiveIcon } from "../../../res/img/compound/live-8px.svg";
 import { VoiceBroadcastRecording, VoiceBroadcastRecordingsStoreEvent } from "../../voice-broadcast";
 import { SDKContext } from "../../contexts/SDKContext";
 import { shouldShowFeedback } from "../../utils/Feedback";
+import DarkLightModeSvg from "../../../res/img/element-icons/roomlist/dark-light-mode.svg";
 
 interface IProps {
     isPanelCollapsed: boolean;
@@ -414,12 +415,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
                                 : _t("user_menu|switch_theme_dark")
                         }
                     >
-                        <img
-                            src={require("../../../res/img/element-icons/roomlist/dark-light-mode.svg").default}
-                            role="presentation"
-                            alt=""
-                            width={16}
-                        />
+                        <img src={DarkLightModeSvg} role="presentation" alt="" width={16} />
                     </RovingAccessibleButton>
                 </div>
                 {topSection}

src/components/structures/auth/ForgotPassword.tsx

@@ -274,7 +274,7 @@ export default class ForgotPassword extends React.Component<Props, State> {
                 await this.reset.setNewPassword(this.state.password);
                 this.setState({ phase: Phase.Done });
                 modal.close();
-            } catch (e) {
+            } catch {
                 // Email not confirmed, yet. Retry after a while.
                 await sleep(emailCheckInterval);
             }

src/components/structures/static-page-vars.ts

@@ -7,7 +7,7 @@ Please see LICENSE files in the repository root for full details.
 */
 
 // We're importing via require specifically so the svg becomes a URI rather than a DOM element.
-// eslint-disable-next-line @typescript-eslint/no-var-requires
+// eslint-disable-next-line @typescript-eslint/no-require-imports
 const matrixSvg = require("../../../res/img/matrix.svg").default;
 
 /**

src/components/views/avatars/WidgetAvatar.tsx

@@ -20,6 +20,7 @@ interface IProps extends Omit<ComponentProps<BaseAvatarType>, "name" | "url" | "
 }
 
 const WidgetAvatar: React.FC<IProps> = ({ app, className, size = "20px", ...props }) => {
+    /* eslint-disable @typescript-eslint/no-require-imports */
     let iconUrls = [require("../../../../res/img/element-icons/room/default_app.svg").default];
     // heuristics for some better icons until Widgets support their own icons
     if (app.type.includes("jitsi")) {
@@ -31,6 +32,7 @@ const WidgetAvatar: React.FC<IProps> = ({ app, className, size = "20px", ...prop
     } else if (app.type.includes("clock")) {
         iconUrls = [require("../../../../res/img/element-icons/room/default_clock.svg").default];
     }
+    /* eslint-enable @typescript-eslint/no-require-imports */
 
     return (
         <BaseAvatar

src/components/views/dialogs/AddExistingToSpaceDialog.tsx

@@ -34,6 +34,7 @@ import LazyRenderList from "../elements/LazyRenderList";
 import { useSettingValue } from "../../../hooks/useSettings";
 import { filterBoolean } from "../../../utils/arrays";
 import { NonEmptyArray } from "../../../@types/common";
+import WarningBadgeSvg from "../../../../res/img/element-icons/warning-badge.svg";
 
 // These values match CSS
 const ROW_HEIGHT = 32 + 12;
@@ -228,12 +229,7 @@ export const AddExistingToSpace: React.FC<IAddExistingToSpaceProps> = ({
     if (error) {
         footer = (
             <>
-                <img
-                    src={require("../../../../res/img/element-icons/warning-badge.svg").default}
-                    height="24"
-                    width="24"
-                    alt=""
-                />
+                <img src={WarningBadgeSvg} height="24" width="24" alt="" />
 
                 <span className="mx_AddExistingToSpaceDialog_error">
                     <div className="mx_AddExistingToSpaceDialog_errorHeading">

src/components/views/dialogs/ForwardDialog.tsx

@@ -23,6 +23,8 @@ import {
     TimelineEvents,
 } from "matrix-js-sdk/src/matrix";
 import { KnownMembership } from "matrix-js-sdk/src/types";
+// eslint-disable-next-line no-restricted-imports
+import OverflowHorizontalSvg from "@vector-im/compound-design-tokens/icons/overflow-horizontal.svg";
 
 import { _t } from "../../../languageHandler";
 import dis from "../../../dispatcher/dispatcher";
@@ -104,7 +106,7 @@ const Entry: React.FC<IEntryProps<any>> = ({ room, type, content, matrixClient:
         try {
             await cli.sendEvent(room.roomId, type, content);
             setSendState(SendState.Sent);
-        } catch (e) {
+        } catch {
             setSendState(SendState.Failed);
         }
     };
@@ -278,13 +280,7 @@ const ForwardDialog: React.FC<IProps> = ({ matrixClient: cli, event, permalinkCr
         return (
             <EntityTile
                 className="mx_EntityTile_ellipsis"
-                avatarJsx={
-                    <BaseAvatar
-                        url={require("@vector-im/compound-design-tokens/icons/overflow-horizontal.svg").default}
-                        name="..."
-                        size="36px"
-                    />
-                }
+                avatarJsx={<BaseAvatar url={OverflowHorizontalSvg} name="..." size="36px" />}
                 name={text}
                 showPresence={false}
                 onClick={() => setTruncateAt(totalCount)}

src/components/views/dialogs/ModalWidgetDialog.tsx

@@ -33,6 +33,7 @@ import { arrayFastClone } from "../../../utils/arrays";
 import { ElementWidget } from "../../../stores/widgets/StopGapWidget";
 import { ELEMENT_CLIENT_ID } from "../../../identifiers";
 import SettingsStore from "../../../settings/SettingsStore";
+import WarningBadgeSvg from "../../../../res/img/element-icons/warning-badge.svg";
 
 interface IProps {
     widgetDefinition: IModalWidgetOpenRequestData;
@@ -185,12 +186,7 @@ export default class ModalWidgetDialog extends React.PureComponent<IProps, IStat
                 onFinished={this.props.onFinished}
             >
                 <div className="mx_ModalWidgetDialog_warning">
-                    <img
-                        src={require("../../../../res/img/element-icons/warning-badge.svg").default}
-                        height="16"
-                        width="16"
-                        alt=""
-                    />
+                    <img src={WarningBadgeSvg} height="16" width="16" alt="" />
                     {_t("widget|modal_data_warning", {
                         widgetDomain: parsed.hostname,
                     })}

src/components/views/dialogs/ShareDialog.tsx

@@ -21,11 +21,12 @@ import BaseDialog from "./BaseDialog";
 import CopyableText from "../elements/CopyableText";
 import { XOR } from "../../../@types/common";
 
+/* eslint-disable @typescript-eslint/no-require-imports */
 const socials = [
     {
         name: "Facebook",
         img: require("../../../../res/img/social/facebook.png"),
-        url: (url: String) => `https://www.facebook.com/sharer/sharer.php?u=${url}`,
+        url: (url: string) => `https://www.facebook.com/sharer/sharer.php?u=${url}`,
     },
     {
         name: "Twitter",
@@ -52,6 +53,7 @@ const socials = [
         url: (url: string) => `mailto:?body=${url}`,
     },
 ];
+/* eslint-enable @typescript-eslint/no-require-imports */
 
 interface BaseProps {
     /**

src/components/views/dialogs/security/AccessSecretStorageDialog.tsx

@@ -107,7 +107,7 @@ export default class AccessSecretStorageDialog extends React.PureComponent<IProp
                 recoveryKeyValid: true,
                 recoveryKeyCorrect: correct,
             });
-        } catch (e) {
+        } catch {
             this.setState({
                 recoveryKeyValid: false,
                 recoveryKeyCorrect: false,

src/components/views/dialogs/security/RestoreKeyBackupDialog.tsx

@@ -127,7 +127,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
         try {
             decodeRecoveryKey(recoveryKey);
             return true;
-        } catch (e) {
+        } catch {
             return false;
         }
     }

src/components/views/dialogs/security/SetupEncryptionDialog.tsx

@@ -15,8 +15,10 @@ import { SetupEncryptionStore, Phase } from "../../../../stores/SetupEncryptionS
 
 function iconFromPhase(phase?: Phase): string {
     if (phase === Phase.Done) {
+        // eslint-disable-next-line @typescript-eslint/no-require-imports
         return require("../../../../../res/img/e2e/verified-deprecated.svg").default;
     } else {
+        // eslint-disable-next-line @typescript-eslint/no-require-imports
         return require("../../../../../res/img/e2e/warning-deprecated.svg").default;
     }
 }

src/components/views/elements/AppWarning.tsx

@@ -8,6 +8,8 @@ Please see LICENSE files in the repository root for full details.
 
 import React from "react";
 
+import WarningSvg from "../../../../res/img/warning.svg";
+
 interface IProps {
     errorMsg?: string;
 }
@@ -16,7 +18,7 @@ const AppWarning: React.FC<IProps> = (props) => {
     return (
         <div className="mx_AppWarning">
             <div>
-                <img src={require("../../../../res/img/warning.svg").default} alt="" />
+                <img src={WarningSvg} alt="" />
             </div>
             <div>
                 <span>{props.errorMsg || "Error"}</span>

src/components/views/elements/ReplyChain.tsx

@@ -140,7 +140,7 @@ export default class ReplyChain extends React.Component<IProps, IState> {
             const inReplyToEventId = getParentEventId(ev);
             if (!inReplyToEventId) return null;
             return await this.getEvent(inReplyToEventId);
-        } catch (e) {
+        } catch {
             return null;
         }
     }
@@ -154,7 +154,7 @@ export default class ReplyChain extends React.Component<IProps, IState> {
             // ask the client to fetch the event we want using the context API, only interface to do so is to ask
             // for a timeline with that event, but once it is loaded we can use findEventById to look up the ev map
             await this.matrixClient.getEventTimeline(this.room.getUnfilteredTimelineSet(), eventId);
-        } catch (e) {
+        } catch {
             // if it fails catch the error and return early, there's no point trying to find the event in this case.
             // Return null as it is falsy and thus should be treated as an error (as the event cannot be resolved).
             return null;

src/components/views/elements/SSOButtons.tsx

@@ -33,6 +33,7 @@ interface ISSOButtonProps extends IProps {
 
 const getIcon = (brand: IdentityProviderBrand | string): string | null => {
     switch (brand) {
+        /* eslint-disable @typescript-eslint/no-require-imports */
         case IdentityProviderBrand.Apple:
             return require(`../../../../res/img/element-icons/brands/apple.svg`).default;
         case IdentityProviderBrand.Facebook:
@@ -47,6 +48,7 @@ const getIcon = (brand: IdentityProviderBrand | string): string | null => {
             return require(`../../../../res/img/element-icons/brands/twitter.svg`).default;
         default:
             return null;
+        /* eslint-enable @typescript-eslint/no-require-imports */
     }
 };
 

src/components/views/location/Map.tsx

@@ -66,8 +66,8 @@ const useMapWithStyle = ({
                     throw new Error("Invalid geo URI");
                 }
                 map.setCenter({ lon: coords.longitude, lat: coords.latitude });
-            } catch (_error) {
-                logger.error("Could not set map center");
+            } catch (e) {
+                logger.error("Could not set map center", e);
             }
         }
     }, [map, centerGeoUri]);
@@ -80,8 +80,8 @@ const useMapWithStyle = ({
                     [bounds.east, bounds.north],
                 );
                 map.fitBounds(lngLatBounds, { padding: 100, maxZoom: 15 });
-            } catch (_error) {
-                logger.error("Invalid map bounds");
+            } catch (e) {
+                logger.error("Invalid map bounds", e);
             }
         }
     }, [map, bounds]);
@@ -170,7 +170,7 @@ const MapComponent: React.FC<MapProps> = ({
             return;
         }
 
-        onClick && onClick();
+        onClick?.();
     };
 
     return (

src/components/views/messages/LegacyCallEvent.tsx

@@ -55,7 +55,7 @@ export default class LegacyCallEvent extends React.PureComponent<IProps, IState>
         this.props.callEventGrouper.addListener(LegacyCallEventGrouperEvent.LengthChanged, this.onLengthChanged);
 
         this.resizeObserver = new ResizeObserver(this.resizeObserverCallback);
-        this.wrapperElement.current && this.resizeObserver.observe(this.wrapperElement.current);
+        if (this.wrapperElement.current) this.resizeObserver.observe(this.wrapperElement.current);
     }
 
     public componentWillUnmount(): void {

src/components/views/messages/MFileBody.tsx

@@ -27,7 +27,7 @@ export let DOWNLOAD_ICON_URL: string; // cached copy of the download.svg asset f
 
 async function cacheDownloadIcon(): Promise<void> {
     if (DOWNLOAD_ICON_URL) return; // cached already
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     const svg = await fetch(require("@vector-im/compound-design-tokens/icons/download.svg").default).then((r) =>
         r.text(),
     );

src/components/views/messages/MStickerBody.tsx

@@ -11,6 +11,7 @@ import { MediaEventContent } from "matrix-js-sdk/src/types";
 
 import MImageBody from "./MImageBody";
 import { BLURHASH_FIELD } from "../../../utils/image-media";
+import IconsShowStickersSvg from "../../../../res/img/icons-show-stickers.svg";
 
 export default class MStickerBody extends MImageBody {
     // Mostly empty to prevent default behaviour of MImageBody
@@ -44,7 +45,7 @@ export default class MStickerBody extends MImageBody {
                 aria-hidden
                 alt=""
                 className="mx_MStickerBody_placeholder"
-                src={require("../../../../res/img/icons-show-stickers.svg").default}
+                src={IconsShowStickersSvg}
                 width="80"
                 height="80"
                 onMouseEnter={this.onImageEnter}

src/components/views/right_panel/EncryptionPanel.tsx

@@ -21,6 +21,8 @@ import { RightPanelPhases } from "../../../stores/right-panel/RightPanelStorePha
 import RightPanelStore from "../../../stores/right-panel/RightPanelStore";
 import ErrorDialog from "../dialogs/ErrorDialog";
 import { useMatrixClientContext } from "../../../contexts/MatrixClientContext";
+import WarningDeprecatedSvg from "../../../../res/img/e2e/warning-deprecated.svg";
+import WarningSvg from "../../../../res/img/e2e/warning.svg";
 
 // cancellation codes which constitute a key mismatch
 const MISMATCHES = ["m.key_mismatch", "m.user_error", "m.mismatched_sas"];
@@ -79,7 +81,7 @@ const EncryptionPanel: React.FC<IProps> = (props: IProps) => {
         ) {
             isShowingMismatchModal.current = true;
             Modal.createDialog(ErrorDialog, {
-                headerImage: require("../../../../res/img/e2e/warning-deprecated.svg").default,
+                headerImage: WarningDeprecatedSvg,
                 title: _t("encryption|messages_not_secure|title"),
                 description: (
                     <div>
@@ -118,7 +120,7 @@ const EncryptionPanel: React.FC<IProps> = (props: IProps) => {
             setRequesting(false);
 
             Modal.createDialog(ErrorDialog, {
-                headerImage: require("../../../../res/img/e2e/warning.svg").default,
+                headerImage: WarningSvg,
                 title: _t("encryption|verification|error_starting_title"),
                 description: _t("encryption|verification|error_starting_description"),
             });

src/components/views/right_panel/UserInfo.tsx

@@ -1356,7 +1356,7 @@ export const useDevices = (userId: string): IDevice[] | undefined | null => {
 
                 disambiguateDevices(devices);
                 setDevices(devices);
-            } catch (err) {
+            } catch {
                 setDevices(null);
             }
         }

src/components/views/rooms/MemberList.tsx

@@ -27,6 +27,8 @@ import { KnownMembership } from "matrix-js-sdk/src/types";
 import { throttle } from "lodash";
 import { Button, Tooltip } from "@vector-im/compound-web";
 import UserAddIcon from "@vector-im/compound-design-tokens/assets/web/icons/user-add-solid";
+// eslint-disable-next-line no-restricted-imports
+import OverflowHorizontalSvg from "@vector-im/compound-design-tokens/icons/overflow-horizontal.svg";
 
 import { _t } from "../../../languageHandler";
 import dis from "../../../dispatcher/dispatcher";
@@ -237,13 +239,7 @@ export default class MemberList extends React.Component<IProps, IState> {
         return (
             <EntityTile
                 className="mx_EntityTile_ellipsis"
-                avatarJsx={
-                    <BaseAvatar
-                        url={require("@vector-im/compound-design-tokens/icons/overflow-horizontal.svg").default}
-                        name="..."
-                        size="36px"
-                    />
-                }
+                avatarJsx={<BaseAvatar url={OverflowHorizontalSvg} name="..." size="36px" />}
                 name={text}
                 showPresence={false}
                 onClick={onClick}

src/components/views/rooms/MessageComposer.tsx

@@ -57,6 +57,7 @@ import { VoiceBroadcastInfoState } from "../../../voice-broadcast";
 import { createCantStartVoiceMessageBroadcastDialog } from "../dialogs/CantStartVoiceMessageBroadcastDialog";
 import { UIFeature } from "../../../settings/UIFeature";
 import { formatTimeLeft } from "../../../DateUtils";
+import RoomReplacedSvg from "../../../../res/img/room_replaced.svg";
 
 // The prefix used when persisting editor drafts to localstorage.
 export const WYSIWYG_EDITOR_STATE_STORAGE_PREFIX = "mx_wysiwyg_state_";
@@ -619,7 +620,7 @@ export class MessageComposer extends React.Component<IProps, IState> {
                             aria-hidden
                             alt=""
                             className="mx_MessageComposer_roomReplaced_icon"
-                            src={require("../../../../res/img/room_replaced.svg").default}
+                            src={RoomReplacedSvg}
                         />
                         <span className="mx_MessageComposer_roomReplaced_header">
                             {_t("composer|room_upgraded_notice")}

src/components/views/rooms/RoomInfoLine.tsx

@@ -29,7 +29,7 @@ const RoomInfoLine: FC<IProps> = ({ room }) => {
         if (room.getMyMembership() !== KnownMembership.Invite) return null;
         try {
             return await room.client.getRoomSummary(room.roomId);
-        } catch (e) {
+        } catch {
             return null;
         }
     }, [room]);

src/components/views/rooms/Stickerpicker.tsx

@@ -26,6 +26,7 @@ import ScalarAuthClient from "../../../ScalarAuthClient";
 import GenericElementContextMenu from "../context_menus/GenericElementContextMenu";
 import RightPanelStore from "../../../stores/right-panel/RightPanelStore";
 import { UPDATE_EVENT } from "../../../stores/AsyncStore";
+import StickerpackPlaceholderSvg from "../../../../res/img/stickerpack-placeholder.png";
 
 // This should be below the dialog level (4000), but above the rest of the UI (1000-2000).
 // We sit in a context menu, so this should be given to the context menu.
@@ -206,7 +207,7 @@ export default class Stickerpicker extends React.PureComponent<IProps, IState> {
             <AccessibleButton onClick={this.launchManageIntegrations} className="mx_Stickers_contentPlaceholder">
                 <p>{_t("stickers|empty")}</p>
                 <p className="mx_Stickers_addLink">{_t("stickers|empty_add_prompt")}</p>
-                <img src={require("../../../../res/img/stickerpack-placeholder.png")} alt="" />
+                <img src={StickerpackPlaceholderSvg} alt="" />
             </AccessibleButton>
         );
     }

src/components/views/settings/AddPrivilegedUsers.tsx

@@ -57,7 +57,7 @@ export const AddPrivilegedUsers: React.FC<AddPrivilegedUsersProps> = ({ room, de
             await client.setPowerLevel(room.roomId, userIds, powerLevel);
             setSelectedUsers([]);
             setPowerLevel(defaultUserLevel);
-        } catch (error) {
+        } catch {
             Modal.createDialog(ErrorDialog, {
                 title: _t("common|error"),
                 description: _t("error|update_power_level"),

src/components/views/settings/SetIdServer.tsx

@@ -52,7 +52,7 @@ async function checkIdentityServerUrl(u: string): Promise<string | null> {
         } else {
             return _t("identity_server|error_connection");
         }
-    } catch (e) {
+    } catch {
         return _t("identity_server|error_connection");
     }
 }

src/components/views/settings/UserPersonalInfoSettings.tsx

@@ -61,7 +61,7 @@ export const UserPersonalInfoSettings: React.FC<UserPersonalInfoSettingsProps> =
             setEmails(threepids.threepids.filter((a) => a.medium === ThreepidMedium.Email));
             setPhoneNumbers(threepids.threepids.filter((a) => a.medium === ThreepidMedium.Phone));
             setLoadingState("loaded");
-        } catch (e) {
+        } catch {
             setLoadingState("error");
         }
     }, [client]);

src/components/views/settings/UserProfileSettings.tsx

@@ -156,7 +156,7 @@ const UserProfileSettings: React.FC<UserProfileSettingsProps> = ({
                 const { content_uri: uri } = await client.uploadContent(avatarFile);
                 await client.setAvatarUrl(uri);
                 setAvatarURL(uri);
-            } catch (e) {
+            } catch {
                 setAvatarError(true);
             } finally {
                 removeToast();

src/components/views/settings/devices/DeviceDetailHeading.tsx

@@ -40,7 +40,7 @@ const DeviceNameEditor: React.FC<Props & { stopEditing: () => void }> = ({ devic
         try {
             await saveDeviceName(deviceName);
             stopEditing();
-        } catch (error) {
+        } catch {
             setError(_t("settings|sessions|error_set_name"));
             setIsLoading(false);
         }

src/components/views/settings/discovery/DiscoverySettings.tsx

@@ -126,7 +126,7 @@ export const DiscoverySettings: React.FC = () => {
                     );
                     logger.warn(e);
                 }
-            } catch (e) {}
+            } catch {}
         })();
     }, [client, getThreepidState]);
 

src/components/views/settings/tabs/user/VoiceUserSettingsTab.tsx

@@ -101,7 +101,7 @@ export default class VoiceUserSettingsTab extends React.Component<{}, IState> {
         this.setState<any>({ [kind]: deviceId });
         try {
             await MediaDeviceHandler.instance.setDevice(deviceId, kind);
-        } catch (error) {
+        } catch {
             logger.error(`Failed to set device ${kind}: ${deviceId}`);
             // reset state to current value
             this.setState<any>({ [kind]: mapDeviceKindToHandlerValue(kind) });

src/components/views/spaces/QuickThemeSwitcher.tsx

@@ -63,7 +63,7 @@ const QuickThemeSwitcher: React.FC<Props> = ({ requestClose }) => {
                     SettingsStore.setValue("use_system_theme", null, SettingLevel.DEVICE, false),
                 ]);
             }
-        } catch (_error) {
+        } catch {
             dis.dispatch<RecheckThemePayload>({ action: Action.RecheckTheme });
         }
 

src/components/views/spaces/SpaceTreeLevel.tsx

@@ -176,7 +176,7 @@ interface IItemProps extends InputHTMLAttributes<HTMLLIElement> {
     activeSpaces: SpaceKey[];
     isNested?: boolean;
     isPanelCollapsed?: boolean;
-    onExpand?: Function;
+    onExpand?: () => void;
     parents?: Set<string>;
     innerRef?: LegacyRef<HTMLLIElement>;
     dragHandleProps?: DraggableProvidedDragHandleProps | null;

src/components/views/user-onboarding/UserOnboardingHeader.tsx

@@ -34,6 +34,7 @@ export function UserOnboardingHeader({ useCase }: Props): JSX.Element {
     let actionLabel: string;
 
     switch (useCase) {
+        /* eslint-disable @typescript-eslint/no-require-imports */
         case UseCase.PersonalMessaging:
             title = _t("onboarding|personal_messaging_title");
             image = require("../../../../res/img/user-onboarding/PersonalMessaging.png");
@@ -60,6 +61,7 @@ export function UserOnboardingHeader({ useCase }: Props): JSX.Element {
             image = require("../../../../res/img/user-onboarding/PersonalMessaging.png");
             actionLabel = _t("onboarding|personal_messaging_action");
             break;
+        /* eslint-enable @typescript-eslint/no-require-imports */
     }
 
     return (

src/customisations/Alias.ts

@@ -6,6 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function getDisplayAliasForAliasSet(canonicalAlias: string | null, altAliases: string[]): string | null {
     // E.g. prefer one of the aliases over another
     return null;

src/customisations/ComponentVisibility.ts

@@ -24,6 +24,7 @@ import { UIComponent } from "../settings/UIFeature";
  * @returns {boolean} True (default) if the user is able to see the component, false
  * otherwise.
  */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function shouldShowComponent(component: UIComponent): boolean {
     return true; // default to visible
 }

src/customisations/Directory.ts

@@ -6,6 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function requireCanonicalAliasAccessToPublish(): boolean {
     // Some environments may not care about this requirement and could return false
     return true;

src/customisations/Lifecycle.ts

@@ -6,6 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function onLoggedOutAndStorageCleared(): void {
     // E.g. redirect user or call other APIs after logout
 }

src/customisations/RoomList.ts

@@ -21,6 +21,7 @@ import { Room } from "matrix-js-sdk/src/matrix";
  * @param {Room} room The room to check the visibility of.
  * @returns {boolean} True if the room should be visible, false otherwise.
  */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function isRoomVisible(room: Room): boolean {
     return true;
 }

src/customisations/WidgetPermissions.ts

@@ -21,6 +21,7 @@ import { Capability, Widget } from "matrix-widget-api";
  * @returns {Set<Capability>} Resolves to the capabilities that are approved for use
  * by the widget. If none are approved, this should return an empty Set.
  */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 async function preapproveCapabilities(
     widget: Widget,
     requestedCapabilities: Set<Capability>,

src/customisations/WidgetVariables.ts

@@ -17,6 +17,7 @@ import { ITemplateParams } from "matrix-widget-api";
  * This will not be called until after isReady() resolves.
  * @returns {Partial<Omit<ITemplateParams, "widgetRoomId">>} The variables.
  */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 function provideVariables(): Partial<Omit<ITemplateParams, "widgetRoomId">> {
     return {};
 }
@@ -26,6 +27,7 @@ function provideVariables(): Partial<Omit<ITemplateParams, "widgetRoomId">> {
  * to be provided. This will block widgets being rendered.
  * @returns {Promise<boolean>} Resolves when ready.
  */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 async function isReady(): Promise<void> {
     return; // default no waiting
 }

src/hooks/useLocalStorageState.ts

@@ -12,7 +12,7 @@ const getValue = <T>(key: string, initialValue: T): T => {
     try {
         const item = window.localStorage.getItem(key);
         return item ? JSON.parse(item) : initialValue;
-    } catch (error) {
+    } catch {
         return initialValue;
     }
 };

src/languageHandler.tsx

@@ -376,7 +376,7 @@ export function replaceByRegexes(text: string, mapping: IVariables | Tags): stri
                 let replaced: SubstitutionValue;
                 // If substitution is a function, call it
                 if (mapping[regexpString] instanceof Function) {
-                    replaced = ((mapping as Tags)[regexpString] as Function)(...capturedGroups);
+                    replaced = ((mapping as Tags)[regexpString] as (...subs: string[]) => string)(...capturedGroups);
                 } else {
                     replaced = mapping[regexpString];
                 }

src/linkify-matrix.ts

@@ -148,7 +148,7 @@ export const options: Opts = {
                             };
                         }
                     }
-                } catch (e) {
+                } catch {
                     // OK fine, it's not actually a permalink
                 }
                 break;
@@ -215,7 +215,7 @@ export const options: Opts = {
                 } else {
                     return "_blank";
                 }
-            } catch (e) {
+            } catch {
                 // malformed URI
             }
         }

src/models/LocalRoom.ts

@@ -31,7 +31,7 @@ export class LocalRoom extends Room {
     /** DM chat partner */
     public targets: Member[] = [];
     /** Callbacks that should be invoked after the actual room has been created. */
-    public afterCreateCallbacks: Function[] = [];
+    public afterCreateCallbacks: ((roomId: string) => void)[] = [];
     public state: LocalRoomState = LocalRoomState.NEW;
 
     public constructor(roomId: string, client: MatrixClient, myUserId: string) {

src/rageshake/rageshake.ts

@@ -525,7 +525,7 @@ export function tryInitStorage(): Promise<void> {
     let indexedDB;
     try {
         indexedDB = window.indexedDB;
-    } catch (e) {}
+    } catch {}
 
     if (indexedDB) {
         global.mx_rage_store = new IndexedDBLogStore(indexedDB, global.mx_rage_logger);

src/rageshake/submit-rageshake.ts

@@ -68,7 +68,7 @@ export async function collectBugReport(opts: IOpts = {}, gzipLogs = true): Promi
 async function getAppVersion(): Promise<string | undefined> {
     try {
         return await PlatformPeg.get()?.getAppVersion();
-    } catch (err) {
+    } catch {
         // this happens if no version is set i.e. in dev
     }
 }
@@ -76,7 +76,7 @@ async function getAppVersion(): Promise<string | undefined> {
 function matchesMediaQuery(query: string): string {
     try {
         return String(window.matchMedia(query).matches);
-    } catch (err) {
+    } catch {
         // if not supported in browser
     }
     return "UNKNOWN";
@@ -249,12 +249,12 @@ async function collectStorageStatInfo(body: FormData): Promise<void> {
     if (navigator.storage && navigator.storage.persisted) {
         try {
             body.append("storageManager_persisted", String(await navigator.storage.persisted()));
-        } catch (e) {}
+        } catch {}
     } else if (document.hasStorageAccess) {
         // Safari
         try {
             body.append("storageManager_persisted", String(await document.hasStorageAccess()));
-        } catch (e) {}
+        } catch {}
     }
     if (navigator.storage && navigator.storage.estimate) {
         try {
@@ -266,7 +266,7 @@ async function collectStorageStatInfo(body: FormData): Promise<void> {
                     body.append(`storageManager_usage_${k}`, String(estimate.usageDetails![k]));
                 });
             }
-        } catch (e) {}
+        } catch {}
     }
 }
 
@@ -402,7 +402,7 @@ export async function submitFeedback(
     let version: string | undefined;
     try {
         version = await PlatformPeg.get()?.getAppVersion();
-    } catch (err) {} // PlatformPeg already logs this.
+    } catch {} // PlatformPeg already logs this.
 
     const body = new FormData();
     if (label) body.append("label", label);

src/sentry.ts

@@ -68,12 +68,12 @@ async function getStorageContext(): Promise<StorageContext> {
     if (navigator.storage && navigator.storage.persisted) {
         try {
             result["storageManager_persisted"] = String(await navigator.storage.persisted());
-        } catch (e) {}
+        } catch {}
     } else if (document.hasStorageAccess) {
         // Safari
         try {
             result["storageManager_persisted"] = String(await document.hasStorageAccess());
-        } catch (e) {}
+        } catch {}
     }
     if (navigator.storage && navigator.storage.estimate) {
         try {
@@ -87,7 +87,7 @@ async function getStorageContext(): Promise<StorageContext> {
                 });
                 result[`storageManager_usage`] = usageDetails.join(", ");
             }
-        } catch (e) {}
+        } catch {}
     }
 
     return result;

src/settings/Settings.tsx

@@ -227,6 +227,7 @@ export const SETTINGS: { [setting: string]: ISetting } = {
                 ),
             feedbackLabel: "video-room-feedback",
             feedbackSubheading: _td("labs|video_rooms_feedbackSubheading"),
+            // eslint-disable-next-line @typescript-eslint/no-require-imports
             image: require("../../res/img/betas/video_rooms.png"),
             requiresRefresh: true,
         },

src/settings/controllers/NotificationControllers.ts

@@ -34,7 +34,7 @@ export function isPushNotifyDisabled(): boolean {
 
 function getNotifier(): any {
     // TODO: [TS] Formal type that doesn't cause a cyclical reference.
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
     let Notifier = require("../../Notifier"); // avoids cyclical references
     if (Notifier.default) Notifier = Notifier.default; // correct for webpack require() weirdness
     return Notifier;

src/settings/handlers/LocalEchoWrapper.ts

@@ -57,7 +57,7 @@ export default class LocalEchoWrapper extends SettingsHandler {
 
         try {
             await handlerPromise;
-        } catch (e) {
+        } catch {
             // notify of a rollback
             this.handler.watchers?.notifyUpdate(settingName, roomId, this.level, currentValue);
         } finally {

src/settings/handlers/RoomSettingsHandler.ts

@@ -16,9 +16,7 @@ import { SettingLevel } from "../SettingLevel";
 import { WatchManager } from "../WatchManager";
 
 const DEFAULT_SETTINGS_EVENT_TYPE = "im.vector.web.settings";
-const PREVIEW_URLS_EVENT_TYPE = "org.matrix.room.preview_urls";
-
-type RoomSettingsEventType = typeof DEFAULT_SETTINGS_EVENT_TYPE | typeof PREVIEW_URLS_EVENT_TYPE;
+type RoomSettingsEventType = typeof DEFAULT_SETTINGS_EVENT_TYPE | "org.matrix.room.preview_urls";
 
 /**
  * Gets and sets settings at the "room" level.

src/stores/AsyncStore.ts

@@ -34,7 +34,7 @@ export const UPDATE_EVENT = "update";
  * To update the state, use updateState() and preferably await the result to
  * help prevent lock conflicts.
  */
-export abstract class AsyncStore<T extends Object> extends EventEmitter {
+export abstract class AsyncStore<T extends object> extends EventEmitter {
     private storeState: Readonly<T>;
     private lock = new AwaitLock();
     private readonly dispatcherRef: string;
@@ -72,7 +72,7 @@ export abstract class AsyncStore<T extends Object> extends EventEmitter {
      * Updates the state of the store.
      * @param {T|*} newState The state to update in the store using Object.assign()
      */
-    protected async updateState(newState: T | Object): Promise<void> {
+    protected async updateState(newState: T | object): Promise<void> {
         await this.lock.acquireAsync();
         try {
             this.storeState = Object.freeze(Object.assign(<T>{}, this.storeState, newState));
@@ -87,7 +87,7 @@ export abstract class AsyncStore<T extends Object> extends EventEmitter {
      * @param {T|*} newState The new state of the store.
      * @param {boolean} quiet If true, the function will not raise an UPDATE_EVENT.
      */
-    protected async reset(newState: T | Object | null = null, quiet = false): Promise<void> {
+    protected async reset(newState: T | object | null = null, quiet = false): Promise<void> {
         await this.lock.acquireAsync();
         try {
             this.storeState = Object.freeze(<T>(newState || {}));

src/stores/AsyncStoreWithClient.ts

@@ -13,7 +13,7 @@ import { ActionPayload } from "../dispatcher/payloads";
 import { ReadyWatchingStore } from "./ReadyWatchingStore";
 import { MatrixDispatcher } from "../dispatcher/dispatcher";
 
-export abstract class AsyncStoreWithClient<T extends Object> extends AsyncStore<T> {
+export abstract class AsyncStoreWithClient<T extends object> extends AsyncStore<T> {
     protected readyStore: ReadyWatchingStore;
 
     protected constructor(dispatcher: MatrixDispatcher, initialState: T = <T>{}) {

src/stores/MemberListStore.ts

@@ -90,7 +90,7 @@ export class MemberListStore {
             // load using traditional lazy loading
             try {
                 await room.loadMembersIfNeeded();
-            } catch (ex) {
+            } catch {
                 /* already logged in RoomView */
             }
         }

src/toasts/IncomingLegacyCallToast.tsx

@@ -77,9 +77,11 @@ export default class IncomingLegacyCallToast extends React.Component<IProps, ISt
     private onSilenceClick = (e: ButtonEvent): void => {
         e.stopPropagation();
         const callId = this.props.call.callId;
-        this.state.silenced
-            ? LegacyCallHandler.instance.unSilenceCall(callId)
-            : LegacyCallHandler.instance.silenceCall(callId);
+        if (this.state.silenced) {
+            LegacyCallHandler.instance.unSilenceCall(callId);
+        } else {
+            LegacyCallHandler.instance.silenceCall(callId);
+        }
     };
 
     public render(): React.ReactNode {

src/utils/EventUtils.ts

@@ -223,7 +223,7 @@ export async function fetchInitialEvent(
     try {
         const eventData = await client.fetchRoomEvent(roomId, eventId);
         initialEvent = new MatrixEvent(eventData);
-    } catch (e) {
+    } catch {
         logger.warn("Could not find initial event: " + eventId);
         initialEvent = null;
     }
@@ -235,7 +235,7 @@ export async function fetchInitialEvent(
         const rootEvent = room?.findEventById(threadId) ?? mapper(await client.fetchRoomEvent(roomId, threadId));
         try {
             room?.createThread(threadId, rootEvent, [initialEvent], true);
-        } catch (e) {
+        } catch {
             logger.warn("Could not find root event: " + threadId);
         }
     }

src/utils/FontManager.ts

@@ -105,6 +105,7 @@ export async function fixupColorFonts(): Promise<void> {
     colrFontCheckStarted = true;
 
     if (await isColrFontSupported()) {
+        // eslint-disable-next-line @typescript-eslint/no-require-imports
         const path = `url('${require("../../res/fonts/Twemoji_Mozilla/TwemojiMozilla-colr.woff2")}')`;
         document.fonts.add(new FontFace("Twemoji", path, {}));
         // For at least Chrome on Windows 10, we have to explictly add extra
@@ -113,6 +114,7 @@ export async function fixupColorFonts(): Promise<void> {
         document.fonts.add(new FontFace("Twemoji", path, { weight: "700" }));
     } else {
         // fall back to SBIX, generated via https://github.com/matrix-org/twemoji-colr/tree/matthew/sbix
+        // eslint-disable-next-line @typescript-eslint/no-require-imports
         const path = `url('${require("../../res/fonts/Twemoji_Mozilla/TwemojiMozilla-sbix.woff2")}')`;
         document.fonts.add(new FontFace("Twemoji", path, {}));
         document.fonts.add(new FontFace("Twemoji", path, { weight: "600" }));

src/utils/Singleflight.ts

@@ -10,7 +10,7 @@ import { EnhancedMap } from "./maps";
 
 // Inspired by https://pkg.go.dev/golang.org/x/sync/singleflight
 
-const keyMap = new EnhancedMap<Object, EnhancedMap<string, unknown>>();
+const keyMap = new EnhancedMap<object, EnhancedMap<string, unknown>>();
 
 /**
  * Access class to get a singleflight context. Singleflights execute a
@@ -47,7 +47,7 @@ export class Singleflight {
      * @param {string} key A string key relevant to that instance to namespace under.
      * @returns {SingleflightContext} Returns the context to execute the function.
      */
-    public static for(instance?: Object | null, key?: string | null): SingleflightContext {
+    public static for(instance?: object | null, key?: string | null): SingleflightContext {
         if (!instance || !key) throw new Error("An instance and key must be supplied");
         return new SingleflightContext(instance, key);
     }
@@ -56,7 +56,7 @@ export class Singleflight {
      * Forgets all results for a given instance.
      * @param {Object} instance The instance to forget about.
      */
-    public static forgetAllFor(instance: Object): void {
+    public static forgetAllFor(instance: object): void {
         keyMap.delete(instance);
     }
 
@@ -72,7 +72,7 @@ export class Singleflight {
 
 class SingleflightContext {
     public constructor(
-        private instance: Object,
+        private instance: object,
         private key: string,
     ) {}
 

src/utils/StorageAccess.ts

@@ -21,7 +21,7 @@ export function getIDBFactory(): IDBFactory | undefined {
         // We check `self` first because `window` returns something which doesn't work for service workers.
         // Note: `self?.indexedDB ?? window.indexedDB` breaks in service workers for unknown reasons.
         return self?.indexedDB ? self.indexedDB : window.indexedDB;
-    } catch (e) {}
+    } catch {}
 }
 
 let idb: IDBDatabase | null = null;

src/utils/WidgetUtils.ts

@@ -251,7 +251,7 @@ export default class WidgetUtils {
         // Delete existing widget with ID
         try {
             delete userWidgets[widgetId];
-        } catch (e) {
+        } catch {
             logger.error(`$widgetId is non-configurable`);
         }
 

src/utils/beacon/useOwnLiveBeacons.ts

@@ -65,7 +65,7 @@ export const useOwnLiveBeacons = (liveBeaconIds: BeaconIdentifier[]): LiveBeacon
         setStoppingInProgress(true);
         try {
             await Promise.all(liveBeaconIds.map((beaconId) => OwnBeaconStore.instance.stopBeacon(beaconId)));
-        } catch (error) {
+        } catch {
             setStoppingInProgress(false);
         }
     };

src/utils/createMatrixClient.ts

@@ -25,7 +25,7 @@ const localStorage = window.localStorage;
 let indexedDB: IDBFactory;
 try {
     indexedDB = window.indexedDB;
-} catch (e) {}
+} catch {}
 
 /**
  * Create a new matrix client, with the persistent stores set up appropriately

src/utils/device/snoozeBulkUnverifiedDeviceReminder.ts

@@ -26,7 +26,7 @@ export const isBulkUnverifiedDeviceReminderSnoozed = (): boolean => {
         const parsedTimestamp = Number.parseInt(snoozedTimestamp || "", 10);
 
         return Number.isInteger(parsedTimestamp) && parsedTimestamp + snoozePeriod > Date.now();
-    } catch (error) {
+    } catch {
         return false;
     }
 };

src/utils/exportUtils/Exporter.ts

@@ -229,7 +229,7 @@ export default abstract class Exporter {
                 const image = await fetch(media.srcHttp);
                 blob = await image.blob();
             }
-        } catch (err) {
+        } catch {
             logger.log("Error decrypting media");
         }
         if (!blob) {

src/utils/image-media.ts

@@ -76,7 +76,7 @@ export async function createThumbnail(
     try {
         canvas = new window.OffscreenCanvas(targetWidth, targetHeight);
         context = canvas.getContext("2d") as OffscreenCanvasRenderingContext2D;
-    } catch (e) {
+    } catch {
         // Fallback support for other browsers (Safari and Firefox for now)
         canvas = document.createElement("canvas");
         canvas.width = targetWidth;

src/utils/permalinks/Permalinks.ts

@@ -377,7 +377,7 @@ export function tryTransformPermalinkToLocalHref(permalink: string): string {
         if (m) {
             return m[1];
         }
-    } catch (e) {
+    } catch {
         // Not a valid URI
         return permalink;
     }
@@ -396,7 +396,7 @@ export function tryTransformPermalinkToLocalHref(permalink: string): string {
                 permalink = `#/user/${permalinkParts.userId}`;
             } // else not a valid permalink for our purposes - do not handle
         }
-    } catch (e) {
+    } catch {
         // Not an href we need to care about
     }
 
@@ -421,7 +421,7 @@ export function getPrimaryPermalinkEntity(permalink: string): string | null {
         if (!permalinkParts) return null; // not processable
         if (permalinkParts.userId) return permalinkParts.userId;
         if (permalinkParts.roomIdOrAlias) return permalinkParts.roomIdOrAlias;
-    } catch (e) {
+    } catch {
         // no entity - not a permalink
     }
 

src/utils/tokens/pickling.ts

@@ -120,7 +120,7 @@ export async function buildAndEncodePickleKey(
         if (pickleKeyBuf) {
             return encodeUnpaddedBase64(pickleKeyBuf);
         }
-    } catch (e) {
+    } catch {
         logger.error("Error decrypting pickle key");
     }
 

src/utils/tokens/tokens.ts

@@ -150,7 +150,7 @@ export async function persistTokenInStorage(
             // token if there is no token or we were unable to encrypt (e.g. if the browser doesn't
             // have WebCrypto).
             await StorageAccess.idbSave("account", storageKey, encryptedToken || token);
-        } catch (e) {
+        } catch {
             // if we couldn't save to indexedDB, fall back to localStorage.  We
             // store the access token unencrypted since localStorage only saves
             // strings.
@@ -163,7 +163,7 @@ export async function persistTokenInStorage(
     } else {
         try {
             await StorageAccess.idbSave("account", storageKey, token);
-        } catch (e) {
+        } catch {
             if (!!token) {
                 localStorage.setItem(storageKey, token);
             } else {

src/utils/tooltipify.tsx

@@ -45,7 +45,7 @@ export function tooltipifyLinks(rootNodes: ArrayLike<Element>, ignoredNodes: Ele
             let href = node.getAttribute("href")!;
             try {
                 href = new URL(href, window.location.href).toString();
-            } catch (e) {
+            } catch {
                 // Not all hrefs will be valid URLs
             }
 

src/vector/getconfig.ts

@@ -28,7 +28,7 @@ export async function getVectorConfig(relativeLocation = ""): Promise<IConfigOpt
             throw new Error(); // throw to enter the catch
         }
         return configJson;
-    } catch (e) {
+    } catch {
         return generalConfigPromise;
     }
 }

src/vector/index.ts

@@ -20,8 +20,10 @@ import "./modernizr";
 // Require common CSS here; this will make webpack process it into bundle.css.
 // Our own CSS (which is themed) is imported via separate webpack entry points
 // in webpack.config.js
+// eslint-disable-next-line @typescript-eslint/no-require-imports
 require("katex/dist/katex.css");
 
+// eslint-disable-next-line @typescript-eslint/no-require-imports
 require("./localstorage-fix");
 
 async function settled(...promises: Array<Promise<any>>): Promise<void> {

src/vector/jitsi/index.ts

@@ -62,6 +62,7 @@ interface ExternalAPIOptions extends _ExternalAPIOptions {
 }
 
 // We have to trick webpack into loading our CSS for us.
+// eslint-disable-next-line @typescript-eslint/no-require-imports
 require("./index.pcss");
 
 const JITSI_OPENIDTOKEN_JWT_AUTH = "openidtoken-jwt";

src/vector/platform/ElectronPlatform.tsx

@@ -265,7 +265,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
 
         const notification = super.displayNotification(title, msg, avatarUrl, room, ev);
 
-        const handler = notification.onclick as Function;
+        const handler = notification.onclick as () => void;
         notification.onclick = (): void => {
             handler?.();
             void this.ipc.call("focusWindow");
@@ -416,7 +416,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
     public async getPickleKey(userId: string, deviceId: string): Promise<string | null> {
         try {
             return await this.ipc.call("getPickleKey", userId, deviceId);
-        } catch (e) {
+        } catch {
             // if we can't connect to the password storage, assume there's no
             // pickle key
             return null;
@@ -426,7 +426,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
     public async createPickleKey(userId: string, deviceId: string): Promise<string | null> {
         try {
             return await this.ipc.call("createPickleKey", userId, deviceId);
-        } catch (e) {
+        } catch {
             // if we can't connect to the password storage, assume there's no
             // pickle key
             return null;
@@ -436,14 +436,14 @@ export default class ElectronPlatform extends VectorBasePlatform {
     public async destroyPickleKey(userId: string, deviceId: string): Promise<void> {
         try {
             await this.ipc.call("destroyPickleKey", userId, deviceId);
-        } catch (e) {}
+        } catch {}
     }
 
     public async clearStorage(): Promise<void> {
         try {
             await super.clearStorage();
             await this.ipc.call("clearStorage");
-        } catch (e) {}
+        } catch {}
     }
 
     public get baseUrl(): string {

src/voice-broadcast/audio/VoiceBroadcastRecorder.ts

@@ -76,7 +76,7 @@ export class VoiceBroadcastRecorder
     public async stop(): Promise<Optional<ChunkRecordedPayload>> {
         try {
             await this.voiceRecording.stop();
-        } catch (e) {
+        } catch {
             // Ignore if the recording raises any error.
         }
 

src/voice-broadcast/utils/retrieveStartedInfoEvent.ts

@@ -31,7 +31,7 @@ export const retrieveStartedInfoEvent = async (
     try {
         const relatedEventData = await client.fetchRoomEvent(roomId, relatedEventId);
         return new MatrixEvent(relatedEventData);
-    } catch (e) {}
+    } catch {}
 
     return null;
 };

src/widgets/Jitsi.ts

@@ -50,7 +50,7 @@ export class Jitsi {
         try {
             const response = await fetch(`https://${this.preferredDomain}/.well-known/element/jitsi`);
             data = await response.json();
-        } catch (error) {
+        } catch {
             return null;
         }
         if (data.auth) {

test/setupTests.ts

@@ -35,6 +35,7 @@ beforeEach(() => {
 //
 // These are also require() calls to make sure they get called
 // synchronously.
+/* eslint-disable @typescript-eslint/no-require-imports */
 require("./setup/setupManualMocks"); // must be first
 require("./setup/setupLanguage");
 require("./setup/setupConfig");