Merge remote-tracking branch 'upstream/develop' into task/dialogs-ts

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

.github/workflows/layered-build.yaml

@@ -5,6 +5,8 @@ on:
 jobs:
     build:
         runs-on: ubuntu-latest
+        env:
+          PR_NUMBER: ${{github.event.number}}
         steps:
             - uses: actions/checkout@v2
             - name: Build

.github/workflows/typecheck.yaml

@@ -5,6 +5,8 @@ on:
 jobs:
     build:
         runs-on: ubuntu-latest
+        env:
+          PR_NUMBER: ${{github.event.number}}
         steps:
             - uses: actions/checkout@v2
             - uses: c-hive/gha-yarn-cache@v2

res/css/_animations.scss

@@ -34,18 +34,43 @@ limitations under the License.
     transition: opacity 300ms ease;
 }
 
-
 @keyframes mx--anim-pulse {
     0% { opacity: 1; }
     50% { opacity: 0.7; }
     100% { opacity: 1; }
 }
 
+@keyframes mx_Dialog_lightbox_background_keyframes {
+    from {
+        opacity: 0;
+    }
+    to {
+        opacity: $lightbox-background-bg-opacity;
+    }
+}
+
+@keyframes mx_ImageView_panel_keyframes {
+    from {
+        opacity: 0;
+    }
+    to {
+        opacity: 1;
+    }
+}
 
 @media (prefers-reduced-motion) {
     @keyframes mx--anim-pulse {
         // Override all keyframes in reduced-motion
     }
+
+    @keyframes mx_Dialog_lightbox_background_keyframes {
+        // Override all keyframes in reduced-motion
+    }
+
+    @keyframes mx_ImageView_panel_keyframes {
+        // Override all keyframes in reduced-motion
+    }
+
     .mx_rtg--fade-enter-active {
         transition: none;
     }

res/css/_common.scss

@@ -318,6 +318,8 @@ input[type=text]:focus, input[type=password]:focus, textarea:focus {
 .mx_Dialog_lightbox .mx_Dialog_background {
     opacity: $lightbox-background-bg-opacity;
     background-color: $lightbox-background-bg-color;
+    animation-name: mx_Dialog_lightbox_background_keyframes;
+    animation-duration: 300ms;
 }
 
 .mx_Dialog_lightbox .mx_Dialog {

res/css/structures/_RoomDirectory.scss

@@ -183,3 +183,40 @@ limitations under the License.
         padding: 0;
     }
 }
+
+@media screen and (max-width: 700px) {
+    .mx_RoomDirectory_roomMemberCount {
+        padding: 0px;
+    }
+
+    .mx_AccessibleButton_kind_secondary {
+        padding: 0px !important;
+    }
+
+    .mx_RoomDirectory_join {
+        margin-left: 0px;
+    }
+
+    .mx_RoomDirectory_alias {
+        margin-top: 10px;
+        margin-bottom: 10px;
+    }
+
+    .mx_RoomDirectory_roomDescription {
+        padding-bottom: 0px;
+    }
+
+    .mx_RoomDirectory_name {
+        margin-bottom: 5px;
+    }
+
+    .mx_RoomDirectory_roomAvatar {
+        margin-top: 10px;
+    }
+
+    .mx_RoomDirectory_table {
+        grid-template-columns: auto;
+        row-gap: 14px;
+        margin-top: 5px;
+    }
+}

res/css/views/elements/_ImageView.scss

@@ -18,6 +18,10 @@ $button-size: 32px;
 $icon-size: 22px;
 $button-gap: 24px;
 
+:root {
+    --image-view-panel-height: 68px;
+}
+
 .mx_ImageView {
     display: flex;
     width: 100%;
@@ -36,14 +40,24 @@ $button-gap: 24px;
 
 .mx_ImageView_image {
     flex-shrink: 0;
+
+    &.mx_ImageView_image_animating {
+        transition: transform 200ms ease 0s;
+    }
+
+    &.mx_ImageView_image_animatingLoading {
+        transition: transform 300ms ease 0s;
+    }
 }
 
 .mx_ImageView_panel {
     width: 100%;
-    height: 68px;
+    height: var(--image-view-panel-height);
     display: flex;
     justify-content: space-between;
     align-items: center;
+    animation-name: mx_ImageView_panel_keyframes;
+    animation-duration: 300ms;
 }
 
 .mx_ImageView_info_wrapper {
@@ -124,3 +138,13 @@ $button-gap: 24px;
         mask-size: 40%;
     }
 }
+
+@media (prefers-reduced-motion) {
+    .mx_ImageView_image_animating {
+        transition: none !important;
+    }
+
+    .mx_ImageView_image_animatingLoading {
+        transition: none !important;
+    }
+}

src/AsyncWrapper.tsx

@@ -20,6 +20,8 @@ import * as sdk from './index';
 import { _t } from './languageHandler';
 import { IDialogProps } from "./components/views/dialogs/IDialogProps";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 type AsyncImport<T> = { default: T };
 
 interface IProps extends IDialogProps {
@@ -47,7 +49,7 @@ export default class AsyncWrapper extends React.Component<IProps, IState> {
     componentDidMount() {
         // XXX: temporary logging to try to diagnose
         // https://github.com/vector-im/element-web/issues/3148
-        console.log('Starting load of AsyncWrapper for modal');
+        logger.log('Starting load of AsyncWrapper for modal');
         this.props.prom.then((result) => {
             if (this.unmounted) return;
 

src/CallHandler.tsx

@@ -286,9 +286,9 @@ export default class CallHandler extends EventEmitter {
             dis.dispatch({ action: Action.VirtualRoomSupportUpdated });
         } catch (e) {
             if (maxTries === 1) {
-                console.log("Failed to check for protocol support and no retries remain: assuming no support", e);
+                logger.log("Failed to check for protocol support and no retries remain: assuming no support", e);
             } else {
-                console.log("Failed to check for protocol support: will retry", e);
+                logger.log("Failed to check for protocol support: will retry", e);
                 this.pstnSupportCheckTimer = setTimeout(() => {
                     this.checkProtocols(maxTries - 1);
                 }, 10000);
@@ -399,7 +399,7 @@ export default class CallHandler extends EventEmitter {
                     // or chrome doesn't think so and is denying the request. Not sure what
                     // we can really do here...
                     // https://github.com/vector-im/element-web/issues/7657
-                    console.log("Unable to play audio clip", e);
+                    logger.log("Unable to play audio clip", e);
                 }
             };
             if (this.audioPromises.has(audioId)) {
@@ -477,7 +477,7 @@ export default class CallHandler extends EventEmitter {
         call.on(CallEvent.Replaced, (newCall: MatrixCall) => {
             if (!this.matchesCallForThisRoom(call)) return;
 
-            console.log(`Call ID ${call.callId} is being replaced by call ID ${newCall.callId}`);
+            logger.log(`Call ID ${call.callId} is being replaced by call ID ${newCall.callId}`);
 
             if (call.state === CallState.Ringing) {
                 this.pause(AudioID.Ring);
@@ -493,7 +493,7 @@ export default class CallHandler extends EventEmitter {
         call.on(CallEvent.AssertedIdentityChanged, async () => {
             if (!this.matchesCallForThisRoom(call)) return;
 
-            console.log(`Call ID ${call.callId} got new asserted identity:`, call.getRemoteAssertedIdentity());
+            logger.log(`Call ID ${call.callId} got new asserted identity:`, call.getRemoteAssertedIdentity());
 
             const newAssertedIdentity = call.getRemoteAssertedIdentity().id;
             let newNativeAssertedIdentity = newAssertedIdentity;
@@ -503,7 +503,7 @@ export default class CallHandler extends EventEmitter {
                     newNativeAssertedIdentity = response[0].userid;
                 }
             }
-            console.log(`Asserted identity ${newAssertedIdentity} mapped to ${newNativeAssertedIdentity}`);
+            logger.log(`Asserted identity ${newAssertedIdentity} mapped to ${newNativeAssertedIdentity}`);
 
             if (newNativeAssertedIdentity) {
                 this.assertedIdentityNativeUsers[call.callId] = newNativeAssertedIdentity;
@@ -516,11 +516,11 @@ export default class CallHandler extends EventEmitter {
                 await ensureDMExists(MatrixClientPeg.get(), newNativeAssertedIdentity);
 
                 const newMappedRoomId = this.roomIdForCall(call);
-                console.log(`Old room ID: ${mappedRoomId}, new room ID: ${newMappedRoomId}`);
+                logger.log(`Old room ID: ${mappedRoomId}, new room ID: ${newMappedRoomId}`);
                 if (newMappedRoomId !== mappedRoomId) {
                     this.removeCallForRoom(mappedRoomId);
                     mappedRoomId = newMappedRoomId;
-                    console.log("Moving call to room " + mappedRoomId);
+                    logger.log("Moving call to room " + mappedRoomId);
                     this.addCallForRoom(mappedRoomId, call, true);
                 }
             }
@@ -656,7 +656,7 @@ export default class CallHandler extends EventEmitter {
     private setCallState(call: MatrixCall, status: CallState) {
         const mappedRoomId = CallHandler.sharedInstance().roomIdForCall(call);
 
-        console.log(
+        logger.log(
             `Call state in ${mappedRoomId} changed to ${status}`,
         );
 
@@ -681,7 +681,7 @@ export default class CallHandler extends EventEmitter {
     }
 
     private removeCallForRoom(roomId: string) {
-        console.log("Removing call for room ", roomId);
+        logger.log("Removing call for room ", roomId);
         this.calls.delete(roomId);
         this.emit(CallHandlerEvent.CallsChanged, this.calls);
     }
@@ -752,7 +752,7 @@ export default class CallHandler extends EventEmitter {
         logger.debug("Mapped real room " + roomId + " to room ID " + mappedRoomId);
 
         const timeUntilTurnCresExpire = MatrixClientPeg.get().getTurnServersExpiry() - Date.now();
-        console.log("Current turn creds expire in " + timeUntilTurnCresExpire + " ms");
+        logger.log("Current turn creds expire in " + timeUntilTurnCresExpire + " ms");
         const call = MatrixClientPeg.get().createCall(mappedRoomId);
 
         try {
@@ -862,7 +862,7 @@ export default class CallHandler extends EventEmitter {
 
                     const mappedRoomId = CallHandler.sharedInstance().roomIdForCall(call);
                     if (this.getCallForRoom(mappedRoomId)) {
-                        console.log(
+                        logger.log(
                             "Got incoming call for room " + mappedRoomId +
                             " but there's already a call for this room: ignoring",
                         );
@@ -966,7 +966,7 @@ export default class CallHandler extends EventEmitter {
             const nativeLookupResults = await this.sipNativeLookup(userId);
             const lookupSuccess = nativeLookupResults.length > 0 && nativeLookupResults[0].fields.lookup_success;
             nativeUserId = lookupSuccess ? nativeLookupResults[0].userid : userId;
-            console.log("Looked up " + number + " to " + userId + " and mapped to native user " + nativeUserId);
+            logger.log("Looked up " + number + " to " + userId + " and mapped to native user " + nativeUserId);
         } else {
             nativeUserId = userId;
         }
@@ -1014,7 +1014,7 @@ export default class CallHandler extends EventEmitter {
             try {
                 await call.transfer(destination);
             } catch (e) {
-                console.log("Failed to transfer call", e);
+                logger.log("Failed to transfer call", e);
                 Modal.createTrackedDialog('Failed to transfer call', '', ErrorDialog, {
                     title: _t('Transfer Failed'),
                     description: _t('Failed to transfer call'),
@@ -1104,7 +1104,7 @@ export default class CallHandler extends EventEmitter {
         );
 
         WidgetUtils.setRoomWidget(roomId, widgetId, WidgetType.JITSI, widgetUrl, 'Jitsi', widgetData).then(() => {
-            console.log('Jitsi widget added');
+            logger.log('Jitsi widget added');
         }).catch((e) => {
             if (e.errcode === 'M_FORBIDDEN') {
                 Modal.createTrackedDialog('Call Failed', '', ErrorDialog, {
@@ -1152,11 +1152,11 @@ export default class CallHandler extends EventEmitter {
 
     private addCallForRoom(roomId: string, call: MatrixCall, changedRooms = false): void {
         if (this.calls.has(roomId)) {
-            console.log(`Couldn't add call to room ${roomId}: already have a call for this room`);
+            logger.log(`Couldn't add call to room ${roomId}: already have a call for this room`);
             throw new Error("Already have a call for room " + roomId);
         }
 
-        console.log("setting call for room " + roomId);
+        logger.log("setting call for room " + roomId);
         this.calls.set(roomId, call);
 
         // Should we always emit CallsChanged too?

src/ContentMessages.tsx

@@ -42,6 +42,8 @@ import { BlurhashEncoder } from "./BlurhashEncoder";
 import SettingsStore from "./settings/SettingsStore";
 import { decorateStartSendingTime, sendRoundTripMetric } from "./sendTimePerformanceMetrics";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const MAX_WIDTH = 800;
 const MAX_HEIGHT = 600;
 
@@ -678,13 +680,13 @@ export default class ContentMessages {
     private ensureMediaConfigFetched(matrixClient: MatrixClient) {
         if (this.mediaConfig !== null) return;
 
-        console.log("[Media Config] Fetching");
+        logger.log("[Media Config] Fetching");
         return matrixClient.getMediaConfig().then((config) => {
-            console.log("[Media Config] Fetched config:", config);
+            logger.log("[Media Config] Fetched config:", config);
             return config;
         }).catch(() => {
             // Media repo can't or won't report limits, so provide an empty object (no limits).
-            console.log("[Media Config] Could not fetch config, so not limiting uploads.");
+            logger.log("[Media Config] Could not fetch config, so not limiting uploads.");
             return {};
         }).then((config) => {
             this.mediaConfig = config;

src/CountlyAnalytics.ts

@@ -538,7 +538,7 @@ export default class CountlyAnalytics {
 
         // sanitize the error from identifiers
         error = await strReplaceAsync(error, /([!@+#]).+?:[\w:.]+/g, async (substring: string, glyph: string) => {
-            return glyph + await hashHex(substring.substring(1));
+            return glyph + (await hashHex(substring.substring(1)));
         });
 
         const metrics = this.getMetrics();

src/DeviceListener.ts

@@ -35,6 +35,8 @@ import { isLoggedIn } from './components/structures/MatrixChat';
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { ActionPayload } from "./dispatcher/payloads";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const KEY_BACKUP_POLL_INTERVAL = 5 * 60 * 1000;
 
 export default class DeviceListener {
@@ -100,7 +102,7 @@ export default class DeviceListener {
      * @param {String[]} deviceIds List of device IDs to dismiss notifications for
      */
     async dismissUnverifiedSessions(deviceIds: Iterable<string>) {
-        console.log("Dismissing unverified sessions: " + Array.from(deviceIds).join(','));
+        logger.log("Dismissing unverified sessions: " + Array.from(deviceIds).join(','));
         for (const d of deviceIds) {
             this.dismissed.add(d);
         }
@@ -211,7 +213,7 @@ export default class DeviceListener {
     private async recheck() {
         const cli = MatrixClientPeg.get();
 
-        if (!await cli.doesServerSupportUnstableFeature("org.matrix.e2e_cross_signing")) return;
+        if (!(await cli.doesServerSupportUnstableFeature("org.matrix.e2e_cross_signing"))) return;
 
         if (!cli.isCryptoEnabled()) return;
         // don't recheck until the initial sync is complete: lots of account data events will fire
@@ -286,8 +288,8 @@ export default class DeviceListener {
             }
         }
 
-        console.log("Old unverified sessions: " + Array.from(oldUnverifiedDeviceIds).join(','));
-        console.log("New unverified sessions: " + Array.from(newUnverifiedDeviceIds).join(','));
+        logger.log("Old unverified sessions: " + Array.from(oldUnverifiedDeviceIds).join(','));
+        logger.log("New unverified sessions: " + Array.from(newUnverifiedDeviceIds).join(','));
 
         // Display or hide the batch toast for old unverified sessions
         if (oldUnverifiedDeviceIds.size > 0) {

src/IdentityAuthClient.js

@@ -29,6 +29,8 @@ import {
 } from './utils/IdentityServerUtils';
 import { abbreviateUrl } from './utils/UrlUtils';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export class AbortedIdentityActionError extends Error {}
 
 export default class IdentityAuthClient {
@@ -127,7 +129,7 @@ export default class IdentityAuthClient {
             await this._matrixClient.getIdentityAccount(token);
         } catch (e) {
             if (e.errcode === "M_TERMS_NOT_SIGNED") {
-                console.log("Identity server requires new terms to be agreed to");
+                logger.log("Identity server requires new terms to be agreed to");
                 await startTermsFlow([new Service(
                     SERVICE_TYPES.IS,
                     identityServerUrl,
@@ -141,7 +143,7 @@ export default class IdentityAuthClient {
         if (
             !this.tempClient &&
             !doesAccountDataHaveIdentityServer() &&
-            !await doesIdentityServerHaveTerms(identityServerUrl)
+            !(await doesIdentityServerHaveTerms(identityServerUrl))
         ) {
             const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
             const { finished } = Modal.createTrackedDialog('Default identity server terms warning', '',

src/Lifecycle.ts

@@ -58,6 +58,8 @@ import LazyLoadingDisabledDialog from "./components/views/dialogs/LazyLoadingDis
 import SessionRestoreErrorDialog from "./components/views/dialogs/SessionRestoreErrorDialog";
 import StorageEvictedDialog from "./components/views/dialogs/StorageEvictedDialog";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const HOMESERVER_URL_KEY = "mx_hs_url";
 const ID_SERVER_URL_KEY = "mx_is_url";
 
@@ -118,7 +120,7 @@ export async function loadSession(opts: ILoadSessionOpts = {}): Promise<boolean>
             fragmentQueryParams.guest_user_id &&
             fragmentQueryParams.guest_access_token
         ) {
-            console.log("Using guest access credentials");
+            logger.log("Using guest access credentials");
             return doSetLoggedIn({
                 userId: fragmentQueryParams.guest_user_id as string,
                 accessToken: fragmentQueryParams.guest_access_token as string,
@@ -204,7 +206,7 @@ export function attemptTokenLogin(
             initial_device_display_name: defaultDeviceDisplayName,
         },
     ).then(function(creds) {
-        console.log("Logged in with token");
+        logger.log("Logged in with token");
         return clearStorage().then(async () => {
             await persistCredentials(creds);
             // remember that we just logged in
@@ -273,7 +275,7 @@ function registerAsGuest(
     isUrl: string,
     defaultDeviceDisplayName: string,
 ): Promise<boolean> {
-    console.log(`Doing guest login on ${hsUrl}`);
+    logger.log(`Doing guest login on ${hsUrl}`);
 
     // create a temporary MatrixClient to do the login
     const client = createClient({
@@ -285,7 +287,7 @@ function registerAsGuest(
             initial_device_display_name: defaultDeviceDisplayName,
         },
     }).then((creds) => {
-        console.log(`Registered as guest: ${creds.user_id}`);
+        logger.log(`Registered as guest: ${creds.user_id}`);
         return doSetLoggedIn({
             userId: creds.user_id,
             deviceId: creds.device_id,
@@ -411,27 +413,27 @@ export async function restoreFromLocalStorage(opts?: { ignoreGuest?: boolean }):
 
     if (accessToken && userId && hsUrl) {
         if (ignoreGuest && isGuest) {
-            console.log("Ignoring stored guest account: " + userId);
+            logger.log("Ignoring stored guest account: " + userId);
             return false;
         }
 
         let decryptedAccessToken = accessToken;
         const pickleKey = await PlatformPeg.get().getPickleKey(userId, deviceId);
         if (pickleKey) {
-            console.log("Got pickle key");
+            logger.log("Got pickle key");
             if (typeof accessToken !== "string") {
                 const encrKey = await pickleKeyToAesKey(pickleKey);
                 decryptedAccessToken = await decryptAES(accessToken, encrKey, "access_token");
                 encrKey.fill(0);
             }
         } else {
-            console.log("No pickle key available");
+            logger.log("No pickle key available");
         }
 
         const freshLogin = sessionStorage.getItem("mx_fresh_login") === "true";
         sessionStorage.removeItem("mx_fresh_login");
 
-        console.log(`Restoring session for ${userId}`);
+        logger.log(`Restoring session for ${userId}`);
         await doSetLoggedIn({
             userId: userId,
             deviceId: deviceId,
@@ -444,7 +446,7 @@ export async function restoreFromLocalStorage(opts?: { ignoreGuest?: boolean }):
         }, false);
         return true;
     } else {
-        console.log("No previous session found.");
+        logger.log("No previous session found.");
         return false;
     }
 }
@@ -488,9 +490,9 @@ export async function setLoggedIn(credentials: IMatrixClientCreds): Promise<Matr
         : null;
 
     if (pickleKey) {
-        console.log("Created pickle key");
+        logger.log("Created pickle key");
     } else {
-        console.log("Pickle key not created");
+        logger.log("Pickle key not created");
     }
 
     return doSetLoggedIn(Object.assign({}, credentials, { pickleKey }), true);
@@ -544,7 +546,7 @@ async function doSetLoggedIn(
 
     const softLogout = isSoftLogout();
 
-    console.log(
+    logger.log(
         "setLoggedIn: mxid: " + credentials.userId +
         " deviceId: " + credentials.deviceId +
         " guest: " + credentials.guest +
@@ -689,7 +691,7 @@ async function persistCredentials(credentials: IMatrixClientCreds): Promise<void
 
     SecurityCustomisations.persistCredentials?.(credentials);
 
-    console.log(`Session persisted for ${credentials.userId}`);
+    logger.log(`Session persisted for ${credentials.userId}`);
 }
 
 let _isLoggingOut = false;
@@ -726,7 +728,7 @@ export function logout(): void {
             // token still valid, but we should fix this by having access
             // tokens expire (and if you really think you've been compromised,
             // change your password).
-            console.log("Failed to call logout API: token will not be invalidated");
+            logger.log("Failed to call logout API: token will not be invalidated");
             onLoggedOut();
         },
     );
@@ -742,7 +744,7 @@ export function softLogout(): void {
 
     // Dev note: please keep this log line around. It can be useful for track down
     // random clients stopping in the middle of the logs.
-    console.log("Soft logout initiated");
+    logger.log("Soft logout initiated");
     _isLoggingOut = true; // to avoid repeated flags
     // Ensure that we dispatch a view change **before** stopping the client so
     // so that React components unmount first. This avoids React soft crashes
@@ -768,7 +770,7 @@ export function isLoggingOut(): boolean {
  * syncing the client.
  */
 async function startMatrixClient(startSyncing = true): Promise<void> {
-    console.log(`Lifecycle: Starting MatrixClient`);
+    logger.log(`Lifecycle: Starting MatrixClient`);
 
     // dispatch this before starting the matrix client: it's used
     // to add listeners for the 'sync' event so otherwise we'd have

src/Login.ts

@@ -21,6 +21,8 @@ import { MatrixClient } from "matrix-js-sdk/src/client";
 import { IMatrixClientCreds } from "./MatrixClientPeg";
 import SecurityCustomisations from "./customisations/Security";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface ILoginOptions {
     defaultDeviceDisplayName?: string;
 }
@@ -166,7 +168,7 @@ export default class Login {
             return sendLoginRequest(
                 this.fallbackHsUrl, this.isUrl, 'm.login.password', loginParams,
             ).catch((fallbackError) => {
-                console.log("fallback HS login failed", fallbackError);
+                logger.log("fallback HS login failed", fallbackError);
                 // throw the original error
                 throw originalError;
             });
@@ -184,7 +186,7 @@ export default class Login {
             }
             throw originalLoginError;
         }).catch((error) => {
-            console.log("Login failed", error);
+            logger.log("Login failed", error);
             throw error;
         });
     }
@@ -218,12 +220,12 @@ export async function sendLoginRequest(
     if (wellknown) {
         if (wellknown["m.homeserver"] && wellknown["m.homeserver"]["base_url"]) {
             hsUrl = wellknown["m.homeserver"]["base_url"];
-            console.log(`Overrode homeserver setting with ${hsUrl} from login response`);
+            logger.log(`Overrode homeserver setting with ${hsUrl} from login response`);
         }
         if (wellknown["m.identity_server"] && wellknown["m.identity_server"]["base_url"]) {
             // TODO: should we prompt here?
             isUrl = wellknown["m.identity_server"]["base_url"];
-            console.log(`Overrode IS setting with ${isUrl} from login response`);
+            logger.log(`Overrode IS setting with ${isUrl} from login response`);
         }
     }
 

src/MatrixClientPeg.ts

@@ -36,6 +36,8 @@ import { crossSigningCallbacks, tryToUnlockSecretStorageWithDehydrationKey } fro
 import { SHOW_QR_CODE_METHOD } from "matrix-js-sdk/src/crypto/verification/QRCode";
 import SecurityCustomisations from "./customisations/Security";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export interface IMatrixClientCreds {
     homeserverUrl: string;
     identityServerUrl: string;
@@ -166,7 +168,7 @@ class MatrixClientPegClass implements IMatrixClientPeg {
         for (const dbType of ['indexeddb', 'memory']) {
             try {
                 const promise = this.matrixClient.store.startup();
-                console.log("MatrixClientPeg: waiting for MatrixClient store to initialise");
+                logger.log("MatrixClientPeg: waiting for MatrixClient store to initialise");
                 await promise;
                 break;
             } catch (err) {
@@ -225,9 +227,9 @@ class MatrixClientPegClass implements IMatrixClientPeg {
     public async start(): Promise<any> {
         const opts = await this.assign();
 
-        console.log(`MatrixClientPeg: really starting MatrixClient`);
+        logger.log(`MatrixClientPeg: really starting MatrixClient`);
         await this.get().startClient(opts);
-        console.log(`MatrixClientPeg: MatrixClient started`);
+        logger.log(`MatrixClientPeg: MatrixClient started`);
     }
 
     public getCredentials(): IMatrixClientCreds {

src/Notifier.ts

@@ -38,6 +38,8 @@ import UserActivity from "./UserActivity";
 import { mediaFromMxc } from "./customisations/Media";
 import ErrorDialog from "./components/views/dialogs/ErrorDialog";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 /*
  * Dispatches:
  * {
@@ -160,7 +162,7 @@ export const Notifier = {
 
     _playAudioNotification: async function(ev: MatrixEvent, room: Room) {
         const sound = this.getSoundForRoom(room.roomId);
-        console.log(`Got sound ${sound && sound.name || "default"} for ${room.roomId}`);
+        logger.log(`Got sound ${sound && sound.name || "default"} for ${room.roomId}`);
 
         try {
             const selector =

src/PosthogAnalytics.ts

@@ -21,6 +21,8 @@ import SettingsStore from './settings/SettingsStore';
 import { MatrixClientPeg } from "./MatrixClientPeg";
 import { MatrixClient } from "matrix-js-sdk/src/client";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 /* Posthog analytics tracking.
  *
  * Anonymity behaviour is as follows:
@@ -175,7 +177,7 @@ export class PosthogAnalytics {
         // $redacted_current_url is injected by this class earlier in capture(), as its generation
         // is async and can't be done in this non-async callback.
         if (!properties['$redacted_current_url']) {
-            console.log("$redacted_current_url not set in sanitizeProperties, will drop $current_url entirely");
+            logger.log("$redacted_current_url not set in sanitizeProperties, will drop $current_url entirely");
         }
         properties['$current_url'] = properties['$redacted_current_url'];
         delete properties['$redacted_current_url'];
@@ -291,7 +293,7 @@ export class PosthogAnalytics {
             } catch (e) {
                 // The above could fail due to network requests, but not essential to starting the application,
                 // so swallow it.
-                console.log("Unable to identify user for tracking" + e.toString());
+                logger.log("Unable to identify user for tracking" + e.toString());
             }
         }
     }

src/Resend.ts

@@ -20,6 +20,8 @@ import { Room } from 'matrix-js-sdk/src/models/room';
 import { MatrixClientPeg } from './MatrixClientPeg';
 import dis from './dispatcher/dispatcher';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export default class Resend {
     static resendUnsentEvents(room: Room): Promise<void[]> {
         return Promise.all(room.getPendingEvents().filter(function(ev: MatrixEvent) {
@@ -47,7 +49,7 @@ export default class Resend {
         }, function(err: Error) {
             // XXX: temporary logging to try to diagnose
             // https://github.com/vector-im/element-web/issues/3148
-            console.log('Resend got send failure: ' + err.name + '(' + err + ')');
+            logger.log('Resend got send failure: ' + err.name + '(' + err + ')');
         });
     }
 

src/ScalarAuthClient.ts

@@ -25,6 +25,8 @@ import { WidgetType } from "./widgets/WidgetType";
 import { SERVICE_TYPES } from "matrix-js-sdk/src/service-types";
 import { Room } from "matrix-js-sdk/src/models/room";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 // The version of the integration manager API we're intending to work with
 const imApiVersion = "1.1";
 
@@ -136,7 +138,7 @@ export default class ScalarAuthClient {
             return token;
         }).catch((e) => {
             if (e instanceof TermsNotSignedError) {
-                console.log("Integration manager requires new terms to be agreed to");
+                logger.log("Integration manager requires new terms to be agreed to");
                 // The terms endpoints are new and so live on standard _matrix prefixes,
                 // but IM rest urls are currently configured with paths, so remove the
                 // path from the base URL before passing it to the js-sdk

src/ScalarMessaging.js

@@ -245,6 +245,8 @@ import { IntegrationManagers } from "./integrations/IntegrationManagers";
 import { WidgetType } from "./widgets/WidgetType";
 import { objectClone } from "./utils/objects";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 function sendResponse(event, res) {
     const data = objectClone(event.data);
     data.response = res;
@@ -266,7 +268,7 @@ function sendError(event, msg, nestedError) {
 }
 
 function inviteUser(event, roomId, userId) {
-    console.log(`Received request to invite ${userId} into room ${roomId}`);
+    logger.log(`Received request to invite ${userId} into room ${roomId}`);
     const client = MatrixClientPeg.get();
     if (!client) {
         sendError(event, _t('You need to be logged in.'));
@@ -400,7 +402,7 @@ function setPlumbingState(event, roomId, status) {
     if (typeof status !== 'string') {
         throw new Error('Plumbing state status should be a string');
     }
-    console.log(`Received request to set plumbing state to status "${status}" in room ${roomId}`);
+    logger.log(`Received request to set plumbing state to status "${status}" in room ${roomId}`);
     const client = MatrixClientPeg.get();
     if (!client) {
         sendError(event, _t('You need to be logged in.'));
@@ -416,7 +418,7 @@ function setPlumbingState(event, roomId, status) {
 }
 
 function setBotOptions(event, roomId, userId) {
-    console.log(`Received request to set options for bot ${userId} in room ${roomId}`);
+    logger.log(`Received request to set options for bot ${userId} in room ${roomId}`);
     const client = MatrixClientPeg.get();
     if (!client) {
         sendError(event, _t('You need to be logged in.'));
@@ -437,7 +439,7 @@ function setBotPower(event, roomId, userId, level) {
         return;
     }
 
-    console.log(`Received request to set power level to ${level} for bot ${userId} in room ${roomId}.`);
+    logger.log(`Received request to set power level to ${level} for bot ${userId} in room ${roomId}.`);
     const client = MatrixClientPeg.get();
     if (!client) {
         sendError(event, _t('You need to be logged in.'));
@@ -463,17 +465,17 @@ function setBotPower(event, roomId, userId, level) {
 }
 
 function getMembershipState(event, roomId, userId) {
-    console.log(`membership_state of ${userId} in room ${roomId} requested.`);
+    logger.log(`membership_state of ${userId} in room ${roomId} requested.`);
     returnStateEvent(event, roomId, "m.room.member", userId);
 }
 
 function getJoinRules(event, roomId) {
-    console.log(`join_rules of ${roomId} requested.`);
+    logger.log(`join_rules of ${roomId} requested.`);
     returnStateEvent(event, roomId, "m.room.join_rules", "");
 }
 
 function botOptions(event, roomId, userId) {
-    console.log(`bot_options of ${userId} in room ${roomId} requested.`);
+    logger.log(`bot_options of ${userId} in room ${roomId} requested.`);
     returnStateEvent(event, roomId, "m.room.bot.options", "_" + userId);
 }
 

src/SecurityManager.ts

@@ -31,6 +31,8 @@ import SettingsStore from "./settings/SettingsStore";
 import SecurityCustomisations from "./customisations/Security";
 import { DeviceTrustLevel } from 'matrix-js-sdk/src/crypto/CrossSigning';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 // This stores the secret storage private keys in memory for the JS SDK. This is
 // only meant to act as a cache to avoid prompting the user multiple times
 // during the same single operation. Use `accessSecretStorage` below to scope a
@@ -136,7 +138,7 @@ async function getSecretStorageKey(
 
     const keyFromCustomisations = SecurityCustomisations.getSecretStorageKey?.();
     if (keyFromCustomisations) {
-        console.log("Using key from security customisations (secret storage)");
+        logger.log("Using key from security customisations (secret storage)");
         cacheSecretStorageKey(keyId, keyInfo, keyFromCustomisations);
         return [keyId, keyFromCustomisations];
     }
@@ -186,7 +188,7 @@ export async function getDehydrationKey(
 ): Promise<Uint8Array> {
     const keyFromCustomisations = SecurityCustomisations.getSecretStorageKey?.();
     if (keyFromCustomisations) {
-        console.log("Using key from security customisations (dehydration)");
+        logger.log("Using key from security customisations (dehydration)");
         return keyFromCustomisations;
     }
 
@@ -248,13 +250,13 @@ async function onSecretRequested(
     name: string,
     deviceTrust: DeviceTrustLevel,
 ): Promise<string> {
-    console.log("onSecretRequested", userId, deviceId, requestId, name, deviceTrust);
+    logger.log("onSecretRequested", userId, deviceId, requestId, name, deviceTrust);
     const client = MatrixClientPeg.get();
     if (userId !== client.getUserId()) {
         return;
     }
     if (!deviceTrust || !deviceTrust.isVerified()) {
-        console.log(`Ignoring secret request from untrusted device ${deviceId}`);
+        logger.log(`Ignoring secret request from untrusted device ${deviceId}`);
         return;
     }
     if (
@@ -267,7 +269,7 @@ async function onSecretRequested(
         const keyId = name.replace("m.cross_signing.", "");
         const key = await callbacks.getCrossSigningKeyCache(keyId);
         if (!key) {
-            console.log(
+            logger.log(
                 `${keyId} requested by ${deviceId}, but not found in cache`,
             );
         }
@@ -275,7 +277,7 @@ async function onSecretRequested(
     } else if (name === "m.megolm_backup.v1") {
         const key = await client.crypto.getSessionBackupPrivateKey();
         if (!key) {
-            console.log(
+            logger.log(
                 `session backup key requested by ${deviceId}, but not found in cache`,
             );
         }
@@ -329,7 +331,7 @@ export async function accessSecretStorage(func = async () => { }, forceReset = f
     const cli = MatrixClientPeg.get();
     secretStorageBeingAccessed = true;
     try {
-        if (!await cli.hasSecretStorageKey() || forceReset) {
+        if (!(await cli.hasSecretStorageKey()) || forceReset) {
             // This dialog calls bootstrap itself after guiding the user through
             // passphrase creation.
             const { finished } = Modal.createTrackedDialogAsync('Create Secret Storage dialog', '',
@@ -383,12 +385,12 @@ export async function accessSecretStorage(func = async () => { }, forceReset = f
                 if (secretStorageKeyInfo[keyId] && secretStorageKeyInfo[keyId].passphrase) {
                     dehydrationKeyInfo = { passphrase: secretStorageKeyInfo[keyId].passphrase };
                 }
-                console.log("Setting dehydration key");
+                logger.log("Setting dehydration key");
                 await cli.setDehydrationKey(secretStorageKeys[keyId], dehydrationKeyInfo, "Backup device");
             } else if (!keyId) {
                 console.warn("Not setting dehydration key: no SSSS key found");
             } else {
-                console.log("Not setting dehydration key: feature disabled");
+                logger.log("Not setting dehydration key: feature disabled");
             }
         }
 
@@ -416,8 +418,8 @@ export async function tryToUnlockSecretStorageWithDehydrationKey(
 ): Promise<void> {
     const key = dehydrationCache.key;
     let restoringBackup = false;
-    if (key && await client.isSecretStorageReady()) {
-        console.log("Trying to set up cross-signing using dehydration key");
+    if (key && (await client.isSecretStorageReady())) {
+        logger.log("Trying to set up cross-signing using dehydration key");
         secretStorageBeingAccessed = true;
         nonInteractive = true;
         try {

src/SlashCommands.tsx

@@ -55,6 +55,8 @@ import RoomUpgradeWarningDialog from "./components/views/dialogs/RoomUpgradeWarn
 import InfoDialog from "./components/views/dialogs/InfoDialog";
 import SlashCommandHelpDialog from "./components/views/dialogs/SlashCommandHelpDialog";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 // XXX: workaround for https://github.com/microsoft/TypeScript/issues/31816
 interface HTMLInputEvent extends Event {
     target: HTMLInputElement & EventTarget;
@@ -291,7 +293,7 @@ export const Commands = [
                 const cli = MatrixClientPeg.get();
                 const ev = cli.getRoom(roomId).currentState.getStateEvents('m.room.member', cli.getUserId());
                 const content = {
-                    ...ev ? ev.getContent() : { membership: 'join' },
+                    ...(ev ? ev.getContent() : { membership: 'join' }),
                     displayname: args,
                 };
                 return success(cli.sendStateEvent(roomId, 'm.room.member', content, cli.getUserId()));
@@ -335,7 +337,7 @@ export const Commands = [
                 if (!url) return;
                 const ev = room.currentState.getStateEvents('m.room.member', userId);
                 const content = {
-                    ...ev ? ev.getContent() : { membership: 'join' },
+                    ...(ev ? ev.getContent() : { membership: 'join' }),
                     avatar_url: url,
                 };
                 return cli.sendStateEvent(roomId, 'm.room.member', content, userId);
@@ -801,7 +803,7 @@ export const Commands = [
                     const iframe = embed.childNodes[0] as ChildElement;
                     if (iframe.tagName.toLowerCase() === 'iframe' && iframe.attrs) {
                         const srcAttr = iframe.attrs.find(a => a.name === 'src');
-                        console.log("Pulling URL out of iframe (embed code)");
+                        logger.log("Pulling URL out of iframe (embed code)");
                         widgetUrl = srcAttr.value;
                     }
                 }
@@ -821,7 +823,7 @@ export const Commands = [
                 // Make the widget a Jitsi widget if it looks like a Jitsi widget
                 const jitsiData = Jitsi.getInstance().parsePreferredConferenceUrl(widgetUrl);
                 if (jitsiData) {
-                    console.log("Making /addwidget widget a Jitsi conference");
+                    logger.log("Making /addwidget widget a Jitsi conference");
                     type = WidgetType.JITSI;
                     name = "Jitsi Conference";
                     data = jitsiData;

src/Terms.ts

@@ -21,6 +21,8 @@ import { MatrixClientPeg } from './MatrixClientPeg';
 import * as sdk from '.';
 import Modal from './Modal';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export class TermsNotSignedError extends Error {}
 
 /**
@@ -140,11 +142,11 @@ export async function startTermsFlow(
     const numAcceptedBeforeAgreement = agreedUrlSet.size;
     if (unagreedPoliciesAndServicePairs.length > 0) {
         const newlyAgreedUrls = await interactionCallback(unagreedPoliciesAndServicePairs, [...agreedUrlSet]);
-        console.log("User has agreed to URLs", newlyAgreedUrls);
+        logger.log("User has agreed to URLs", newlyAgreedUrls);
         // Merge with previously agreed URLs
         newlyAgreedUrls.forEach(url => agreedUrlSet.add(url));
     } else {
-        console.log("User has already agreed to all required policies");
+        logger.log("User has already agreed to all required policies");
     }
 
     // We only ever add to the set of URLs, so if anything has changed then we'd see a different length
@@ -188,7 +190,7 @@ export function dialogTermsInteractionCallback(
     extraClassNames?: string,
 ): Promise<string[]> {
     return new Promise((resolve, reject) => {
-        console.log("Terms that need agreement", policiesAndServicePairs);
+        logger.log("Terms that need agreement", policiesAndServicePairs);
         // FIXME: Using an import will result in test failures
         const TermsDialog = sdk.getComponent("views.dialogs.TermsDialog");
 

src/VoipUserMapper.ts

@@ -20,6 +20,8 @@ import DMRoomMap from "./utils/DMRoomMap";
 import CallHandler, { VIRTUAL_ROOM_EVENT_TYPE } from './CallHandler';
 import { Room } from 'matrix-js-sdk/src/models/room';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 // Functions for mapping virtual users & rooms. Currently the only lookup
 // is sip virtual: there could be others in the future.
 
@@ -59,7 +61,7 @@ export default class VoipUserMapper {
     public nativeRoomForVirtualRoom(roomId: string): string {
         const cachedNativeRoomId = this.virtualToNativeRoomIdCache.get(roomId);
         if (cachedNativeRoomId) {
-            console.log(
+            logger.log(
                 "Returning native room ID " + cachedNativeRoomId + " for virtual room ID " + roomId + " from cache",
             );
             return cachedNativeRoomId;
@@ -98,7 +100,7 @@ export default class VoipUserMapper {
         if (!CallHandler.sharedInstance().getSupportsVirtualRooms()) return;
 
         const inviterId = invitedRoom.getDMInviter();
-        console.log(`Checking virtual-ness of room ID ${invitedRoom.roomId}, invited by ${inviterId}`);
+        logger.log(`Checking virtual-ness of room ID ${invitedRoom.roomId}, invited by ${inviterId}`);
         const result = await CallHandler.sharedInstance().sipNativeLookup(inviterId);
         if (result.length === 0) {
             return;

src/async-components/views/dialogs/eventindex/ManageEventIndexDialog.tsx

@@ -26,10 +26,9 @@ import { SettingLevel } from "../../../../settings/SettingLevel";
 import Field from '../../../../components/views/elements/Field';
 import BaseDialog from "../../../../components/views/dialogs/BaseDialog";
 import DialogButtons from "../../../../components/views/elements/DialogButtons";
+import { IDialogProps } from "../../../../components/views/dialogs/IDialogProps";
 
-interface IProps {
-    onFinished: (confirmed: boolean) => void;
-}
+interface IProps extends IDialogProps {}
 
 interface IState {
     eventIndexSize: number;

src/async-components/views/dialogs/security/CreateSecretStorageDialog.js

@@ -34,6 +34,8 @@ import RestoreKeyBackupDialog from "../../../../components/views/dialogs/securit
 import { getSecureBackupSetupMethods, isSecureBackupRequired } from '../../../../utils/WellKnownUtils';
 import SecurityCustomisations from "../../../../customisations/Security";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const PHASE_LOADING = 0;
 const PHASE_LOADERROR = 1;
 const PHASE_CHOOSE_KEY_PASSPHRASE = 2;
@@ -122,7 +124,7 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
     _getInitialPhase() {
         const keyFromCustomisations = SecurityCustomisations.createSecretStorageKey?.();
         if (keyFromCustomisations) {
-            console.log("Created key via customisations, jumping to bootstrap step");
+            logger.log("Created key via customisations, jumping to bootstrap step");
             this._recoveryKey = {
                 privateKey: keyFromCustomisations,
             };
@@ -138,7 +140,7 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
             const backupInfo = await MatrixClientPeg.get().getKeyBackupVersion();
             const backupSigStatus = (
                 // we may not have started crypto yet, in which case we definitely don't trust the backup
-                MatrixClientPeg.get().isCryptoEnabled() && await MatrixClientPeg.get().isKeyBackupTrusted(backupInfo)
+                MatrixClientPeg.get().isCryptoEnabled() && (await MatrixClientPeg.get().isKeyBackupTrusted(backupInfo))
             );
 
             const { forceReset } = this.props;
@@ -165,10 +167,10 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
             // We should never get here: the server should always require
             // UI auth to upload device signing keys. If we do, we upload
             // no keys which would be a no-op.
-            console.log("uploadDeviceSigningKeys unexpectedly succeeded without UI auth!");
+            logger.log("uploadDeviceSigningKeys unexpectedly succeeded without UI auth!");
         } catch (error) {
             if (!error.data || !error.data.flows) {
-                console.log("uploadDeviceSigningKeys advertised no flows!");
+                logger.log("uploadDeviceSigningKeys advertised no flows!");
                 return;
             }
             const canUploadKeysWithPasswordOnly = error.data.flows.some(f => {
@@ -304,7 +306,7 @@ export default class CreateSecretStorageDialog extends React.PureComponent {
 
         try {
             if (forceReset) {
-                console.log("Forcing secret storage reset");
+                logger.log("Forcing secret storage reset");
                 await cli.bootstrapSecretStorage({
                     createSecretStorageKey: async () => this._recoveryKey,
                     setupNewKeyBackup: true,

src/audio/Playback.ts

@@ -23,6 +23,8 @@ import { PlaybackClock } from "./PlaybackClock";
 import { createAudioContext, decodeOgg } from "./compat";
 import { clamp } from "../utils/numbers";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export enum PlaybackState {
     Decoding = "decoding",
     Stopped = "stopped", // no progress on timeline
@@ -139,7 +141,7 @@ export class Playback extends EventEmitter implements IDestroyable {
         // audio buffer in memory, as that can balloon to far greater than the input buffer's
         // byte length.
         if (this.buf.byteLength > 5 * 1024 * 1024) { // 5mb
-            console.log("Audio file too large: processing through <audio /> element");
+            logger.log("Audio file too large: processing through <audio /> element");
             this.element = document.createElement("AUDIO") as HTMLAudioElement;
             const prom = new Promise((resolve, reject) => {
                 this.element.onloadeddata = () => resolve(null);

src/audio/compat.ts

@@ -21,6 +21,8 @@ import decoderWasmPath from 'opus-recorder/dist/decoderWorker.min.wasm';
 import wavEncoderPath from 'opus-recorder/dist/waveWorker.min.js';
 import decoderPath from 'opus-recorder/dist/decoderWorker.min.js';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export function createAudioContext(opts?: AudioContextOptions): AudioContext {
     if (window.AudioContext) {
         return new AudioContext(opts);
@@ -38,7 +40,7 @@ export function decodeOgg(audioBuffer: ArrayBuffer): Promise<ArrayBuffer> {
     // Condensed version of decoder example, using a promise:
     // https://github.com/chris-rudmin/opus-recorder/blob/master/example/decoder.html
     return new Promise((resolve) => { // no reject because the workers don't seem to have a fail path
-        console.log("Decoder WASM path: " + decoderWasmPath); // so we use the variable (avoid tree shake)
+        logger.log("Decoder WASM path: " + decoderWasmPath); // so we use the variable (avoid tree shake)
         const typedArray = new Uint8Array(audioBuffer);
         const decoderWorker = new Worker(decoderPath);
         const wavWorker = new Worker(wavEncoderPath);

src/components/structures/LeftPanelWidget.tsx

@@ -76,7 +76,6 @@ const LeftPanelWidget: React.FC = () => {
             <AppTile
                 app={app}
                 fullWidth
-                show
                 showMenubar={false}
                 userWidget
                 userId={cli.getUserId()}

src/components/structures/MatrixChat.tsx

@@ -110,6 +110,8 @@ import { copyPlaintext } from "../../utils/strings";
 import { PosthogAnalytics } from '../../PosthogAnalytics';
 import { initSentry } from "../../sentry";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 /** constants for MatrixChat.state.view */
 export enum Views {
     // a special initial state which is only used at startup, while we are
@@ -893,12 +895,12 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         this.focusComposer = true;
 
         if (roomInfo.room_alias) {
-            console.log(
+            logger.log(
                 `Switching to room alias ${roomInfo.room_alias} at event ` +
                 roomInfo.event_id,
             );
         } else {
-            console.log(`Switching to room id ${roomInfo.room_id} at event ` +
+            logger.log(`Switching to room id ${roomInfo.room_id} at event ` +
                 roomInfo.event_id,
             );
         }
@@ -1407,7 +1409,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         // such as when laptops unsleep.
         // https://github.com/vector-im/element-web/issues/3307#issuecomment-282895568
         cli.setCanResetTimelineCallback((roomId) => {
-            console.log("Request to reset timeline in room ", roomId, " viewing:", this.state.currentRoomId);
+            logger.log("Request to reset timeline in room ", roomId, " viewing:", this.state.currentRoomId);
             if (roomId !== this.state.currentRoomId) {
                 // It is safe to remove events from rooms we are not viewing.
                 return true;

src/components/structures/MessagePanel.tsx

@@ -448,7 +448,9 @@ export default class MessagePanel extends React.Component<IProps, IState> {
         // Always show highlighted event
         if (this.props.highlightedEventId === mxEv.getId()) return true;
 
-        if (mxEv.replyInThread
+        // Checking if the message has a "parentEventId" as we do not
+        // want to hide the root event of the thread
+        if (mxEv.replyInThread && mxEv.parentEventId
                 && this.props.hideThreadedMessages
                 && SettingsStore.getValue("feature_thread")) {
             return false;

src/components/structures/RoomView.tsx

@@ -91,6 +91,8 @@ import JumpToBottomButton from "../views/rooms/JumpToBottomButton";
 import TopUnreadMessagesBar from "../views/rooms/TopUnreadMessagesBar";
 import SpaceStore from "../../stores/SpaceStore";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const DEBUG = false;
 let debuglog = function(msg: string) {};
 
@@ -98,7 +100,7 @@ const BROWSER_SUPPORTS_SANDBOX = 'sandbox' in document.createElement('iframe');
 
 if (DEBUG) {
     // using bind means that we get to keep useful line numbers in the console
-    debuglog = console.log.bind(console);
+    debuglog = logger.log.bind(console);
 }
 
 interface IProps {
@@ -380,7 +382,7 @@ export default class RoomView extends React.Component<IProps, IState> {
         }
 
         // Temporary logging to diagnose https://github.com/vector-im/element-web/issues/4307
-        console.log(
+        logger.log(
             'RVS update:',
             newState.roomId,
             newState.roomAlias,
@@ -1399,7 +1401,7 @@ export default class RoomView extends React.Component<IProps, IState> {
                 // As per the spec, an all rooms search can create this condition,
                 // it happens with Seshat but not Synapse.
                 // It will make the result count not match the displayed count.
-                console.log("Hiding search result from an unknown room", roomId);
+                logger.log("Hiding search result from an unknown room", roomId);
                 continue;
             }
 

src/components/structures/ScrollPanel.tsx

@@ -21,6 +21,8 @@ import { replaceableComponent } from "../../utils/replaceableComponent";
 import { getKeyBindingsManager, RoomAction } from "../../KeyBindingsManager";
 import ResizeNotifier from "../../utils/ResizeNotifier";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const DEBUG_SCROLL = false;
 
 // The amount of extra scroll distance to allow prior to unfilling.
@@ -38,7 +40,7 @@ const PAGE_SIZE = 400;
 let debuglog;
 if (DEBUG_SCROLL) {
     // using bind means that we get to keep useful line numbers in the console
-    debuglog = console.log.bind(console, "ScrollPanel debuglog:");
+    debuglog = logger.log.bind(console, "ScrollPanel debuglog:");
 } else {
     debuglog = function() {};
 }

src/components/structures/SpaceRoomView.tsx

@@ -80,6 +80,8 @@ import Spinner from "../views/elements/Spinner";
 import GroupAvatar from "../views/avatars/GroupAvatar";
 import { useDispatcher } from "../../hooks/useDispatcher";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IProps {
     space: Room;
     justCreatedOpts?: IOpts;
@@ -696,7 +698,7 @@ const SpaceSetupPrivateInvite = ({ space, onFinished }) => {
 
             const failedUsers = Object.keys(result.states).filter(a => result.states[a] === "error");
             if (failedUsers.length > 0) {
-                console.log("Failed to invite users to space: ", result);
+                logger.log("Failed to invite users to space: ", result);
                 setError(_t("Failed to invite the following users to your space: %(csvUsers)s", {
                     csvUsers: failedUsers.join(", "),
                 }));

src/components/structures/TimelinePanel.tsx

@@ -49,6 +49,8 @@ import EditorStateTransfer from '../../utils/EditorStateTransfer';
 import ErrorDialog from '../views/dialogs/ErrorDialog';
 import { debounce } from 'lodash';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const PAGINATE_SIZE = 20;
 const INITIAL_SIZE = 20;
 const READ_RECEIPT_INTERVAL_MS = 500;
@@ -60,7 +62,7 @@ const DEBUG = false;
 let debuglog = function(...s: any[]) {};
 if (DEBUG) {
     // using bind means that we get to keep useful line numbers in the console
-    debuglog = console.log.bind(console);
+    debuglog = logger.log.bind(console);
 }
 
 interface IProps {
@@ -316,7 +318,7 @@ class TimelinePanel extends React.Component<IProps, IState> {
         const differentEventId = newProps.eventId != this.props.eventId;
         const differentHighlightedEventId = newProps.highlightedEventId != this.props.highlightedEventId;
         if (differentEventId || differentHighlightedEventId) {
-            console.log("TimelinePanel switching to eventId " + newProps.eventId +
+            logger.log("TimelinePanel switching to eventId " + newProps.eventId +
                         " (was " + this.props.eventId + ")");
             return this.initTimeline(newProps);
         }
@@ -1098,7 +1100,7 @@ class TimelinePanel extends React.Component<IProps, IState> {
                     // we're in a setState callback, and we know
                     // timelineLoading is now false, so render() should have
                     // mounted the message panel.
-                    console.log("can't initialise scroll state because " +
+                    logger.log("can't initialise scroll state because " +
                                 "messagePanel didn't load");
                     return;
                 }

src/components/structures/UserMenu.tsx

@@ -59,6 +59,7 @@ import RoomName from "../views/elements/RoomName";
 import { replaceableComponent } from "../../utils/replaceableComponent";
 import InlineSpinner from "../views/elements/InlineSpinner";
 import TooltipButton from "../views/elements/TooltipButton";
+import { logger } from "matrix-js-sdk/src/logger";
 interface IProps {
     isMinimized: boolean;
 }
@@ -239,7 +240,7 @@ export default class UserMenu extends React.Component<IProps, IState> {
 
         // TODO: Archived room view: https://github.com/vector-im/element-web/issues/14038
         // Note: You'll need to uncomment the button too.
-        console.log("TODO: Show archived rooms");
+        logger.log("TODO: Show archived rooms");
     };
 
     private onProvideFeedback = (ev: ButtonEvent) => {

src/components/structures/auth/Login.tsx

@@ -38,6 +38,8 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
 import AuthBody from "../../views/auth/AuthBody";
 import AuthHeader from "../../views/auth/AuthHeader";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 // These are used in several places, and come from the js-sdk's autodiscovery
 // stuff. We define them here so that they'll be picked up by i18n.
 _td("Invalid homeserver discovery response");
@@ -438,7 +440,7 @@ export default class LoginComponent extends React.PureComponent<IProps, IState>
         // technically the flow can have multiple steps, but no one does this
         // for login and loginLogic doesn't support it so we can ignore it.
         if (!this.stepRendererMap[flow.type]) {
-            console.log("Skipping flow", flow, "due to unsupported login type", flow.type);
+            logger.log("Skipping flow", flow, "due to unsupported login type", flow.type);
             return false;
         }
         return true;

src/components/structures/auth/Registration.tsx

@@ -37,6 +37,8 @@ import AuthHeader from "../../views/auth/AuthHeader";
 import InteractiveAuth from "../InteractiveAuth";
 import Spinner from "../../views/elements/Spinner";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IProps {
     serverConfig: ValidatedServerConfig;
     defaultDeviceDisplayName: string;
@@ -215,7 +217,7 @@ export default class Registration extends React.Component<IProps, IState> {
             if (!this.state.doingUIAuth) {
                 await this.makeRegisterRequest(null);
                 // This should never succeed since we specified no auth object.
-                console.log("Expecting 401 from register request but got success!");
+                logger.log("Expecting 401 from register request but got success!");
             }
         } catch (e) {
             if (e.httpStatus === 401) {
@@ -239,7 +241,7 @@ export default class Registration extends React.Component<IProps, IState> {
                     });
                 }
             } else {
-                console.log("Unable to query for supported registration methods.", e);
+                logger.log("Unable to query for supported registration methods.", e);
                 showGenericError(e);
             }
         }
@@ -330,7 +332,7 @@ export default class Registration extends React.Component<IProps, IState> {
         // the user had a separate guest session they didn't actually mean to replace.
         const [sessionOwner, sessionIsGuest] = await Lifecycle.getStoredSessionOwner();
         if (sessionOwner && !sessionIsGuest && sessionOwner !== response.userId) {
-            console.log(
+            logger.log(
                 `Found a session for ${sessionOwner} but ${response.userId} has just registered.`,
             );
             newState.differentLoggedInUserId = sessionOwner;
@@ -366,7 +368,7 @@ export default class Registration extends React.Component<IProps, IState> {
                     const emailPusher = pushers[i];
                     emailPusher.data = { brand: this.props.brand };
                     matrixClient.setPusher(emailPusher).then(() => {
-                        console.log("Set email branding to " + this.props.brand);
+                        logger.log("Set email branding to " + this.props.brand);
                     }, (error) => {
                         console.error("Couldn't set email branding: " + error);
                     });

src/components/structures/auth/SetupEncryptionBody.tsx

@@ -28,6 +28,8 @@ import Spinner from '../../views/elements/Spinner';
 import { IKeyBackupInfo } from "matrix-js-sdk/src/crypto/keybackup";
 import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 function keyHasPassphrase(keyInfo: ISecretStorageKeyInfo): boolean {
     return Boolean(
         keyInfo.passphrase &&
@@ -231,7 +233,7 @@ export default class SetupEncryptionBody extends React.Component<IProps, IState>
         } else if (phase === Phase.Busy || phase === Phase.Loading) {
             return <Spinner />;
         } else {
-            console.log(`SetupEncryptionBody: Unknown phase ${phase}`);
+            logger.log(`SetupEncryptionBody: Unknown phase ${phase}`);
         }
     }
 }

src/components/structures/auth/SoftLogout.tsx

@@ -32,6 +32,8 @@ import Spinner from "../../views/elements/Spinner";
 import AuthHeader from "../../views/auth/AuthHeader";
 import AuthBody from "../../views/auth/AuthBody";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const LOGIN_VIEW = {
     LOADING: 1,
     PASSWORD: 2,
@@ -103,7 +105,7 @@ export default class SoftLogout extends React.Component<IProps, IState> {
             onFinished: (wipeData) => {
                 if (!wipeData) return;
 
-                console.log("Clearing data from soft-logged-out session");
+                logger.log("Clearing data from soft-logged-out session");
                 Lifecycle.logout();
             },
         });

src/components/views/auth/CaptchaForm.tsx

@@ -19,6 +19,8 @@ import { _t } from '../../../languageHandler';
 import CountlyAnalytics from "../../../CountlyAnalytics";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const DIV_ID = 'mx_recaptcha';
 
 interface ICaptchaFormProps {
@@ -60,7 +62,7 @@ export default class CaptchaForm extends React.Component<ICaptchaFormProps, ICap
             // already loaded
             this.onCaptchaLoaded();
         } else {
-            console.log("Loading recaptcha script...");
+            logger.log("Loading recaptcha script...");
             window.mxOnRecaptchaLoaded = () => { this.onCaptchaLoaded(); };
             const scriptTag = document.createElement('script');
             scriptTag.setAttribute(
@@ -109,7 +111,7 @@ export default class CaptchaForm extends React.Component<ICaptchaFormProps, ICap
     }
 
     private onCaptchaLoaded() {
-        console.log("Loaded recaptcha script.");
+        logger.log("Loaded recaptcha script.");
         try {
             this.renderRecaptcha(DIV_ID);
             // clear error if re-rendered

src/components/views/auth/InteractiveAuthEntryComponents.tsx

@@ -29,6 +29,8 @@ import { LocalisedPolicy, Policies } from '../../../Terms';
 import Field from '../elements/Field';
 import CaptchaForm from "./CaptchaForm";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 /* This file contains a collection of components which are used by the
  * InteractiveAuth to prompt the user to enter the information needed
  * for an auth stage. (The intention is that they could also be used for other
@@ -555,7 +557,7 @@ export class MsisdnAuthEntry extends React.Component<IMsisdnAuthEntryProps, IMsi
             }
         } catch (e) {
             this.props.fail(e);
-            console.log("Failed to submit msisdn token");
+            logger.log("Failed to submit msisdn token");
         }
     };
 

src/components/views/dialogs/CreateSpaceFromCommunityDialog.tsx

@@ -125,14 +125,14 @@ const CreateSpaceFromCommunityDialog: React.FC<IProps> = ({ matrixClient: cli, g
         setBusy(true);
 
         // require & validate the space name field
-        if (!await spaceNameField.current.validate({ allowEmpty: false })) {
+        if (!(await spaceNameField.current.validate({ allowEmpty: false }))) {
             setBusy(false);
             spaceNameField.current.focus();
             spaceNameField.current.validate({ allowEmpty: false, focused: true });
             return;
         }
         // validate the space name alias field but do not require it
-        if (joinRule === JoinRule.Public && !await spaceAliasField.current.validate({ allowEmpty: true })) {
+        if (joinRule === JoinRule.Public && !(await spaceAliasField.current.validate({ allowEmpty: true }))) {
             setBusy(false);
             spaceAliasField.current.focus();
             spaceAliasField.current.validate({ allowEmpty: true, focused: true });

src/components/views/dialogs/CreateSubspaceDialog.tsx

@@ -64,14 +64,14 @@ const CreateSubspaceDialog: React.FC<IProps> = ({ space, onAddExistingSpaceClick
 
         setBusy(true);
         // require & validate the space name field
-        if (!await spaceNameField.current.validate({ allowEmpty: false })) {
+        if (!(await spaceNameField.current.validate({ allowEmpty: false }))) {
             spaceNameField.current.focus();
             spaceNameField.current.validate({ allowEmpty: false, focused: true });
             setBusy(false);
             return;
         }
         // validate the space name alias field but do not require it
-        if (joinRule === JoinRule.Public && !await spaceAliasField.current.validate({ allowEmpty: true })) {
+        if (joinRule === JoinRule.Public && !(await spaceAliasField.current.validate({ allowEmpty: true }))) {
             spaceAliasField.current.focus();
             spaceAliasField.current.validate({ allowEmpty: true, focused: true });
             setBusy(false);

src/components/views/dialogs/CryptoStoreTooNewDialog.tsx

@@ -23,10 +23,9 @@ import Modal from '../../../Modal';
 import BaseDialog from "./BaseDialog";
 import DialogButtons from "../elements/DialogButtons";
 import QuestionDialog from "./QuestionDialog";
+import { IDialogProps } from "./IDialogProps";
 
-interface IProps {
-    onFinished: (success: boolean) => void;
-}
+interface IProps extends IDialogProps {}
 
 const CryptoStoreTooNewDialog: React.FC<IProps> = (props: IProps) => {
     const brand = SdkConfig.get().brand;

src/components/views/dialogs/DevtoolsDialog.tsx

@@ -44,6 +44,8 @@ import { SettingLevel } from '../../../settings/SettingLevel';
 import BaseDialog from "./BaseDialog";
 import TruncatedList from "../elements/TruncatedList";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IGenericEditorProps {
     onBack: () => void;
 }
@@ -984,7 +986,7 @@ class SettingsExplorer extends React.PureComponent<IExplorerProps, ISettingsExpl
             const parsedExplicit = JSON.parse(this.state.explicitValues);
             const parsedExplicitRoom = JSON.parse(this.state.explicitRoomValues);
             for (const level of Object.keys(parsedExplicit)) {
-                console.log(`[Devtools] Setting value of ${settingId} at ${level} from user input`);
+                logger.log(`[Devtools] Setting value of ${settingId} at ${level} from user input`);
                 try {
                     const val = parsedExplicit[level];
                     await SettingsStore.setValue(settingId, null, level as SettingLevel, val);
@@ -994,7 +996,7 @@ class SettingsExplorer extends React.PureComponent<IExplorerProps, ISettingsExpl
             }
             const roomId = this.props.room.roomId;
             for (const level of Object.keys(parsedExplicit)) {
-                console.log(`[Devtools] Setting value of ${settingId} at ${level} in ${roomId} from user input`);
+                logger.log(`[Devtools] Setting value of ${settingId} at ${level} in ${roomId} from user input`);
                 try {
                     const val = parsedExplicitRoom[level];
                     await SettingsStore.setValue(settingId, roomId, level as SettingLevel, val);

src/components/views/dialogs/IncomingSasDialog.tsx

@@ -30,6 +30,8 @@ import { IDialogProps } from "./IDialogProps";
 import { IGeneratedSas, ISasEvent } from "matrix-js-sdk/src/crypto/verification/SAS";
 import { VerificationBase } from "matrix-js-sdk/src/crypto/verification/Base";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 const PHASE_START = 0;
 const PHASE_SHOW_SAS = 1;
 const PHASE_WAIT_FOR_PARTNER_TO_CONFIRM = 2;
@@ -61,7 +63,7 @@ export default class IncomingSasDialog extends React.Component<IProps, IState> {
 
         let phase = PHASE_START;
         if (this.props.verifier.hasBeenCancelled) {
-            console.log("Verifier was cancelled in the background.");
+            logger.log("Verifier was cancelled in the background.");
             phase = PHASE_CANCELLED;
         }
 
@@ -113,7 +115,7 @@ export default class IncomingSasDialog extends React.Component<IProps, IState> {
         this.props.verifier.verify().then(() => {
             this.setState({ phase: PHASE_VERIFIED });
         }).catch((e) => {
-            console.log("Verification failed", e);
+            logger.log("Verification failed", e);
         });
     };
 

src/components/views/dialogs/InviteDialog.tsx

@@ -73,6 +73,8 @@ import BaseDialog from "./BaseDialog";
 import DialPadBackspaceButton from "../elements/DialPadBackspaceButton";
 import SpaceStore from "../../../stores/SpaceStore";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 // we have a number of types defined from the Matrix spec which can't reasonably be altered here.
 /* eslint-disable camelcase */
 
@@ -775,7 +777,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
                             invitedUsers.push(addr);
                         }
                     }
-                    console.log("Sharing history with", invitedUsers);
+                    logger.log("Sharing history with", invitedUsers);
                     cli.sendSharedHistoryKeys(
                         this.props.roomId, invitedUsers,
                     );

src/components/views/dialogs/LeaveSpaceDialog.tsx

@@ -97,13 +97,13 @@ const LeaveRoomsPicker = ({ space, spaceChildren, roomsToLeave, setRoomsToLeave
             definitions={[
                 {
                     value: RoomsToLeave.None,
-                    label: _t("Don't leave any"),
+                    label: _t("Don't leave any rooms"),
                 }, {
                     value: RoomsToLeave.All,
-                    label: _t("Leave all rooms and spaces"),
+                    label: _t("Leave all rooms"),
                 }, {
                     value: RoomsToLeave.Specific,
-                    label: _t("Leave specific rooms and spaces"),
+                    label: _t("Leave some rooms"),
                 },
             ]}
         />
@@ -166,11 +166,13 @@ const LeaveSpaceDialog: React.FC<IProps> = ({ space, onFinished }) => {
     >
         <div className="mx_Dialog_content" id="mx_LeaveSpaceDialog">
             <p>
-                { _t("Are you sure you want to leave <spaceName/>?", {}, {
+                { _t("You are about to leave <spaceName/>.", {}, {
                     spaceName: () => <b>{ space.name }</b>,
                 }) }
                 &nbsp;
                 { rejoinWarning }
+                { rejoinWarning && (<>&nbsp;</>) }
+                { spaceChildren.length > 0 && _t("Would you like to leave the rooms in this space?") }
             </p>
 
             { spaceChildren.length > 0 && <LeaveRoomsPicker

src/components/views/dialogs/LogoutDialog.tsx

@@ -25,6 +25,8 @@ import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import RestoreKeyBackupDialog from './security/RestoreKeyBackupDialog';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IProps {
     onFinished: (success: boolean) => void;
 }
@@ -68,7 +70,7 @@ export default class LogoutDialog extends React.Component<IProps, IState> {
                 backupInfo,
             });
         } catch (e) {
-            console.log("Unable to fetch key backup status", e);
+            logger.log("Unable to fetch key backup status", e);
             this.setState({
                 loading: false,
                 error: e,

src/components/views/dialogs/UntrustedDeviceDialog.tsx

@@ -19,7 +19,7 @@ import { User } from "matrix-js-sdk/src/models/user";
 
 import { _t } from "../../../languageHandler";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
-import E2EIcon from "../rooms/E2EIcon";
+import E2EIcon, { E2EState } from "../rooms/E2EIcon";
 import AccessibleButton from "../elements/AccessibleButton";
 import BaseDialog from "./BaseDialog";
 import { IDialogProps } from "./IDialogProps";
@@ -47,7 +47,7 @@ const UntrustedDeviceDialog: React.FC<IProps> = ({ device, user, onFinished }) =
         onFinished={onFinished}
         className="mx_UntrustedDeviceDialog"
         title={<>
-            <E2EIcon status="warning" size={24} hideTooltip={true} />
+            <E2EIcon status={E2EState.Warning} size={24} hideTooltip={true} />
             { _t("Not Trusted") }
         </>}
     >

src/components/views/dialogs/UserSettingsDialog.tsx

@@ -33,6 +33,7 @@ import MjolnirUserSettingsTab from "../settings/tabs/user/MjolnirUserSettingsTab
 import { UIFeature } from "../../../settings/UIFeature";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import BaseDialog from "./BaseDialog";
+import { IDialogProps } from "./IDialogProps";
 
 export enum UserTab {
     General = "USER_GENERAL_TAB",
@@ -47,8 +48,7 @@ export enum UserTab {
     Help = "USER_HELP_TAB",
 }
 
-interface IProps {
-    onFinished: (success: boolean) => void;
+interface IProps extends IDialogProps {
     initialTabId?: string;
 }
 

src/components/views/dialogs/WidgetOpenIDPermissionsDialog.tsx

@@ -25,6 +25,8 @@ import { IDialogProps } from "./IDialogProps";
 import BaseDialog from "./BaseDialog";
 import DialogButtons from "../elements/DialogButtons";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IProps extends IDialogProps {
     widget: Widget;
     widgetKind: WidgetKind;
@@ -55,7 +57,7 @@ export default class WidgetOpenIDPermissionsDialog extends React.PureComponent<I
 
     private onPermissionSelection(allowed: boolean): void {
         if (this.state.rememberSelection) {
-            console.log(`Remembering ${this.props.widget.id} as allowed=${allowed} for OpenID`);
+            logger.log(`Remembering ${this.props.widget.id} as allowed=${allowed} for OpenID`);
 
             WidgetPermissionStore.instance.setOIDCState(
                 this.props.widget, this.props.widgetKind, this.props.inRoomId,

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

@@ -28,6 +28,8 @@ import Spinner from '../../elements/Spinner';
 import InteractiveAuthDialog from '../InteractiveAuthDialog';
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IProps {
     accountPassword?: string;
     tokenLogin?: boolean;
@@ -77,10 +79,10 @@ export default class CreateCrossSigningDialog extends React.PureComponent<IProps
             // We should never get here: the server should always require
             // UI auth to upload device signing keys. If we do, we upload
             // no keys which would be a no-op.
-            console.log("uploadDeviceSigningKeys unexpectedly succeeded without UI auth!");
+            logger.log("uploadDeviceSigningKeys unexpectedly succeeded without UI auth!");
         } catch (error) {
             if (!error.data || !error.data.flows) {
-                console.log("uploadDeviceSigningKeys advertised no flows!");
+                logger.log("uploadDeviceSigningKeys advertised no flows!");
                 return;
             }
             const canUploadKeysWithPasswordOnly = error.data.flows.some(f => {

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

@@ -24,6 +24,7 @@ import { IKeyBackupInfo, IKeyBackupRestoreResult } from "matrix-js-sdk/src/crypt
 import { ISecretStorageKeyInfo } from "matrix-js-sdk/src/crypto/api";
 import * as sdk from '../../../../index';
 import { IDialogProps } from "../IDialogProps";
+import { logger } from "matrix-js-sdk/src/logger";
 
 enum RestoreType {
     Passphrase = "passphrase",
@@ -160,7 +161,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
                 recoverInfo,
             });
         } catch (e) {
-            console.log("Error restoring backup", e);
+            logger.log("Error restoring backup", e);
             this.setState({
                 loading: false,
                 restoreError: e,
@@ -194,7 +195,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
                 recoverInfo,
             });
         } catch (e) {
-            console.log("Error restoring backup", e);
+            logger.log("Error restoring backup", e);
             this.setState({
                 loading: false,
                 restoreError: e,
@@ -226,7 +227,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
                 loading: false,
             });
         } catch (e) {
-            console.log("Error restoring backup", e);
+            logger.log("Error restoring backup", e);
             this.setState({
                 restoreError: e,
                 loading: false,
@@ -248,7 +249,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
             });
             return true;
         } catch (e) {
-            console.log("restoreWithCachedKey failed:", e);
+            logger.log("restoreWithCachedKey failed:", e);
             return false;
         }
     }
@@ -262,7 +263,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
             const cli = MatrixClientPeg.get();
             const backupInfo = await cli.getKeyBackupVersion();
             const has4S = await cli.hasSecretStorageKey();
-            const backupKeyStored = has4S && await cli.isKeyBackupKeyStored();
+            const backupKeyStored = has4S && (await cli.isKeyBackupKeyStored());
             this.setState({
                 backupInfo,
                 backupKeyStored,
@@ -270,7 +271,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
 
             const gotCache = await this.restoreWithCachedKey(backupInfo);
             if (gotCache) {
-                console.log("RestoreKeyBackupDialog: found cached backup key");
+                logger.log("RestoreKeyBackupDialog: found cached backup key");
                 this.setState({
                     loading: false,
                 });
@@ -287,7 +288,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent<IProps,
                 loading: false,
             });
         } catch (e) {
-            console.log("Error loading backup status", e);
+            logger.log("Error loading backup status", e);
             this.setState({
                 loadError: e,
                 loading: false,

src/components/views/elements/AppTile.tsx

@@ -19,7 +19,6 @@ limitations under the License.
 
 import url from 'url';
 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import AccessibleButton from './AccessibleButton';
 import { _t } from '../../../languageHandler';
@@ -39,33 +38,97 @@ import { MatrixCapabilities } from "matrix-widget-api";
 import RoomWidgetContextMenu from "../context_menus/WidgetContextMenu";
 import WidgetAvatar from "../avatars/WidgetAvatar";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { IApp } from "../../../stores/WidgetStore";
+
+interface IProps {
+    app: IApp;
+    // If room is not specified then it is an account level widget
+    // which bypasses permission prompts as it was added explicitly by that user
+    room: Room;
+    // Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer continer.
+    // This should be set to true when there is only one widget in the app drawer, otherwise it should be false.
+    fullWidth?: boolean;
+    // Optional. If set, renders a smaller view of the widget
+    miniMode?: boolean;
+    // UserId of the current user
+    userId: string;
+    // UserId of the entity that added / modified the widget
+    creatorUserId: string;
+    waitForIframeLoad: boolean;
+    showMenubar?: boolean;
+    // Optional onEditClickHandler (overrides default behaviour)
+    onEditClick?: () => void;
+    // Optional onDeleteClickHandler (overrides default behaviour)
+    onDeleteClick?: () => void;
+    // Optionally hide the tile title
+    showTitle?: boolean;
+    // Optionally handle minimise button pointer events (default false)
+    handleMinimisePointerEvents?: boolean;
+    // Optionally hide the popout widget icon
+    showPopout?: boolean;
+    // Is this an instance of a user widget
+    userWidget: boolean;
+    // sets the pointer-events property on the iframe
+    pointerEvents?: string;
+    widgetPageTitle?: string;
+}
+
+interface IState {
+    initialising: boolean; // True while we are mangling the widget URL
+    // True while the iframe content is loading
+    loading: boolean;
+    // Assume that widget has permission to load if we are the user who
+    // added it to the room, or if explicitly granted by the user
+    hasPermissionToLoad: boolean;
+    error: Error;
+    menuDisplayed: boolean;
+    widgetPageTitle: string;
+}
+
+import { logger } from "matrix-js-sdk/src/logger";
 
 @replaceableComponent("views.elements.AppTile")
-export default class AppTile extends React.Component {
-    constructor(props) {
+export default class AppTile extends React.Component<IProps, IState> {
+    public static defaultProps: Partial<IProps> = {
+        waitForIframeLoad: true,
+        showMenubar: true,
+        showTitle: true,
+        showPopout: true,
+        handleMinimisePointerEvents: false,
+        userWidget: false,
+        miniMode: false,
+    };
+
+    private contextMenuButton = createRef<any>();
+    private iframe: HTMLIFrameElement; // ref to the iframe (callback style)
+    private allowedWidgetsWatchRef: string;
+    private persistKey: string;
+    private sgWidget: StopGapWidget;
+    private dispatcherRef: string;
+
+    constructor(props: IProps) {
         super(props);
 
         // The key used for PersistedElement
-        this._persistKey = getPersistKey(this.props.app.id);
+        this.persistKey = getPersistKey(this.props.app.id);
         try {
-            this._sgWidget = new StopGapWidget(this.props);
-            this._sgWidget.on("preparing", this._onWidgetPrepared);
-            this._sgWidget.on("ready", this._onWidgetReady);
+            this.sgWidget = new StopGapWidget(this.props);
+            this.sgWidget.on("preparing", this.onWidgetPrepared);
+            this.sgWidget.on("ready", this.onWidgetReady);
         } catch (e) {
-            console.log("Failed to construct widget", e);
-            this._sgWidget = null;
+            logger.log("Failed to construct widget", e);
+            this.sgWidget = null;
         }
-        this.iframe = null; // ref to the iframe (callback style)
 
-        this.state = this._getNewState(props);
-        this._contextMenuButton = createRef();
+        this.state = this.getNewState(props);
 
-        this._allowedWidgetsWatchRef = SettingsStore.watchSetting("allowedWidgets", null, this.onAllowedWidgetsChange);
+        this.allowedWidgetsWatchRef = SettingsStore.watchSetting("allowedWidgets", null, this.onAllowedWidgetsChange);
     }
 
     // This is a function to make the impact of calling SettingsStore slightly less
-    hasPermissionToLoad = (props) => {
-        if (this._usingLocalWidget()) return true;
+    private hasPermissionToLoad = (props: IProps): boolean => {
+        if (this.usingLocalWidget()) return true;
         if (!props.room) return true; // user widgets always have permissions
 
         const currentlyAllowedWidgets = SettingsStore.getValue("allowedWidgets", props.room.roomId);
@@ -81,34 +144,34 @@ export default class AppTile extends React.Component {
      * @param  {Object} newProps The new properties of the component
      * @return {Object} Updated component state to be set with setState
      */
-    _getNewState(newProps) {
+    private getNewState(newProps: IProps): IState {
         return {
             initialising: true, // True while we are mangling the widget URL
             // True while the iframe content is loading
-            loading: this.props.waitForIframeLoad && !PersistedElement.isMounted(this._persistKey),
+            loading: this.props.waitForIframeLoad && !PersistedElement.isMounted(this.persistKey),
             // Assume that widget has permission to load if we are the user who
             // added it to the room, or if explicitly granted by the user
             hasPermissionToLoad: this.hasPermissionToLoad(newProps),
             error: null,
-            widgetPageTitle: newProps.widgetPageTitle,
             menuDisplayed: false,
+            widgetPageTitle: this.props.widgetPageTitle,
         };
     }
 
-    onAllowedWidgetsChange = () => {
+    private onAllowedWidgetsChange = (): void => {
         const hasPermissionToLoad = this.hasPermissionToLoad(this.props);
 
         if (this.state.hasPermissionToLoad && !hasPermissionToLoad) {
             // Force the widget to be non-persistent (able to be deleted/forgotten)
             ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
-            PersistedElement.destroyElement(this._persistKey);
-            if (this._sgWidget) this._sgWidget.stop();
+            PersistedElement.destroyElement(this.persistKey);
+            if (this.sgWidget) this.sgWidget.stop();
         }
 
         this.setState({ hasPermissionToLoad });
     };
 
-    isMixedContent() {
+    private isMixedContent(): boolean {
         const parentContentProtocol = window.location.protocol;
         const u = url.parse(this.props.app.url);
         const childContentProtocol = u.protocol;
@@ -120,69 +183,70 @@ export default class AppTile extends React.Component {
         return false;
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         // Only fetch IM token on mount if we're showing and have permission to load
-        if (this._sgWidget && this.state.hasPermissionToLoad) {
-            this._startWidget();
+        if (this.sgWidget && this.state.hasPermissionToLoad) {
+            this.startWidget();
         }
 
         // Widget action listeners
-        this.dispatcherRef = dis.register(this._onAction);
+        this.dispatcherRef = dis.register(this.onAction);
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
         // Widget action listeners
         if (this.dispatcherRef) dis.unregister(this.dispatcherRef);
 
         // if it's not remaining on screen, get rid of the PersistedElement container
         if (!ActiveWidgetStore.getWidgetPersistence(this.props.app.id)) {
             ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
-            PersistedElement.destroyElement(this._persistKey);
+            PersistedElement.destroyElement(this.persistKey);
         }
 
-        if (this._sgWidget) {
-            this._sgWidget.stop();
+        if (this.sgWidget) {
+            this.sgWidget.stop();
         }
 
-        SettingsStore.unwatchSetting(this._allowedWidgetsWatchRef);
+        SettingsStore.unwatchSetting(this.allowedWidgetsWatchRef);
     }
 
-    _resetWidget(newProps) {
-        if (this._sgWidget) {
-            this._sgWidget.stop();
+    private resetWidget(newProps: IProps): void {
+        if (this.sgWidget) {
+            this.sgWidget.stop();
         }
         try {
-            this._sgWidget = new StopGapWidget(newProps);
-            this._sgWidget.on("preparing", this._onWidgetPrepared);
-            this._sgWidget.on("ready", this._onWidgetReady);
-            this._startWidget();
+            this.sgWidget = new StopGapWidget(newProps);
+            this.sgWidget.on("preparing", this.onWidgetPrepared);
+            this.sgWidget.on("ready", this.onWidgetReady);
+            this.startWidget();
         } catch (e) {
-            console.log("Failed to construct widget", e);
-            this._sgWidget = null;
+            logger.log("Failed to construct widget", e);
+            this.sgWidget = null;
         }
     }
 
-    _startWidget() {
-        this._sgWidget.prepare().then(() => {
+    private startWidget(): void {
+        this.sgWidget.prepare().then(() => {
             this.setState({ initialising: false });
         });
     }
 
-    _iframeRefChange = (ref) => {
+    private iframeRefChange = (ref: HTMLIFrameElement): void => {
         this.iframe = ref;
         if (ref) {
-            if (this._sgWidget) this._sgWidget.start(ref);
+            if (this.sgWidget) this.sgWidget.start(ref);
         } else {
-            this._resetWidget(this.props);
+            this.resetWidget(this.props);
         }
     };
 
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    UNSAFE_componentWillReceiveProps(nextProps) { // eslint-disable-line camelcase
+    // eslint-disable-next-line @typescript-eslint/naming-convention
+    public UNSAFE_componentWillReceiveProps(nextProps: IProps): void { // eslint-disable-line camelcase
         if (nextProps.app.url !== this.props.app.url) {
-            this._getNewState(nextProps);
+            this.getNewState(nextProps);
             if (this.state.hasPermissionToLoad) {
-                this._resetWidget(nextProps);
+                this.resetWidget(nextProps);
             }
         }
 
@@ -198,7 +262,7 @@ export default class AppTile extends React.Component {
      * @private
      * @returns {Promise<*>} Resolves when the widget is terminated, or timeout passed.
      */
-    async _endWidgetActions() { // widget migration dev note: async to maintain signature
+    private async endWidgetActions(): Promise<void> { // widget migration dev note: async to maintain signature
         // HACK: This is a really dirty way to ensure that Jitsi cleans up
         // its hold on the webcam. Without this, the widget holds a media
         // stream open, even after death. See https://github.com/vector-im/element-web/issues/7351
@@ -217,27 +281,27 @@ export default class AppTile extends React.Component {
         }
 
         // Delete the widget from the persisted store for good measure.
-        PersistedElement.destroyElement(this._persistKey);
+        PersistedElement.destroyElement(this.persistKey);
         ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
 
-        if (this._sgWidget) this._sgWidget.stop({ forceDestroy: true });
+        if (this.sgWidget) this.sgWidget.stop({ forceDestroy: true });
     }
 
-    _onWidgetPrepared = () => {
+    private onWidgetPrepared = (): void => {
         this.setState({ loading: false });
     };
 
-    _onWidgetReady = () => {
+    private onWidgetReady = (): void => {
         if (WidgetType.JITSI.matches(this.props.app.type)) {
-            this._sgWidget.widgetApi.transport.send(ElementWidgetActions.ClientReady, {});
+            this.sgWidget.widgetApi.transport.send(ElementWidgetActions.ClientReady, {});
         }
     };
 
-    _onAction = payload => {
+    private onAction = (payload): void => {
         if (payload.widgetId === this.props.app.id) {
             switch (payload.action) {
                 case 'm.sticker':
-                    if (this._sgWidget.widgetApi.hasCapability(MatrixCapabilities.StickerSending)) {
+                    if (this.sgWidget.widgetApi.hasCapability(MatrixCapabilities.StickerSending)) {
                         dis.dispatch({ action: 'post_sticker_message', data: payload.data });
                         dis.dispatch({ action: 'stickerpicker_close' });
                     } else {
@@ -248,7 +312,7 @@ export default class AppTile extends React.Component {
         }
     };
 
-    _grantWidgetPermission = () => {
+    private grantWidgetPermission = (): void => {
         const roomId = this.props.room.roomId;
         console.info("Granting permission for widget to load: " + this.props.app.eventId);
         const current = SettingsStore.getValue("allowedWidgets", roomId);
@@ -258,14 +322,14 @@ export default class AppTile extends React.Component {
             this.setState({ hasPermissionToLoad: true });
 
             // Fetch a token for the integration manager, now that we're allowed to
-            this._startWidget();
+            this.startWidget();
         }).catch(err => {
             console.error(err);
             // We don't really need to do anything about this - the user will just hit the button again.
         });
     };
 
-    formatAppTileName() {
+    private formatAppTileName(): string {
         let appTileName = "No name";
         if (this.props.app.name && this.props.app.name.trim()) {
             appTileName = this.props.app.name.trim();
@@ -278,11 +342,11 @@ export default class AppTile extends React.Component {
      * actual widget URL
      * @returns {bool} true If using a local version of the widget
      */
-    _usingLocalWidget() {
+    private usingLocalWidget(): boolean {
         return WidgetType.JITSI.matches(this.props.app.type);
     }
 
-    _getTileTitle() {
+    private getTileTitle(): JSX.Element {
         const name = this.formatAppTileName();
         const titleSpacer = <span>&nbsp;-&nbsp;</span>;
         let title = '';
@@ -300,32 +364,32 @@ export default class AppTile extends React.Component {
     }
 
     // TODO replace with full screen interactions
-    _onPopoutWidgetClick = () => {
+    private onPopoutWidgetClick = (): void => {
         // Ensure Jitsi conferences are closed on pop-out, to not confuse the user to join them
         // twice from the same computer, which Jitsi can have problems with (audio echo/gain-loop).
         if (WidgetType.JITSI.matches(this.props.app.type)) {
-            this._endWidgetActions().then(() => {
+            this.endWidgetActions().then(() => {
                 if (this.iframe) {
                     // Reload iframe
-                    this.iframe.src = this._sgWidget.embedUrl;
+                    this.iframe.src = this.sgWidget.embedUrl;
                 }
             });
         }
         // Using Object.assign workaround as the following opens in a new window instead of a new tab.
         // window.open(this._getPopoutUrl(), '_blank', 'noopener=yes');
         Object.assign(document.createElement('a'),
-            { target: '_blank', href: this._sgWidget.popoutUrl, rel: 'noreferrer noopener' }).click();
+            { target: '_blank', href: this.sgWidget.popoutUrl, rel: 'noreferrer noopener' }).click();
     };
 
-    _onContextMenuClick = () => {
+    private onContextMenuClick = (): void => {
         this.setState({ menuDisplayed: true });
     };
 
-    _closeContextMenu = () => {
+    private closeContextMenu = (): void => {
         this.setState({ menuDisplayed: false });
     };
 
-    render() {
+    public render(): JSX.Element {
         let appTileBody;
 
         // Note that there is advice saying allow-scripts shouldn't be used with allow-same-origin
@@ -351,7 +415,7 @@ export default class AppTile extends React.Component {
                 <Spinner message={_t("Loading...")} />
             </div>
         );
-        if (this._sgWidget === null) {
+        if (this.sgWidget === null) {
             appTileBody = (
                 <div className={appTileBodyClass} style={appTileBodyStyles}>
                     <AppWarning errorMsg={_t("Error loading Widget")} />
@@ -365,9 +429,9 @@ export default class AppTile extends React.Component {
                     <AppPermission
                         roomId={this.props.room.roomId}
                         creatorUserId={this.props.creatorUserId}
-                        url={this._sgWidget.embedUrl}
+                        url={this.sgWidget.embedUrl}
                         isRoomEncrypted={isEncrypted}
-                        onPermissionGranted={this._grantWidgetPermission}
+                        onPermissionGranted={this.grantWidgetPermission}
                     />
                 </div>
             );
@@ -390,8 +454,8 @@ export default class AppTile extends React.Component {
                         { this.state.loading && loadingElement }
                         <iframe
                             allow={iframeFeatures}
-                            ref={this._iframeRefChange}
-                            src={this._sgWidget.embedUrl}
+                            ref={this.iframeRefChange}
+                            src={this.sgWidget.embedUrl}
                             allowFullScreen={true}
                             sandbox={sandboxFlags}
                         />
@@ -407,7 +471,7 @@ export default class AppTile extends React.Component {
                     // Also wrap the PersistedElement in a div to fix the height, otherwise
                     // AppTile's border is in the wrong place
                     appTileBody = <div className="mx_AppTile_persistedWrapper">
-                        <PersistedElement persistKey={this._persistKey}>
+                        <PersistedElement persistKey={this.persistKey}>
                             { appTileBody }
                         </PersistedElement>
                     </div>;
@@ -429,9 +493,9 @@ export default class AppTile extends React.Component {
         if (this.state.menuDisplayed) {
             contextMenu = (
                 <RoomWidgetContextMenu
-                    {...aboveLeftOf(this._contextMenuButton.current.getBoundingClientRect(), null)}
+                    {...aboveLeftOf(this.contextMenuButton.current.getBoundingClientRect(), null)}
                     app={this.props.app}
-                    onFinished={this._closeContextMenu}
+                    onFinished={this.closeContextMenu}
                     showUnpin={!this.props.userWidget}
                     userWidget={this.props.userWidget}
                     onEditClick={this.props.onEditClick}
@@ -444,21 +508,21 @@ export default class AppTile extends React.Component {
             <div className={appTileClasses} id={this.props.app.id}>
                 { this.props.showMenubar &&
                     <div className="mx_AppTileMenuBar">
-                        <span className="mx_AppTileMenuBarTitle" style={{ pointerEvents: (this.props.handleMinimisePointerEvents ? 'all' : false) }}>
-                            { this.props.showTitle && this._getTileTitle() }
+                        <span className="mx_AppTileMenuBarTitle" style={{ pointerEvents: (this.props.handleMinimisePointerEvents ? 'all' : "none") }}>
+                            { this.props.showTitle && this.getTileTitle() }
                         </span>
                         <span className="mx_AppTileMenuBarWidgets">
                             { this.props.showPopout && <AccessibleButton
                                 className="mx_AppTileMenuBar_iconButton mx_AppTileMenuBar_iconButton_popout"
                                 title={_t('Popout widget')}
-                                onClick={this._onPopoutWidgetClick}
+                                onClick={this.onPopoutWidgetClick}
                             /> }
                             <ContextMenuButton
                                 className="mx_AppTileMenuBar_iconButton mx_AppTileMenuBar_iconButton_menu"
                                 label={_t("Options")}
                                 isExpanded={this.state.menuDisplayed}
-                                inputRef={this._contextMenuButton}
-                                onClick={this._onContextMenuClick}
+                                inputRef={this.contextMenuButton}
+                                onClick={this.onContextMenuClick}
                             />
                         </span>
                     </div> }
@@ -469,49 +533,3 @@ export default class AppTile extends React.Component {
         </React.Fragment>;
     }
 }
-
-AppTile.displayName = 'AppTile';
-
-AppTile.propTypes = {
-    app: PropTypes.object.isRequired,
-    // If room is not specified then it is an account level widget
-    // which bypasses permission prompts as it was added explicitly by that user
-    room: PropTypes.object,
-    // Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer continer.
-    // This should be set to true when there is only one widget in the app drawer, otherwise it should be false.
-    fullWidth: PropTypes.bool,
-    // Optional. If set, renders a smaller view of the widget
-    miniMode: PropTypes.bool,
-    // UserId of the current user
-    userId: PropTypes.string.isRequired,
-    // UserId of the entity that added / modified the widget
-    creatorUserId: PropTypes.string,
-    waitForIframeLoad: PropTypes.bool,
-    showMenubar: PropTypes.bool,
-    // Optional onEditClickHandler (overrides default behaviour)
-    onEditClick: PropTypes.func,
-    // Optional onDeleteClickHandler (overrides default behaviour)
-    onDeleteClick: PropTypes.func,
-    // Optional onMinimiseClickHandler
-    onMinimiseClick: PropTypes.func,
-    // Optionally hide the tile title
-    showTitle: PropTypes.bool,
-    // Optionally handle minimise button pointer events (default false)
-    handleMinimisePointerEvents: PropTypes.bool,
-    // Optionally hide the popout widget icon
-    showPopout: PropTypes.bool,
-    // Is this an instance of a user widget
-    userWidget: PropTypes.bool,
-    // sets the pointer-events property on the iframe
-    pointerEvents: PropTypes.string,
-};
-
-AppTile.defaultProps = {
-    waitForIframeLoad: true,
-    showMenubar: true,
-    showTitle: true,
-    showPopout: true,
-    handleMinimisePointerEvents: false,
-    userWidget: false,
-    miniMode: false,
-};

src/components/views/elements/AppWarning.tsx

@@ -1,24 +1,20 @@
-import React from 'react'; // eslint-disable-line no-unused-vars
-import PropTypes from 'prop-types';
+import React from 'react';
 
-const AppWarning = (props) => {
+interface IProps {
+    errorMsg?: string;
+}
+
+const AppWarning: React.FC<IProps> = (props) => {
     return (
         <div className='mx_AppPermissionWarning'>
             <div className='mx_AppPermissionWarningImage'>
                 <img src={require("../../../../res/img/warning.svg")} alt='' />
             </div>
             <div className='mx_AppPermissionWarningText'>
-                <span className='mx_AppPermissionWarningTextLabel'>{ props.errorMsg }</span>
+                <span className='mx_AppPermissionWarningTextLabel'>{ props.errorMsg || "Error" }</span>
             </div>
         </div>
     );
 };
 
-AppWarning.propTypes = {
-    errorMsg: PropTypes.string,
-};
-AppWarning.defaultProps = {
-    errorMsg: 'Error',
-};
-
 export default AppWarning;

src/components/views/elements/DialogButtons.tsx

@@ -17,60 +17,61 @@ limitations under the License.
 */
 
 import React from "react";
-import PropTypes from "prop-types";
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+interface IProps {
+    // The primary button which is styled differently and has default focus.
+    primaryButton: React.ReactNode;
+
+    // A node to insert into the cancel button instead of default "Cancel"
+    cancelButton?: React.ReactNode;
+
+    // If true, make the primary button a form submit button (input type="submit")
+    primaryIsSubmit?: boolean;
+
+    // onClick handler for the primary button.
+    onPrimaryButtonClick?: (ev: React.MouseEvent) => void;
+
+    // should there be a cancel button? default: true
+    hasCancel?: boolean;
+
+    // The class of the cancel button, only used if a cancel button is
+    // enabled
+    cancelButtonClass?: string;
+
+    // onClick handler for the cancel button.
+    onCancel?: (...args: any[]) => void;
+
+    focus?: boolean;
+
+    // disables the primary and cancel buttons
+    disabled?: boolean;
+
+    // disables only the primary button
+    primaryDisabled?: boolean;
+
+    // something to stick next to the buttons, optionally
+    additive?: React.ReactNode;
+
+    primaryButtonClass?: string;
+}
+
 /**
  * Basic container for buttons in modal dialogs.
  */
 @replaceableComponent("views.elements.DialogButtons")
-export default class DialogButtons extends React.Component {
-    static propTypes = {
-        // The primary button which is styled differently and has default focus.
-        primaryButton: PropTypes.node.isRequired,
-
-        // A node to insert into the cancel button instead of default "Cancel"
-        cancelButton: PropTypes.node,
-
-        // If true, make the primary button a form submit button (input type="submit")
-        primaryIsSubmit: PropTypes.bool,
-
-        // onClick handler for the primary button.
-        onPrimaryButtonClick: PropTypes.func,
-
-        // should there be a cancel button? default: true
-        hasCancel: PropTypes.bool,
-
-        // The class of the cancel button, only used if a cancel button is
-        // enabled
-        cancelButtonClass: PropTypes.node,
-
-        // onClick handler for the cancel button.
-        onCancel: PropTypes.func,
-
-        focus: PropTypes.bool,
-
-        // disables the primary and cancel buttons
-        disabled: PropTypes.bool,
-
-        // disables only the primary button
-        primaryDisabled: PropTypes.bool,
-
-        // something to stick next to the buttons, optionally
-        additive: PropTypes.element,
-    };
-
-    static defaultProps = {
+export default class DialogButtons extends React.Component<IProps> {
+    public static defaultProps: Partial<IProps> = {
         hasCancel: true,
         disabled: false,
     };
 
-    _onCancelClick = () => {
-        this.props.onCancel();
+    private onCancelClick = (event: React.MouseEvent): void => {
+        this.props.onCancel(event);
     };
 
-    render() {
+    public render(): JSX.Element {
         let primaryButtonClassName = "mx_Dialog_primary";
         if (this.props.primaryButtonClass) {
             primaryButtonClassName += " " + this.props.primaryButtonClass;
@@ -82,7 +83,7 @@ export default class DialogButtons extends React.Component {
                 // important: the default type is 'submit' and this button comes before the
                 // primary in the DOM so will get form submissions unless we make it not a submit.
                 type="button"
-                onClick={this._onCancelClick}
+                onClick={this.onCancelClick}
                 className={this.props.cancelButtonClass}
                 disabled={this.props.disabled}
             >

src/components/views/elements/DirectorySearchBox.tsx

@@ -14,71 +14,73 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
+import React, { ChangeEvent, createRef } from 'react';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import AccessibleButton from "./AccessibleButton";
+
+interface IProps {
+    className?: string;
+    onChange?: (value: string) => void;
+    onClear?: () => void;
+    onJoinClick?: (value: string) => void;
+    placeholder?: string;
+    showJoinButton?: boolean;
+    initialText?: string;
+}
+
+interface IState {
+    value: string;
+}
 
 @replaceableComponent("views.elements.DirectorySearchBox")
-export default class DirectorySearchBox extends React.Component {
-    constructor(props) {
-        super(props);
-        this._collectInput = this._collectInput.bind(this);
-        this._onClearClick = this._onClearClick.bind(this);
-        this._onChange = this._onChange.bind(this);
-        this._onKeyUp = this._onKeyUp.bind(this);
-        this._onJoinButtonClick = this._onJoinButtonClick.bind(this);
+export default class DirectorySearchBox extends React.Component<IProps, IState> {
+    private input = createRef<HTMLInputElement>();
 
-        this.input = null;
+    constructor(props: IProps) {
+        super(props);
 
         this.state = {
             value: this.props.initialText || '',
         };
     }
 
-    _collectInput(e) {
-        this.input = e;
-    }
-
-    _onClearClick() {
+    private onClearClick = (): void => {
         this.setState({ value: '' });
 
-        if (this.input) {
-            this.input.focus();
+        if (this.input.current) {
+            this.input.current.focus();
 
             if (this.props.onClear) {
                 this.props.onClear();
             }
         }
-    }
+    };
 
-    _onChange(ev) {
-        if (!this.input) return;
+    private onChange = (ev: ChangeEvent<HTMLInputElement>): void => {
+        if (!this.input.current) return;
         this.setState({ value: ev.target.value });
 
         if (this.props.onChange) {
             this.props.onChange(ev.target.value);
         }
-    }
+    };
 
-    _onKeyUp(ev) {
+    private onKeyUp = (ev: React.KeyboardEvent): void => {
         if (ev.key == 'Enter' && this.props.showJoinButton) {
             if (this.props.onJoinClick) {
                 this.props.onJoinClick(this.state.value);
             }
         }
-    }
+    };
 
-    _onJoinButtonClick() {
+    private onJoinButtonClick = (): void => {
         if (this.props.onJoinClick) {
             this.props.onJoinClick(this.state.value);
         }
-    }
-
-    render() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    };
 
+    public render(): JSX.Element {
         const searchboxClasses = {
             mx_DirectorySearchBox: true,
         };
@@ -87,7 +89,7 @@ export default class DirectorySearchBox extends React.Component {
         let joinButton;
         if (this.props.showJoinButton) {
             joinButton = <AccessibleButton className="mx_DirectorySearchBox_joinButton"
-                onClick={this._onJoinButtonClick}
+                onClick={this.onJoinButtonClick}
             >{ _t("Join") }</AccessibleButton>;
         }
 
@@ -97,24 +99,15 @@ export default class DirectorySearchBox extends React.Component {
                 name="dirsearch"
                 value={this.state.value}
                 className="mx_textinput_icon mx_textinput_search"
-                ref={this._collectInput}
-                onChange={this._onChange}
-                onKeyUp={this._onKeyUp}
+                ref={this.input}
+                onChange={this.onChange}
+                onKeyUp={this.onKeyUp}
                 placeholder={this.props.placeholder}
                 autoFocus
             />
             { joinButton }
-            <AccessibleButton className="mx_DirectorySearchBox_clear" onClick={this._onClearClick} />
+            <AccessibleButton className="mx_DirectorySearchBox_clear" onClick={this.onClearClick} />
         </div>;
     }
 }
 
-DirectorySearchBox.propTypes = {
-    className: PropTypes.string,
-    onChange: PropTypes.func,
-    onClear: PropTypes.func,
-    onJoinClick: PropTypes.func,
-    placeholder: PropTypes.string,
-    showJoinButton: PropTypes.bool,
-    initialText: PropTypes.string,
-};

src/components/views/elements/EditableText.tsx

@@ -16,33 +16,42 @@ limitations under the License.
 */
 
 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import { Key } from "../../../Keyboard";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+enum Phases {
+    Display = "display",
+    Edit = "edit",
+}
+
+interface IProps {
+    onValueChanged?: (value: string, shouldSubmit: boolean) => void;
+    initialValue?: string;
+    label?: string;
+    placeholder?: string;
+    className?: string;
+    labelClassName?: string;
+    placeholderClassName?: string;
+    // Overrides blurToSubmit if true
+    blurToCancel?: boolean;
+    // Will cause onValueChanged(value, true) to fire on blur
+    blurToSubmit?: boolean;
+    editable?: boolean;
+}
+
+interface IState {
+    phase: Phases;
+}
+
 @replaceableComponent("views.elements.EditableText")
-export default class EditableText extends React.Component {
-    static propTypes = {
-        onValueChanged: PropTypes.func,
-        initialValue: PropTypes.string,
-        label: PropTypes.string,
-        placeholder: PropTypes.string,
-        className: PropTypes.string,
-        labelClassName: PropTypes.string,
-        placeholderClassName: PropTypes.string,
-        // Overrides blurToSubmit if true
-        blurToCancel: PropTypes.bool,
-        // Will cause onValueChanged(value, true) to fire on blur
-        blurToSubmit: PropTypes.bool,
-        editable: PropTypes.bool,
-    };
+export default class EditableText extends React.Component<IProps, IState> {
+    // we track value as an JS object field rather than in React state
+    // as React doesn't play nice with contentEditable.
+    public value = '';
+    private placeholder = false;
+    private editableDiv = createRef<HTMLDivElement>();
 
-    static Phases = {
-        Display: "display",
-        Edit: "edit",
-    };
-
-    static defaultProps = {
+    public static defaultProps: Partial<IProps> = {
         onValueChanged() {},
         initialValue: '',
         label: '',
@@ -53,81 +62,61 @@ export default class EditableText extends React.Component {
         blurToSubmit: false,
     };
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
 
-        // we track value as an JS object field rather than in React state
-        // as React doesn't play nice with contentEditable.
-        this.value = '';
-        this.placeholder = false;
-
-        this._editable_div = createRef();
+        this.state = {
+            phase: Phases.Display,
+        };
     }
 
-    state = {
-        phase: EditableText.Phases.Display,
-    };
-
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    // eslint-disable-next-line camelcase
-    UNSAFE_componentWillReceiveProps(nextProps) {
+    // eslint-disable-next-line @typescript-eslint/naming-convention, camelcase
+    public UNSAFE_componentWillReceiveProps(nextProps: IProps): void {
         if (nextProps.initialValue !== this.props.initialValue) {
             this.value = nextProps.initialValue;
-            if (this._editable_div.current) {
+            if (this.editableDiv.current) {
                 this.showPlaceholder(!this.value);
             }
         }
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.value = this.props.initialValue;
-        if (this._editable_div.current) {
+        if (this.editableDiv.current) {
             this.showPlaceholder(!this.value);
         }
     }
 
-    showPlaceholder = show => {
+    private showPlaceholder = (show: boolean): void => {
         if (show) {
-            this._editable_div.current.textContent = this.props.placeholder;
-            this._editable_div.current.setAttribute("class", this.props.className
+            this.editableDiv.current.textContent = this.props.placeholder;
+            this.editableDiv.current.setAttribute("class", this.props.className
                 + " " + this.props.placeholderClassName);
             this.placeholder = true;
             this.value = '';
         } else {
-            this._editable_div.current.textContent = this.value;
-            this._editable_div.current.setAttribute("class", this.props.className);
+            this.editableDiv.current.textContent = this.value;
+            this.editableDiv.current.setAttribute("class", this.props.className);
             this.placeholder = false;
         }
     };
 
-    getValue = () => this.value;
-
-    setValue = value => {
-        this.value = value;
-        this.showPlaceholder(!this.value);
-    };
-
-    edit = () => {
+    private cancelEdit = (): void => {
         this.setState({
-            phase: EditableText.Phases.Edit,
-        });
-    };
-
-    cancelEdit = () => {
-        this.setState({
-            phase: EditableText.Phases.Display,
+            phase: Phases.Display,
         });
         this.value = this.props.initialValue;
         this.showPlaceholder(!this.value);
         this.onValueChanged(false);
-        this._editable_div.current.blur();
+        this.editableDiv.current.blur();
     };
 
-    onValueChanged = shouldSubmit => {
+    private onValueChanged = (shouldSubmit: boolean): void => {
         this.props.onValueChanged(this.value, shouldSubmit);
     };
 
-    onKeyDown = ev => {
+    private onKeyDown = (ev: React.KeyboardEvent<HTMLDivElement>): void => {
         // console.log("keyDown: textContent=" + ev.target.textContent + ", value=" + this.value + ", placeholder=" + this.placeholder);
 
         if (this.placeholder) {
@@ -142,13 +131,13 @@ export default class EditableText extends React.Component {
         // console.log("keyDown: textContent=" + ev.target.textContent + ", value=" + this.value + ", placeholder=" + this.placeholder);
     };
 
-    onKeyUp = ev => {
+    private onKeyUp = (ev: React.KeyboardEvent<HTMLDivElement>): void => {
         // console.log("keyUp: textContent=" + ev.target.textContent + ", value=" + this.value + ", placeholder=" + this.placeholder);
 
-        if (!ev.target.textContent) {
+        if (!(ev.target as HTMLDivElement).textContent) {
             this.showPlaceholder(true);
         } else if (!this.placeholder) {
-            this.value = ev.target.textContent;
+            this.value = (ev.target as HTMLDivElement).textContent;
         }
 
         if (ev.key === Key.ENTER) {
@@ -160,22 +149,22 @@ export default class EditableText extends React.Component {
         // console.log("keyUp: textContent=" + ev.target.textContent + ", value=" + this.value + ", placeholder=" + this.placeholder);
     };
 
-    onClickDiv = ev => {
+    private onClickDiv = (): void => {
         if (!this.props.editable) return;
 
         this.setState({
-            phase: EditableText.Phases.Edit,
+            phase: Phases.Edit,
         });
     };
 
-    onFocus = ev => {
+    private onFocus = (ev: React.FocusEvent<HTMLDivElement>): void => {
         //ev.target.setSelectionRange(0, ev.target.textContent.length);
 
         const node = ev.target.childNodes[0];
         if (node) {
             const range = document.createRange();
             range.setStart(node, 0);
-            range.setEnd(node, node.length);
+            range.setEnd(node, ev.target.childNodes.length);
 
             const sel = window.getSelection();
             sel.removeAllRanges();
@@ -183,11 +172,15 @@ export default class EditableText extends React.Component {
         }
     };
 
-    onFinish = (ev, shouldSubmit) => {
+    private onFinish = (
+        ev: React.KeyboardEvent<HTMLDivElement> | React.FocusEvent<HTMLDivElement>,
+        shouldSubmit?: boolean,
+    ): void => {
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
         const self = this;
-        const submit = (ev.key === Key.ENTER) || shouldSubmit;
+        const submit = ("key" in ev && ev.key === Key.ENTER) || shouldSubmit;
         this.setState({
-            phase: EditableText.Phases.Display,
+            phase: Phases.Display,
         }, () => {
             if (this.value !== this.props.initialValue) {
                 self.onValueChanged(submit);
@@ -195,7 +188,7 @@ export default class EditableText extends React.Component {
         });
     };
 
-    onBlur = ev => {
+    private onBlur = (ev: React.FocusEvent<HTMLDivElement>): void => {
         const sel = window.getSelection();
         sel.removeAllRanges();
 
@@ -208,11 +201,11 @@ export default class EditableText extends React.Component {
         this.showPlaceholder(!this.value);
     };
 
-    render() {
+    public render(): JSX.Element {
         const { className, editable, initialValue, label, labelClassName } = this.props;
         let editableEl;
 
-        if (!editable || (this.state.phase === EditableText.Phases.Display &&
+        if (!editable || (this.state.phase === Phases.Display &&
             (label || labelClassName) && !this.value)
         ) {
             // show the label
@@ -222,7 +215,7 @@ export default class EditableText extends React.Component {
         } else {
             // show the content editable div, but manually manage its contents as react and contentEditable don't play nice together
             editableEl = <div
-                ref={this._editable_div}
+                ref={this.editableDiv}
                 contentEditable={true}
                 className={className}
                 onKeyDown={this.onKeyDown}

src/components/views/elements/EditableTextContainer.tsx

@@ -15,9 +15,34 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Spinner from "./Spinner";
+import EditableText from "./EditableText";
+
+interface IProps {
+    /* callback to retrieve the initial value. */
+    getInitialValue?: () => Promise<string>;
+
+    /* initial value; used if getInitialValue is not given */
+    initialValue?: string;
+
+    /* placeholder text to use when the value is empty (and not being
+     * edited) */
+    placeholder?: string;
+
+    /* callback to update the value. Called with a single argument: the new
+     * value. */
+    onSubmit?: (value: string) => Promise<{} | void>;
+
+    /* should the input submit when focus is lost? */
+    blurToSubmit?: boolean;
+}
+
+interface IState {
+    busy: boolean;
+    errorString: string;
+    value: string;
+}
 
 /**
  * A component which wraps an EditableText, with a spinner while updates take
@@ -31,50 +56,51 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
  * taken from the 'initialValue' property.
  */
 @replaceableComponent("views.elements.EditableTextContainer")
-export default class EditableTextContainer extends React.Component {
-    constructor(props) {
+export default class EditableTextContainer extends React.Component<IProps, IState> {
+    private unmounted = false;
+    public static defaultProps: Partial<IProps> = {
+        initialValue: "",
+        placeholder: "",
+        blurToSubmit: false,
+        onSubmit: () => { return Promise.resolve(); },
+    };
+
+    constructor(props: IProps) {
         super(props);
 
-        this._unmounted = false;
         this.state = {
             busy: false,
             errorString: null,
             value: props.initialValue,
         };
-        this._onValueChanged = this._onValueChanged.bind(this);
     }
 
-    componentDidMount() {
-        if (this.props.getInitialValue === undefined) {
-            // use whatever was given in the initialValue property.
-            return;
-        }
+    public async componentDidMount(): Promise<void> {
+        // use whatever was given in the initialValue property.
+        if (this.props.getInitialValue === undefined) return;
 
         this.setState({ busy: true });
-
-        this.props.getInitialValue().then(
-            (result) => {
-                if (this._unmounted) { return; }
-                this.setState({
-                    busy: false,
-                    value: result,
-                });
-            },
-            (error) => {
-                if (this._unmounted) { return; }
-                this.setState({
-                    errorString: error.toString(),
-                    busy: false,
-                });
-            },
-        );
+        try {
+            const initialValue = await this.props.getInitialValue();
+            if (this.unmounted) return;
+            this.setState({
+                busy: false,
+                value: initialValue,
+            });
+        } catch (error) {
+            if (this.unmounted) return;
+            this.setState({
+                errorString: error.toString(),
+                busy: false,
+            });
+        }
     }
 
-    componentWillUnmount() {
-        this._unmounted = true;
+    public componentWillUnmount(): void {
+        this.unmounted = true;
     }
 
-    _onValueChanged(value, shouldSubmit) {
+    private onValueChanged = (value: string, shouldSubmit: boolean): void => {
         if (!shouldSubmit) {
             return;
         }
@@ -86,38 +112,36 @@ export default class EditableTextContainer extends React.Component {
 
         this.props.onSubmit(value).then(
             () => {
-                if (this._unmounted) { return; }
+                if (this.unmounted) { return; }
                 this.setState({
                     busy: false,
                     value: value,
                 });
             },
             (error) => {
-                if (this._unmounted) { return; }
+                if (this.unmounted) { return; }
                 this.setState({
                     errorString: error.toString(),
                     busy: false,
                 });
             },
         );
-    }
+    };
 
-    render() {
+    public render(): JSX.Element {
         if (this.state.busy) {
-            const Loader = sdk.getComponent("elements.Spinner");
             return (
-                <Loader />
+                <Spinner />
             );
         } else if (this.state.errorString) {
             return (
                 <div className="error">{ this.state.errorString }</div>
             );
         } else {
-            const EditableText = sdk.getComponent('elements.EditableText');
             return (
                 <EditableText initialValue={this.state.value}
                     placeholder={this.props.placeholder}
-                    onValueChanged={this._onValueChanged}
+                    onValueChanged={this.onValueChanged}
                     blurToSubmit={this.props.blurToSubmit}
                 />
             );
@@ -125,28 +149,3 @@ export default class EditableTextContainer extends React.Component {
     }
 }
 
-EditableTextContainer.propTypes = {
-    /* callback to retrieve the initial value. */
-    getInitialValue: PropTypes.func,
-
-    /* initial value; used if getInitialValue is not given */
-    initialValue: PropTypes.string,
-
-    /* placeholder text to use when the value is empty (and not being
-     * edited) */
-    placeholder: PropTypes.string,
-
-    /* callback to update the value. Called with a single argument: the new
-     * value. */
-    onSubmit: PropTypes.func,
-
-    /* should the input submit when focus is lost? */
-    blurToSubmit: PropTypes.bool,
-};
-
-EditableTextContainer.defaultProps = {
-    initialValue: "",
-    placeholder: "",
-    blurToSubmit: false,
-    onSubmit: function(v) {return Promise.resolve(); },
-};

src/components/views/elements/ImageView.tsx

@@ -34,6 +34,7 @@ import { RoomPermalinkCreator } from "../../../utils/permalinks/Permalinks";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { normalizeWheelEvent } from "../../../utils/Mouse";
 import { IDialogProps } from '../dialogs/IDialogProps';
+import UIStore from '../../../stores/UIStore';
 
 // Max scale to keep gaps around the image
 const MAX_SCALE = 0.95;
@@ -44,6 +45,13 @@ const ZOOM_COEFFICIENT = 0.0025;
 // If we have moved only this much we can zoom
 const ZOOM_DISTANCE = 10;
 
+// Height of mx_ImageView_panel
+const getPanelHeight = (): number => {
+    const value = getComputedStyle(document.documentElement).getPropertyValue("--image-view-panel-height");
+    // Return the value as a number without the unit
+    return parseInt(value.slice(0, value.length - 2));
+};
+
 interface IProps extends IDialogProps {
     src: string; // the source of the image being displayed
     name?: string; // the main title ('name') for the image
@@ -56,8 +64,15 @@ interface IProps extends IDialogProps {
     // redactions, senders, timestamps etc.  Other descriptors are taken from the explicit
     // properties above, which let us use lightboxes to display images which aren't associated
     // with events.
-    mxEvent: MatrixEvent;
-    permalinkCreator: RoomPermalinkCreator;
+    mxEvent?: MatrixEvent;
+    permalinkCreator?: RoomPermalinkCreator;
+
+    thumbnailInfo?: {
+        positionX: number;
+        positionY: number;
+        width: number;
+        height: number;
+    };
 }
 
 interface IState {
@@ -75,13 +90,25 @@ interface IState {
 export default class ImageView extends React.Component<IProps, IState> {
     constructor(props) {
         super(props);
+
+        const { thumbnailInfo } = this.props;
+
         this.state = {
-            zoom: 0,
+            zoom: 0, // We default to 0 and override this in imageLoaded once we have naturalSize
             minZoom: MAX_SCALE,
             maxZoom: MAX_SCALE,
             rotation: 0,
-            translationX: 0,
-            translationY: 0,
+            translationX: (
+                thumbnailInfo?.positionX +
+                (thumbnailInfo?.width / 2) -
+                (UIStore.instance.windowWidth / 2)
+            ) ?? 0,
+            translationY: (
+                thumbnailInfo?.positionY +
+                (thumbnailInfo?.height / 2) -
+                (UIStore.instance.windowHeight / 2) -
+                (getPanelHeight() / 2)
+            ) ?? 0,
             moving: false,
             contextMenuDisplayed: false,
         };
@@ -98,6 +125,9 @@ export default class ImageView extends React.Component<IProps, IState> {
     private previousX = 0;
     private previousY = 0;
 
+    private animatingLoading = false;
+    private imageIsLoaded = false;
+
     componentDidMount() {
         // We have to use addEventListener() because the listener
         // needs to be passive in order to work with Chromium
@@ -105,15 +135,37 @@ export default class ImageView extends React.Component<IProps, IState> {
         // We want to recalculate zoom whenever the window's size changes
         window.addEventListener("resize", this.recalculateZoom);
         // After the image loads for the first time we want to calculate the zoom
-        this.image.current.addEventListener("load", this.recalculateZoom);
+        this.image.current.addEventListener("load", this.imageLoaded);
     }
 
     componentWillUnmount() {
         this.focusLock.current.removeEventListener('wheel', this.onWheel);
         window.removeEventListener("resize", this.recalculateZoom);
-        this.image.current.removeEventListener("load", this.recalculateZoom);
+        this.image.current.removeEventListener("load", this.imageLoaded);
     }
 
+    private imageLoaded = () => {
+        // First, we calculate the zoom, so that the image has the same size as
+        // the thumbnail
+        const { thumbnailInfo } = this.props;
+        if (thumbnailInfo?.width) {
+            this.setState({ zoom: thumbnailInfo.width / this.image.current.naturalWidth });
+        }
+
+        // Once the zoom is set, we the image is considered loaded and we can
+        // start animating it into the center of the screen
+        this.imageIsLoaded = true;
+        this.animatingLoading = true;
+        this.setZoomAndRotation();
+        this.setState({
+            translationX: 0,
+            translationY: 0,
+        });
+
+        // Once the position is set, there is no need to animate anymore
+        this.animatingLoading = false;
+    };
+
     private recalculateZoom = () => {
         this.setZoomAndRotation();
     };
@@ -360,16 +412,17 @@ export default class ImageView extends React.Component<IProps, IState> {
         const showEventMeta = !!this.props.mxEvent;
         const zoomingDisabled = this.state.maxZoom === this.state.minZoom;
 
+        let transitionClassName;
+        if (this.animatingLoading) transitionClassName = "mx_ImageView_image_animatingLoading";
+        else if (this.state.moving || !this.imageIsLoaded) transitionClassName = "";
+        else transitionClassName = "mx_ImageView_image_animating";
+
         let cursor;
-        if (this.state.moving) {
-            cursor= "grabbing";
-        } else if (zoomingDisabled) {
-            cursor = "default";
-        } else if (this.state.zoom === this.state.minZoom) {
-            cursor = "zoom-in";
-        } else {
-            cursor = "zoom-out";
-        }
+        if (this.state.moving) cursor = "grabbing";
+        else if (zoomingDisabled) cursor = "default";
+        else if (this.state.zoom === this.state.minZoom) cursor = "zoom-in";
+        else cursor = "zoom-out";
+
         const rotationDegrees = this.state.rotation + "deg";
         const zoom = this.state.zoom;
         const translatePixelsX = this.state.translationX + "px";
@@ -380,7 +433,6 @@ export default class ImageView extends React.Component<IProps, IState> {
         // image causing it translate in the wrong direction.
         const style = {
             cursor: cursor,
-            transition: this.state.moving ? null : "transform 200ms ease 0s",
             transform: `translateX(${translatePixelsX})
                         translateY(${translatePixelsY})
                         scale(${zoom})
@@ -528,7 +580,7 @@ export default class ImageView extends React.Component<IProps, IState> {
                         style={style}
                         alt={this.props.name}
                         ref={this.image}
-                        className="mx_ImageView_image"
+                        className={`mx_ImageView_image ${transitionClassName}`}
                         draggable={true}
                         onMouseDown={this.onStartMoving}
                     />

src/components/views/elements/LanguageDropdown.tsx

@@ -16,13 +16,13 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 
-import * as sdk from '../../../index';
 import * as languageHandler from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
 import { _t } from "../../../languageHandler";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Spinner from "./Spinner";
+import Dropdown from "./Dropdown";
 
 function languageMatchesSearchQuery(query, language) {
     if (language.label.toUpperCase().includes(query.toUpperCase())) return true;
@@ -30,11 +30,22 @@ function languageMatchesSearchQuery(query, language) {
     return false;
 }
 
+interface IProps {
+    className?: string;
+    onOptionChange: (language: string) => void;
+    value?: string;
+    disabled?: boolean;
+}
+
+interface IState {
+    searchQuery: string;
+    langs: string[];
+}
+
 @replaceableComponent("views.elements.LanguageDropdown")
-export default class LanguageDropdown extends React.Component {
-    constructor(props) {
+export default class LanguageDropdown extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
         super(props);
-        this._onSearchChange = this._onSearchChange.bind(this);
 
         this.state = {
             searchQuery: '',
@@ -42,7 +53,7 @@ export default class LanguageDropdown extends React.Component {
         };
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         languageHandler.getAllLanguagesFromJson().then((langs) => {
             langs.sort(function(a, b) {
                 if (a.label < b.label) return -1;
@@ -63,20 +74,17 @@ export default class LanguageDropdown extends React.Component {
         }
     }
 
-    _onSearchChange(search) {
+    private onSearchChange = (search: string): void => {
         this.setState({
             searchQuery: search,
         });
-    }
+    };
 
-    render() {
+    public render(): JSX.Element {
         if (this.state.langs === null) {
-            const Spinner = sdk.getComponent('elements.Spinner');
             return <Spinner />;
         }
 
-        const Dropdown = sdk.getComponent('elements.Dropdown');
-
         let displayedLanguages;
         if (this.state.searchQuery) {
             displayedLanguages = this.state.langs.filter((lang) => {
@@ -107,7 +115,7 @@ export default class LanguageDropdown extends React.Component {
             id="mx_LanguageDropdown"
             className={this.props.className}
             onOptionChange={this.props.onOptionChange}
-            onSearchChange={this._onSearchChange}
+            onSearchChange={this.onSearchChange}
             searchEnabled={true}
             value={value}
             label={_t("Language Dropdown")}
@@ -118,8 +126,3 @@ export default class LanguageDropdown extends React.Component {
     }
 }
 
-LanguageDropdown.propTypes = {
-    className: PropTypes.string,
-    onOptionChange: PropTypes.func.isRequired,
-    value: PropTypes.string,
-};

src/components/views/elements/LazyRenderList.tsx

@@ -15,17 +15,16 @@ limitations under the License.
 */
 
 import React from "react";
-import PropTypes from 'prop-types';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
 class ItemRange {
-    constructor(topCount, renderCount, bottomCount) {
-        this.topCount = topCount;
-        this.renderCount = renderCount;
-        this.bottomCount = bottomCount;
-    }
+    constructor(
+        public topCount: number,
+        public renderCount: number,
+        public bottomCount: number,
+    ) { }
 
-    contains(range) {
+    public contains(range: ItemRange): boolean {
         // don't contain empty ranges
         // as it will prevent clearing the list
         // once it is scrolled far enough out of view
@@ -36,7 +35,7 @@ class ItemRange {
             (range.topCount + range.renderCount) <= (this.topCount + this.renderCount);
     }
 
-    expand(amount) {
+    public expand(amount: number): ItemRange {
         // don't expand ranges that won't render anything
         if (this.renderCount === 0) {
             return this;
@@ -51,20 +50,55 @@ class ItemRange {
         );
     }
 
-    totalSize() {
+    public totalSize(): number {
         return this.topCount + this.renderCount + this.bottomCount;
     }
 }
 
+interface IProps<T> {
+    // height in pixels of the component returned by `renderItem`
+    itemHeight: number;
+    // function to turn an element of `items` into a react component
+    renderItem: (item: T) => JSX.Element;
+    // scrollTop of the viewport (minus the height of any content above this list like other `LazyRenderList`s)
+    scrollTop: number;
+    // the height of the viewport this content is scrolled in
+    height: number;
+    // all items for the list. These should not be react components, see `renderItem`.
+    items?: T[];
+    // the amount of items to scroll before causing a rerender,
+    // should typically be less than `overflowItems` unless applying
+    // margins in the parent component when using multiple LazyRenderList in one viewport.
+    // use 0 to only rerender when items will come into view.
+    overflowMargin?: number;
+    // the amount of items to add at the top and bottom to render,
+    // so not every scroll of causes a rerender.
+    overflowItems?: number;
+
+    element?: string;
+    className?: string;
+}
+
+interface IState {
+    renderRange: ItemRange;
+}
+
 @replaceableComponent("views.elements.LazyRenderList")
-export default class LazyRenderList extends React.Component {
-    constructor(props) {
+export default class LazyRenderList<T = any> extends React.Component<IProps<T>, IState> {
+    public static defaultProps: Partial<IProps<unknown>> = {
+        overflowItems: 20,
+        overflowMargin: 5,
+    };
+
+    constructor(props: IProps<T>) {
         super(props);
 
-        this.state = {};
+        this.state = {
+            renderRange: null,
+        };
     }
 
-    static getDerivedStateFromProps(props, state) {
+    public static getDerivedStateFromProps(props: IProps<unknown>, state: IState): Partial<IState> {
         const range = LazyRenderList.getVisibleRangeFromProps(props);
         const intersectRange = range.expand(props.overflowMargin);
         const renderRange = range.expand(props.overflowItems);
@@ -77,7 +111,7 @@ export default class LazyRenderList extends React.Component {
         return null;
     }
 
-    static getVisibleRangeFromProps(props) {
+    private static getVisibleRangeFromProps(props: IProps<unknown>): ItemRange {
         const { items, itemHeight, scrollTop, height } = props;
         const length = items ? items.length : 0;
         const topCount = Math.min(Math.max(0, Math.floor(scrollTop / itemHeight)), length);
@@ -88,7 +122,7 @@ export default class LazyRenderList extends React.Component {
         return new ItemRange(topCount, renderCount, bottomCount);
     }
 
-    render() {
+    public render(): JSX.Element {
         const { itemHeight, items, renderItem } = this.props;
         const { renderRange } = this.state;
         const { topCount, renderCount, bottomCount } = renderRange;
@@ -109,28 +143,3 @@ export default class LazyRenderList extends React.Component {
     }
 }
 
-LazyRenderList.defaultProps = {
-    overflowItems: 20,
-    overflowMargin: 5,
-};
-
-LazyRenderList.propTypes = {
-    // height in pixels of the component returned by `renderItem`
-    itemHeight: PropTypes.number.isRequired,
-    // function to turn an element of `items` into a react component
-    renderItem: PropTypes.func.isRequired,
-    // scrollTop of the viewport (minus the height of any content above this list like other `LazyRenderList`s)
-    scrollTop: PropTypes.number.isRequired,
-    // the height of the viewport this content is scrolled in
-    height: PropTypes.number.isRequired,
-    // all items for the list. These should not be react components, see `renderItem`.
-    items: PropTypes.array,
-    // the amount of items to scroll before causing a rerender,
-    // should typically be less than `overflowItems` unless applying
-    // margins in the parent component when using multiple LazyRenderList in one viewport.
-    // use 0 to only rerender when items will come into view.
-    overflowMargin: PropTypes.number,
-    // the amount of items to add at the top and bottom to render,
-    // so not every scroll of causes a rerender.
-    overflowItems: PropTypes.number,
-};

src/components/views/elements/PersistedElement.tsx

@@ -16,25 +16,26 @@ limitations under the License.
 
 import React from 'react';
 import ReactDOM from 'react-dom';
-import PropTypes from 'prop-types';
 import { throttle } from "lodash";
-import ResizeObserver from 'resize-observer-polyfill';
 
 import dis from '../../../dispatcher/dispatcher';
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { isNullOrUndefined } from "matrix-js-sdk/src/utils";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { ActionPayload } from "../../../dispatcher/payloads";
+
+export const getPersistKey = (appId: string) => 'widget_' + appId;
 
 // Shamelessly ripped off Modal.js.  There's probably a better way
 // of doing reusable widgets like dialog boxes & menus where we go and
 // pass in a custom control as the actual body.
 
-function getContainer(containerId) {
-    return document.getElementById(containerId);
+function getContainer(containerId: string): HTMLDivElement {
+    return document.getElementById(containerId) as HTMLDivElement;
 }
 
-function getOrCreateContainer(containerId) {
+function getOrCreateContainer(containerId: string): HTMLDivElement {
     let container = getContainer(containerId);
 
     if (!container) {
@@ -46,7 +47,19 @@ function getOrCreateContainer(containerId) {
     return container;
 }
 
-/*
+interface IProps {
+    // Unique identifier for this PersistedElement instance
+    // Any PersistedElements with the same persistKey will use
+    // the same DOM container.
+    persistKey: string;
+
+    // z-index for the element. Defaults to 9.
+    zIndex?: number;
+
+    style?: React.StyleHTMLAttributes<HTMLDivElement>;
+}
+
+/**
  * Class of component that renders its children in a separate ReactDOM virtual tree
  * in a container element appended to document.body.
  *
@@ -58,42 +71,33 @@ function getOrCreateContainer(containerId) {
  * bounding rect as the parent of PE.
  */
 @replaceableComponent("views.elements.PersistedElement")
-export default class PersistedElement extends React.Component {
-    static propTypes = {
-        // Unique identifier for this PersistedElement instance
-        // Any PersistedElements with the same persistKey will use
-        // the same DOM container.
-        persistKey: PropTypes.string.isRequired,
+export default class PersistedElement extends React.Component<IProps> {
+    private resizeObserver: ResizeObserver;
+    private dispatcherRef: string;
+    private childContainer: HTMLDivElement;
+    private child: HTMLDivElement;
 
-        // z-index for the element. Defaults to 9.
-        zIndex: PropTypes.number,
-    };
+    constructor(props: IProps) {
+        super(props);
 
-    constructor() {
-        super();
-        this.collectChildContainer = this.collectChildContainer.bind(this);
-        this.collectChild = this.collectChild.bind(this);
-        this._repositionChild = this._repositionChild.bind(this);
-        this._onAction = this._onAction.bind(this);
-
-        this.resizeObserver = new ResizeObserver(this._repositionChild);
+        this.resizeObserver = new ResizeObserver(this.repositionChild);
         // Annoyingly, a resize observer is insufficient, since we also care
         // about when the element moves on the screen without changing its
         // dimensions. Doesn't look like there's a ResizeObserver equivalent
         // for this, so we bodge it by listening for document resize and
         // the timeline_resize action.
-        window.addEventListener('resize', this._repositionChild);
-        this._dispatcherRef = dis.register(this._onAction);
+        window.addEventListener('resize', this.repositionChild);
+        this.dispatcherRef = dis.register(this.onAction);
     }
 
     /**
      * Removes the DOM elements created when a PersistedElement with the given
      * persistKey was mounted. The DOM elements will be re-added if another
-     * PeristedElement is mounted in the future.
+     * PersistedElement is mounted in the future.
      *
      * @param {string} persistKey Key used to uniquely identify this PersistedElement
      */
-    static destroyElement(persistKey) {
+    public static destroyElement(persistKey: string): void {
         const container = getContainer('mx_persistedElement_' + persistKey);
         if (container) {
             container.remove();
@@ -104,7 +108,7 @@ export default class PersistedElement extends React.Component {
         return Boolean(getContainer('mx_persistedElement_' + persistKey));
     }
 
-    collectChildContainer(ref) {
+    private collectChildContainer = (ref: HTMLDivElement): void => {
         if (this.childContainer) {
             this.resizeObserver.unobserve(this.childContainer);
         }
@@ -112,48 +116,48 @@ export default class PersistedElement extends React.Component {
         if (ref) {
             this.resizeObserver.observe(ref);
         }
-    }
+    };
 
-    collectChild(ref) {
+    private collectChild = (ref: HTMLDivElement): void => {
         this.child = ref;
         this.updateChild();
-    }
+    };
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.updateChild();
         this.renderApp();
     }
 
-    componentDidUpdate() {
+    public componentDidUpdate(): void {
         this.updateChild();
         this.renderApp();
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
         this.updateChildVisibility(this.child, false);
         this.resizeObserver.disconnect();
-        window.removeEventListener('resize', this._repositionChild);
-        dis.unregister(this._dispatcherRef);
+        window.removeEventListener('resize', this.repositionChild);
+        dis.unregister(this.dispatcherRef);
     }
 
-    _onAction(payload) {
+    private onAction = (payload: ActionPayload): void => {
         if (payload.action === 'timeline_resize') {
-            this._repositionChild();
+            this.repositionChild();
         } else if (payload.action === 'logout') {
             PersistedElement.destroyElement(this.props.persistKey);
         }
-    }
+    };
 
-    _repositionChild() {
+    private repositionChild = (): void => {
         this.updateChildPosition(this.child, this.childContainer);
-    }
+    };
 
-    updateChild() {
+    private updateChild(): void {
         this.updateChildPosition(this.child, this.childContainer);
         this.updateChildVisibility(this.child, true);
     }
 
-    renderApp() {
+    private renderApp(): void {
         const content = <MatrixClientContext.Provider value={MatrixClientPeg.get()}>
             <div ref={this.collectChild} style={this.props.style}>
                 { this.props.children }
@@ -163,12 +167,12 @@ export default class PersistedElement extends React.Component {
         ReactDOM.render(content, getOrCreateContainer('mx_persistedElement_'+this.props.persistKey));
     }
 
-    updateChildVisibility(child, visible) {
+    private updateChildVisibility(child: HTMLDivElement, visible: boolean): void {
         if (!child) return;
         child.style.display = visible ? 'block' : 'none';
     }
 
-    updateChildPosition = throttle((child, parent) => {
+    private updateChildPosition = throttle((child: HTMLDivElement, parent: HTMLDivElement): void => {
         if (!child || !parent) return;
 
         const parentRect = parent.getBoundingClientRect();
@@ -182,9 +186,8 @@ export default class PersistedElement extends React.Component {
         });
     }, 100, { trailing: true, leading: true });
 
-    render() {
+    public render(): JSX.Element {
         return <div ref={this.collectChildContainer} />;
     }
 }
 
-export const getPersistKey = (appId) => 'widget_' + appId;

src/components/views/elements/PersistentApp.tsx

@@ -19,57 +19,70 @@ import React from 'react';
 import RoomViewStore from '../../../stores/RoomViewStore';
 import ActiveWidgetStore from '../../../stores/ActiveWidgetStore';
 import WidgetUtils from '../../../utils/WidgetUtils';
-import * as sdk from '../../../index';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { EventSubscription } from 'fbemitter';
+import AppTile from "./AppTile";
+import { Room } from "matrix-js-sdk/src/models/room";
+
+interface IState {
+    roomId: string;
+    persistentWidgetId: string;
+}
 
 @replaceableComponent("views.elements.PersistentApp")
-export default class PersistentApp extends React.Component {
-    state = {
-        roomId: RoomViewStore.getRoomId(),
-        persistentWidgetId: ActiveWidgetStore.getPersistentWidgetId(),
-    };
+export default class PersistentApp extends React.Component<{}, IState> {
+    private roomStoreToken: EventSubscription;
 
-    componentDidMount() {
-        this._roomStoreToken = RoomViewStore.addListener(this._onRoomViewStoreUpdate);
-        ActiveWidgetStore.on('update', this._onActiveWidgetStoreUpdate);
-        MatrixClientPeg.get().on("Room.myMembership", this._onMyMembership);
+    constructor() {
+        super({});
+
+        this.state = {
+            roomId: RoomViewStore.getRoomId(),
+            persistentWidgetId: ActiveWidgetStore.getPersistentWidgetId(),
+        };
     }
 
-    componentWillUnmount() {
-        if (this._roomStoreToken) {
-            this._roomStoreToken.remove();
+    public componentDidMount(): void {
+        this.roomStoreToken = RoomViewStore.addListener(this.onRoomViewStoreUpdate);
+        ActiveWidgetStore.on('update', this.onActiveWidgetStoreUpdate);
+        MatrixClientPeg.get().on("Room.myMembership", this.onMyMembership);
+    }
+
+    public componentWillUnmount(): void {
+        if (this.roomStoreToken) {
+            this.roomStoreToken.remove();
         }
-        ActiveWidgetStore.removeListener('update', this._onActiveWidgetStoreUpdate);
+        ActiveWidgetStore.removeListener('update', this.onActiveWidgetStoreUpdate);
         if (MatrixClientPeg.get()) {
-            MatrixClientPeg.get().removeListener("Room.myMembership", this._onMyMembership);
+            MatrixClientPeg.get().removeListener("Room.myMembership", this.onMyMembership);
         }
     }
 
-    _onRoomViewStoreUpdate = payload => {
+    private onRoomViewStoreUpdate = (): void => {
         if (RoomViewStore.getRoomId() === this.state.roomId) return;
         this.setState({
             roomId: RoomViewStore.getRoomId(),
         });
     };
 
-    _onActiveWidgetStoreUpdate = () => {
+    private onActiveWidgetStoreUpdate = (): void => {
         this.setState({
             persistentWidgetId: ActiveWidgetStore.getPersistentWidgetId(),
         });
     };
 
-    _onMyMembership = async (room, membership) => {
+    private onMyMembership = async (room: Room, membership: string): Promise<void> => {
         const persistentWidgetInRoomId = ActiveWidgetStore.getRoomId(this.state.persistentWidgetId);
         if (membership !== "join") {
             // we're not in the room anymore - delete
-            if (room.roomId === persistentWidgetInRoomId) {
+            if (room .roomId === persistentWidgetInRoomId) {
                 ActiveWidgetStore.destroyPersistentWidget(this.state.persistentWidgetId);
             }
         }
     };
 
-    render() {
+    public render(): JSX.Element {
         if (this.state.persistentWidgetId) {
             const persistentWidgetInRoomId = ActiveWidgetStore.getRoomId(this.state.persistentWidgetId);
 
@@ -89,7 +102,6 @@ export default class PersistentApp extends React.Component {
                     appEvent.getStateKey(), appEvent.getContent(), appEvent.getSender(),
                     persistentWidgetInRoomId, appEvent.getId(),
                 );
-                const AppTile = sdk.getComponent('elements.AppTile');
                 return <AppTile
                     key={app.id}
                     app={app}

src/components/views/elements/PowerSelector.tsx

@@ -15,40 +15,52 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import * as Roles from '../../../Roles';
 import { _t } from '../../../languageHandler';
 import Field from "./Field";
 import { Key } from "../../../Keyboard";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+const CUSTOM_VALUE = "SELECT_VALUE_CUSTOM";
+
+interface IProps {
+    value: number;
+    // The maximum value that can be set with the power selector
+    maxValue: number;
+
+    // Default user power level for the room
+    usersDefault: number;
+
+    // should the user be able to change the value? false by default.
+    disabled?: boolean;
+    onChange?: (value: number, powerLevelKey: string) => void;
+
+    // Optional key to pass as the second argument to `onChange`
+    powerLevelKey?: string;
+
+    // The name to annotate the selector with
+    label?: string;
+}
+
+interface IState {
+    levelRoleMap: {};
+    // List of power levels to show in the drop-down
+    options: number[];
+
+    customValue: number;
+    selectValue: number | string;
+    custom?: boolean;
+    customLevel?: number;
+}
+
 @replaceableComponent("views.elements.PowerSelector")
-export default class PowerSelector extends React.Component {
-    static propTypes = {
-        value: PropTypes.number.isRequired,
-        // The maximum value that can be set with the power selector
-        maxValue: PropTypes.number.isRequired,
-
-        // Default user power level for the room
-        usersDefault: PropTypes.number.isRequired,
-
-        // should the user be able to change the value? false by default.
-        disabled: PropTypes.bool,
-        onChange: PropTypes.func,
-
-        // Optional key to pass as the second argument to `onChange`
-        powerLevelKey: PropTypes.string,
-
-        // The name to annotate the selector with
-        label: PropTypes.string,
-    }
-
-    static defaultProps = {
+export default class PowerSelector extends React.Component<IProps, IState> {
+    public static defaultProps: Partial<IProps> = {
         maxValue: Infinity,
         usersDefault: 0,
     };
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
 
         this.state = {
@@ -62,26 +74,26 @@ export default class PowerSelector extends React.Component {
     }
 
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    // eslint-disable-next-line camelcase
-    UNSAFE_componentWillMount() {
-        this._initStateFromProps(this.props);
+    // eslint-disable-next-line camelcase, @typescript-eslint/naming-convention
+    public UNSAFE_componentWillMount(): void {
+        this.initStateFromProps(this.props);
     }
 
-    // eslint-disable-next-line camelcase
-    UNSAFE_componentWillReceiveProps(newProps) {
-        this._initStateFromProps(newProps);
+    // eslint-disable-next-line camelcase, @typescript-eslint/naming-convention
+    public UNSAFE_componentWillReceiveProps(newProps: IProps): void {
+        this.initStateFromProps(newProps);
     }
 
-    _initStateFromProps(newProps) {
+    private initStateFromProps(newProps: IProps): void {
         // This needs to be done now because levelRoleMap has translated strings
         const levelRoleMap = Roles.levelRoleMap(newProps.usersDefault);
         const options = Object.keys(levelRoleMap).filter(level => {
             return (
                 level === undefined ||
-                level <= newProps.maxValue ||
-                level == newProps.value
+                parseInt(level) <= newProps.maxValue ||
+                parseInt(level) == newProps.value
             );
-        });
+        }).map(level => parseInt(level));
 
         const isCustom = levelRoleMap[newProps.value] === undefined;
 
@@ -90,32 +102,33 @@ export default class PowerSelector extends React.Component {
             options,
             custom: isCustom,
             customLevel: newProps.value,
-            selectValue: isCustom ? "SELECT_VALUE_CUSTOM" : newProps.value,
+            selectValue: isCustom ? CUSTOM_VALUE : newProps.value,
         });
     }
 
-    onSelectChange = event => {
-        const isCustom = event.target.value === "SELECT_VALUE_CUSTOM";
+    private onSelectChange = (event: React.ChangeEvent<HTMLSelectElement>): void => {
+        const isCustom = event.target.value === CUSTOM_VALUE;
         if (isCustom) {
             this.setState({ custom: true });
         } else {
-            this.props.onChange(event.target.value, this.props.powerLevelKey);
-            this.setState({ selectValue: event.target.value });
+            const powerLevel = parseInt(event.target.value);
+            this.props.onChange(powerLevel, this.props.powerLevelKey);
+            this.setState({ selectValue: powerLevel });
         }
     };
 
-    onCustomChange = event => {
-        this.setState({ customValue: event.target.value });
+    private onCustomChange = (event: React.ChangeEvent<HTMLInputElement>): void => {
+        this.setState({ customValue: parseInt(event.target.value) });
     };
 
-    onCustomBlur = event => {
+    private onCustomBlur = (event: React.FocusEvent): void => {
         event.preventDefault();
         event.stopPropagation();
 
-        this.props.onChange(parseInt(this.state.customValue), this.props.powerLevelKey);
+        this.props.onChange(this.state.customValue, this.props.powerLevelKey);
     };
 
-    onCustomKeyDown = event => {
+    private onCustomKeyDown = (event: React.KeyboardEvent<HTMLInputElement>): void => {
         if (event.key === Key.ENTER) {
             event.preventDefault();
             event.stopPropagation();
@@ -125,11 +138,11 @@ export default class PowerSelector extends React.Component {
             // raising a dialog which causes a blur which causes a dialog which causes a blur and
             // so on. By not causing the onChange to be called here, we avoid the loop because we
             // handle the onBlur safely.
-            event.target.blur();
+            (event.target as HTMLInputElement).blur();
         }
     };
 
-    render() {
+    public render(): JSX.Element {
         let picker;
         const label = typeof this.props.label === "undefined" ? _t("Power level") : this.props.label;
         if (this.state.custom) {
@@ -147,14 +160,14 @@ export default class PowerSelector extends React.Component {
             );
         } else {
             // Each level must have a definition in this.state.levelRoleMap
-            let options = this.state.options.map((level) => {
+            const options = this.state.options.map((level) => {
                 return {
-                    value: level,
+                    value: String(level),
                     text: Roles.textualPowerLevel(level, this.props.usersDefault),
                 };
             });
-            options.push({ value: "SELECT_VALUE_CUSTOM", text: _t("Custom level") });
-            options = options.map((op) => {
+            options.push({ value: CUSTOM_VALUE, text: _t("Custom level") });
+            const optionsElements = options.map((op) => {
                 return <option value={op.value} key={op.value}>{ op.text }</option>;
             });
 
@@ -166,7 +179,7 @@ export default class PowerSelector extends React.Component {
                     value={String(this.state.selectValue)}
                     disabled={this.props.disabled}
                 >
-                    { options }
+                    { optionsElements }
                 </Field>
             );
         }

src/components/views/elements/ReplyThread.tsx

@@ -88,7 +88,13 @@ export default class ReplyThread extends React.Component<IProps, IState> {
         // could be used here for replies as well... However, the helper
         // currently assumes the relation has a `rel_type`, which older replies
         // do not, so this block is left as-is for now.
-        const mRelatesTo = ev.getWireContent()['m.relates_to'];
+        //
+        // We're prefer ev.getContent() over ev.getWireContent() to make sure
+        // we grab the latest edit with potentially new relations. But we also
+        // can't just rely on ev.getContent() by itself because historically we
+        // still show the reply from the original message even though the edit
+        // event does not include the relation reply.
+        const mRelatesTo = ev.getContent()['m.relates_to'] || ev.getWireContent()['m.relates_to'];
         if (mRelatesTo && mRelatesTo['m.in_reply_to']) {
             const mInReplyTo = mRelatesTo['m.in_reply_to'];
             if (mInReplyTo && mInReplyTo['event_id']) return mInReplyTo['event_id'];

src/components/views/elements/Spoiler.tsx

@@ -17,25 +17,34 @@
 import React from 'react';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+interface IProps {
+    reason?: string;
+    contentHtml: string;
+}
+
+interface IState {
+    visible: boolean;
+}
+
 @replaceableComponent("views.elements.Spoiler")
-export default class Spoiler extends React.Component {
-    constructor(props) {
+export default class Spoiler extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
         super(props);
         this.state = {
             visible: false,
         };
     }
 
-    toggleVisible(e) {
+    private toggleVisible = (e: React.MouseEvent): void => {
         if (!this.state.visible) {
             // we are un-blurring, we don't want this click to propagate to potential child pills
             e.preventDefault();
             e.stopPropagation();
         }
         this.setState({ visible: !this.state.visible });
-    }
+    };
 
-    render() {
+    public render(): JSX.Element {
         const reason = this.props.reason ? (
             <span className="mx_EventTile_spoiler_reason">{ "(" + this.props.reason + ")" }</span>
         ) : null;
@@ -43,7 +52,7 @@ export default class Spoiler extends React.Component {
         // as such, we pass the this.props.contentHtml instead and then set the raw
         // HTML content. This is secure as the contents have already been parsed previously
         return (
-            <span className={"mx_EventTile_spoiler" + (this.state.visible ? " visible" : "")} onClick={this.toggleVisible.bind(this)}>
+            <span className={"mx_EventTile_spoiler" + (this.state.visible ? " visible" : "")} onClick={this.toggleVisible}>
                 { reason }
                 &nbsp;
                 <span className="mx_EventTile_spoiler_content" dangerouslySetInnerHTML={{ __html: this.props.contentHtml }} />

src/components/views/elements/SyntaxHighlight.tsx

@@ -15,40 +15,40 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { highlightBlock } from 'highlight.js';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 
+interface IProps {
+    className?: string;
+    children?: React.ReactNode;
+}
+
 @replaceableComponent("views.elements.SyntaxHighlight")
-export default class SyntaxHighlight extends React.Component {
-    static propTypes = {
-        className: PropTypes.string,
-        children: PropTypes.node,
-    };
+export default class SyntaxHighlight extends React.Component<IProps> {
+    private el: HTMLPreElement = null;
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
-
-        this._ref = this._ref.bind(this);
     }
 
     // componentDidUpdate used here for reusability
-    componentDidUpdate() {
-        if (this._el) highlightBlock(this._el);
+    public componentDidUpdate(): void {
+        if (this.el) highlightBlock(this.el);
     }
 
     // call componentDidUpdate because _ref is fired on initial render
     // which does not fire componentDidUpdate
-    _ref(el) {
-        this._el = el;
+    private ref = (el: HTMLPreElement): void => {
+        this.el = el;
         this.componentDidUpdate();
-    }
+    };
 
-    render() {
+    public render(): JSX.Element {
         const { className, children } = this.props;
 
-        return <pre className={`${className} mx_SyntaxHighlight`} ref={this._ref}>
+        return <pre className={`${className} mx_SyntaxHighlight`} ref={this.ref}>
             <code>{ children }</code>
         </pre>;
     }
 }
+

src/components/views/elements/TextWithTooltip.tsx

@@ -15,42 +15,44 @@
  */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Tooltip from "./Tooltip";
+
+interface IProps {
+    class?: string;
+    tooltipClass?: string;
+    tooltip: React.ReactNode;
+    tooltipProps?: {};
+    onClick?: (ev?: React.MouseEvent) => void;
+}
+
+interface IState {
+    hover: boolean;
+}
 
 @replaceableComponent("views.elements.TextWithTooltip")
-export default class TextWithTooltip extends React.Component {
-    static propTypes = {
-        class: PropTypes.string,
-        tooltipClass: PropTypes.string,
-        tooltip: PropTypes.node.isRequired,
-        tooltipProps: PropTypes.object,
-    };
-
-    constructor() {
-        super();
+export default class TextWithTooltip extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
+        super(props);
 
         this.state = {
             hover: false,
         };
     }
 
-    onMouseOver = () => {
+    private onMouseOver = (): void => {
         this.setState({ hover: true });
     };
 
-    onMouseLeave = () => {
+    private onMouseLeave = (): void => {
         this.setState({ hover: false });
     };
 
-    render() {
-        const Tooltip = sdk.getComponent("elements.Tooltip");
-
+    public render(): JSX.Element {
         const { class: className, children, tooltip, tooltipClass, tooltipProps, ...props } = this.props;
 
         return (
-            <span {...props} onMouseOver={this.onMouseOver} onMouseLeave={this.onMouseLeave} className={className}>
+            <span {...props} onMouseOver={this.onMouseOver} onMouseLeave={this.onMouseLeave} onClick={this.props.onClick} className={className}>
                 { children }
                 { this.state.hover && <Tooltip
                     {...tooltipProps}

src/components/views/elements/crypto/VerificationQRCode.tsx

@@ -15,20 +15,20 @@ limitations under the License.
 */
 
 import React from "react";
-import PropTypes from "prop-types";
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
 import QRCode from "../QRCode";
+import { QRCodeData } from "matrix-js-sdk/src/crypto/verification/QRCode";
+
+interface IProps {
+    qrCodeData: QRCodeData;
+}
 
 @replaceableComponent("views.elements.crypto.VerificationQRCode")
-export default class VerificationQRCode extends React.PureComponent {
-    static propTypes = {
-        qrCodeData: PropTypes.object.isRequired,
-    };
-
-    render() {
+export default class VerificationQRCode extends React.PureComponent<IProps> {
+    public render(): JSX.Element {
         return (
             <QRCode
-                data={[{ data: this.props.qrCodeData.buffer, mode: 'byte' }]}
+                data={[{ data: this.props.qrCodeData.getBuffer(), mode: 'byte' }]}
                 className="mx_VerificationQRCode"
                 width={196} />
         );

src/components/views/messages/MFileBody.tsx

@@ -29,6 +29,8 @@ import { IBodyProps } from "./IBodyProps";
 import { FileDownloader } from "../../../utils/FileDownloader";
 import TextWithTooltip from "../elements/TextWithTooltip";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export let DOWNLOAD_ICON_URL; // cached copy of the download.svg asset for the sandboxed iframe later on
 
 async function cacheDownloadIcon() {
@@ -283,7 +285,7 @@ export default class MFileBody extends React.Component<IProps, IState> {
             if (["application/pdf"].includes(fileType) && !fileTooBig) {
                 // We want to force a download on this type, so use an onClick handler.
                 downloadProps["onClick"] = (e) => {
-                    console.log(`Downloading ${fileType} as blob (unencrypted)`);
+                    logger.log(`Downloading ${fileType} as blob (unencrypted)`);
 
                     // Avoid letting the <a> do its thing
                     e.preventDefault();

src/components/views/messages/MImageBody.tsx

@@ -117,6 +117,17 @@ export default class MImageBody extends React.Component<IBodyProps, IState> {
                 params.fileSize = content.info.size;
             }
 
+            if (this.image.current) {
+                const clientRect = this.image.current.getBoundingClientRect();
+
+                params.thumbnailInfo = {
+                    width: clientRect.width,
+                    height: clientRect.height,
+                    positionX: clientRect.x,
+                    positionY: clientRect.y,
+                };
+            }
+
             Modal.createDialog(ImageView, params, "mx_Dialog_lightbox", null, true);
         }
     };

src/components/views/messages/MVideoBody.tsx

@@ -27,6 +27,8 @@ import { IMediaEventContent } from "../../../customisations/models/IMediaEventCo
 import { IBodyProps } from "./IBodyProps";
 import MFileBody from "./MFileBody";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IState {
     decryptedUrl?: string;
     decryptedThumbnailUrl?: string;
@@ -152,7 +154,7 @@ export default class MVideoBody extends React.PureComponent<IBodyProps, IState>
             try {
                 const thumbnailUrl = await this.props.mediaEventHelper.thumbnailUrl.value;
                 if (autoplay) {
-                    console.log("Preloading video");
+                    logger.log("Preloading video");
                     this.setState({
                         decryptedUrl: await this.props.mediaEventHelper.sourceUrl.value,
                         decryptedThumbnailUrl: thumbnailUrl,
@@ -160,7 +162,7 @@ export default class MVideoBody extends React.PureComponent<IBodyProps, IState>
                     });
                     this.props.onHeightChanged();
                 } else {
-                    console.log("NOT preloading video");
+                    logger.log("NOT preloading video");
                     const content = this.props.mxEvent.getContent<IMediaEventContent>();
                     this.setState({
                         // For Chrome and Electron, we need to set some non-empty `src` to

src/components/views/right_panel/UserInfo.tsx

@@ -71,6 +71,8 @@ import UIStore from "../../../stores/UIStore";
 import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
 import SpaceStore from "../../../stores/SpaceStore";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 export interface IDevice {
     deviceId: string;
     ambiguous?: boolean;
@@ -557,7 +559,7 @@ const RoomKickButton: React.FC<IBaseProps> = ({ member, startUpdating, stopUpdat
         cli.kick(member.roomId, member.userId, reason || undefined).then(() => {
             // NO-OP; rely on the m.room.member event coming down else we could
             // get out of sync if we force setState here!
-            console.log("Kick success");
+            logger.log("Kick success");
         }, function(err) {
             console.error("Kick error: " + err);
             Modal.createTrackedDialog('Failed to kick', '', ErrorDialog, {
@@ -684,7 +686,7 @@ const BanToggleButton: React.FC<IBaseProps> = ({ member, startUpdating, stopUpda
         promise.then(() => {
             // NO-OP; rely on the m.room.member event coming down else we could
             // get out of sync if we force setState here!
-            console.log("Ban success");
+            logger.log("Ban success");
         }, function(err) {
             console.error("Ban error: " + err);
             Modal.createTrackedDialog('Failed to ban user', '', ErrorDialog, {
@@ -757,7 +759,7 @@ const MuteToggleButton: React.FC<IBaseRoomProps> = ({ member, room, powerLevels,
             cli.setPowerLevel(roomId, target, level, powerLevelEvent).then(() => {
                 // NO-OP; rely on the m.room.member event coming down else we could
                 // get out of sync if we force setState here!
-                console.log("Mute toggle success");
+                logger.log("Mute toggle success");
             }, function(err) {
                 console.error("Mute error: " + err);
                 Modal.createTrackedDialog('Failed to mute user', '', ErrorDialog, {
@@ -917,7 +919,7 @@ const GroupAdminToolsSection: React.FC<{
                         _t('Failed to withdraw invitation') :
                         _t('Failed to remove user from community'),
                 });
-                console.log(e);
+                logger.log(e);
             }).finally(() => {
                 stopUpdating();
             });
@@ -1052,8 +1054,7 @@ const PowerLevelEditor: React.FC<{
     const cli = useContext(MatrixClientContext);
 
     const [selectedPowerLevel, setSelectedPowerLevel] = useState(user.powerLevel);
-    const onPowerChange = useCallback(async (powerLevelStr: string) => {
-        const powerLevel = parseInt(powerLevelStr, 10);
+    const onPowerChange = useCallback(async (powerLevel: number) => {
         setSelectedPowerLevel(powerLevel);
 
         const applyPowerChange = (roomId, target, powerLevel, powerLevelEvent) => {
@@ -1061,7 +1062,7 @@ const PowerLevelEditor: React.FC<{
                 function() {
                     // NO-OP; rely on the m.room.member event coming down else we could
                     // get out of sync if we force setState here!
-                    console.log("Power change success");
+                    logger.log("Power change success");
                 }, function(err) {
                     console.error("Failed to change power level " + err);
                     Modal.createTrackedDialog('Failed to change power level', '', ErrorDialog, {

src/components/views/right_panel/VerificationPanel.tsx

@@ -28,7 +28,7 @@ import { SAS } from "matrix-js-sdk/src/crypto/verification/SAS";
 import VerificationQRCode from "../elements/crypto/VerificationQRCode";
 import { _t } from "../../../languageHandler";
 import SdkConfig from "../../../SdkConfig";
-import E2EIcon from "../rooms/E2EIcon";
+import E2EIcon, { E2EState } from "../rooms/E2EIcon";
 import { Phase } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 import Spinner from "../elements/Spinner";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
@@ -189,7 +189,7 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
             // Element Web doesn't support scanning yet, so assume here we're the client being scanned.
             body = <React.Fragment>
                 <p>{ description }</p>
-                <E2EIcon isUser={true} status="verified" size={128} hideTooltip={true} />
+                <E2EIcon isUser={true} status={E2EState.Verified} size={128} hideTooltip={true} />
                 <div className="mx_VerificationPanel_reciprocateButtons">
                     <AccessibleButton
                         kind="danger"
@@ -252,7 +252,7 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
             <div className="mx_UserInfo_container mx_VerificationPanel_verified_section">
                 <h3>{ _t("Verified") }</h3>
                 <p>{ description }</p>
-                <E2EIcon isUser={true} status="verified" size={128} hideTooltip={true} />
+                <E2EIcon isUser={true} status={E2EState.Verified} size={128} hideTooltip={true} />
                 { text ? <p>{ text }</p> : null }
                 <AccessibleButton kind="primary" className="mx_UserInfo_wideButton" onClick={this.props.onClose}>
                     { _t("Got it") }

src/components/views/right_panel/WidgetCard.tsx

@@ -97,7 +97,6 @@ const WidgetCard: React.FC<IProps> = ({ room, widgetId, onClose }) => {
         <AppTile
             app={app}
             fullWidth
-            show
             showMenubar={false}
             room={room}
             userId={cli.getUserId()}

src/components/views/room_settings/RoomProfileSettings.tsx

@@ -15,27 +15,43 @@ limitations under the License.
 */
 
 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../languageHandler";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import Field from "../elements/Field";
-import * as sdk from "../../../index";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromMxc } from "../../../customisations/Media";
+import AccessibleButton from "../elements/AccessibleButton";
+import AvatarSetting from "../settings/AvatarSetting";
+
+interface IProps {
+    roomId: string;
+}
+
+interface IState {
+    originalDisplayName: string;
+    displayName: string;
+    originalAvatarUrl: string;
+    avatarUrl: string;
+    avatarFile: File;
+    originalTopic: string;
+    topic: string;
+    enableProfileSave: boolean;
+    canSetName: boolean;
+    canSetTopic: boolean;
+    canSetAvatar: boolean;
+}
 
 // TODO: Merge with ProfileSettings?
 @replaceableComponent("views.room_settings.RoomProfileSettings")
-export default class RoomProfileSettings extends React.Component {
-    static propTypes = {
-        roomId: PropTypes.string.isRequired,
-    };
+export default class RoomProfileSettings extends React.Component<IProps, IState> {
+    private avatarUpload = createRef<HTMLInputElement>();
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
 
         const client = MatrixClientPeg.get();
         const room = client.getRoom(props.roomId);
-        if (!room) throw new Error("Expected a room for ID: ", props.roomId);
+        if (!room) throw new Error(`Expected a room for ID: ${props.roomId}`);
 
         const avatarEvent = room.currentState.getStateEvents("m.room.avatar", "");
         let avatarUrl = avatarEvent && avatarEvent.getContent() ? avatarEvent.getContent()["url"] : null;
@@ -60,17 +76,15 @@ export default class RoomProfileSettings extends React.Component {
             canSetTopic: room.currentState.maySendStateEvent('m.room.topic', client.getUserId()),
             canSetAvatar: room.currentState.maySendStateEvent('m.room.avatar', client.getUserId()),
         };
-
-        this._avatarUpload = createRef();
     }
 
-    _uploadAvatar = () => {
-        this._avatarUpload.current.click();
+    private uploadAvatar = (): void => {
+        this.avatarUpload.current.click();
     };
 
-    _removeAvatar = () => {
+    private removeAvatar = (): void => {
         // clear file upload field so same file can be selected
-        this._avatarUpload.current.value = "";
+        this.avatarUpload.current.value = "";
         this.setState({
             avatarUrl: null,
             avatarFile: null,
@@ -78,7 +92,7 @@ export default class RoomProfileSettings extends React.Component {
         });
     };
 
-    _cancelProfileChanges = async (e) => {
+    private cancelProfileChanges = async (e: React.MouseEvent): Promise<void> => {
         e.stopPropagation();
         e.preventDefault();
 
@@ -92,7 +106,7 @@ export default class RoomProfileSettings extends React.Component {
         });
     };
 
-    _saveProfile = async (e) => {
+    private saveProfile = async (e: React.FormEvent): Promise<void> => {
         e.stopPropagation();
         e.preventDefault();
 
@@ -100,35 +114,46 @@ export default class RoomProfileSettings extends React.Component {
         this.setState({ enableProfileSave: false });
 
         const client = MatrixClientPeg.get();
-        const newState = {};
+
+        let originalDisplayName: string;
+        let avatarUrl: string;
+        let originalAvatarUrl: string;
+        let originalTopic: string;
+        let avatarFile: File;
 
         // TODO: What do we do about errors?
         const displayName = this.state.displayName.trim();
         if (this.state.originalDisplayName !== this.state.displayName) {
             await client.setRoomName(this.props.roomId, displayName);
-            newState.originalDisplayName = displayName;
-            newState.displayName = displayName;
+            originalDisplayName = displayName;
         }
 
         if (this.state.avatarFile) {
             const uri = await client.uploadContent(this.state.avatarFile);
             await client.sendStateEvent(this.props.roomId, 'm.room.avatar', { url: uri }, '');
-            newState.avatarUrl = mediaFromMxc(uri).getSquareThumbnailHttp(96);
-            newState.originalAvatarUrl = newState.avatarUrl;
-            newState.avatarFile = null;
+            avatarUrl = mediaFromMxc(uri).getSquareThumbnailHttp(96);
+            originalAvatarUrl = avatarUrl;
+            avatarFile = null;
         } else if (this.state.originalAvatarUrl !== this.state.avatarUrl) {
             await client.sendStateEvent(this.props.roomId, 'm.room.avatar', {}, '');
         }
 
         if (this.state.originalTopic !== this.state.topic) {
             await client.setRoomTopic(this.props.roomId, this.state.topic);
-            newState.originalTopic = this.state.topic;
+            originalTopic = this.state.topic;
         }
 
-        this.setState(newState);
+        this.setState({
+            originalAvatarUrl,
+            avatarUrl,
+            originalDisplayName,
+            originalTopic,
+            displayName,
+            avatarFile,
+        });
     };
 
-    _onDisplayNameChanged = (e) => {
+    private onDisplayNameChanged = (e: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({ displayName: e.target.value });
         if (this.state.originalDisplayName === e.target.value) {
             this.setState({ enableProfileSave: false });
@@ -137,7 +162,7 @@ export default class RoomProfileSettings extends React.Component {
         }
     };
 
-    _onTopicChanged = (e) => {
+    private onTopicChanged = (e: React.ChangeEvent<HTMLTextAreaElement>): void => {
         this.setState({ topic: e.target.value });
         if (this.state.originalTopic === e.target.value) {
             this.setState({ enableProfileSave: false });
@@ -146,7 +171,7 @@ export default class RoomProfileSettings extends React.Component {
         }
     };
 
-    _onAvatarChanged = (e) => {
+    private onAvatarChanged = (e: React.ChangeEvent<HTMLInputElement>): void => {
         if (!e.target.files || !e.target.files.length) {
             this.setState({
                 avatarUrl: this.state.originalAvatarUrl,
@@ -160,7 +185,7 @@ export default class RoomProfileSettings extends React.Component {
         const reader = new FileReader();
         reader.onload = (ev) => {
             this.setState({
-                avatarUrl: ev.target.result,
+                avatarUrl: String(ev.target.result),
                 avatarFile: file,
                 enableProfileSave: true,
             });
@@ -168,10 +193,7 @@ export default class RoomProfileSettings extends React.Component {
         reader.readAsDataURL(file);
     };
 
-    render() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-        const AvatarSetting = sdk.getComponent('settings.AvatarSetting');
-
+    public render(): JSX.Element {
         let profileSettingsButtons;
         if (
             this.state.canSetName ||
@@ -181,14 +203,14 @@ export default class RoomProfileSettings extends React.Component {
             profileSettingsButtons = (
                 <div className="mx_ProfileSettings_buttons">
                     <AccessibleButton
-                        onClick={this._cancelProfileChanges}
+                        onClick={this.cancelProfileChanges}
                         kind="link"
                         disabled={!this.state.enableProfileSave}
                     >
                         { _t("Cancel") }
                     </AccessibleButton>
                     <AccessibleButton
-                        onClick={this._saveProfile}
+                        onClick={this.saveProfile}
                         kind="primary"
                         disabled={!this.state.enableProfileSave}
                     >
@@ -200,16 +222,16 @@ export default class RoomProfileSettings extends React.Component {
 
         return (
             <form
-                onSubmit={this._saveProfile}
+                onSubmit={this.saveProfile}
                 autoComplete="off"
                 noValidate={true}
                 className="mx_ProfileSettings_profileForm"
             >
                 <input
                     type="file"
-                    ref={this._avatarUpload}
+                    ref={this.avatarUpload}
                     className="mx_ProfileSettings_avatarUpload"
-                    onChange={this._onAvatarChanged}
+                    onChange={this.onAvatarChanged}
                     accept="image/*"
                 />
                 <div className="mx_ProfileSettings_profile">
@@ -219,7 +241,7 @@ export default class RoomProfileSettings extends React.Component {
                             type="text"
                             value={this.state.displayName}
                             autoComplete="off"
-                            onChange={this._onDisplayNameChanged}
+                            onChange={this.onDisplayNameChanged}
                             disabled={!this.state.canSetName}
                         />
                         <Field
@@ -230,7 +252,7 @@ export default class RoomProfileSettings extends React.Component {
                             type="text"
                             value={this.state.topic}
                             autoComplete="off"
-                            onChange={this._onTopicChanged}
+                            onChange={this.onTopicChanged}
                             element="textarea"
                         />
                     </div>
@@ -238,8 +260,8 @@ export default class RoomProfileSettings extends React.Component {
                         avatarUrl={this.state.avatarUrl}
                         avatarName={this.state.displayName || this.props.roomId}
                         avatarAltText={_t("Room avatar")}
-                        uploadAvatar={this.state.canSetAvatar ? this._uploadAvatar : undefined}
-                        removeAvatar={this.state.canSetAvatar ? this._removeAvatar : undefined} />
+                        uploadAvatar={this.state.canSetAvatar ? this.uploadAvatar : undefined}
+                        removeAvatar={this.state.canSetAvatar ? this.removeAvatar : undefined} />
                 </div>
                 { profileSettingsButtons }
             </form>

src/components/views/room_settings/UrlPreviewSettings.tsx

@@ -18,8 +18,6 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from "../../../index";
 import { _t, _td } from '../../../languageHandler';
 import SettingsStore from "../../../settings/SettingsStore";
 import dis from "../../../dispatcher/dispatcher";
@@ -27,21 +25,22 @@ import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { Action } from "../../../dispatcher/actions";
 import { SettingLevel } from "../../../settings/SettingLevel";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { Room } from "matrix-js-sdk/src/models/room";
+import SettingsFlag from "../elements/SettingsFlag";
+
+interface IProps {
+    room: Room;
+}
 
 @replaceableComponent("views.room_settings.UrlPreviewSettings")
-export default class UrlPreviewSettings extends React.Component {
-    static propTypes = {
-        room: PropTypes.object,
-    };
-
-    _onClickUserSettings = (e) => {
+export default class UrlPreviewSettings extends React.Component<IProps> {
+    private onClickUserSettings = (e: React.MouseEvent): void => {
         e.preventDefault();
         e.stopPropagation();
         dis.fire(Action.ViewUserSettings);
     };
 
-    render() {
-        const SettingsFlag = sdk.getComponent("elements.SettingsFlag");
+    public render(): JSX.Element {
         const roomId = this.props.room.roomId;
         const isEncrypted = MatrixClientPeg.get().isRoomEncrypted(roomId);
 
@@ -54,18 +53,18 @@ export default class UrlPreviewSettings extends React.Component {
             if (accountEnabled) {
                 previewsForAccount = (
                     _t("You have <a>enabled</a> URL previews by default.", {}, {
-                        'a': (sub)=><a onClick={this._onClickUserSettings} href=''>{ sub }</a>,
+                        'a': (sub)=><a onClick={this.onClickUserSettings} href=''>{ sub }</a>,
                     })
                 );
             } else {
                 previewsForAccount = (
                     _t("You have <a>disabled</a> URL previews by default.", {}, {
-                        'a': (sub)=><a onClick={this._onClickUserSettings} href=''>{ sub }</a>,
+                        'a': (sub)=><a onClick={this.onClickUserSettings} href=''>{ sub }</a>,
                     })
                 );
             }
 
-            if (SettingsStore.canSetValue("urlPreviewsEnabled", roomId, "room")) {
+            if (SettingsStore.canSetValue("urlPreviewsEnabled", roomId, SettingLevel.ROOM)) {
                 previewsForRoom = (
                     <label>
                         <SettingsFlag

src/components/views/rooms/AppsDrawer.tsx

@@ -16,7 +16,6 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import { Resizable } from "re-resizable";
 
@@ -26,8 +25,6 @@ import * as sdk from '../../../index';
 import * as ScalarMessaging from '../../../ScalarMessaging';
 import WidgetUtils from '../../../utils/WidgetUtils';
 import WidgetEchoStore from "../../../stores/WidgetEchoStore";
-import { IntegrationManagers } from "../../../integrations/IntegrationManagers";
-import SettingsStore from "../../../settings/SettingsStore";
 import ResizeNotifier from "../../../utils/ResizeNotifier";
 import ResizeHandle from "../elements/ResizeHandle";
 import Resizer from "../../../resizer/resizer";
@@ -37,60 +34,74 @@ import { clamp, percentageOf, percentageWithin } from "../../../utils/numbers";
 import { useStateCallback } from "../../../hooks/useStateCallback";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import UIStore from "../../../stores/UIStore";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { IApp } from "../../../stores/WidgetStore";
+import { ActionPayload } from "../../../dispatcher/payloads";
+
+interface IProps {
+    userId: string;
+    room: Room;
+    resizeNotifier: ResizeNotifier;
+    showApps?: boolean; // Should apps be rendered
+    maxHeight: number;
+}
+
+interface IState {
+    apps: IApp[];
+    resizingVertical: boolean; // true when changing the height of the apps drawer
+    resizingHorizontal: boolean; // true when chagning the distribution of the width between widgets
+    resizing: boolean;
+}
 
 @replaceableComponent("views.rooms.AppsDrawer")
-export default class AppsDrawer extends React.Component {
-    static propTypes = {
-        userId: PropTypes.string.isRequired,
-        room: PropTypes.object.isRequired,
-        resizeNotifier: PropTypes.instanceOf(ResizeNotifier).isRequired,
-        showApps: PropTypes.bool, // Should apps be rendered
-    };
-
-    static defaultProps = {
+export default class AppsDrawer extends React.Component<IProps, IState> {
+    private resizeContainer: HTMLDivElement;
+    private resizer: Resizer;
+    private dispatcherRef: string;
+    public static defaultProps: Partial<IProps> = {
         showApps: true,
     };
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
 
         this.state = {
-            apps: this._getApps(),
-            resizingVertical: false, // true when changing the height of the apps drawer
-            resizingHorizontal: false, // true when chagning the distribution of the width between widgets
+            apps: this.getApps(),
+            resizingVertical: false,
+            resizingHorizontal: false,
+            resizing: false,
         };
 
-        this._resizeContainer = null;
-        this.resizer = this._createResizer();
+        this.resizer = this.createResizer();
 
         this.props.resizeNotifier.on("isResizing", this.onIsResizing);
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         ScalarMessaging.startListening();
-        WidgetLayoutStore.instance.on(WidgetLayoutStore.emissionForRoom(this.props.room), this._updateApps);
+        WidgetLayoutStore.instance.on(WidgetLayoutStore.emissionForRoom(this.props.room), this.updateApps);
         this.dispatcherRef = dis.register(this.onAction);
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
         ScalarMessaging.stopListening();
-        WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(this.props.room), this._updateApps);
+        WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(this.props.room), this.updateApps);
         if (this.dispatcherRef) dis.unregister(this.dispatcherRef);
-        if (this._resizeContainer) {
+        if (this.resizeContainer) {
             this.resizer.detach();
         }
         this.props.resizeNotifier.off("isResizing", this.onIsResizing);
     }
 
-    onIsResizing = (resizing) => {
+    private onIsResizing = (resizing: boolean): void => {
         // This one is the vertical, ie. change height of apps drawer
         this.setState({ resizingVertical: resizing });
         if (!resizing) {
-            this._relaxResizer();
+            this.relaxResizer();
         }
     };
 
-    _createResizer() {
+    private createResizer(): Resizer {
         // This is the horizontal one, changing the distribution of the width between the app tiles
         // (ie. a vertical resize handle because, the handle itself is vertical...)
         const classNames = {
@@ -100,11 +111,11 @@ export default class AppsDrawer extends React.Component {
         };
         const collapseConfig = {
             onResizeStart: () => {
-                this._resizeContainer.classList.add("mx_AppsDrawer_resizing");
+                this.resizeContainer.classList.add("mx_AppsDrawer_resizing");
                 this.setState({ resizingHorizontal: true });
             },
             onResizeStop: () => {
-                this._resizeContainer.classList.remove("mx_AppsDrawer_resizing");
+                this.resizeContainer.classList.remove("mx_AppsDrawer_resizing");
                 WidgetLayoutStore.instance.setResizerDistributions(
                     this.props.room, Container.Top,
                     this.state.apps.slice(1).map((_, i) => this.resizer.forHandleAt(i).size),
@@ -113,13 +124,13 @@ export default class AppsDrawer extends React.Component {
             },
         };
         // pass a truthy container for now, we won't call attach until we update it
-        const resizer = new Resizer({}, PercentageDistributor, collapseConfig);
+        const resizer = new Resizer(null, PercentageDistributor, collapseConfig);
         resizer.setClassNames(classNames);
         return resizer;
     }
 
-    _collectResizer = (ref) => {
-        if (this._resizeContainer) {
+    private collectResizer = (ref: HTMLDivElement): void => {
+        if (this.resizeContainer) {
             this.resizer.detach();
         }
 
@@ -127,22 +138,22 @@ export default class AppsDrawer extends React.Component {
             this.resizer.container = ref;
             this.resizer.attach();
         }
-        this._resizeContainer = ref;
-        this._loadResizerPreferences();
+        this.resizeContainer = ref;
+        this.loadResizerPreferences();
     };
 
-    _getAppsHash = (apps) => apps.map(app => app.id).join("~");
+    private getAppsHash = (apps: IApp[]): string => apps.map(app => app.id).join("~");
 
-    componentDidUpdate(prevProps, prevState) {
+    public componentDidUpdate(prevProps: IProps, prevState: IState): void {
         if (prevProps.userId !== this.props.userId || prevProps.room !== this.props.room) {
             // Room has changed, update apps
-            this._updateApps();
-        } else if (this._getAppsHash(this.state.apps) !== this._getAppsHash(prevState.apps)) {
-            this._loadResizerPreferences();
+            this.updateApps();
+        } else if (this.getAppsHash(this.state.apps) !== this.getAppsHash(prevState.apps)) {
+            this.loadResizerPreferences();
         }
     }
 
-    _relaxResizer = () => {
+    private relaxResizer = (): void => {
         const distributors = this.resizer.getDistributors();
 
         // relax all items if they had any overconstrained flexboxes
@@ -150,7 +161,7 @@ export default class AppsDrawer extends React.Component {
         distributors.forEach(d => d.finish());
     };
 
-    _loadResizerPreferences = () => {
+    private loadResizerPreferences = (): void => {
         const distributions = WidgetLayoutStore.instance.getResizerDistributions(this.props.room, Container.Top);
         if (this.state.apps && (this.state.apps.length - 1) === distributions.length) {
             distributions.forEach((size, i) => {
@@ -168,11 +179,11 @@ export default class AppsDrawer extends React.Component {
         }
     };
 
-    isResizing() {
+    private isResizing(): boolean {
         return this.state.resizingVertical || this.state.resizingHorizontal;
     }
 
-    onAction = (action) => {
+    private onAction = (action: ActionPayload): void => {
         const hideWidgetKey = this.props.room.roomId + '_hide_widget_drawer';
         switch (action.action) {
             case 'appsDrawer':
@@ -190,23 +201,15 @@ export default class AppsDrawer extends React.Component {
         }
     };
 
-    _getApps = () => WidgetLayoutStore.instance.getContainerWidgets(this.props.room, Container.Top);
+    private getApps = (): IApp[] => WidgetLayoutStore.instance.getContainerWidgets(this.props.room, Container.Top);
 
-    _updateApps = () => {
+    private updateApps = (): void => {
         this.setState({
-            apps: this._getApps(),
+            apps: this.getApps(),
         });
     };
 
-    _launchManageIntegrations() {
-        if (SettingsStore.getValue("feature_many_integration_managers")) {
-            IntegrationManagers.sharedInstance().openAll();
-        } else {
-            IntegrationManagers.sharedInstance().getPrimaryManager().open(this.props.room, 'add_integ');
-        }
-    }
-
-    render() {
+    public render(): JSX.Element {
         if (!this.props.showApps) return <div />;
 
         const apps = this.state.apps.map((app, index, arr) => {
@@ -257,7 +260,7 @@ export default class AppsDrawer extends React.Component {
                     className="mx_AppsContainer_resizer"
                     resizeNotifier={this.props.resizeNotifier}
                 >
-                    <div className="mx_AppsContainer" ref={this._collectResizer}>
+                    <div className="mx_AppsContainer" ref={this.collectResizer}>
                         { apps.map((app, i) => {
                             if (i < 1) return app;
                             return <React.Fragment key={app.key}>
@@ -273,7 +276,18 @@ export default class AppsDrawer extends React.Component {
     }
 }
 
-const PersistentVResizer = ({
+interface IPersistentResizerProps {
+    room: Room;
+    minHeight: number;
+    maxHeight: number;
+    className: string;
+    handleWrapperClass: string;
+    handleClass: string;
+    resizeNotifier: ResizeNotifier;
+    children: React.ReactNode;
+}
+
+const PersistentVResizer: React.FC<IPersistentResizerProps> = ({
     room,
     minHeight,
     maxHeight,
@@ -303,7 +317,7 @@ const PersistentVResizer = ({
     });
 
     return <Resizable
-        size={{ height: Math.min(height, maxHeight) }}
+        size={{ height: Math.min(height, maxHeight), width: null }}
         minHeight={minHeight}
         maxHeight={maxHeight}
         onResizeStart={() => {

src/components/views/rooms/E2EIcon.tsx

@@ -16,41 +16,51 @@ limitations under the License.
 */
 
 import React, { useState } from "react";
-import PropTypes from "prop-types";
 import classNames from 'classnames';
 
 import { _t, _td } from '../../../languageHandler';
 import AccessibleButton from "../elements/AccessibleButton";
 import Tooltip from "../elements/Tooltip";
+import { E2EStatus } from "../../../utils/ShieldUtils";
 
-export const E2E_STATE = {
-    VERIFIED: "verified",
-    WARNING: "warning",
-    UNKNOWN: "unknown",
-    NORMAL: "normal",
-    UNAUTHENTICATED: "unauthenticated",
+export enum E2EState {
+    Verified = "verified",
+    Warning = "warning",
+    Unknown = "unknown",
+    Normal = "normal",
+    Unauthenticated = "unauthenticated",
+}
+
+const crossSigningUserTitles: { [key in E2EState]?: string } = {
+    [E2EState.Warning]: _td("This user has not verified all of their sessions."),
+    [E2EState.Normal]: _td("You have not verified this user."),
+    [E2EState.Verified]: _td("You have verified this user. This user has verified all of their sessions."),
+};
+const crossSigningRoomTitles: { [key in E2EState]?: string } = {
+    [E2EState.Warning]: _td("Someone is using an unknown session"),
+    [E2EState.Normal]: _td("This room is end-to-end encrypted"),
+    [E2EState.Verified]: _td("Everyone in this room is verified"),
 };
 
-const crossSigningUserTitles = {
-    [E2E_STATE.WARNING]: _td("This user has not verified all of their sessions."),
-    [E2E_STATE.NORMAL]: _td("You have not verified this user."),
-    [E2E_STATE.VERIFIED]: _td("You have verified this user. This user has verified all of their sessions."),
-};
-const crossSigningRoomTitles = {
-    [E2E_STATE.WARNING]: _td("Someone is using an unknown session"),
-    [E2E_STATE.NORMAL]: _td("This room is end-to-end encrypted"),
-    [E2E_STATE.VERIFIED]: _td("Everyone in this room is verified"),
-};
+interface IProps {
+    isUser?: boolean;
+    status?: E2EState | E2EStatus;
+    className?: string;
+    size?: number;
+    onClick?: () => void;
+    hideTooltip?: boolean;
+    bordered?: boolean;
+}
 
-const E2EIcon = ({ isUser, status, className, size, onClick, hideTooltip, bordered }) => {
+const E2EIcon: React.FC<IProps> = ({ isUser, status, className, size, onClick, hideTooltip, bordered }) => {
     const [hover, setHover] = useState(false);
 
     const classes = classNames({
         mx_E2EIcon: true,
         mx_E2EIcon_bordered: bordered,
-        mx_E2EIcon_warning: status === E2E_STATE.WARNING,
-        mx_E2EIcon_normal: status === E2E_STATE.NORMAL,
-        mx_E2EIcon_verified: status === E2E_STATE.VERIFIED,
+        mx_E2EIcon_warning: status === E2EState.Warning,
+        mx_E2EIcon_normal: status === E2EState.Normal,
+        mx_E2EIcon_verified: status === E2EState.Verified,
     }, className);
 
     let e2eTitle;
@@ -92,12 +102,4 @@ const E2EIcon = ({ isUser, status, className, size, onClick, hideTooltip, border
     </div>;
 };
 
-E2EIcon.propTypes = {
-    isUser: PropTypes.bool,
-    status: PropTypes.oneOf(Object.values(E2E_STATE)),
-    className: PropTypes.string,
-    size: PropTypes.number,
-    onClick: PropTypes.func,
-};
-
 export default E2EIcon;

src/components/views/rooms/EditMessageComposer.tsx

@@ -27,7 +27,7 @@ import { findEditableEvent } from '../../../utils/EventUtils';
 import { parseEvent } from '../../../editor/deserialize';
 import { CommandPartCreator, Part, PartCreator, Type } from '../../../editor/parts';
 import EditorStateTransfer from '../../../utils/EditorStateTransfer';
-import BasicMessageComposer from "./BasicMessageComposer";
+import BasicMessageComposer, { REGEX_EMOTICON } from "./BasicMessageComposer";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { Command, CommandCategories, getCommand } from '../../../SlashCommands';
 import { Action } from "../../../dispatcher/actions";
@@ -42,6 +42,9 @@ import ErrorDialog from "../dialogs/ErrorDialog";
 import QuestionDialog from "../dialogs/QuestionDialog";
 import { ActionPayload } from "../../../dispatcher/payloads";
 import AccessibleButton from '../elements/AccessibleButton';
+import SettingsStore from "../../../settings/SettingsStore";
+
+import { logger } from "matrix-js-sdk/src/logger";
 
 function getHtmlReplyFallback(mxEvent: MatrixEvent): string {
     const html = mxEvent.getContent().formatted_body;
@@ -307,7 +310,7 @@ export default class EditMessageComposer extends React.Component<IProps, IState>
                 description: errText,
             });
         } else {
-            console.log("Command success.");
+            logger.log("Command success.");
             if (messageContent) return messageContent;
         }
     }
@@ -315,6 +318,14 @@ export default class EditMessageComposer extends React.Component<IProps, IState>
     private sendEdit = async (): Promise<void> => {
         const startTime = CountlyAnalytics.getTimestamp();
         const editedEvent = this.props.editState.getEvent();
+
+        // Replace emoticon at the end of the message
+        if (SettingsStore.getValue('MessageComposerInput.autoReplaceEmoji')) {
+            const caret = this.editorRef.current?.getCaret();
+            const position = this.model.positionForOffset(caret.offset, caret.atNodeEnd);
+            this.editorRef.current?.replaceEmoticon(position, REGEX_EMOTICON);
+        }
+
         const editContent = createEditContent(this.model, editedEvent);
         const newContent = editContent["m.new_content"];
 

src/components/views/rooms/EntityTile.tsx

@@ -20,7 +20,7 @@ import React from 'react';
 import AccessibleButton from '../elements/AccessibleButton';
 import { _td } from '../../../languageHandler';
 import classNames from "classnames";
-import E2EIcon from './E2EIcon';
+import E2EIcon, { E2EState } from './E2EIcon';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import BaseAvatar from '../avatars/BaseAvatar';
 import PresenceLabel from "./PresenceLabel";
@@ -75,7 +75,7 @@ interface IProps {
     suppressOnHover?: boolean;
     showPresence?: boolean;
     subtextLabel?: string;
-    e2eStatus?: string;
+    e2eStatus?: E2EState;
     powerStatus?: PowerStatus;
 }
 

src/components/views/rooms/EventTile.tsx

@@ -33,7 +33,7 @@ import { formatTime } from "../../../DateUtils";
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { ALL_RULE_TYPES } from "../../../mjolnir/BanList";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
-import { E2E_STATE } from "./E2EIcon";
+import { E2EState } from "./E2EIcon";
 import { toRem } from "../../../utils/units";
 import { WidgetType } from "../../../widgets/WidgetType";
 import RoomAvatar from "../avatars/RoomAvatar";
@@ -521,7 +521,7 @@ export default class EventTile extends React.Component<IProps, IState> {
 
         const thread = this.state.thread;
         const room = MatrixClientPeg.get().getRoom(this.props.mxEvent.getRoomId());
-        if (!thread || this.props.showThreadInfo === false) {
+        if (!thread || this.props.showThreadInfo === false || thread.length <= 1) {
             return null;
         }
 
@@ -605,7 +605,7 @@ export default class EventTile extends React.Component<IProps, IState> {
         if (encryptionInfo.mismatchedSender) {
             // something definitely wrong is going on here
             this.setState({
-                verified: E2E_STATE.WARNING,
+                verified: E2EState.Warning,
             }, this.props.onHeightChanged); // Decryption may have caused a change in size
             return;
         }
@@ -613,7 +613,7 @@ export default class EventTile extends React.Component<IProps, IState> {
         if (!userTrust.isCrossSigningVerified()) {
             // user is not verified, so default to everything is normal
             this.setState({
-                verified: E2E_STATE.NORMAL,
+                verified: E2EState.Normal,
             }, this.props.onHeightChanged); // Decryption may have caused a change in size
             return;
         }
@@ -623,27 +623,27 @@ export default class EventTile extends React.Component<IProps, IState> {
         );
         if (!eventSenderTrust) {
             this.setState({
-                verified: E2E_STATE.UNKNOWN,
+                verified: E2EState.Unknown,
             }, this.props.onHeightChanged); // Decryption may have caused a change in size
             return;
         }
 
         if (!eventSenderTrust.isVerified()) {
             this.setState({
-                verified: E2E_STATE.WARNING,
+                verified: E2EState.Warning,
             }, this.props.onHeightChanged); // Decryption may have caused a change in size
             return;
         }
 
         if (!encryptionInfo.authenticated) {
             this.setState({
-                verified: E2E_STATE.UNAUTHENTICATED,
+                verified: E2EState.Unauthenticated,
             }, this.props.onHeightChanged); // Decryption may have caused a change in size
             return;
         }
 
         this.setState({
-            verified: E2E_STATE.VERIFIED,
+            verified: E2EState.Verified,
         }, this.props.onHeightChanged); // Decryption may have caused a change in size
     }
 
@@ -850,13 +850,13 @@ export default class EventTile extends React.Component<IProps, IState> {
 
         // event is encrypted, display padlock corresponding to whether or not it is verified
         if (ev.isEncrypted()) {
-            if (this.state.verified === E2E_STATE.NORMAL) {
+            if (this.state.verified === E2EState.Normal) {
                 return; // no icon if we've not even cross-signed the user
-            } else if (this.state.verified === E2E_STATE.VERIFIED) {
+            } else if (this.state.verified === E2EState.Verified) {
                 return; // no icon for verified
-            } else if (this.state.verified === E2E_STATE.UNAUTHENTICATED) {
+            } else if (this.state.verified === E2EState.Unauthenticated) {
                 return (<E2ePadlockUnauthenticated />);
-            } else if (this.state.verified === E2E_STATE.UNKNOWN) {
+            } else if (this.state.verified === E2EState.Unknown) {
                 return (<E2ePadlockUnknown />);
             } else {
                 return (<E2ePadlockUnverified />);
@@ -961,9 +961,9 @@ export default class EventTile extends React.Component<IProps, IState> {
             mx_EventTile_lastInSection: this.props.lastInSection,
             mx_EventTile_contextual: this.props.contextual,
             mx_EventTile_actionBarFocused: this.state.actionBarFocused,
-            mx_EventTile_verified: !isBubbleMessage && this.state.verified === E2E_STATE.VERIFIED,
-            mx_EventTile_unverified: !isBubbleMessage && this.state.verified === E2E_STATE.WARNING,
-            mx_EventTile_unknown: !isBubbleMessage && this.state.verified === E2E_STATE.UNKNOWN,
+            mx_EventTile_verified: !isBubbleMessage && this.state.verified === E2EState.Verified,
+            mx_EventTile_unverified: !isBubbleMessage && this.state.verified === E2EState.Warning,
+            mx_EventTile_unknown: !isBubbleMessage && this.state.verified === E2EState.Unknown,
             mx_EventTile_bad: isEncryptionFailure,
             mx_EventTile_emote: msgtype === 'm.emote',
             mx_EventTile_noSender: this.props.hideSender,

src/components/views/rooms/LinkPreviewWidget.tsx

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { createRef } from 'react';
+import React, { ComponentProps, createRef } from 'react';
 import { AllHtmlEntities } from 'html-entities';
 import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import { IPreviewUrlResponse } from 'matrix-js-sdk/src/client';
@@ -36,6 +36,7 @@ interface IProps {
 @replaceableComponent("views.rooms.LinkPreviewWidget")
 export default class LinkPreviewWidget extends React.Component<IProps> {
     private readonly description = createRef<HTMLDivElement>();
+    private image = createRef<HTMLImageElement>();
 
     componentDidMount() {
         if (this.description.current) {
@@ -59,7 +60,7 @@ export default class LinkPreviewWidget extends React.Component<IProps> {
             src = mediaFromMxc(src).srcHttp;
         }
 
-        const params = {
+        const params: Omit<ComponentProps<typeof ImageView>, "onFinished"> = {
             src: src,
             width: p["og:image:width"],
             height: p["og:image:height"],
@@ -68,6 +69,17 @@ export default class LinkPreviewWidget extends React.Component<IProps> {
             link: this.props.link,
         };
 
+        if (this.image.current) {
+            const clientRect = this.image.current.getBoundingClientRect();
+
+            params.thumbnailInfo = {
+                width: clientRect.width,
+                height: clientRect.height,
+                positionX: clientRect.x,
+                positionY: clientRect.y,
+            };
+        }
+
         Modal.createDialog(ImageView, params, "mx_Dialog_lightbox", null, true);
     };
 
@@ -100,7 +112,7 @@ export default class LinkPreviewWidget extends React.Component<IProps> {
         let img;
         if (image) {
             img = <div className="mx_LinkPreviewWidget_image" style={{ height: thumbHeight }}>
-                <img style={{ maxWidth: imageMaxWidth, maxHeight: imageMaxHeight }} src={image} onClick={this.onImageClick} />
+                <img ref={this.image} style={{ maxWidth: imageMaxWidth, maxHeight: imageMaxHeight }} src={image} onClick={this.onImageClick} />
             </div>;
         }
 

src/components/views/rooms/RoomPreviewBar.tsx

@@ -323,7 +323,7 @@ export default class RoomPreviewBar extends React.Component<IProps, IState> {
         const messageCase = this.getMessageCase();
         switch (messageCase) {
             case MessageCase.Joining: {
-                title = this.props.oobData.roomType === RoomType.Space ? _t("Joining space …") : _t("Joining room …");
+                title = this.props.oobData?.roomType === RoomType.Space ? _t("Joining space …") : _t("Joining room …");
                 showSpinner = true;
                 break;
             }

src/components/views/rooms/SendMessageComposer.tsx

@@ -56,6 +56,8 @@ import QuestionDialog from "../dialogs/QuestionDialog";
 import { ActionPayload } from "../../../dispatcher/payloads";
 import { decorateStartSendingTime, sendRoundTripMetric } from "../../../sendTimePerformanceMetrics";
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 function addReplyToMessageContent(
     content: IContent,
     replyToEvent: MatrixEvent,
@@ -341,7 +343,7 @@ export default class SendMessageComposer extends React.Component<IProps> {
                 description: errText,
             });
         } else {
-            console.log("Command success.");
+            logger.log("Command success.");
             if (messageContent) return messageContent;
         }
     }

src/components/views/rooms/Stickerpicker.tsx

@@ -32,6 +32,9 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { ActionPayload } from '../../../dispatcher/payloads';
 import ScalarAuthClient from '../../../ScalarAuthClient';
 import GenericElementContextMenu from "../context_menus/GenericElementContextMenu";
+import { IApp } from "../../../stores/WidgetStore";
+
+import { logger } from "matrix-js-sdk/src/logger";
 
 // 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.
@@ -98,11 +101,11 @@ export default class Stickerpicker extends React.PureComponent<IProps, IState> {
 
     private removeStickerpickerWidgets = async (): Promise<void> => {
         const scalarClient = await this.acquireScalarClient();
-        console.log('Removing Stickerpicker widgets');
+        logger.log('Removing Stickerpicker widgets');
         if (this.state.widgetId) {
             if (scalarClient) {
                 scalarClient.disableWidgetAssets(WidgetType.STICKERPICKER, this.state.widgetId).then(() => {
-                    console.log('Assets disabled');
+                    logger.log('Assets disabled');
                 }).catch((err) => {
                     console.error('Failed to disable assets');
                 });
@@ -256,12 +259,16 @@ export default class Stickerpicker extends React.PureComponent<IProps, IState> {
             stickerpickerWidget.content.name = stickerpickerWidget.content.name || _t("Stickerpack");
 
             // FIXME: could this use the same code as other apps?
-            const stickerApp = {
+            const stickerApp: IApp = {
                 id: stickerpickerWidget.id,
                 url: stickerpickerWidget.content.url,
                 name: stickerpickerWidget.content.name,
                 type: stickerpickerWidget.content.type,
                 data: stickerpickerWidget.content.data,
+                roomId: stickerpickerWidget.content.roomId,
+                eventId: stickerpickerWidget.content.eventId,
+                avatar_url: stickerpickerWidget.content.avatar_url,
+                creatorUserId: stickerpickerWidget.content.creatorUserId,
             };
 
             stickersContent = (
@@ -287,9 +294,7 @@ export default class Stickerpicker extends React.PureComponent<IProps, IState> {
                                 onEditClick={this.launchManageIntegrations}
                                 onDeleteClick={this.removeStickerpickerWidgets}
                                 showTitle={false}
-                                showCancel={false}
                                 showPopout={false}
-                                onMinimiseClick={this.onHideStickersClick}
                                 handleMinimisePointerEvents={true}
                                 userWidget={true}
                             />
@@ -345,16 +350,6 @@ export default class Stickerpicker extends React.PureComponent<IProps, IState> {
         });
     };
 
-    /**
-     * Trigger hiding of the sticker picker overlay
-     * @param  {Event} ev Event that triggered the function call
-     */
-    private onHideStickersClick = (ev: React.MouseEvent): void => {
-        if (this.props.showStickers) {
-            this.props.setShowStickers(false);
-        }
-    };
-
     /**
      * Called when the window is resized
      */

src/components/views/settings/ChangePassword.tsx

@@ -17,78 +17,81 @@ limitations under the License.
 
 import Field from "../elements/Field";
 import React from 'react';
-import PropTypes from 'prop-types';
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import AccessibleButton from '../elements/AccessibleButton';
 import Spinner from '../elements/Spinner';
-import withValidation from '../elements/Validation';
+import withValidation, { IFieldState, IValidationResult } from '../elements/Validation';
 import { _t } from '../../../languageHandler';
-import * as sdk from "../../../index";
 import Modal from "../../../Modal";
 import PassphraseField from "../auth/PassphraseField";
 import CountlyAnalytics from "../../../CountlyAnalytics";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { PASSWORD_MIN_SCORE } from '../auth/RegistrationForm';
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import SetEmailDialog from "../dialogs/SetEmailDialog";
+import QuestionDialog from "../dialogs/QuestionDialog";
 
 const FIELD_OLD_PASSWORD = 'field_old_password';
 const FIELD_NEW_PASSWORD = 'field_new_password';
 const FIELD_NEW_PASSWORD_CONFIRM = 'field_new_password_confirm';
 
+enum Phase {
+    Edit = "edit",
+    Uploading = "uploading",
+    Error = "error",
+}
+
+interface IProps {
+    onFinished?: ({ didSetEmail: boolean }?) => void;
+    onError?: (error: {error: string}) => void;
+    rowClassName?: string;
+    buttonClassName?: string;
+    buttonKind?: string;
+    buttonLabel?: string;
+    confirm?: boolean;
+    // Whether to autoFocus the new password input
+    autoFocusNewPasswordInput?: boolean;
+    className?: string;
+    shouldAskForEmail?: boolean;
+}
+
+interface IState {
+    fieldValid: {};
+    phase: Phase;
+    oldPassword: string;
+    newPassword: string;
+    newPasswordConfirm: string;
+}
+
 @replaceableComponent("views.settings.ChangePassword")
-export default class ChangePassword extends React.Component {
-    static propTypes = {
-        onFinished: PropTypes.func,
-        onError: PropTypes.func,
-        onCheckPassword: PropTypes.func,
-        rowClassName: PropTypes.string,
-        buttonClassName: PropTypes.string,
-        buttonKind: PropTypes.string,
-        buttonLabel: PropTypes.string,
-        confirm: PropTypes.bool,
-        // Whether to autoFocus the new password input
-        autoFocusNewPasswordInput: PropTypes.bool,
-    };
-
-    static Phases = {
-        Edit: "edit",
-        Uploading: "uploading",
-        Error: "error",
-    };
-
-    static defaultProps = {
+export default class ChangePassword extends React.Component<IProps, IState> {
+    public static defaultProps: Partial<IProps> = {
         onFinished() {},
         onError() {},
-        onCheckPassword(oldPass, newPass, confirmPass) {
-            if (newPass !== confirmPass) {
-                return {
-                    error: _t("New passwords don't match"),
-                };
-            } else if (!newPass || newPass.length === 0) {
-                return {
-                    error: _t("Passwords can't be empty"),
-                };
-            }
-        },
-        confirm: true,
-    }
 
-    state = {
-        fieldValid: {},
-        phase: ChangePassword.Phases.Edit,
-        oldPassword: "",
-        newPassword: "",
-        newPasswordConfirm: "",
+        confirm: true,
     };
 
-    changePassword(oldPassword, newPassword) {
+    constructor(props: IProps) {
+        super(props);
+
+        this.state = {
+            fieldValid: {},
+            phase: Phase.Edit,
+            oldPassword: "",
+            newPassword: "",
+            newPasswordConfirm: "",
+        };
+    }
+
+    private onChangePassword(oldPassword: string, newPassword: string): void {
         const cli = MatrixClientPeg.get();
 
         if (!this.props.confirm) {
-            this._changePassword(cli, oldPassword, newPassword);
+            this.changePassword(cli, oldPassword, newPassword);
             return;
         }
 
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
         Modal.createTrackedDialog('Change Password', '', QuestionDialog, {
             title: _t("Warning!"),
             description:
@@ -109,20 +112,20 @@ export default class ChangePassword extends React.Component {
                 <button
                     key="exportRoomKeys"
                     className="mx_Dialog_primary"
-                    onClick={this._onExportE2eKeysClicked}
+                    onClick={this.onExportE2eKeysClicked}
                 >
                     { _t('Export E2E room keys') }
                 </button>,
             ],
             onFinished: (confirmed) => {
                 if (confirmed) {
-                    this._changePassword(cli, oldPassword, newPassword);
+                    this.changePassword(cli, oldPassword, newPassword);
                 }
             },
         });
     }
 
-    _changePassword(cli, oldPassword, newPassword) {
+    private changePassword(cli: MatrixClient, oldPassword: string, newPassword: string): void {
         const authDict = {
             type: 'm.login.password',
             identifier: {
@@ -136,12 +139,12 @@ export default class ChangePassword extends React.Component {
         };
 
         this.setState({
-            phase: ChangePassword.Phases.Uploading,
+            phase: Phase.Uploading,
         });
 
         cli.setPassword(authDict, newPassword).then(() => {
             if (this.props.shouldAskForEmail) {
-                return this._optionallySetEmail().then((confirmed) => {
+                return this.optionallySetEmail().then((confirmed) => {
                     this.props.onFinished({
                         didSetEmail: confirmed,
                     });
@@ -153,7 +156,7 @@ export default class ChangePassword extends React.Component {
             this.props.onError(err);
         }).finally(() => {
             this.setState({
-                phase: ChangePassword.Phases.Edit,
+                phase: Phase.Edit,
                 oldPassword: "",
                 newPassword: "",
                 newPasswordConfirm: "",
@@ -161,16 +164,27 @@ export default class ChangePassword extends React.Component {
         });
     }
 
-    _optionallySetEmail() {
+    private checkPassword(oldPass: string, newPass: string, confirmPass: string): {error: string} {
+        if (newPass !== confirmPass) {
+            return {
+                error: _t("New passwords don't match"),
+            };
+        } else if (!newPass || newPass.length === 0) {
+            return {
+                error: _t("Passwords can't be empty"),
+            };
+        }
+    }
+
+    private optionallySetEmail(): Promise<boolean> {
         // Ask for an email otherwise the user has no way to reset their password
-        const SetEmailDialog = sdk.getComponent("dialogs.SetEmailDialog");
         const modal = Modal.createTrackedDialog('Do you want to set an email address?', '', SetEmailDialog, {
             title: _t('Do you want to set an email address?'),
         });
         return modal.finished.then(([confirmed]) => confirmed);
     }
 
-    _onExportE2eKeysClicked = () => {
+    private onExportE2eKeysClicked = (): void => {
         Modal.createTrackedDialogAsync('Export E2E Keys', 'Change Password',
             import('../../../async-components/views/dialogs/security/ExportE2eKeysDialog'),
             {
@@ -179,7 +193,7 @@ export default class ChangePassword extends React.Component {
         );
     };
 
-    markFieldValid(fieldID, valid) {
+    private markFieldValid(fieldID: string, valid: boolean): void {
         const { fieldValid } = this.state;
         fieldValid[fieldID] = valid;
         this.setState({
@@ -187,19 +201,19 @@ export default class ChangePassword extends React.Component {
         });
     }
 
-    onChangeOldPassword = (ev) => {
+    private onChangeOldPassword = (ev: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             oldPassword: ev.target.value,
         });
     };
 
-    onOldPasswordValidate = async fieldState => {
+    private onOldPasswordValidate = async (fieldState: IFieldState): Promise<IValidationResult> => {
         const result = await this.validateOldPasswordRules(fieldState);
         this.markFieldValid(FIELD_OLD_PASSWORD, result.valid);
         return result;
     };
 
-    validateOldPasswordRules = withValidation({
+    private validateOldPasswordRules = withValidation({
         rules: [
             {
                 key: "required",
@@ -209,29 +223,29 @@ export default class ChangePassword extends React.Component {
         ],
     });
 
-    onChangeNewPassword = (ev) => {
+    private onChangeNewPassword = (ev: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             newPassword: ev.target.value,
         });
     };
 
-    onNewPasswordValidate = result => {
+    private onNewPasswordValidate = (result: IValidationResult): void => {
         this.markFieldValid(FIELD_NEW_PASSWORD, result.valid);
     };
 
-    onChangeNewPasswordConfirm = (ev) => {
+    private onChangeNewPasswordConfirm = (ev: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             newPasswordConfirm: ev.target.value,
         });
     };
 
-    onNewPasswordConfirmValidate = async fieldState => {
+    private onNewPasswordConfirmValidate = async (fieldState: IFieldState): Promise<IValidationResult> => {
         const result = await this.validatePasswordConfirmRules(fieldState);
         this.markFieldValid(FIELD_NEW_PASSWORD_CONFIRM, result.valid);
         return result;
     };
 
-    validatePasswordConfirmRules = withValidation({
+    private validatePasswordConfirmRules = withValidation<this>({
         rules: [
             {
                 key: "required",
@@ -248,7 +262,7 @@ export default class ChangePassword extends React.Component {
         ],
     });
 
-    onClickChange = async (ev) => {
+    private onClickChange = async (ev: React.MouseEvent | React.FormEvent): Promise<void> => {
         ev.preventDefault();
 
         const allFieldsValid = await this.verifyFieldsBeforeSubmit();
@@ -260,20 +274,20 @@ export default class ChangePassword extends React.Component {
         const oldPassword = this.state.oldPassword;
         const newPassword = this.state.newPassword;
         const confirmPassword = this.state.newPasswordConfirm;
-        const err = this.props.onCheckPassword(
+        const err = this.checkPassword(
             oldPassword, newPassword, confirmPassword,
         );
         if (err) {
             this.props.onError(err);
         } else {
-            this.changePassword(oldPassword, newPassword);
+            this.onChangePassword(oldPassword, newPassword);
         }
     };
 
-    async verifyFieldsBeforeSubmit() {
+    private async verifyFieldsBeforeSubmit(): Promise<boolean> {
         // Blur the active element if any, so we first run its blur validation,
         // which is less strict than the pass we're about to do below for all fields.
-        const activeElement = document.activeElement;
+        const activeElement = document.activeElement as HTMLElement;
         if (activeElement) {
             activeElement.blur();
         }
@@ -300,7 +314,7 @@ export default class ChangePassword extends React.Component {
 
         // Validation and state updates are async, so we need to wait for them to complete
         // first. Queue a `setState` callback and wait for it to resolve.
-        await new Promise(resolve => this.setState({}, resolve));
+        await new Promise<void>((resolve) => this.setState({}, resolve));
 
         if (this.allFieldsValid()) {
             return true;
@@ -319,7 +333,7 @@ export default class ChangePassword extends React.Component {
         return false;
     }
 
-    allFieldsValid() {
+    private allFieldsValid(): boolean {
         const keys = Object.keys(this.state.fieldValid);
         for (let i = 0; i < keys.length; ++i) {
             if (!this.state.fieldValid[keys[i]]) {
@@ -329,7 +343,7 @@ export default class ChangePassword extends React.Component {
         return true;
     }
 
-    findFirstInvalidField(fieldIDs) {
+    private findFirstInvalidField(fieldIDs: string[]): Field {
         for (const fieldID of fieldIDs) {
             if (!this.state.fieldValid[fieldID] && this[fieldID]) {
                 return this[fieldID];
@@ -338,12 +352,12 @@ export default class ChangePassword extends React.Component {
         return null;
     }
 
-    render() {
+    public render(): JSX.Element {
         const rowClassName = this.props.rowClassName;
         const buttonClassName = this.props.buttonClassName;
 
         switch (this.state.phase) {
-            case ChangePassword.Phases.Edit:
+            case Phase.Edit:
                 return (
                     <form className={this.props.className} onSubmit={this.onClickChange}>
                         <div className={rowClassName}>
@@ -385,7 +399,7 @@ export default class ChangePassword extends React.Component {
                         </AccessibleButton>
                     </form>
                 );
-            case ChangePassword.Phases.Uploading:
+            case Phase.Uploading:
                 return (
                     <div className="mx_Dialog_content">
                         <Spinner />

src/components/views/settings/CrossSigningPanel.tsx

@@ -97,9 +97,9 @@ export default class CrossSigningPanel extends React.PureComponent<{}, IState> {
         const secretStorage = cli.crypto.secretStorage;
         const crossSigningPublicKeysOnDevice = Boolean(crossSigning.getId());
         const crossSigningPrivateKeysInStorage = Boolean(await crossSigning.isStoredInSecretStorage(secretStorage));
-        const masterPrivateKeyCached = !!(pkCache && await pkCache.getCrossSigningKeyCache("master"));
-        const selfSigningPrivateKeyCached = !!(pkCache && await pkCache.getCrossSigningKeyCache("self_signing"));
-        const userSigningPrivateKeyCached = !!(pkCache && await pkCache.getCrossSigningKeyCache("user_signing"));
+        const masterPrivateKeyCached = !!(pkCache && (await pkCache.getCrossSigningKeyCache("master")));
+        const selfSigningPrivateKeyCached = !!(pkCache && (await pkCache.getCrossSigningKeyCache("self_signing")));
+        const userSigningPrivateKeyCached = !!(pkCache && (await pkCache.getCrossSigningKeyCache("user_signing")));
         const homeserverSupportsCrossSigning =
             await cli.doesServerSupportUnstableFeature("org.matrix.e2e_cross_signing");
         const crossSigningReady = await cli.isCrossSigningReady();

src/components/views/settings/JoinRuleSettings.tsx

@@ -262,7 +262,7 @@ const JoinRuleSettings = ({ room, promptUpgrade, onError, beforeChange, closeSet
         }
 
         if (beforeJoinRule === joinRule && !restrictedAllowRoomIds) return;
-        if (beforeChange && !await beforeChange(joinRule)) return;
+        if (beforeChange && !(await beforeChange(joinRule))) return;
 
         const newContent: IJoinRuleEventContent = {
             join_rule: joinRule,

src/components/views/settings/ProfileSettings.tsx

@@ -27,6 +27,8 @@ import { mediaFromMxc } from "../../../customisations/Media";
 import AccessibleButton from '../elements/AccessibleButton';
 import AvatarSetting from './AvatarSetting';
 
+import { logger } from "matrix-js-sdk/src/logger";
+
 interface IState {
     userId?: string;
     originalDisplayName?: string;
@@ -104,7 +106,7 @@ export default class ProfileSettings extends React.Component<{}, IState> {
             }
 
             if (this.state.avatarFile) {
-                console.log(
+                logger.log(
                     `Uploading new avatar, ${this.state.avatarFile.name} of type ${this.state.avatarFile.type},` +
                     ` (${this.state.avatarFile.size}) bytes`);
                 const uri = await client.uploadContent(this.state.avatarFile);
@@ -116,7 +118,7 @@ export default class ProfileSettings extends React.Component<{}, IState> {
                 await client.setAvatarUrl(""); // use empty string as Synapse 500s on undefined
             }
         } catch (err) {
-            console.log("Failed to save profile", err);
+            logger.log("Failed to save profile", err);
             Modal.createTrackedDialog('Failed to save profile', '', ErrorDialog, {
                 title: _t("Failed to save your profile"),
                 description: ((err && err.message) ? err.message : _t("The operation could not be completed")),

src/components/views/settings/SecureBackupPanel.tsx

@@ -27,13 +27,31 @@ import QuestionDialog from '../dialogs/QuestionDialog';
 import RestoreKeyBackupDialog from '../dialogs/security/RestoreKeyBackupDialog';
 import { accessSecretStorage } from '../../../SecurityManager';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { IKeyBackupInfo } from "matrix-js-sdk/src/crypto/keybackup";
+import { TrustInfo } from "matrix-js-sdk/src/crypto/backup";
+
+interface IState {
+    loading: boolean;
+    error: null;
+    backupKeyStored: boolean;
+    backupKeyCached: boolean;
+    backupKeyWellFormed: boolean;
+    secretStorageKeyInAccount: boolean;
+    secretStorageReady: boolean;
+    backupInfo: IKeyBackupInfo;
+    backupSigStatus: TrustInfo;
+    sessionsRemaining: number;
+}
+
+import { logger } from "matrix-js-sdk/src/logger";
 
 @replaceableComponent("views.settings.SecureBackupPanel")
-export default class SecureBackupPanel extends React.PureComponent {
-    constructor(props) {
+export default class SecureBackupPanel extends React.PureComponent<{}, IState> {
+    private unmounted = false;
+
+    constructor(props: {}) {
         super(props);
 
-        this._unmounted = false;
         this.state = {
             loading: true,
             error: null,
@@ -48,42 +66,42 @@ export default class SecureBackupPanel extends React.PureComponent {
         };
     }
 
-    componentDidMount() {
-        this._checkKeyBackupStatus();
+    public componentDidMount(): void {
+        this.checkKeyBackupStatus();
 
-        MatrixClientPeg.get().on('crypto.keyBackupStatus', this._onKeyBackupStatus);
+        MatrixClientPeg.get().on('crypto.keyBackupStatus', this.onKeyBackupStatus);
         MatrixClientPeg.get().on(
             'crypto.keyBackupSessionsRemaining',
-            this._onKeyBackupSessionsRemaining,
+            this.onKeyBackupSessionsRemaining,
         );
     }
 
-    componentWillUnmount() {
-        this._unmounted = true;
+    public componentWillUnmount(): void {
+        this.unmounted = true;
 
         if (MatrixClientPeg.get()) {
-            MatrixClientPeg.get().removeListener('crypto.keyBackupStatus', this._onKeyBackupStatus);
+            MatrixClientPeg.get().removeListener('crypto.keyBackupStatus', this.onKeyBackupStatus);
             MatrixClientPeg.get().removeListener(
                 'crypto.keyBackupSessionsRemaining',
-                this._onKeyBackupSessionsRemaining,
+                this.onKeyBackupSessionsRemaining,
             );
         }
     }
 
-    _onKeyBackupSessionsRemaining = (sessionsRemaining) => {
+    private onKeyBackupSessionsRemaining = (sessionsRemaining: number): void => {
         this.setState({
             sessionsRemaining,
         });
-    }
+    };
 
-    _onKeyBackupStatus = () => {
+    private onKeyBackupStatus = (): void => {
         // This just loads the current backup status rather than forcing
         // a re-check otherwise we risk causing infinite loops
-        this._loadBackupStatus();
-    }
+        this.loadBackupStatus();
+    };
 
-    async _checkKeyBackupStatus() {
-        this._getUpdatedDiagnostics();
+    private async checkKeyBackupStatus(): Promise<void> {
+        this.getUpdatedDiagnostics();
         try {
             const { backupInfo, trustInfo } = await MatrixClientPeg.get().checkKeyBackup();
             this.setState({
@@ -93,8 +111,8 @@ export default class SecureBackupPanel extends React.PureComponent {
                 backupSigStatus: trustInfo,
             });
         } catch (e) {
-            console.log("Unable to fetch check backup status", e);
-            if (this._unmounted) return;
+            logger.log("Unable to fetch check backup status", e);
+            if (this.unmounted) return;
             this.setState({
                 loading: false,
                 error: e,
@@ -104,13 +122,13 @@ export default class SecureBackupPanel extends React.PureComponent {
         }
     }
 
-    async _loadBackupStatus() {
+    private async loadBackupStatus(): Promise<void> {
         this.setState({ loading: true });
-        this._getUpdatedDiagnostics();
+        this.getUpdatedDiagnostics();
         try {
             const backupInfo = await MatrixClientPeg.get().getKeyBackupVersion();
             const backupSigStatus = await MatrixClientPeg.get().isKeyBackupTrusted(backupInfo);
-            if (this._unmounted) return;
+            if (this.unmounted) return;
             this.setState({
                 loading: false,
                 error: null,
@@ -118,8 +136,8 @@ export default class SecureBackupPanel extends React.PureComponent {
                 backupSigStatus,
             });
         } catch (e) {
-            console.log("Unable to fetch key backup status", e);
-            if (this._unmounted) return;
+            logger.log("Unable to fetch key backup status", e);
+            if (this.unmounted) return;
             this.setState({
                 loading: false,
                 error: e,
@@ -129,7 +147,7 @@ export default class SecureBackupPanel extends React.PureComponent {
         }
     }
 
-    async _getUpdatedDiagnostics() {
+    private async getUpdatedDiagnostics(): Promise<void> {
         const cli = MatrixClientPeg.get();
         const secretStorage = cli.crypto.secretStorage;
 
@@ -140,7 +158,7 @@ export default class SecureBackupPanel extends React.PureComponent {
         const secretStorageKeyInAccount = await secretStorage.hasKey();
         const secretStorageReady = await cli.isSecretStorageReady();
 
-        if (this._unmounted) return;
+        if (this.unmounted) return;
         this.setState({
             backupKeyStored,
             backupKeyCached,
@@ -150,18 +168,18 @@ export default class SecureBackupPanel extends React.PureComponent {
         });
     }
 
-    _startNewBackup = () => {
+    private startNewBackup = (): void => {
         Modal.createTrackedDialogAsync('Key Backup', 'Key Backup',
             import('../../../async-components/views/dialogs/security/CreateKeyBackupDialog'),
             {
                 onFinished: () => {
-                    this._loadBackupStatus();
+                    this.loadBackupStatus();
                 },
             }, null, /* priority = */ false, /* static = */ true,
         );
-    }
+    };
 
-    _deleteBackup = () => {
+    private deleteBackup = (): void => {
         Modal.createTrackedDialog('Delete Backup', '', QuestionDialog, {
             title: _t('Delete Backup'),
             description: _t(
@@ -174,33 +192,33 @@ export default class SecureBackupPanel extends React.PureComponent {
                 if (!proceed) return;
                 this.setState({ loading: true });
                 MatrixClientPeg.get().deleteKeyBackupVersion(this.state.backupInfo.version).then(() => {
-                    this._loadBackupStatus();
+                    this.loadBackupStatus();
                 });
             },
         });
-    }
+    };
 
-    _restoreBackup = async () => {
+    private restoreBackup = async (): Promise<void> => {
         Modal.createTrackedDialog(
             'Restore Backup', '', RestoreKeyBackupDialog, null, null,
             /* priority = */ false, /* static = */ true,
         );
-    }
+    };
 
-    _resetSecretStorage = async () => {
+    private resetSecretStorage = async (): Promise<void> => {
         this.setState({ error: null });
         try {
-            await accessSecretStorage(() => { }, /* forceReset = */ true);
+            await accessSecretStorage(async () => { }, /* forceReset = */ true);
         } catch (e) {
             console.error("Error resetting secret storage", e);
-            if (this._unmounted) return;
+            if (this.unmounted) return;
             this.setState({ error: e });
         }
-        if (this._unmounted) return;
-        this._loadBackupStatus();
-    }
+        if (this.unmounted) return;
+        this.loadBackupStatus();
+    };
 
-    render() {
+    public render(): JSX.Element {
         const {
             loading,
             error,
@@ -261,7 +279,7 @@ export default class SecureBackupPanel extends React.PureComponent {
                 </div>;
             }
 
-            let backupSigStatuses = backupSigStatus.sigs.map((sig, i) => {
+            let backupSigStatuses: React.ReactNode = backupSigStatus.sigs.map((sig, i) => {
                 const deviceName = sig.device ? (sig.device.getDisplayName() || sig.device.deviceId) : null;
                 const validity = sub =>
                     <span className={sig.valid ? 'mx_SecureBackupPanel_sigValid' : 'mx_SecureBackupPanel_sigInvalid'}>
@@ -369,14 +387,14 @@ export default class SecureBackupPanel extends React.PureComponent {
             </>;
 
             actions.push(
-                <AccessibleButton key="restore" kind="primary" onClick={this._restoreBackup}>
+                <AccessibleButton key="restore" kind="primary" onClick={this.restoreBackup}>
                     { restoreButtonCaption }
                 </AccessibleButton>,
             );
 
             if (!isSecureBackupRequired()) {
                 actions.push(
-                    <AccessibleButton key="delete" kind="danger" onClick={this._deleteBackup}>
+                    <AccessibleButton key="delete" kind="danger" onClick={this.deleteBackup}>
                         { _t("Delete Backup") }
                     </AccessibleButton>,
                 );
@@ -390,7 +408,7 @@ export default class SecureBackupPanel extends React.PureComponent {
                 <p>{ _t("Back up your keys before signing out to avoid losing them.") }</p>
             </>;
             actions.push(
-                <AccessibleButton key="setup" kind="primary" onClick={this._startNewBackup}>
+                <AccessibleButton key="setup" kind="primary" onClick={this.startNewBackup}>
                     { _t("Set up") }
                 </AccessibleButton>,
             );
@@ -398,7 +416,7 @@ export default class SecureBackupPanel extends React.PureComponent {
 
         if (secretStorageKeyInAccount) {
             actions.push(
-                <AccessibleButton key="reset" kind="danger" onClick={this._resetSecretStorage}>
+                <AccessibleButton key="reset" kind="danger" onClick={this.resetSecretStorage}>
                     { _t("Reset") }
                 </AccessibleButton>,
             );

src/components/views/settings/account/EmailAddresses.tsx

@@ -16,16 +16,16 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../MatrixClientPeg";
 import Field from "../../elements/Field";
 import AccessibleButton from "../../elements/AccessibleButton";
 import * as Email from "../../../../email";
 import AddThreepid from "../../../../AddThreepid";
-import * as sdk from '../../../../index';
 import Modal from '../../../../Modal';
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
+import ErrorDialog from "../../dialogs/ErrorDialog";
+import { IThreepid, ThreepidMedium } from "matrix-js-sdk/src/@types/threepids";
 
 /*
 TODO: Improve the UX for everything in here.
@@ -39,42 +39,45 @@ places to communicate errors - these should be replaced with inline validation w
 that is available.
  */
 
-export class ExistingEmailAddress extends React.Component {
-    static propTypes = {
-        email: PropTypes.object.isRequired,
-        onRemoved: PropTypes.func.isRequired,
-    };
+interface IExistingEmailAddressProps {
+    email: IThreepid;
+    onRemoved: (emails: IThreepid) => void;
+}
 
-    constructor() {
-        super();
+interface IExistingEmailAddressState {
+    verifyRemove: boolean;
+}
+
+export class ExistingEmailAddress extends React.Component<IExistingEmailAddressProps, IExistingEmailAddressState> {
+    constructor(props: IExistingEmailAddressProps) {
+        super(props);
 
         this.state = {
             verifyRemove: false,
         };
     }
 
-    _onRemove = (e) => {
+    private onRemove = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         this.setState({ verifyRemove: true });
     };
 
-    _onDontRemove = (e) => {
+    private onDontRemove = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         this.setState({ verifyRemove: false });
     };
 
-    _onActuallyRemove = (e) => {
+    private onActuallyRemove = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         MatrixClientPeg.get().deleteThreePid(this.props.email.medium, this.props.email.address).then(() => {
             return this.props.onRemoved(this.props.email);
         }).catch((err) => {
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             console.error("Unable to remove contact information: " + err);
             Modal.createTrackedDialog('Remove 3pid failed', '', ErrorDialog, {
                 title: _t("Unable to remove contact information"),
@@ -83,7 +86,7 @@ export class ExistingEmailAddress extends React.Component {
         });
     };
 
-    render() {
+    public render(): JSX.Element {
         if (this.state.verifyRemove) {
             return (
                 <div className="mx_ExistingEmailAddress">
@@ -91,14 +94,14 @@ export class ExistingEmailAddress extends React.Component {
                         { _t("Remove %(email)s?", { email: this.props.email.address } ) }
                     </span>
                     <AccessibleButton
-                        onClick={this._onActuallyRemove}
+                        onClick={this.onActuallyRemove}
                         kind="danger_sm"
                         className="mx_ExistingEmailAddress_confirmBtn"
                     >
                         { _t("Remove") }
                     </AccessibleButton>
                     <AccessibleButton
-                        onClick={this._onDontRemove}
+                        onClick={this.onDontRemove}
                         kind="link_sm"
                         className="mx_ExistingEmailAddress_confirmBtn"
                     >
@@ -111,7 +114,7 @@ export class ExistingEmailAddress extends React.Component {
         return (
             <div className="mx_ExistingEmailAddress">
                 <span className="mx_ExistingEmailAddress_email">{ this.props.email.address }</span>
-                <AccessibleButton onClick={this._onRemove} kind="danger_sm">
+                <AccessibleButton onClick={this.onRemove} kind="danger_sm">
                     { _t("Remove") }
                 </AccessibleButton>
             </div>
@@ -119,14 +122,21 @@ export class ExistingEmailAddress extends React.Component {
     }
 }
 
-@replaceableComponent("views.settings.account.EmailAddresses")
-export default class EmailAddresses extends React.Component {
-    static propTypes = {
-        emails: PropTypes.array.isRequired,
-        onEmailsChange: PropTypes.func.isRequired,
-    }
+interface IProps {
+    emails: IThreepid[];
+    onEmailsChange: (emails: Partial<IThreepid>[]) => void;
+}
 
-    constructor(props) {
+interface IState {
+    verifying: boolean;
+    addTask: any; // FIXME: When AddThreepid is TSfied
+    continueDisabled: boolean;
+    newEmailAddress: string;
+}
+
+@replaceableComponent("views.settings.account.EmailAddresses")
+export default class EmailAddresses extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
         super(props);
 
         this.state = {
@@ -137,24 +147,23 @@ export default class EmailAddresses extends React.Component {
         };
     }
 
-    _onRemoved = (address) => {
+    private onRemoved = (address): void => {
         const emails = this.props.emails.filter((e) => e !== address);
         this.props.onEmailsChange(emails);
     };
 
-    _onChangeNewEmailAddress = (e) => {
+    private onChangeNewEmailAddress = (e: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             newEmailAddress: e.target.value,
         });
     };
 
-    _onAddClick = (e) => {
+    private onAddClick = (e: React.FormEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         if (!this.state.newEmailAddress) return;
 
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
         const email = this.state.newEmailAddress;
 
         // TODO: Inline field validation
@@ -181,7 +190,7 @@ export default class EmailAddresses extends React.Component {
         });
     };
 
-    _onContinueClick = (e) => {
+    private onContinueClick = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
@@ -192,7 +201,7 @@ export default class EmailAddresses extends React.Component {
                 const email = this.state.newEmailAddress;
                 const emails = [
                     ...this.props.emails,
-                    { address: email, medium: "email" },
+                    { address: email, medium: ThreepidMedium.Email },
                 ];
                 this.props.onEmailsChange(emails);
                 newEmailAddress = "";
@@ -205,7 +214,6 @@ export default class EmailAddresses extends React.Component {
             });
         }).catch((err) => {
             this.setState({ continueDisabled: false });
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             if (err.errcode === 'M_THREEPID_AUTH_FAILED') {
                 Modal.createTrackedDialog("Email hasn't been verified yet", "", ErrorDialog, {
                     title: _t("Your email address hasn't been verified yet"),
@@ -222,13 +230,13 @@ export default class EmailAddresses extends React.Component {
         });
     };
 
-    render() {
+    public render(): JSX.Element {
         const existingEmailElements = this.props.emails.map((e) => {
-            return <ExistingEmailAddress email={e} onRemoved={this._onRemoved} key={e.address} />;
+            return <ExistingEmailAddress email={e} onRemoved={this.onRemoved} key={e.address} />;
         });
 
         let addButton = (
-            <AccessibleButton onClick={this._onAddClick} kind="primary">
+            <AccessibleButton onClick={this.onAddClick} kind="primary">
                 { _t("Add") }
             </AccessibleButton>
         );
@@ -237,7 +245,7 @@ export default class EmailAddresses extends React.Component {
                 <div>
                     <div>{ _t("We've sent you an email to verify your address. Please follow the instructions there and then click the button below.") }</div>
                     <AccessibleButton
-                        onClick={this._onContinueClick}
+                        onClick={this.onContinueClick}
                         kind="primary"
                         disabled={this.state.continueDisabled}
                     >
@@ -251,7 +259,7 @@ export default class EmailAddresses extends React.Component {
             <div className="mx_EmailAddresses">
                 { existingEmailElements }
                 <form
-                    onSubmit={this._onAddClick}
+                    onSubmit={this.onAddClick}
                     autoComplete="off"
                     noValidate={true}
                     className="mx_EmailAddresses_new"
@@ -262,7 +270,7 @@ export default class EmailAddresses extends React.Component {
                         autoComplete="off"
                         disabled={this.state.verifying}
                         value={this.state.newEmailAddress}
-                        onChange={this._onChangeNewEmailAddress}
+                        onChange={this.onChangeNewEmailAddress}
                     />
                     { addButton }
                 </form>

src/components/views/settings/account/PhoneNumbers.tsx

@@ -16,16 +16,17 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../MatrixClientPeg";
 import Field from "../../elements/Field";
 import AccessibleButton from "../../elements/AccessibleButton";
 import AddThreepid from "../../../../AddThreepid";
 import CountryDropdown from "../../auth/CountryDropdown";
-import * as sdk from '../../../../index';
 import Modal from '../../../../Modal';
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
+import { IThreepid, ThreepidMedium } from "matrix-js-sdk/src/@types/threepids";
+import ErrorDialog from "../../dialogs/ErrorDialog";
+import { PhoneNumberCountryDefinition } from "../../../../phonenumber";
 
 /*
 TODO: Improve the UX for everything in here.
@@ -34,42 +35,45 @@ This is a copy/paste of EmailAddresses, mostly.
 
 // TODO: Combine EmailAddresses and PhoneNumbers to be 3pid agnostic
 
-export class ExistingPhoneNumber extends React.Component {
-    static propTypes = {
-        msisdn: PropTypes.object.isRequired,
-        onRemoved: PropTypes.func.isRequired,
-    };
+interface IExistingPhoneNumberProps {
+    msisdn: IThreepid;
+    onRemoved: (phoneNumber: IThreepid) => void;
+}
 
-    constructor() {
-        super();
+interface IExistingPhoneNumberState {
+    verifyRemove: boolean;
+}
+
+export class ExistingPhoneNumber extends React.Component<IExistingPhoneNumberProps, IExistingPhoneNumberState> {
+    constructor(props: IExistingPhoneNumberProps) {
+        super(props);
 
         this.state = {
             verifyRemove: false,
         };
     }
 
-    _onRemove = (e) => {
+    private onRemove = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         this.setState({ verifyRemove: true });
     };
 
-    _onDontRemove = (e) => {
+    private onDontRemove = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         this.setState({ verifyRemove: false });
     };
 
-    _onActuallyRemove = (e) => {
+    private onActuallyRemove = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         MatrixClientPeg.get().deleteThreePid(this.props.msisdn.medium, this.props.msisdn.address).then(() => {
             return this.props.onRemoved(this.props.msisdn);
         }).catch((err) => {
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             console.error("Unable to remove contact information: " + err);
             Modal.createTrackedDialog('Remove 3pid failed', '', ErrorDialog, {
                 title: _t("Unable to remove contact information"),
@@ -78,7 +82,7 @@ export class ExistingPhoneNumber extends React.Component {
         });
     };
 
-    render() {
+    public render(): JSX.Element {
         if (this.state.verifyRemove) {
             return (
                 <div className="mx_ExistingPhoneNumber">
@@ -86,14 +90,14 @@ export class ExistingPhoneNumber extends React.Component {
                         { _t("Remove %(phone)s?", { phone: this.props.msisdn.address }) }
                     </span>
                     <AccessibleButton
-                        onClick={this._onActuallyRemove}
+                        onClick={this.onActuallyRemove}
                         kind="danger_sm"
                         className="mx_ExistingPhoneNumber_confirmBtn"
                     >
                         { _t("Remove") }
                     </AccessibleButton>
                     <AccessibleButton
-                        onClick={this._onDontRemove}
+                        onClick={this.onDontRemove}
                         kind="link_sm"
                         className="mx_ExistingPhoneNumber_confirmBtn"
                     >
@@ -106,7 +110,7 @@ export class ExistingPhoneNumber extends React.Component {
         return (
             <div className="mx_ExistingPhoneNumber">
                 <span className="mx_ExistingPhoneNumber_address">+{ this.props.msisdn.address }</span>
-                <AccessibleButton onClick={this._onRemove} kind="danger_sm">
+                <AccessibleButton onClick={this.onRemove} kind="danger_sm">
                     { _t("Remove") }
                 </AccessibleButton>
             </div>
@@ -114,19 +118,30 @@ export class ExistingPhoneNumber extends React.Component {
     }
 }
 
-@replaceableComponent("views.settings.account.PhoneNumbers")
-export default class PhoneNumbers extends React.Component {
-    static propTypes = {
-        msisdns: PropTypes.array.isRequired,
-        onMsisdnsChange: PropTypes.func.isRequired,
-    }
+interface IProps {
+    msisdns: IThreepid[];
+    onMsisdnsChange: (phoneNumbers: Partial<IThreepid>[]) => void;
+}
 
-    constructor(props) {
+interface IState {
+    verifying: boolean;
+    verifyError: string;
+    verifyMsisdn: string;
+    addTask: any; // FIXME: When AddThreepid is TSfied
+    continueDisabled: boolean;
+    phoneCountry: string;
+    newPhoneNumber: string;
+    newPhoneNumberCode: string;
+}
+
+@replaceableComponent("views.settings.account.PhoneNumbers")
+export default class PhoneNumbers extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
         super(props);
 
         this.state = {
             verifying: false,
-            verifyError: false,
+            verifyError: null,
             verifyMsisdn: "",
             addTask: null,
             continueDisabled: false,
@@ -136,30 +151,29 @@ export default class PhoneNumbers extends React.Component {
         };
     }
 
-    _onRemoved = (address) => {
+    private onRemoved = (address: IThreepid): void => {
         const msisdns = this.props.msisdns.filter((e) => e !== address);
         this.props.onMsisdnsChange(msisdns);
     };
 
-    _onChangeNewPhoneNumber = (e) => {
+    private onChangeNewPhoneNumber = (e: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             newPhoneNumber: e.target.value,
         });
     };
 
-    _onChangeNewPhoneNumberCode = (e) => {
+    private onChangeNewPhoneNumberCode = (e: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             newPhoneNumberCode: e.target.value,
         });
     };
 
-    _onAddClick = (e) => {
+    private onAddClick = (e: React.MouseEvent | React.FormEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
         if (!this.state.newPhoneNumber) return;
 
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
         const phoneNumber = this.state.newPhoneNumber;
         const phoneCountry = this.state.phoneCountry;
 
@@ -178,7 +192,7 @@ export default class PhoneNumbers extends React.Component {
         });
     };
 
-    _onContinueClick = (e) => {
+    private onContinueClick = (e: React.MouseEvent | React.FormEvent): void => {
         e.stopPropagation();
         e.preventDefault();
 
@@ -190,7 +204,7 @@ export default class PhoneNumbers extends React.Component {
             if (finished) {
                 const msisdns = [
                     ...this.props.msisdns,
-                    { address, medium: "msisdn" },
+                    { address, medium: ThreepidMedium.Phone },
                 ];
                 this.props.onMsisdnsChange(msisdns);
                 newPhoneNumber = "";
@@ -207,7 +221,6 @@ export default class PhoneNumbers extends React.Component {
         }).catch((err) => {
             this.setState({ continueDisabled: false });
             if (err.errcode !== 'M_THREEPID_AUTH_FAILED') {
-                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                 console.error("Unable to verify phone number: " + err);
                 Modal.createTrackedDialog('Unable to verify phone number', '', ErrorDialog, {
                     title: _t("Unable to verify phone number."),
@@ -219,17 +232,17 @@ export default class PhoneNumbers extends React.Component {
         });
     };
 
-    _onCountryChanged = (e) => {
-        this.setState({ phoneCountry: e.iso2 });
+    private onCountryChanged = (country: PhoneNumberCountryDefinition): void => {
+        this.setState({ phoneCountry: country.iso2 });
     };
 
-    render() {
+    public render(): JSX.Element {
         const existingPhoneElements = this.props.msisdns.map((p) => {
-            return <ExistingPhoneNumber msisdn={p} onRemoved={this._onRemoved} key={p.address} />;
+            return <ExistingPhoneNumber msisdn={p} onRemoved={this.onRemoved} key={p.address} />;
         });
 
         let addVerifySection = (
-            <AccessibleButton onClick={this._onAddClick} kind="primary">
+            <AccessibleButton onClick={this.onAddClick} kind="primary">
                 { _t("Add") }
             </AccessibleButton>
         );
@@ -243,17 +256,17 @@ export default class PhoneNumbers extends React.Component {
                         <br />
                         { this.state.verifyError }
                     </div>
-                    <form onSubmit={this._onContinueClick} autoComplete="off" noValidate={true}>
+                    <form onSubmit={this.onContinueClick} autoComplete="off" noValidate={true}>
                         <Field
                             type="text"
                             label={_t("Verification code")}
                             autoComplete="off"
                             disabled={this.state.continueDisabled}
                             value={this.state.newPhoneNumberCode}
-                            onChange={this._onChangeNewPhoneNumberCode}
+                            onChange={this.onChangeNewPhoneNumberCode}
                         />
                         <AccessibleButton
-                            onClick={this._onContinueClick}
+                            onClick={this.onContinueClick}
                             kind="primary"
                             disabled={this.state.continueDisabled}
                         >
@@ -264,7 +277,7 @@ export default class PhoneNumbers extends React.Component {
             );
         }
 
-        const phoneCountry = <CountryDropdown onOptionChange={this._onCountryChanged}
+        const phoneCountry = <CountryDropdown onOptionChange={this.onCountryChanged}
             className="mx_PhoneNumbers_country"
             value={this.state.phoneCountry}
             disabled={this.state.verifying}
@@ -275,7 +288,7 @@ export default class PhoneNumbers extends React.Component {
         return (
             <div className="mx_PhoneNumbers">
                 { existingPhoneElements }
-                <form onSubmit={this._onAddClick} autoComplete="off" noValidate={true} className="mx_PhoneNumbers_new">
+                <form onSubmit={this.onAddClick} autoComplete="off" noValidate={true} className="mx_PhoneNumbers_new">
                     <div className="mx_PhoneNumbers_input">
                         <Field
                             type="text"
@@ -284,7 +297,7 @@ export default class PhoneNumbers extends React.Component {
                             disabled={this.state.verifying}
                             prefixComponent={phoneCountry}
                             value={this.state.newPhoneNumber}
-                            onChange={this._onChangeNewPhoneNumber}
+                            onChange={this.onChangeNewPhoneNumber}
                         />
                     </div>
                 </form>

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

@@ -16,14 +16,15 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 
 import { _t } from "../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../MatrixClientPeg";
-import * as sdk from '../../../../index';
 import Modal from '../../../../Modal';
 import AddThreepid from '../../../../AddThreepid';
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
+import { IThreepid } from "matrix-js-sdk/src/@types/threepids";
+import ErrorDialog from "../../dialogs/ErrorDialog";
+import AccessibleButton from "../../elements/AccessibleButton";
 
 /*
 TODO: Improve the UX for everything in here.
@@ -41,12 +42,19 @@ that is available.
 TODO: Reduce all the copying between account vs. discovery components.
 */
 
-export class EmailAddress extends React.Component {
-    static propTypes = {
-        email: PropTypes.object.isRequired,
-    };
+interface IEmailAddressProps {
+    email: IThreepid;
+}
 
-    constructor(props) {
+interface IEmailAddressState {
+    verifying: boolean;
+    addTask: any; // FIXME: When AddThreepid is TSfied
+    continueDisabled: boolean;
+    bound: boolean;
+}
+
+export class EmailAddress extends React.Component<IEmailAddressProps, IEmailAddressState> {
+    constructor(props: IEmailAddressProps) {
         super(props);
 
         const { bound } = props.email;
@@ -60,17 +68,17 @@ export class EmailAddress extends React.Component {
     }
 
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    UNSAFE_componentWillReceiveProps(nextProps) { // eslint-disable-line camelcase
+    // eslint-disable-next-line @typescript-eslint/naming-convention, camelcase
+    public UNSAFE_componentWillReceiveProps(nextProps: IEmailAddressProps): void {
         const { bound } = nextProps.email;
         this.setState({ bound });
     }
 
-    async changeBinding({ bind, label, errorTitle }) {
+    private async changeBinding({ bind, label, errorTitle }): Promise<void> {
         if (!await MatrixClientPeg.get().doesServerSupportSeparateAddAndBind()) {
             return this.changeBindingTangledAddBind({ bind, label, errorTitle });
         }
 
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
         const { medium, address } = this.props.email;
 
         try {
@@ -103,8 +111,7 @@ export class EmailAddress extends React.Component {
         }
     }
 
-    async changeBindingTangledAddBind({ bind, label, errorTitle }) {
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
+    private async changeBindingTangledAddBind({ bind, label, errorTitle }): Promise<void> {
         const { medium, address } = this.props.email;
 
         const task = new AddThreepid();
@@ -139,7 +146,7 @@ export class EmailAddress extends React.Component {
         }
     }
 
-    onRevokeClick = (e) => {
+    private onRevokeClick = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
         this.changeBinding({
@@ -147,9 +154,9 @@ export class EmailAddress extends React.Component {
             label: "revoke",
             errorTitle: _t("Unable to revoke sharing for email address"),
         });
-    }
+    };
 
-    onShareClick = (e) => {
+    private onShareClick = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
         this.changeBinding({
@@ -157,9 +164,9 @@ export class EmailAddress extends React.Component {
             label: "share",
             errorTitle: _t("Unable to share email address"),
         });
-    }
+    };
 
-    onContinueClick = async (e) => {
+    private onContinueClick = async (e: React.MouseEvent): Promise<void> => {
         e.stopPropagation();
         e.preventDefault();
 
@@ -173,7 +180,6 @@ export class EmailAddress extends React.Component {
             });
         } catch (err) {
             this.setState({ continueDisabled: false });
-            const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             if (err.errcode === 'M_THREEPID_AUTH_FAILED') {
                 Modal.createTrackedDialog("E-mail hasn't been verified yet", "", ErrorDialog, {
                     title: _t("Your email address hasn't been verified yet"),
@@ -188,10 +194,9 @@ export class EmailAddress extends React.Component {
                 });
             }
         }
-    }
+    };
 
-    render() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    public render(): JSX.Element {
         const { address } = this.props.email;
         const { verifying, bound } = this.state;
 
@@ -234,14 +239,13 @@ export class EmailAddress extends React.Component {
         );
     }
 }
+interface IProps {
+    emails: IThreepid[];
+}
 
 @replaceableComponent("views.settings.discovery.EmailAddresses")
-export default class EmailAddresses extends React.Component {
-    static propTypes = {
-        emails: PropTypes.array.isRequired,
-    }
-
-    render() {
+export default class EmailAddresses extends React.Component<IProps> {
+    public render(): JSX.Element {
         let content;
         if (this.props.emails.length > 0) {
             content = this.props.emails.map((e) => {

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

@@ -16,14 +16,16 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 
 import { _t } from "../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../MatrixClientPeg";
-import * as sdk from '../../../../index';
 import Modal from '../../../../Modal';
 import AddThreepid from '../../../../AddThreepid';
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
+import { IThreepid } from "matrix-js-sdk/src/@types/threepids";
+import ErrorDialog from "../../dialogs/ErrorDialog";
+import Field from "../../elements/Field";
+import AccessibleButton from "../../elements/AccessibleButton";
 
 /*
 TODO: Improve the UX for everything in here.
@@ -32,12 +34,21 @@ This is a copy/paste of EmailAddresses, mostly.
 
 // TODO: Combine EmailAddresses and PhoneNumbers to be 3pid agnostic
 
-export class PhoneNumber extends React.Component {
-    static propTypes = {
-        msisdn: PropTypes.object.isRequired,
-    };
+interface IPhoneNumberProps {
+    msisdn: IThreepid;
+}
 
-    constructor(props) {
+interface IPhoneNumberState {
+    verifying: boolean;
+    verificationCode: string;
+    addTask: any; // FIXME: When AddThreepid is TSfied
+    continueDisabled: boolean;
+    bound: boolean;
+    verifyError: string;
+}
+
+export class PhoneNumber extends React.Component<IPhoneNumberProps, IPhoneNumberState> {
+    constructor(props: IPhoneNumberProps) {
         super(props);
 
         const { bound } = props.msisdn;
@@ -48,21 +59,22 @@ export class PhoneNumber extends React.Component {
             addTask: null,
             continueDisabled: false,
             bound,
+            verifyError: null,
         };
     }
 
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    UNSAFE_componentWillReceiveProps(nextProps) { // eslint-disable-line camelcase
+    // eslint-disable-next-line @typescript-eslint/naming-convention, camelcase
+    public UNSAFE_componentWillReceiveProps(nextProps: IPhoneNumberProps): void {
         const { bound } = nextProps.msisdn;
         this.setState({ bound });
     }
 
-    async changeBinding({ bind, label, errorTitle }) {
+    private async changeBinding({ bind, label, errorTitle }): Promise<void> {
         if (!await MatrixClientPeg.get().doesServerSupportSeparateAddAndBind()) {
             return this.changeBindingTangledAddBind({ bind, label, errorTitle });
         }
 
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
         const { medium, address } = this.props.msisdn;
 
         try {
@@ -99,8 +111,7 @@ export class PhoneNumber extends React.Component {
         }
     }
 
-    async changeBindingTangledAddBind({ bind, label, errorTitle }) {
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
+    private async changeBindingTangledAddBind({ bind, label, errorTitle }): Promise<void> {
         const { medium, address } = this.props.msisdn;
 
         const task = new AddThreepid();
@@ -139,7 +150,7 @@ export class PhoneNumber extends React.Component {
         }
     }
 
-    onRevokeClick = (e) => {
+    private onRevokeClick = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
         this.changeBinding({
@@ -147,9 +158,9 @@ export class PhoneNumber extends React.Component {
             label: "revoke",
             errorTitle: _t("Unable to revoke sharing for phone number"),
         });
-    }
+    };
 
-    onShareClick = (e) => {
+    private onShareClick = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
         this.changeBinding({
@@ -157,15 +168,15 @@ export class PhoneNumber extends React.Component {
             label: "share",
             errorTitle: _t("Unable to share phone number"),
         });
-    }
+    };
 
-    onVerificationCodeChange = (e) => {
+    private onVerificationCodeChange = (e: React.ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             verificationCode: e.target.value,
         });
-    }
+    };
 
-    onContinueClick = async (e) => {
+    private onContinueClick = async (e: React.MouseEvent | React.FormEvent): Promise<void> => {
         e.stopPropagation();
         e.preventDefault();
 
@@ -183,7 +194,6 @@ export class PhoneNumber extends React.Component {
         } catch (err) {
             this.setState({ continueDisabled: false });
             if (err.errcode !== 'M_THREEPID_AUTH_FAILED') {
-                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                 console.error("Unable to verify phone number: " + err);
                 Modal.createTrackedDialog('Unable to verify phone number', '', ErrorDialog, {
                     title: _t("Unable to verify phone number."),
@@ -193,11 +203,9 @@ export class PhoneNumber extends React.Component {
                 this.setState({ verifyError: _t("Incorrect verification code") });
             }
         }
-    }
+    };
 
-    render() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-        const Field = sdk.getComponent('elements.Field');
+    public render(): JSX.Element {
         const { address } = this.props.msisdn;
         const { verifying, bound } = this.state;
 
@@ -247,13 +255,13 @@ export class PhoneNumber extends React.Component {
     }
 }
 
-@replaceableComponent("views.settings.discovery.PhoneNumbers")
-export default class PhoneNumbers extends React.Component {
-    static propTypes = {
-        msisdns: PropTypes.array.isRequired,
-    }
+interface IProps {
+    msisdns: IThreepid[];
+}
 
-    render() {
+@replaceableComponent("views.settings.discovery.PhoneNumbers")
+export default class PhoneNumbers extends React.Component<IProps> {
+    public render(): JSX.Element {
         let content;
         if (this.props.msisdns.length > 0) {
             content = this.props.msisdns.map((e) => {

src/components/views/settings/tabs/room/GeneralRoomSettingsTab.tsx

@@ -15,45 +15,46 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../../../languageHandler";
 import RoomProfileSettings from "../../../room_settings/RoomProfileSettings";
-import * as sdk from "../../../../..";
 import AccessibleButton from "../../../elements/AccessibleButton";
 import dis from "../../../../../dispatcher/dispatcher";
 import MatrixClientContext from "../../../../../contexts/MatrixClientContext";
 import SettingsStore from "../../../../../settings/SettingsStore";
 import { UIFeature } from "../../../../../settings/UIFeature";
 import { replaceableComponent } from "../../../../../utils/replaceableComponent";
+import UrlPreviewSettings from "../../../room_settings/UrlPreviewSettings";
+import RelatedGroupSettings from "../../../room_settings/RelatedGroupSettings";
+import AliasSettings from "../../../room_settings/AliasSettings";
+
+interface IProps {
+    roomId: string;
+}
+
+interface IState {
+    isRoomPublished: boolean;
+}
 
 @replaceableComponent("views.settings.tabs.room.GeneralRoomSettingsTab")
-export default class GeneralRoomSettingsTab extends React.Component {
-    static propTypes = {
-        roomId: PropTypes.string.isRequired,
-    };
+export default class GeneralRoomSettingsTab extends React.Component<IProps, IState> {
+    public static contextType = MatrixClientContext;
 
-    static contextType = MatrixClientContext;
-
-    constructor() {
-        super();
+    constructor(props: IProps) {
+        super(props);
 
         this.state = {
             isRoomPublished: false, // loaded async
         };
     }
 
-    _onLeaveClick = () => {
+    private onLeaveClick = (): void => {
         dis.dispatch({
             action: 'leave_room',
             room_id: this.props.roomId,
         });
     };
 
-    render() {
-        const AliasSettings = sdk.getComponent("room_settings.AliasSettings");
-        const RelatedGroupSettings = sdk.getComponent("room_settings.RelatedGroupSettings");
-        const UrlPreviewSettings = sdk.getComponent("room_settings.UrlPreviewSettings");
-
+    public render(): JSX.Element {
         const client = this.context;
         const room = client.getRoom(this.props.roomId);
 
@@ -110,7 +111,7 @@ export default class GeneralRoomSettingsTab extends React.Component {
 
                 <span className='mx_SettingsTab_subheading'>{ _t("Leave room") }</span>
                 <div className='mx_SettingsTab_section'>
-                    <AccessibleButton kind='danger' onClick={this._onLeaveClick}>
+                    <AccessibleButton kind='danger' onClick={this.onLeaveClick}>
                         { _t('Leave room') }
                     </AccessibleButton>
                 </div>

src/components/views/settings/tabs/room/NotificationSettingsTab.tsx

@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../../../languageHandler";
 import { MatrixClientPeg } from "../../../../../MatrixClientPeg";
 import AccessibleButton from "../../../elements/AccessibleButton";
@@ -24,16 +23,21 @@ import SettingsStore from '../../../../../settings/SettingsStore';
 import { SettingLevel } from "../../../../../settings/SettingLevel";
 import { replaceableComponent } from "../../../../../utils/replaceableComponent";
 
+interface IProps {
+    roomId: string;
+}
+
+interface IState {
+    currentSound: string;
+    uploadedFile: File;
+}
+
 @replaceableComponent("views.settings.tabs.room.NotificationsSettingsTab")
-export default class NotificationsSettingsTab extends React.Component {
-    static propTypes = {
-        roomId: PropTypes.string.isRequired,
-    };
+export default class NotificationsSettingsTab extends React.Component<IProps, IState> {
+    private soundUpload = createRef<HTMLInputElement>();
 
-    _soundUpload = createRef();
-
-    constructor() {
-        super();
+    constructor(props: IProps) {
+        super(props);
 
         this.state = {
             currentSound: "default",
@@ -42,7 +46,8 @@ export default class NotificationsSettingsTab extends React.Component {
     }
 
     // TODO: [REACT-WARNING] Replace component with real class, use constructor for refs
-    UNSAFE_componentWillMount() { // eslint-disable-line camelcase
+    // eslint-disable-next-line @typescript-eslint/naming-convention, camelcase
+    public UNSAFE_componentWillMount(): void {
         const soundData = Notifier.getSoundForRoom(this.props.roomId);
         if (!soundData) {
             return;
@@ -50,14 +55,14 @@ export default class NotificationsSettingsTab extends React.Component {
         this.setState({ currentSound: soundData.name || soundData.url });
     }
 
-    async _triggerUploader(e) {
+    private triggerUploader = async (e: React.MouseEvent): Promise<void> => {
         e.stopPropagation();
         e.preventDefault();
 
-        this._soundUpload.current.click();
-    }
+        this.soundUpload.current.click();
+    };
 
-    async _onSoundUploadChanged(e) {
+    private onSoundUploadChanged = (e: React.ChangeEvent<HTMLInputElement>): Promise<void> => {
         if (!e.target.files || !e.target.files.length) {
             this.setState({
                 uploadedFile: null,
@@ -69,23 +74,23 @@ export default class NotificationsSettingsTab extends React.Component {
         this.setState({
             uploadedFile: file,
         });
-    }
+    };
 
-    async _onClickSaveSound(e) {
+    private onClickSaveSound = async (e: React.MouseEvent): Promise<void> => {
         e.stopPropagation();
         e.preventDefault();
 
         try {
-            await this._saveSound();
+            await this.saveSound();
         } catch (ex) {
             console.error(
                 `Unable to save notification sound for ${this.props.roomId}`,
             );
             console.error(ex);
         }
-    }
+    };
 
-    async _saveSound() {
+    private async saveSound(): Promise<void> {
         if (!this.state.uploadedFile) {
             return;
         }
@@ -122,7 +127,7 @@ export default class NotificationsSettingsTab extends React.Component {
         });
     }
 
-    _clearSound(e) {
+    private clearSound = (e: React.MouseEvent): void => {
         e.stopPropagation();
         e.preventDefault();
         SettingsStore.setValue(
@@ -135,9 +140,9 @@ export default class NotificationsSettingsTab extends React.Component {
         this.setState({
             currentSound: "default",
         });
-    }
+    };
 
-    render() {
+    public render(): JSX.Element {
         let currentUploadedFile = null;
         if (this.state.uploadedFile) {
             currentUploadedFile = (
@@ -154,23 +159,23 @@ export default class NotificationsSettingsTab extends React.Component {
                     <span className='mx_SettingsTab_subheading'>{ _t("Sounds") }</span>
                     <div>
                         <span>{ _t("Notification sound") }: <code>{ this.state.currentSound }</code></span><br />
-                        <AccessibleButton className="mx_NotificationSound_resetSound" disabled={this.state.currentSound == "default"} onClick={this._clearSound.bind(this)} kind="primary">
+                        <AccessibleButton className="mx_NotificationSound_resetSound" disabled={this.state.currentSound == "default"} onClick={this.clearSound} kind="primary">
                             { _t("Reset") }
                         </AccessibleButton>
                     </div>
                     <div>
                         <h3>{ _t("Set a new custom sound") }</h3>
                         <form autoComplete="off" noValidate={true}>
-                            <input ref={this._soundUpload} className="mx_NotificationSound_soundUpload" type="file" onChange={this._onSoundUploadChanged.bind(this)} accept="audio/*" />
+                            <input ref={this.soundUpload} className="mx_NotificationSound_soundUpload" type="file" onChange={this.onSoundUploadChanged} accept="audio/*" />
                         </form>
 
                         { currentUploadedFile }
 
-                        <AccessibleButton className="mx_NotificationSound_browse" onClick={this._triggerUploader.bind(this)} kind="primary">
+                        <AccessibleButton className="mx_NotificationSound_browse" onClick={this.triggerUploader} kind="primary">
                             { _t("Browse") }
                         </AccessibleButton>
 
-                        <AccessibleButton className="mx_NotificationSound_save" disabled={this.state.uploadedFile == null} onClick={this._onClickSaveSound.bind(this)} kind="primary">
+                        <AccessibleButton className="mx_NotificationSound_save" disabled={this.state.uploadedFile == null} onClick={this.onClickSaveSound} kind="primary">
                             { _t("Save") }
                         </AccessibleButton>
                         <br />