Merge branch 'develop' of github.com:matrix-org/matrix-react-sdk into t3chguy/fix/18969

 Conflicts:

	src/components/views/dialogs/LeaveSpaceDialog.tsx

	src/i18n/strings/en_EN.json

.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;
+    }
+}

res/css/views/rooms/_EventTile.scss

@@ -732,6 +732,11 @@ $hover-select-border: 4px;
         margin-top: 0;
         padding-bottom: 5px;
         margin-bottom: 5px;
+
+        .mx_MessageTimestamp {
+            left: auto;
+            right: 0;
+        }
     }
 
     .mx_MessageComposer_sendMessage {

res/css/views/rooms/_MessageComposer.scss

@@ -185,16 +185,26 @@ limitations under the License.
     }
 }
 
+.mx_ContextualMenu {
+    .mx_MessageComposer_button {
+        padding-left: calc(var(--size) + 6px);
+    }
+}
+
 .mx_MessageComposer_button {
     --size: 26px;
     position: relative;
-    margin-right: 6px;
     cursor: pointer;
     height: var(--size);
     line-height: var(--size);
     width: auto;
-    padding-left: calc(var(--size) + 5px);
+    padding-left: var(--size);
     border-radius: 100%;
+    margin-right: 6px;
+
+    &:last-child {
+        margin-right: auto;
+    }
 
     &::before {
         content: '';

src/@types/global.d.ts

@@ -49,6 +49,8 @@ import PerformanceMonitor from "../performance";
 import UIStore from "../stores/UIStore";
 import { SetupEncryptionStore } from "../stores/SetupEncryptionStore";
 import { RoomScrollStateStore } from "../stores/RoomScrollStateStore";
+import { ConsoleLogger, IndexedDBLogStore } from "../rageshake/rageshake";
+import ActiveWidgetStore from "../stores/ActiveWidgetStore";
 
 /* eslint-disable @typescript-eslint/naming-convention */
 
@@ -92,6 +94,7 @@ declare global {
         mxUIStore: UIStore;
         mxSetupEncryptionStore?: SetupEncryptionStore;
         mxRoomScrollStateStore?: RoomScrollStateStore;
+        mxActiveWidgetStore?: ActiveWidgetStore;
         mxOnRecaptchaLoaded?: () => void;
         electron?: Electron;
     }
@@ -223,6 +226,15 @@ declare global {
               ) => string;
               isReady: () => boolean;
           };
+
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_logger: ConsoleLogger;
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_initPromise: Promise<void>;
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_initStoragePromise: Promise<void>;
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_store: IndexedDBLogStore;
 }
 
 /* eslint-enable @typescript-eslint/naming-convention */

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

@@ -30,6 +30,8 @@ const HEARTBEAT_INTERVAL = 5_000; // ms
 const SESSION_UPDATE_INTERVAL = 60; // seconds
 const MAX_PENDING_EVENTS = 1000;
 
+export type Rating = 1 | 2 | 3 | 4 | 5;
+
 enum Orientation {
     Landscape = "landscape",
     Portrait = "portrait",
@@ -451,7 +453,7 @@ export default class CountlyAnalytics {
         window.removeEventListener("scroll", this.onUserActivity);
     }
 
-    public reportFeedback(rating: 1 | 2 | 3 | 4 | 5, comment: string) {
+    public reportFeedback(rating: Rating, comment: string) {
         this.track<IStarRatingEvent>("[CLY]_star_rating", { rating, comment }, null, {}, true);
     }
 
@@ -536,7 +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(','));
+        logger.log("Old unverified sessions: " + Array.from(oldUnverifiedDeviceIds).join(','));
-        console.log("New unverified sessions: " + Array.from(newUnverifiedDeviceIds).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
@@ -784,7 +786,7 @@ async function startMatrixClient(startSyncing = true): Promise<void> {
     UserActivity.sharedInstance().start();
     DMRoomMap.makeShared().start();
     IntegrationManagers.sharedInstance().startWatching();
-    ActiveWidgetStore.start();
+    ActiveWidgetStore.instance.start();
     CallHandler.sharedInstance().start();
 
     // Start Mjolnir even though we haven't checked the feature flag yet. Starting
@@ -890,7 +892,7 @@ export function stopMatrixClient(unsetClient = true): void {
     UserActivity.sharedInstance().stop();
     TypingStore.sharedInstance().reset();
     Presence.stop();
-    ActiveWidgetStore.stop();
+    ActiveWidgetStore.instance.stop();
     IntegrationManagers.sharedInstance().stopWatching();
     Mjolnir.sharedInstance().stop();
     DeviceListener.sharedInstance().stop();

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()) {
+    if (key && (await client.isSecretStorageReady())) {
-        console.log("Trying to set up cross-signing using dehydration key");
+        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 {
+interface IProps extends IDialogProps {}
-    onFinished: (confirmed: boolean) => void;
-}
 
 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/RightPanel.tsx

@@ -18,7 +18,6 @@ limitations under the License.
 import React from 'react';
 import { Room } from "matrix-js-sdk/src/models/room";
 import { RoomState } from "matrix-js-sdk/src/models/room-state";
-import { User } from "matrix-js-sdk/src/models/user";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
@@ -54,11 +53,12 @@ import { throttle } from 'lodash';
 import SpaceStore from "../../stores/SpaceStore";
 import { RoomPermalinkCreator } from '../../utils/permalinks/Permalinks';
 import { E2EStatus } from '../../utils/ShieldUtils';
+import { SetRightPanelPhasePayload } from '../../dispatcher/payloads/SetRightPanelPhasePayload';
 
 interface IProps {
     room?: Room; // if showing panels for a given room, this is set
     groupId?: string; // if showing panels for a given group, this is set
-    user?: User; // used if we know the user ahead of opening the panel
+    member?: RoomMember; // used if we know the room member ahead of opening the panel
     resizeNotifier: ResizeNotifier;
     permalinkCreator?: RoomPermalinkCreator;
     e2eStatus?: E2EStatus;
@@ -99,10 +99,10 @@ export default class RightPanel extends React.Component<IProps, IState> {
 
     // Helper function to split out the logic for getPhaseFromProps() and the constructor
     // as both are called at the same time in the constructor.
-    private getUserForPanel() {
+    private getUserForPanel(): RoomMember {
         if (this.state && this.state.member) return this.state.member;
         const lastParams = RightPanelStore.getSharedInstance().roomPanelPhaseParams;
-        return this.props.user || lastParams['member'];
+        return this.props.member || lastParams['member'];
     }
 
     // gets the current phase from the props and also maybe the store
@@ -143,14 +143,14 @@ export default class RightPanel extends React.Component<IProps, IState> {
         return rps.roomPanelPhase;
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.dispatcherRef = dis.register(this.onAction);
         const cli = this.context;
         cli.on("RoomState.members", this.onRoomStateMember);
         this.initGroupStore(this.props.groupId);
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
         dis.unregister(this.dispatcherRef);
         if (this.context) {
             this.context.removeListener("RoomState.members", this.onRoomStateMember);
@@ -159,7 +159,7 @@ export default class RightPanel extends React.Component<IProps, IState> {
     }
 
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    UNSAFE_componentWillReceiveProps(newProps) { // eslint-disable-line
+    public UNSAFE_componentWillReceiveProps(newProps: IProps): void { // eslint-disable-line
         if (newProps.groupId !== this.props.groupId) {
             this.unregisterGroupStore();
             this.initGroupStore(newProps.groupId);
@@ -196,6 +196,15 @@ export default class RightPanel extends React.Component<IProps, IState> {
     };
 
     private onAction = (payload: ActionPayload) => {
+        const isChangingRoom = payload.action === 'view_room' && payload.room_id !== this.props.room.roomId;
+        const isViewingThread = this.state.phase === RightPanelPhases.ThreadView;
+        if (isChangingRoom && isViewingThread) {
+            dis.dispatch<SetRightPanelPhasePayload>({
+                action: Action.SetRightPanelPhase,
+                phase: RightPanelPhases.ThreadPanel,
+            });
+        }
+
         if (payload.action === Action.AfterRightPanelPhaseChange) {
             this.setState({
                 phase: payload.phase,
@@ -215,7 +224,7 @@ export default class RightPanel extends React.Component<IProps, IState> {
         // XXX: There are three different ways of 'closing' this panel depending on what state
         // things are in... this knows far more than it should do about the state of the rest
         // of the app and is generally a bit silly.
-        if (this.props.user) {
+        if (this.props.member) {
             // If we have a user prop then we're displaying a user from the 'user' page type
             // in LoggedInView, so need to change the page type to close the panel (we switch
             // to the home page which is not obviously the correct thing to do, but I'm not sure

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/ThreadView.tsx

@@ -133,15 +133,22 @@ export default class ThreadView extends React.Component<IProps, IState> {
                 { this.state.thread && (
                     <TimelinePanel
                         ref={this.timelinePanelRef}
-                        manageReadReceipts={false}
+                        showReadReceipts={false} // No RR support in thread's MVP
-                        manageReadMarkers={false}
+                        manageReadReceipts={false} // No RR support in thread's MVP
+                        manageReadMarkers={false} // No RM support in thread's MVP
+                        sendReadReceiptOnLoad={false} // No RR support in thread's MVP
                         timelineSet={this.state?.thread?.timelineSet}
-                        showUrlPreview={false}
+                        showUrlPreview={true}
                         tileShape={TileShape.Notif}
                         empty={<div>empty</div>}
                         alwaysShowTimestamps={true}
                         layout={Layout.Group}
                         hideThreadedMessages={false}
+                        hidden={false}
+                        showReactions={true}
+                        className="mx_RoomView_messagePanel mx_GroupLayout"
+                        permalinkCreator={this.props.permalinkCreator}
+                        membersLoaded={true}
                     />
                 ) }
                 <MessageComposer

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/UserView.tsx

@@ -86,8 +86,8 @@ export default class UserView extends React.Component<IProps, IState> {
     public render(): JSX.Element {
         if (this.state.loading) {
             return <Spinner />;
-        } else if (this.state.member?.user) {
+        } else if (this.state.member) {
-            const panel = <RightPanel user={this.state.member.user} resizeNotifier={this.props.resizeNotifier} />;
+            const panel = <RightPanel member={this.state.member} resizeNotifier={this.props.resizeNotifier} />;
             return (<MainSplit panel={panel} resizeNotifier={this.props.resizeNotifier}>
                 <HomePage />
             </MainSplit>);

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/BaseDialog.tsx

@@ -18,15 +18,54 @@ limitations under the License.
 
 import React from 'react';
 import FocusLock from 'react-focus-lock';
-import PropTypes from 'prop-types';
 import classNames from 'classnames';
 
 import { Key } from '../../../Keyboard';
-import AccessibleButton from '../elements/AccessibleButton';
+import AccessibleButton, { ButtonEvent } from '../elements/AccessibleButton';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { _t } from "../../../languageHandler";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {
+    // Whether the dialog should have a 'close' button that will
+    // cause the dialog to be cancelled. This should only be set
+    // to false if there is nothing the app can sensibly do if the
+    // dialog is cancelled, eg. "We can't restore your session and
+    // the app cannot work". Default: true.
+    hasCancel?: boolean;
+
+    // called when a key is pressed
+    onKeyDown?: (e: KeyboardEvent | React.KeyboardEvent) => void;
+
+    // CSS class to apply to dialog div
+    className?: string;
+
+    // if true, dialog container is 60% of the viewport width. Otherwise,
+    // the container will have no fixed size, allowing its contents to
+    // determine its size. Default: true.
+    fixedWidth?: boolean;
+
+    // Title for the dialog.
+    title?: JSX.Element | string;
+
+    // Path to an icon to put in the header
+    headerImage?: string;
+
+    // children should be the content of the dialog
+    children?: React.ReactNode;
+
+    // Id of content element
+    // If provided, this is used to add a aria-describedby attribute
+    contentId?: string;
+
+    // optional additional class for the title element (basically anything that can be passed to classnames)
+    titleClass?: string | string[];
+
+    headerButton?: JSX.Element;
+}
 
 /*
  * Basic container for modal dialogs.
@@ -35,54 +74,10 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
  * dialog on escape.
  */
 @replaceableComponent("views.dialogs.BaseDialog")
-export default class BaseDialog extends React.Component {
+export default class BaseDialog extends React.Component<IProps> {
-    static propTypes = {
+    private matrixClient: MatrixClient;
-        // onFinished callback to call when Escape is pressed
-        // Take a boolean which is true if the dialog was dismissed
-        // with a positive / confirm action or false if it was
-        // cancelled (BaseDialog itself only calls this with false).
-        onFinished: PropTypes.func.isRequired,
 
-        // Whether the dialog should have a 'close' button that will
+    public static defaultProps = {
-        // cause the dialog to be cancelled. This should only be set
-        // to false if there is nothing the app can sensibly do if the
-        // dialog is cancelled, eg. "We can't restore your session and
-        // the app cannot work". Default: true.
-        hasCancel: PropTypes.bool,
-
-        // called when a key is pressed
-        onKeyDown: PropTypes.func,
-
-        // CSS class to apply to dialog div
-        className: PropTypes.string,
-
-        // if true, dialog container is 60% of the viewport width. Otherwise,
-        // the container will have no fixed size, allowing its contents to
-        // determine its size. Default: true.
-        fixedWidth: PropTypes.bool,
-
-        // Title for the dialog.
-        title: PropTypes.node.isRequired,
-
-        // Path to an icon to put in the header
-        headerImage: PropTypes.string,
-
-        // children should be the content of the dialog
-        children: PropTypes.node,
-
-        // Id of content element
-        // If provided, this is used to add a aria-describedby attribute
-        contentId: PropTypes.string,
-
-        // optional additional class for the title element (basically anything that can be passed to classnames)
-        titleClass: PropTypes.oneOfType([
-            PropTypes.string,
-            PropTypes.object,
-            PropTypes.arrayOf(PropTypes.string),
-        ]),
-    };
-
-    static defaultProps = {
         hasCancel: true,
         fixedWidth: true,
     };
@@ -90,10 +85,10 @@ export default class BaseDialog extends React.Component {
     constructor(props) {
         super(props);
 
-        this._matrixClient = MatrixClientPeg.get();
+        this.matrixClient = MatrixClientPeg.get();
     }
 
-    _onKeyDown = (e) => {
+    private onKeyDown = (e: KeyboardEvent | React.KeyboardEvent): void => {
         if (this.props.onKeyDown) {
             this.props.onKeyDown(e);
         }
@@ -104,15 +99,15 @@ export default class BaseDialog extends React.Component {
         }
     };
 
-    _onCancelClick = (e) => {
+    private onCancelClick = (e: ButtonEvent): void => {
         this.props.onFinished(false);
     };
 
-    render() {
+    public render(): JSX.Element {
         let cancelButton;
         if (this.props.hasCancel) {
             cancelButton = (
-                <AccessibleButton onClick={this._onCancelClick} className="mx_Dialog_cancelButton" aria-label={_t("Close dialog")} />
+                <AccessibleButton onClick={this.onCancelClick} className="mx_Dialog_cancelButton" aria-label={_t("Close dialog")} />
             );
         }
 
@@ -122,11 +117,11 @@ export default class BaseDialog extends React.Component {
         }
 
         return (
-            <MatrixClientContext.Provider value={this._matrixClient}>
+            <MatrixClientContext.Provider value={this.matrixClient}>
                 <FocusLock
                     returnFocus={true}
                     lockProps={{
-                        onKeyDown: this._onKeyDown,
+                        onKeyDown: this.onKeyDown,
                         role: "dialog",
                         ["aria-labelledby"]: "mx_BaseDialog_title",
                         // This should point to a node describing the dialog.

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 {
+interface IProps extends IDialogProps {}
-    onFinished: (success: boolean) => void;
-}
 
 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/FeedbackDialog.tsx

@@ -19,30 +19,33 @@ import QuestionDialog from './QuestionDialog';
 import { _t } from '../../../languageHandler';
 import Field from "../elements/Field";
 import AccessibleButton from "../elements/AccessibleButton";
-import CountlyAnalytics from "../../../CountlyAnalytics";
+import CountlyAnalytics, { Rating } from "../../../CountlyAnalytics";
 import SdkConfig from "../../../SdkConfig";
 import Modal from "../../../Modal";
 import BugReportDialog from "./BugReportDialog";
 import InfoDialog from "./InfoDialog";
 import StyledRadioGroup from "../elements/StyledRadioGroup";
+import { IDialogProps } from "./IDialogProps";
 
 const existingIssuesUrl = "https://github.com/vector-im/element-web/issues" +
     "?q=is%3Aopen+is%3Aissue+sort%3Areactions-%2B1-desc";
 const newIssueUrl = "https://github.com/vector-im/element-web/issues/new/choose";
 
-export default (props) => {
+interface IProps extends IDialogProps {}
-    const [rating, setRating] = useState("");
-    const [comment, setComment] = useState("");
 
-    const onDebugLogsLinkClick = () => {
+const FeedbackDialog: React.FC<IProps> = (props: IProps) => {
+    const [rating, setRating] = useState<Rating>();
+    const [comment, setComment] = useState<string>("");
+
+    const onDebugLogsLinkClick = (): void => {
         props.onFinished();
         Modal.createTrackedDialog('Bug Report Dialog', '', BugReportDialog, {});
     };
 
     const hasFeedback = CountlyAnalytics.instance.canEnable();
-    const onFinished = (sendFeedback) => {
+    const onFinished = (sendFeedback: boolean): void => {
         if (hasFeedback && sendFeedback) {
-            CountlyAnalytics.instance.reportFeedback(parseInt(rating, 10), comment);
+            CountlyAnalytics.instance.reportFeedback(rating, comment);
             Modal.createTrackedDialog('Feedback sent', '', InfoDialog, {
                 title: _t('Feedback sent'),
                 description: _t('Thank you!'),
@@ -65,8 +68,8 @@ export default (props) => {
 
                 <StyledRadioGroup
                     name="feedbackRating"
-                    value={rating}
+                    value={String(rating)}
-                    onChange={setRating}
+                    onChange={(r) => setRating(parseInt(r, 10) as Rating)}
                     definitions={[
                         { value: "1", label: "😠" },
                         { value: "2", label: "😞" },
@@ -138,7 +141,9 @@ export default (props) => {
             { countlyFeedbackSection }
         </React.Fragment>}
         button={hasFeedback ? _t("Send feedback") : _t("Go back")}
-        buttonDisabled={hasFeedback && rating === ""}
+        buttonDisabled={hasFeedback && !rating}
         onFinished={onFinished}
     />);
 };
+
+export default FeedbackDialog;

src/components/views/dialogs/IncomingSasDialog.tsx

@@ -15,12 +15,22 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromMxc } from "../../../customisations/Media";
+import VerificationComplete from "../verification/VerificationComplete";
+import VerificationCancelled from "../verification/VerificationCancelled";
+import BaseAvatar from "../avatars/BaseAvatar";
+import Spinner from "../elements/Spinner";
+import VerificationShowSas from "../verification/VerificationShowSas";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+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;
@@ -28,41 +38,56 @@ const PHASE_WAIT_FOR_PARTNER_TO_CONFIRM = 2;
 const PHASE_VERIFIED = 3;
 const PHASE_CANCELLED = 4;
 
-@replaceableComponent("views.dialogs.IncomingSasDialog")
+interface IProps extends IDialogProps {
-export default class IncomingSasDialog extends React.Component {
+    verifier: VerificationBase; // TODO types
-    static propTypes = {
+}
-        verifier: PropTypes.object.isRequired,
-    };
 
-    constructor(props) {
+interface IState {
+    phase: number;
+    sasVerified: boolean;
+    opponentProfile: {
+        // eslint-disable-next-line camelcase
+        avatar_url?: string;
+        displayname?: string;
+    };
+    opponentProfileError: Error;
+    sas: IGeneratedSas;
+}
+
+@replaceableComponent("views.dialogs.IncomingSasDialog")
+export default class IncomingSasDialog extends React.Component<IProps, IState> {
+    private showSasEvent: ISasEvent;
+
+    constructor(props: IProps) {
         super(props);
 
         let phase = PHASE_START;
-        if (this.props.verifier.cancelled) {
+        if (this.props.verifier.hasBeenCancelled) {
-            console.log("Verifier was cancelled in the background.");
+            logger.log("Verifier was cancelled in the background.");
             phase = PHASE_CANCELLED;
         }
 
-        this._showSasEvent = null;
+        this.showSasEvent = null;
         this.state = {
             phase: phase,
             sasVerified: false,
             opponentProfile: null,
             opponentProfileError: null,
+            sas: null,
         };
-        this.props.verifier.on('show_sas', this._onVerifierShowSas);
+        this.props.verifier.on('show_sas', this.onVerifierShowSas);
-        this.props.verifier.on('cancel', this._onVerifierCancel);
+        this.props.verifier.on('cancel', this.onVerifierCancel);
-        this._fetchOpponentProfile();
+        this.fetchOpponentProfile();
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
         if (this.state.phase !== PHASE_CANCELLED && this.state.phase !== PHASE_VERIFIED) {
-            this.props.verifier.cancel('User cancel');
+            this.props.verifier.cancel(new Error('User cancel'));
         }
-        this.props.verifier.removeListener('show_sas', this._onVerifierShowSas);
+        this.props.verifier.removeListener('show_sas', this.onVerifierShowSas);
     }
 
-    async _fetchOpponentProfile() {
+    private async fetchOpponentProfile(): Promise<void> {
         try {
             const prof = await MatrixClientPeg.get().getProfileInfo(
                 this.props.verifier.userId,
@@ -77,53 +102,49 @@ export default class IncomingSasDialog extends React.Component {
         }
     }
 
-    _onFinished = () => {
+    private onFinished = (): void => {
         this.props.onFinished(this.state.phase === PHASE_VERIFIED);
-    }
+    };
 
-    _onCancelClick = () => {
+    private onCancelClick = (): void => {
         this.props.onFinished(this.state.phase === PHASE_VERIFIED);
-    }
+    };
 
-    _onContinueClick = () => {
+    private onContinueClick = (): void => {
         this.setState({ phase: PHASE_WAIT_FOR_PARTNER_TO_CONFIRM });
         this.props.verifier.verify().then(() => {
             this.setState({ phase: PHASE_VERIFIED });
         }).catch((e) => {
-            console.log("Verification failed", e);
+            logger.log("Verification failed", e);
         });
-    }
+    };
 
-    _onVerifierShowSas = (e) => {
+    private onVerifierShowSas = (e: ISasEvent): void => {
-        this._showSasEvent = e;
+        this.showSasEvent = e;
         this.setState({
             phase: PHASE_SHOW_SAS,
             sas: e.sas,
         });
-    }
+    };
 
-    _onVerifierCancel = (e) => {
+    private onVerifierCancel = (): void => {
         this.setState({
             phase: PHASE_CANCELLED,
         });
-    }
+    };
 
-    _onSasMatchesClick = () => {
+    private onSasMatchesClick = (): void => {
-        this._showSasEvent.confirm();
+        this.showSasEvent.confirm();
         this.setState({
             phase: PHASE_WAIT_FOR_PARTNER_TO_CONFIRM,
         });
-    }
+    };
 
-    _onVerifiedDoneClick = () => {
+    private onVerifiedDoneClick = (): void => {
         this.props.onFinished(true);
-    }
+    };
-
-    _renderPhaseStart() {
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-        const Spinner = sdk.getComponent("views.elements.Spinner");
-        const BaseAvatar = sdk.getComponent("avatars.BaseAvatar");
 
+    private renderPhaseStart(): JSX.Element {
         const isSelf = this.props.verifier.userId === MatrixClientPeg.get().getUserId();
 
         let profile;
@@ -190,27 +211,24 @@ export default class IncomingSasDialog extends React.Component {
                 <DialogButtons
                     primaryButton={_t('Continue')}
                     hasCancel={true}
-                    onPrimaryButtonClick={this._onContinueClick}
+                    onPrimaryButtonClick={this.onContinueClick}
-                    onCancel={this._onCancelClick}
+                    onCancel={this.onCancelClick}
                 />
             </div>
         );
     }
 
-    _renderPhaseShowSas() {
+    private renderPhaseShowSas(): JSX.Element {
-        const VerificationShowSas = sdk.getComponent('views.verification.VerificationShowSas');
         return <VerificationShowSas
-            sas={this._showSasEvent.sas}
+            sas={this.showSasEvent.sas}
-            onCancel={this._onCancelClick}
+            onCancel={this.onCancelClick}
-            onDone={this._onSasMatchesClick}
+            onDone={this.onSasMatchesClick}
             isSelf={this.props.verifier.userId === MatrixClientPeg.get().getUserId()}
             inDialog={true}
         />;
     }
 
-    _renderPhaseWaitForPartnerToConfirm() {
+    private renderPhaseWaitForPartnerToConfirm(): JSX.Element {
-        const Spinner = sdk.getComponent("views.elements.Spinner");
-
         return (
             <div>
                 <Spinner />
@@ -219,41 +237,38 @@ export default class IncomingSasDialog extends React.Component {
         );
     }
 
-    _renderPhaseVerified() {
+    private renderPhaseVerified(): JSX.Element {
-        const VerificationComplete = sdk.getComponent('views.verification.VerificationComplete');
+        return <VerificationComplete onDone={this.onVerifiedDoneClick} />;
-        return <VerificationComplete onDone={this._onVerifiedDoneClick} />;
     }
 
-    _renderPhaseCancelled() {
+    private renderPhaseCancelled(): JSX.Element {
-        const VerificationCancelled = sdk.getComponent('views.verification.VerificationCancelled');
+        return <VerificationCancelled onDone={this.onCancelClick} />;
-        return <VerificationCancelled onDone={this._onCancelClick} />;
     }
 
-    render() {
+    public render(): JSX.Element {
         let body;
         switch (this.state.phase) {
             case PHASE_START:
-                body = this._renderPhaseStart();
+                body = this.renderPhaseStart();
                 break;
             case PHASE_SHOW_SAS:
-                body = this._renderPhaseShowSas();
+                body = this.renderPhaseShowSas();
                 break;
             case PHASE_WAIT_FOR_PARTNER_TO_CONFIRM:
-                body = this._renderPhaseWaitForPartnerToConfirm();
+                body = this.renderPhaseWaitForPartnerToConfirm();
                 break;
             case PHASE_VERIFIED:
-                body = this._renderPhaseVerified();
+                body = this.renderPhaseVerified();
                 break;
             case PHASE_CANCELLED:
-                body = this._renderPhaseCancelled();
+                body = this.renderPhaseCancelled();
                 break;
         }
 
-        const BaseDialog = sdk.getComponent("dialogs.BaseDialog");
         return (
             <BaseDialog
                 title={_t("Incoming Verification Request")}
-                onFinished={this._onFinished}
+                onFinished={this.onFinished}
                 fixedWidth={false}
             >
                 { body }

src/components/views/dialogs/IntegrationsDisabledDialog.tsx

@@ -15,32 +15,28 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../languageHandler";
-import * as sdk from "../../../index";
 import dis from '../../../dispatcher/dispatcher';
 import { Action } from "../../../dispatcher/actions";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {}
 
 @replaceableComponent("views.dialogs.IntegrationsDisabledDialog")
-export default class IntegrationsDisabledDialog extends React.Component {
+export default class IntegrationsDisabledDialog extends React.Component<IProps> {
-    static propTypes = {
+    private onAcknowledgeClick = (): void => {
-        onFinished: PropTypes.func.isRequired,
-    };
-
-    _onAcknowledgeClick = () => {
         this.props.onFinished();
     };
 
-    _onOpenSettingsClick = () => {
+    private onOpenSettingsClick = (): void => {
         this.props.onFinished();
         dis.fire(Action.ViewUserSettings);
     };
 
-    render() {
+    public render(): JSX.Element {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
         return (
             <BaseDialog
                 className='mx_IntegrationsDisabledDialog'
@@ -53,9 +49,9 @@ export default class IntegrationsDisabledDialog extends React.Component {
                 </div>
                 <DialogButtons
                     primaryButton={_t("Settings")}
-                    onPrimaryButtonClick={this._onOpenSettingsClick}
+                    onPrimaryButtonClick={this.onOpenSettingsClick}
                     cancelButton={_t("OK")}
-                    onCancel={this._onAcknowledgeClick}
+                    onCancel={this.onAcknowledgeClick}
                 />
             </BaseDialog>
         );

src/components/views/dialogs/IntegrationsImpossibleDialog.tsx

@@ -15,23 +15,21 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { _t } from "../../../languageHandler";
 import SdkConfig from "../../../SdkConfig";
 import * as sdk from "../../../index";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {}
 
 @replaceableComponent("views.dialogs.IntegrationsImpossibleDialog")
-export default class IntegrationsImpossibleDialog extends React.Component {
+export default class IntegrationsImpossibleDialog extends React.Component<IProps> {
-    static propTypes = {
+    private onAcknowledgeClick = (): void => {
-        onFinished: PropTypes.func.isRequired,
-    };
-
-    _onAcknowledgeClick = () => {
         this.props.onFinished();
     };
 
-    render() {
+    public render(): JSX.Element {
         const brand = SdkConfig.get().brand;
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
@@ -54,7 +52,7 @@ export default class IntegrationsImpossibleDialog extends React.Component {
                 </div>
                 <DialogButtons
                     primaryButton={_t("OK")}
-                    onPrimaryButtonClick={this._onAcknowledgeClick}
+                    onPrimaryButtonClick={this.onAcknowledgeClick}
                     hasCancel={false}
                 />
             </BaseDialog>

src/components/views/dialogs/InteractiveAuthDialog.tsx

@@ -17,38 +17,43 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 
 import AccessibleButton from '../elements/AccessibleButton';
-import { ERROR_USER_CANCELLED } from "../../structures/InteractiveAuth";
+import InteractiveAuth, { ERROR_USER_CANCELLED } from "../../structures/InteractiveAuth";
 import { SSOAuthEntry } from "../auth/InteractiveAuthEntryComponents";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import BaseDialog from "./BaseDialog";
+import { IAuthData } from "matrix-js-sdk/src/interactive-auth";
+import { IDialogProps } from "./IDialogProps";
 
-@replaceableComponent("views.dialogs.InteractiveAuthDialog")
+interface IDialogAesthetics {
-export default class InteractiveAuthDialog extends React.Component {
+    [x: string]: {
-    static propTypes = {
+        [x: number]: {
+            title: string;
+            body: string;
+            continueText: string;
+            continueKind: string;
+        };
+    };
+}
+
+interface IProps extends IDialogProps {
     // matrix client to use for UI auth requests
-        matrixClient: PropTypes.object.isRequired,
+    matrixClient: MatrixClient;
 
     // response from initial request. If not supplied, will do a request on
     // mount.
-        authData: PropTypes.shape({
+    authData?: IAuthData;
-            flows: PropTypes.array,
-            params: PropTypes.object,
-            session: PropTypes.string,
-        }),
 
     // callback
-        makeRequest: PropTypes.func.isRequired,
+    makeRequest: (auth: IAuthData) => Promise<IAuthData>;
-
-        onFinished: PropTypes.func.isRequired,
 
     // Optional title and body to show when not showing a particular stage
-        title: PropTypes.string,
+    title?: string;
-        body: PropTypes.string,
+    body?: string;
 
     // Optional title and body pairs for particular stages and phases within
     // those stages. Object structure/example is:
@@ -68,18 +73,32 @@ export default class InteractiveAuthDialog extends React.Component {
     // }
     //
     // Default is defined in _getDefaultDialogAesthetics()
-        aestheticsForStagePhases: PropTypes.object,
+    aestheticsForStagePhases?: IDialogAesthetics;
-    };
+}
 
-    state = {
+interface IState {
+    authError: Error;
+
+    // See _onUpdateStagePhase()
+    uiaStage: number | string;
+    uiaStagePhase: number | string;
+}
+
+@replaceableComponent("views.dialogs.InteractiveAuthDialog")
+export default class InteractiveAuthDialog extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
+        super(props);
+
+        this.state = {
             authError: null,
 
             // See _onUpdateStagePhase()
             uiaStage: null,
             uiaStagePhase: null,
         };
+    }
 
-    _getDefaultDialogAesthetics() {
+    private getDefaultDialogAesthetics(): IDialogAesthetics {
         const ssoAesthetics = {
             [SSOAuthEntry.PHASE_PREAUTH]: {
                 title: _t("Use Single Sign On to continue"),
@@ -101,7 +120,7 @@ export default class InteractiveAuthDialog extends React.Component {
         };
     }
 
-    _onAuthFinished = (success, result) => {
+    private onAuthFinished = (success: boolean, result: Error): void => {
         if (success) {
             this.props.onFinished(true, result);
         } else {
@@ -115,19 +134,16 @@ export default class InteractiveAuthDialog extends React.Component {
         }
     };
 
-    _onUpdateStagePhase = (newStage, newPhase) => {
+    private onUpdateStagePhase = (newStage: string | number, newPhase: string | number): void => {
         // We copy the stage and stage phase params into state for title selection in render()
         this.setState({ uiaStage: newStage, uiaStagePhase: newPhase });
     };
 
-    _onDismissClick = () => {
+    private onDismissClick = (): void => {
         this.props.onFinished(false);
     };
 
-    render() {
+    public render(): JSX.Element {
-        const InteractiveAuth = sdk.getComponent("structures.InteractiveAuth");
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-
         // Let's pick a title, body, and other params text that we'll show to the user. The order
         // is most specific first, so stagePhase > our props > defaults.
 
@@ -135,7 +151,7 @@ export default class InteractiveAuthDialog extends React.Component {
         let body = this.state.authError ? null : this.props.body;
         let continueText = null;
         let continueKind = null;
-        const dialogAesthetics = this.props.aestheticsForStagePhases || this._getDefaultDialogAesthetics();
+        const dialogAesthetics = this.props.aestheticsForStagePhases || this.getDefaultDialogAesthetics();
         if (!this.state.authError && dialogAesthetics) {
             if (dialogAesthetics[this.state.uiaStage]) {
                 const aesthetics = dialogAesthetics[this.state.uiaStage][this.state.uiaStagePhase];
@@ -152,9 +168,9 @@ export default class InteractiveAuthDialog extends React.Component {
                 <div id='mx_Dialog_content'>
                     <div role="alert">{ this.state.authError.message || this.state.authError.toString() }</div>
                     <br />
-                    <AccessibleButton onClick={this._onDismissClick}
+                    <AccessibleButton onClick={this.onDismissClick}
                         className="mx_GeneralButton"
-                        autoFocus="true"
+                        autoFocus={true}
                     >
                         { _t("Dismiss") }
                     </AccessibleButton>
@@ -165,12 +181,11 @@ export default class InteractiveAuthDialog extends React.Component {
                 <div id='mx_Dialog_content'>
                     { body }
                     <InteractiveAuth
-                        ref={this._collectInteractiveAuth}
                         matrixClient={this.props.matrixClient}
                         authData={this.props.authData}
                         makeRequest={this.props.makeRequest}
-                        onAuthFinished={this._onAuthFinished}
+                        onAuthFinished={this.onAuthFinished}
-                        onStagePhaseChange={this._onUpdateStagePhase}
+                        onStagePhaseChange={this.onUpdateStagePhase}
                         continueText={continueText}
                         continueKind={continueKind}
                     />

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/KeySignatureUploadFailedDialog.tsx

@@ -15,20 +15,29 @@ limitations under the License.
 */
 
 import React, { useState, useCallback, useRef } from 'react';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import SdkConfig from '../../../SdkConfig';
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import Spinner from "../elements/Spinner";
+import { IDialogProps } from "./IDialogProps";
 
-export default function KeySignatureUploadFailedDialog({
+interface IProps extends IDialogProps {
+    failures: Record<string, Record<string, {
+        errcode: string;
+        error: string;
+    }>>;
+    source: string;
+    continuation: () => void;
+}
+
+const KeySignatureUploadFailedDialog: React.FC<IProps> = ({
     failures,
     source,
     continuation,
     onFinished,
-}) {
+}) => {
     const RETRIES = 2;
-    const BaseDialog = sdk.getComponent('dialogs.BaseDialog');
-    const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-    const Spinner = sdk.getComponent('elements.Spinner');
     const [retry, setRetry] = useState(RETRIES);
     const [cancelled, setCancelled] = useState(false);
     const [retrying, setRetrying] = useState(false);
@@ -107,4 +116,6 @@ export default function KeySignatureUploadFailedDialog({
             { body }
         </BaseDialog>
     );
-}
+};
+
+export default KeySignatureUploadFailedDialog;

src/components/views/dialogs/LazyLoadingDisabledDialog.tsx

@@ -19,8 +19,13 @@ import React from 'react';
 import QuestionDialog from './QuestionDialog';
 import { _t } from '../../../languageHandler';
 import SdkConfig from '../../../SdkConfig';
+import { IDialogProps } from "./IDialogProps";
 
-export default (props) => {
+interface IProps extends IDialogProps {
+    host: string;
+}
+
+const LazyLoadingDisabledDialog: React.FC<IProps> = (props) => {
     const brand = SdkConfig.get().brand;
     const description1 = _t(
         "You've previously used %(brand)s on %(host)s with lazy loading of members enabled. " +
@@ -49,3 +54,5 @@ export default (props) => {
         onFinished={props.onFinished}
     />);
 };
+
+export default LazyLoadingDisabledDialog;

src/components/views/dialogs/LazyLoadingResyncDialog.tsx

@@ -19,8 +19,11 @@ import React from 'react';
 import QuestionDialog from './QuestionDialog';
 import { _t } from '../../../languageHandler';
 import SdkConfig from '../../../SdkConfig';
+import { IDialogProps } from "./IDialogProps";
 
-export default (props) => {
+interface IProps extends IDialogProps {}
+
+const LazyLoadingResyncDialog: React.FC<IProps> = (props) => {
     const brand = SdkConfig.get().brand;
     const description =
         _t(
@@ -38,3 +41,5 @@ export default (props) => {
         onFinished={props.onFinished}
     />);
 };
+
+export default LazyLoadingResyncDialog;

src/components/views/dialogs/LeaveSpaceDialog.tsx

@@ -66,11 +66,13 @@ 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 && (
@@ -79,9 +81,9 @@ const LeaveSpaceDialog: React.FC<IProps> = ({ space, onFinished }) => {
                     spaceChildren={spaceChildren}
                     selected={selectedRooms}
                     onChange={setRoomsToLeave}
-                    noneLabel={_t("Don't leave any")}
+                    noneLabel={_t("Don't leave any rooms")}
-                    allLabel={_t("Leave all rooms and spaces")}
+                    allLabel={_t("Leave all rooms")}
-                    specificLabel={_t("Leave specific rooms and spaces")}
+                    specificLabel={_t("Leave some rooms")}
                 />
             ) }
 

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/ManualDeviceKeyVerificationDialog.tsx

@@ -19,37 +19,31 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
-import * as sdk from '../../../index';
 import * as FormattingUtils from '../../../utils/FormattingUtils';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import QuestionDialog from "./QuestionDialog";
+import { DeviceInfo } from "matrix-js-sdk/src/crypto/deviceinfo";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {
+    userId: string;
+    device: DeviceInfo;
+}
 
 @replaceableComponent("views.dialogs.ManualDeviceKeyVerificationDialog")
-export default class ManualDeviceKeyVerificationDialog extends React.Component {
+export default class ManualDeviceKeyVerificationDialog extends React.Component<IProps> {
-    static propTypes = {
+    private onLegacyFinished = (confirm: boolean): void => {
-        userId: PropTypes.string.isRequired,
-        device: PropTypes.object.isRequired,
-        onFinished: PropTypes.func.isRequired,
-    };
-
-    _onCancelClick = () => {
-        this.props.onFinished(false);
-    }
-
-    _onLegacyFinished = (confirm) => {
         if (confirm) {
             MatrixClientPeg.get().setDeviceVerified(
                 this.props.userId, this.props.device.deviceId, true,
             );
         }
         this.props.onFinished(confirm);
-    }
+    };
-
-    render() {
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
 
+    public render(): JSX.Element {
         let text;
         if (MatrixClientPeg.get().getUserId() === this.props.userId) {
             text = _t("Confirm by comparing the following with the User Settings in your other session:");
@@ -81,7 +75,7 @@ export default class ManualDeviceKeyVerificationDialog extends React.Component {
                 title={_t("Verify session")}
                 description={body}
                 button={_t("Verify session")}
-                onFinished={this._onLegacyFinished}
+                onFinished={this.onLegacyFinished}
             />
         );
     }

src/components/views/dialogs/MessageEditHistoryDialog.tsx

@@ -15,21 +15,39 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { _t } from '../../../languageHandler';
-import * as sdk from "../../../index";
 import { wantsDateSeparator } from '../../../DateUtils';
 import SettingsStore from '../../../settings/SettingsStore';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import BaseDialog from "./BaseDialog";
+import ScrollPanel from "../../structures/ScrollPanel";
+import Spinner from "../elements/Spinner";
+import EditHistoryMessage from "../messages/EditHistoryMessage";
+import DateSeparator from "../messages/DateSeparator";
+import { IDialogProps } from "./IDialogProps";
+import { EventType, RelationType } from "matrix-js-sdk/src/@types/event";
+import { defer } from "matrix-js-sdk/src/utils";
+
+interface IProps extends IDialogProps {
+    mxEvent: MatrixEvent;
+}
+
+interface IState {
+    originalEvent: MatrixEvent;
+    error: {
+        errcode: string;
+    };
+    events: MatrixEvent[];
+    nextBatch: string;
+    isLoading: boolean;
+    isTwelveHour: boolean;
+}
 
 @replaceableComponent("views.dialogs.MessageEditHistoryDialog")
-export default class MessageEditHistoryDialog extends React.PureComponent {
+export default class MessageEditHistoryDialog extends React.PureComponent<IProps, IState> {
-    static propTypes = {
+    constructor(props: IProps) {
-        mxEvent: PropTypes.object.isRequired,
-    };
-
-    constructor(props) {
         super(props);
         this.state = {
             originalEvent: null,
@@ -41,7 +59,7 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
         };
     }
 
-    loadMoreEdits = async (backwards) => {
+    private loadMoreEdits = async (backwards?: boolean): Promise<boolean> => {
         if (backwards || (!this.state.nextBatch && !this.state.isLoading)) {
             // bail out on backwards as we only paginate in one direction
             return false;
@@ -50,13 +68,13 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
         const roomId = this.props.mxEvent.getRoomId();
         const eventId = this.props.mxEvent.getId();
         const client = MatrixClientPeg.get();
+
+        const { resolve, reject, promise } = defer<boolean>();
         let result;
-        let resolve;
+
-        let reject;
-        const promise = new Promise((_resolve, _reject) => {resolve = _resolve; reject = _reject;});
         try {
             result = await client.relations(
-                roomId, eventId, "m.replace", "m.room.message", opts);
+                roomId, eventId, RelationType.Replace, EventType.RoomMessage, opts);
         } catch (error) {
             // log if the server returned an error
             if (error.errcode) {
@@ -67,7 +85,7 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
         }
 
         const newEvents = result.events;
-        this._locallyRedactEventsIfNeeded(newEvents);
+        this.locallyRedactEventsIfNeeded(newEvents);
         this.setState({
             originalEvent: this.state.originalEvent || result.originalEvent,
             events: this.state.events.concat(newEvents),
@@ -78,9 +96,9 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
             resolve(hasMoreResults);
         });
         return promise;
-    }
+    };
 
-    _locallyRedactEventsIfNeeded(newEvents) {
+    private locallyRedactEventsIfNeeded(newEvents: MatrixEvent[]): void {
         const roomId = this.props.mxEvent.getRoomId();
         const client = MatrixClientPeg.get();
         const room = client.getRoom(roomId);
@@ -95,13 +113,11 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
         }
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.loadMoreEdits();
     }
 
-    _renderEdits() {
+    private renderEdits(): JSX.Element[] {
-        const EditHistoryMessage = sdk.getComponent('messages.EditHistoryMessage');
-        const DateSeparator = sdk.getComponent('messages.DateSeparator');
         const nodes = [];
         let lastEvent;
         let allEvents = this.state.events;
@@ -128,7 +144,7 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
         return nodes;
     }
 
-    render() {
+    public render(): JSX.Element {
         let content;
         if (this.state.error) {
             const { error } = this.state;
@@ -149,20 +165,17 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
                 </p>);
             }
         } else if (this.state.isLoading) {
-            const Spinner = sdk.getComponent("elements.Spinner");
             content = <Spinner />;
         } else {
-            const ScrollPanel = sdk.getComponent("structures.ScrollPanel");
             content = (<ScrollPanel
                 className="mx_MessageEditHistoryDialog_scrollPanel"
                 onFillRequest={this.loadMoreEdits}
                 stickyBottom={false}
                 startAtBottom={false}
             >
-                <ul className="mx_MessageEditHistoryDialog_edits">{ this._renderEdits() }</ul>
+                <ul className="mx_MessageEditHistoryDialog_edits">{ this.renderEdits() }</ul>
             </ScrollPanel>);
         }
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         return (
             <BaseDialog
                 className='mx_MessageEditHistoryDialog'

src/components/views/dialogs/QuestionDialog.tsx

@@ -16,29 +16,30 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import classNames from "classnames";
 
 import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
+import { IDialogProps } from "./IDialogProps";
 
-export default class QuestionDialog extends React.Component {
+interface IProps extends IDialogProps {
-    static propTypes = {
+    title?: string;
-        title: PropTypes.string,
+    description?: React.ReactNode;
-        description: PropTypes.node,
+    extraButtons?: React.ReactNode;
-        extraButtons: PropTypes.node,
+    button?: string;
-        button: PropTypes.string,
+    buttonDisabled?: boolean;
-        buttonDisabled: PropTypes.bool,
+    danger?: boolean;
-        danger: PropTypes.bool,
+    focus?: boolean;
-        focus: PropTypes.bool,
+    headerImage?: string;
-        onFinished: PropTypes.func.isRequired,
+    quitOnly?: boolean; // quitOnly doesn't show the cancel button just the quit [x].
-        headerImage: PropTypes.string,
+    fixedWidth?: boolean;
-        quitOnly: PropTypes.bool, // quitOnly doesn't show the cancel button just the quit [x].
+    className?: string;
-        fixedWidth: PropTypes.bool,
+    hasCancelButton?: boolean;
-        className: PropTypes.string,
+    cancelButton?: React.ReactNode;
-    };
+}
 
-    static defaultProps = {
+export default class QuestionDialog extends React.Component<IProps> {
+    public static defaultProps: Partial<IProps> = {
         title: "",
         description: "",
         extraButtons: null,
@@ -48,17 +49,19 @@ export default class QuestionDialog extends React.Component {
         quitOnly: false,
     };
 
-    onOk = () => {
+    private onOk = (): void => {
         this.props.onFinished(true);
     };
 
-    onCancel = () => {
+    private onCancel = (): void => {
         this.props.onFinished(false);
     };
 
-    render() {
+    public render(): JSX.Element {
+        // Converting these to imports breaks wrench tests
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
+
         let primaryButtonClass = "";
         if (this.props.danger) {
             primaryButtonClass = "danger";

src/components/views/dialogs/SessionRestoreErrorDialog.tsx

@@ -17,27 +17,27 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import SdkConfig from '../../../SdkConfig';
 import Modal from '../../../Modal';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import QuestionDialog from "./QuestionDialog";
+import BugReportDialog from "./BugReportDialog";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {
+    error: string;
+}
 
 @replaceableComponent("views.dialogs.SessionRestoreErrorDialog")
-export default class SessionRestoreErrorDialog extends React.Component {
+export default class SessionRestoreErrorDialog extends React.Component<IProps> {
-    static propTypes = {
+    private sendBugReport = (): void => {
-        error: PropTypes.string.isRequired,
-        onFinished: PropTypes.func.isRequired,
-    };
-
-    _sendBugReport = () => {
-        const BugReportDialog = sdk.getComponent("dialogs.BugReportDialog");
         Modal.createTrackedDialog('Session Restore Error', 'Send Bug Report Dialog', BugReportDialog, {});
     };
 
-    _onClearStorageClick = () => {
+    private onClearStorageClick = (): void => {
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
         Modal.createTrackedDialog('Session Restore Confirm Logout', '', QuestionDialog, {
             title: _t("Sign out"),
             description:
@@ -48,19 +48,17 @@ export default class SessionRestoreErrorDialog extends React.Component {
         });
     };
 
-    _onRefreshClick = () => {
+    private onRefreshClick = (): void => {
         // Is this likely to help? Probably not, but giving only one button
         // that clears your storage seems awful.
-        window.location.reload(true);
+        window.location.reload();
     };
 
-    render() {
+    public render(): JSX.Element {
         const brand = SdkConfig.get().brand;
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
 
         const clearStorageButton = (
-            <button onClick={this._onClearStorageClick} className="danger">
+            <button onClick={this.onClearStorageClick} className="danger">
                 { _t("Clear Storage and Sign Out") }
             </button>
         );
@@ -68,7 +66,7 @@ export default class SessionRestoreErrorDialog extends React.Component {
         let dialogButtons;
         if (SdkConfig.get().bug_report_endpoint_url) {
             dialogButtons = <DialogButtons primaryButton={_t("Send Logs")}
-                onPrimaryButtonClick={this._sendBugReport}
+                onPrimaryButtonClick={this.sendBugReport}
                 focus={true}
                 hasCancel={false}
             >
@@ -76,7 +74,7 @@ export default class SessionRestoreErrorDialog extends React.Component {
             </DialogButtons>;
         } else {
             dialogButtons = <DialogButtons primaryButton={_t("Refresh")}
-                onPrimaryButtonClick={this._onRefreshClick}
+                onPrimaryButtonClick={this.onRefreshClick}
                 focus={true}
                 hasCancel={false}
             >

src/components/views/dialogs/SetEmailDialog.tsx

@@ -16,13 +16,26 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import * as Email from '../../../email';
 import AddThreepid from '../../../AddThreepid';
 import { _t } from '../../../languageHandler';
 import Modal from '../../../Modal';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import Spinner from "../elements/Spinner";
+import ErrorDialog from "./ErrorDialog";
+import QuestionDialog from "./QuestionDialog";
+import BaseDialog from "./BaseDialog";
+import EditableText from "../elements/EditableText";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {
+    title: string;
+}
+
+interface IState {
+    emailAddress: string;
+    emailBusy: boolean;
+}
 
 /*
  * Prompt the user to set an email address.
@@ -30,26 +43,25 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
  * On success, `onFinished(true)` is called.
  */
 @replaceableComponent("views.dialogs.SetEmailDialog")
-export default class SetEmailDialog extends React.Component {
+export default class SetEmailDialog extends React.Component<IProps, IState> {
-    static propTypes = {
+    private addThreepid: AddThreepid;
-        onFinished: PropTypes.func.isRequired,
-    };
 
-    state = {
+    constructor(props: IProps) {
+        super(props);
+
+        this.state = {
             emailAddress: '',
             emailBusy: false,
         };
+    }
 
-    onEmailAddressChanged = value => {
+    private onEmailAddressChanged = (value: string): void => {
         this.setState({
             emailAddress: value,
         });
     };
 
-    onSubmit = () => {
+    private onSubmit = (): void => {
-        const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
-        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
-
         const emailAddress = this.state.emailAddress;
         if (!Email.looksValid(emailAddress)) {
             Modal.createTrackedDialog('Invalid Email Address', '', ErrorDialog, {
@@ -58,8 +70,8 @@ export default class SetEmailDialog extends React.Component {
             });
             return;
         }
-        this._addThreepid = new AddThreepid();
+        this.addThreepid = new AddThreepid();
-        this._addThreepid.addEmailAddress(emailAddress).then(() => {
+        this.addThreepid.addEmailAddress(emailAddress).then(() => {
             Modal.createTrackedDialog('Verification Pending', '', QuestionDialog, {
                 title: _t("Verification Pending"),
                 description: _t(
@@ -80,11 +92,11 @@ export default class SetEmailDialog extends React.Component {
         this.setState({ emailBusy: true });
     };
 
-    onCancelled = () => {
+    private onCancelled = (): void => {
         this.props.onFinished(false);
     };
 
-    onEmailDialogFinished = ok => {
+    private onEmailDialogFinished = (ok: boolean): void => {
         if (ok) {
             this.verifyEmailAddress();
         } else {
@@ -92,13 +104,12 @@ export default class SetEmailDialog extends React.Component {
         }
     };
 
-    verifyEmailAddress() {
+    private verifyEmailAddress(): void {
-        this._addThreepid.checkEmailLinkClicked().then(() => {
+        this.addThreepid.checkEmailLinkClicked().then(() => {
             this.props.onFinished(true);
         }, (err) => {
             this.setState({ emailBusy: false });
             if (err.errcode == 'M_THREEPID_AUTH_FAILED') {
-                const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
                 const message = _t("Unable to verify email address.") + " " +
                     _t("Please check your email and click on the link it contains. Once this is done, click continue.");
                 Modal.createTrackedDialog('Verification Pending', '3pid Auth Failed', QuestionDialog, {
@@ -108,7 +119,6 @@ export default class SetEmailDialog extends React.Component {
                     onFinished: this.onEmailDialogFinished,
                 });
             } else {
-                const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
                 console.error("Unable to verify email address: " + err);
                 Modal.createTrackedDialog('Unable to verify email address', '', ErrorDialog, {
                     title: _t("Unable to verify email address."),
@@ -118,15 +128,10 @@ export default class SetEmailDialog extends React.Component {
         });
     }
 
-    render() {
+    public render(): JSX.Element {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const Spinner = sdk.getComponent('elements.Spinner');
-        const EditableText = sdk.getComponent('elements.EditableText');
-
         const emailInput = this.state.emailBusy ? <Spinner /> : <EditableText
             initialValue={this.state.emailAddress}
             className="mx_SetEmailDialog_email_input"
-            autoFocus="true"
             placeholder={_t("Email address")}
             placeholderClassName="mx_SetEmailDialog_email_input_placeholder"
             blurToCancel={false}

src/components/views/dialogs/SlashCommandHelpDialog.tsx

@@ -17,11 +17,12 @@ limitations under the License.
 import React from 'react';
 import { _t } from "../../../languageHandler";
 import { CommandCategories, Commands } from "../../../SlashCommands";
-import * as sdk from "../../../index";
+import { IDialogProps } from "./IDialogProps";
+import InfoDialog from "./InfoDialog";
 
-export default ({ onFinished }) => {
+interface IProps extends IDialogProps {}
-    const InfoDialog = sdk.getComponent('dialogs.InfoDialog');
 
+const SlashCommandHelpDialog: React.FC<IProps> = ({ onFinished }) => {
     const categories = {};
     Commands.forEach(cmd => {
         if (!cmd.isEnabled()) return;
@@ -62,3 +63,5 @@ export default ({ onFinished }) => {
         hasCloseButton={true}
         onFinished={onFinished} />;
 };
+
+export default SlashCommandHelpDialog;

src/components/views/dialogs/StorageEvictedDialog.tsx

@@ -15,40 +15,36 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import SdkConfig from '../../../SdkConfig';
 import Modal from '../../../Modal';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import BugReportDialog from "./BugReportDialog";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps { }
 
 @replaceableComponent("views.dialogs.StorageEvictedDialog")
-export default class StorageEvictedDialog extends React.Component {
+export default class StorageEvictedDialog extends React.Component<IProps> {
-    static propTypes = {
+    private sendBugReport = (ev: React.MouseEvent): void => {
-        onFinished: PropTypes.func.isRequired,
-    };
-
-    _sendBugReport = ev => {
         ev.preventDefault();
-        const BugReportDialog = sdk.getComponent("dialogs.BugReportDialog");
         Modal.createTrackedDialog('Storage evicted', 'Send Bug Report Dialog', BugReportDialog, {});
     };
 
-    _onSignOutClick = () => {
+    private onSignOutClick = (): void => {
         this.props.onFinished(true);
     };
 
-    render() {
+    public render(): JSX.Element {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-
         let logRequest;
         if (SdkConfig.get().bug_report_endpoint_url) {
             logRequest = _t(
                 "To help us prevent this in future, please <a>send us logs</a>.",
                 {},
                 {
-                    a: text => <a href="#" onClick={this._sendBugReport}>{ text }</a>,
+                    a: text => <a href="#" onClick={this.sendBugReport}>{ text }</a>,
                 },
             );
         }
@@ -73,7 +69,7 @@ export default class StorageEvictedDialog extends React.Component {
                     ) } { logRequest }</p>
                 </div>
                 <DialogButtons primaryButton={_t("Sign out")}
-                    onPrimaryButtonClick={this._onSignOutClick}
+                    onPrimaryButtonClick={this.onSignOutClick}
                     focus={true}
                     hasCancel={false}
                 />

src/components/views/dialogs/TabbedIntegrationManagerDialog.tsx

@@ -15,42 +15,47 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { IntegrationManagers } from "../../../integrations/IntegrationManagers";
 import { Room } from "matrix-js-sdk/src/models/room";
-import * as sdk from '../../../index';
 import { dialogTermsInteractionCallback, TermsNotSignedError } from "../../../Terms";
 import classNames from 'classnames';
 import * as ScalarMessaging from "../../../ScalarMessaging";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { IntegrationManagerInstance } from "../../../integrations/IntegrationManagerInstance";
+import ScalarAuthClient from "../../../ScalarAuthClient";
+import AccessibleButton from "../elements/AccessibleButton";
+import IntegrationManager from "../settings/IntegrationManager";
+import { IDialogProps } from "./IDialogProps";
 
-@replaceableComponent("views.dialogs.TabbedIntegrationManagerDialog")
+interface IProps extends IDialogProps {
-export default class TabbedIntegrationManagerDialog extends React.Component {
-    static propTypes = {
-        /**
-         * Called with:
-         *     * success {bool} True if the user accepted any douments, false if cancelled
-         *     * agreedUrls {string[]} List of agreed URLs
-         */
-        onFinished: PropTypes.func.isRequired,
-
     /**
      * Optional room where the integration manager should be open to
      */
-        room: PropTypes.instanceOf(Room),
+    room?: Room;
 
     /**
      * Optional screen to open on the integration manager
      */
-        screen: PropTypes.string,
+    screen?: string;
 
     /**
      * Optional integration ID to open in the integration manager
      */
-        integrationId: PropTypes.string,
+    integrationId?: string;
-    };
+}
 
-    constructor(props) {
+interface IState {
+    managers: IntegrationManagerInstance[];
+    busy: boolean;
+    currentIndex: number;
+    currentConnected: boolean;
+    currentLoading: boolean;
+    currentScalarClient: ScalarAuthClient;
+}
+
+@replaceableComponent("views.dialogs.TabbedIntegrationManagerDialog")
+export default class TabbedIntegrationManagerDialog extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
         super(props);
 
         this.state = {
@@ -63,11 +68,11 @@ export default class TabbedIntegrationManagerDialog extends React.Component {
         };
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.openManager(0, true);
     }
 
-    openManager = async (i, force = false) => {
+    private openManager = async (i: number, force = false): Promise<void> => {
         if (i === this.state.currentIndex && !force) return;
 
         const manager = this.state.managers[i];
@@ -120,8 +125,7 @@ export default class TabbedIntegrationManagerDialog extends React.Component {
         }
     };
 
-    _renderTabs() {
+    private renderTabs(): JSX.Element[] {
-        const AccessibleButton = sdk.getComponent("views.elements.AccessibleButton");
         return this.state.managers.map((m, i) => {
             const classes = classNames({
                 'mx_TabbedIntegrationManagerDialog_tab': true,
@@ -140,8 +144,7 @@ export default class TabbedIntegrationManagerDialog extends React.Component {
         });
     }
 
-    _renderTab() {
+    public renderTab(): JSX.Element {
-        const IntegrationManager = sdk.getComponent("views.settings.IntegrationManager");
         let uiUrl = null;
         if (this.state.currentScalarClient) {
             uiUrl = this.state.currentScalarClient.getScalarInterfaceUrlForRoom(
@@ -151,7 +154,6 @@ export default class TabbedIntegrationManagerDialog extends React.Component {
             );
         }
         return <IntegrationManager
-            configured={true}
             loading={this.state.currentLoading}
             connected={this.state.currentConnected}
             url={uiUrl}
@@ -159,14 +161,14 @@ export default class TabbedIntegrationManagerDialog extends React.Component {
         />;
     }
 
-    render() {
+    public render(): JSX.Element {
         return (
             <div className='mx_TabbedIntegrationManagerDialog_container'>
                 <div className='mx_TabbedIntegrationManagerDialog_tabs'>
-                    { this._renderTabs() }
+                    { this.renderTabs() }
                 </div>
                 <div className='mx_TabbedIntegrationManagerDialog_currentManager'>
-                    { this._renderTab() }
+                    { this.renderTab() }
                 </div>
             </div>
         );

src/components/views/dialogs/TextInputDialog.tsx

@@ -14,33 +14,39 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { createRef } from 'react';
+import React, { ChangeEvent, createRef } from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import Field from "../elements/Field";
 import { _t, _td } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { IFieldState, IValidationResult } from "../elements/Validation";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {
+    title?: string;
+    description?: React.ReactNode;
+    value?: string;
+    placeholder?: string;
+    button?: string;
+    busyMessage?: string; // pass _td string
+    focus?: boolean;
+    hasCancel?: boolean;
+    validator?: (fieldState: IFieldState) => IValidationResult; // result of withValidation
+    fixedWidth?: boolean;
+}
+
+interface IState {
+    value: string;
+    busy: boolean;
+    valid: boolean;
+}
 
 @replaceableComponent("views.dialogs.TextInputDialog")
-export default class TextInputDialog extends React.Component {
+export default class TextInputDialog extends React.Component<IProps, IState> {
-    static propTypes = {
+    private field = createRef<Field>();
-        title: PropTypes.string,
-        description: PropTypes.oneOfType([
-            PropTypes.element,
-            PropTypes.string,
-        ]),
-        value: PropTypes.string,
-        placeholder: PropTypes.string,
-        button: PropTypes.string,
-        busyMessage: PropTypes.string, // pass _td string
-        focus: PropTypes.bool,
-        onFinished: PropTypes.func.isRequired,
-        hasCancel: PropTypes.bool,
-        validator: PropTypes.func, // result of withValidation
-        fixedWidth: PropTypes.bool,
-    };
 
-    static defaultProps = {
+    public static defaultProps = {
         title: "",
         value: "",
         description: "",
@@ -49,11 +55,9 @@ export default class TextInputDialog extends React.Component {
         hasCancel: true,
     };
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
 
-        this._field = createRef();
-
         this.state = {
             value: this.props.value,
             busy: false,
@@ -61,23 +65,23 @@ export default class TextInputDialog extends React.Component {
         };
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         if (this.props.focus) {
             // Set the cursor at the end of the text input
             // this._field.current.value = this.props.value;
-            this._field.current.focus();
+            this.field.current.focus();
         }
     }
 
-    onOk = async ev => {
+    private onOk = async (ev: React.FormEvent): Promise<void> => {
         ev.preventDefault();
         if (this.props.validator) {
             this.setState({ busy: true });
-            await this._field.current.validate({ allowEmpty: false });
+            await this.field.current.validate({ allowEmpty: false });
 
-            if (!this._field.current.state.valid) {
+            if (!this.field.current.state.valid) {
-                this._field.current.focus();
+                this.field.current.focus();
-                this._field.current.validate({ allowEmpty: false, focused: true });
+                this.field.current.validate({ allowEmpty: false, focused: true });
                 this.setState({ busy: false });
                 return;
             }
@@ -85,17 +89,17 @@ export default class TextInputDialog extends React.Component {
         this.props.onFinished(true, this.state.value);
     };
 
-    onCancel = () => {
+    private onCancel = (): void => {
         this.props.onFinished(false);
     };
 
-    onChange = ev => {
+    private onChange = (ev: ChangeEvent<HTMLInputElement>): void => {
         this.setState({
             value: ev.target.value,
         });
     };
 
-    onValidate = async fieldState => {
+    private onValidate = async (fieldState: IFieldState): Promise<IValidationResult> => {
         const result = await this.props.validator(fieldState);
         this.setState({
             valid: result.valid,
@@ -103,9 +107,7 @@ export default class TextInputDialog extends React.Component {
         return result;
     };
 
-    render() {
+    public render(): JSX.Element {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
         return (
             <BaseDialog
                 className="mx_TextInputDialog"
@@ -121,13 +123,12 @@ export default class TextInputDialog extends React.Component {
                         <div>
                             <Field
                                 className="mx_TextInputDialog_input"
-                                ref={this._field}
+                                ref={this.field}
                                 type="text"
                                 label={this.props.placeholder}
                                 value={this.state.value}
                                 onChange={this.onChange}
                                 onValidate={this.props.validator ? this.onValidate : undefined}
-                                size="64"
                             />
                         </div>
                     </div>

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/UploadFailureDialog.tsx

@@ -17,11 +17,18 @@ limitations under the License.
 import filesize from 'filesize';
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
 import ContentMessages from '../../../ContentMessages';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import BaseDialog from "./BaseDialog";
+import DialogButtons from "../elements/DialogButtons";
+import { IDialogProps } from "./IDialogProps";
+
+interface IProps extends IDialogProps {
+    badFiles: File[];
+    totalFiles: number;
+    contentMessages: ContentMessages;
+}
 
 /*
  * Tells the user about files we know cannot be uploaded before we even try uploading
@@ -29,26 +36,16 @@ import { replaceableComponent } from "../../../utils/replaceableComponent";
  * the size of the file.
  */
 @replaceableComponent("views.dialogs.UploadFailureDialog")
-export default class UploadFailureDialog extends React.Component {
+export default class UploadFailureDialog extends React.Component<IProps> {
-    static propTypes = {
+    private onCancelClick = (): void => {
-        badFiles: PropTypes.arrayOf(PropTypes.object).isRequired,
-        totalFiles: PropTypes.number.isRequired,
-        contentMessages: PropTypes.instanceOf(ContentMessages).isRequired,
-        onFinished: PropTypes.func.isRequired,
-    }
-
-    _onCancelClick = () => {
         this.props.onFinished(false);
-    }
+    };
 
-    _onUploadClick = () => {
+    private onUploadClick = (): void => {
         this.props.onFinished(true);
-    }
+    };
-
-    render() {
-        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
-        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
 
+    public render(): JSX.Element {
         let message;
         let preview;
         let buttons;
@@ -65,7 +62,7 @@ export default class UploadFailureDialog extends React.Component {
             );
             buttons = <DialogButtons primaryButton={_t('OK')}
                 hasCancel={false}
-                onPrimaryButtonClick={this._onCancelClick}
+                onPrimaryButtonClick={this.onCancelClick}
                 focus={true}
             />;
         } else if (this.props.totalFiles === this.props.badFiles.length) {
@@ -80,7 +77,7 @@ export default class UploadFailureDialog extends React.Component {
             );
             buttons = <DialogButtons primaryButton={_t('OK')}
                 hasCancel={false}
-                onPrimaryButtonClick={this._onCancelClick}
+                onPrimaryButtonClick={this.onCancelClick}
                 focus={true}
             />;
         } else {
@@ -96,17 +93,17 @@ export default class UploadFailureDialog extends React.Component {
             const howManyOthers = this.props.totalFiles - this.props.badFiles.length;
             buttons = <DialogButtons
                 primaryButton={_t('Upload %(count)s other files', { count: howManyOthers })}
-                onPrimaryButtonClick={this._onUploadClick}
+                onPrimaryButtonClick={this.onUploadClick}
                 hasCancel={true}
                 cancelButton={_t("Cancel All")}
-                onCancel={this._onCancelClick}
+                onCancel={this.onCancelClick}
                 focus={true}
             />;
         }
 
         return (
             <BaseDialog className='mx_UploadFailureDialog'
-                onFinished={this._onCancelClick}
+                onFinished={this.onCancelClick}
                 title={_t("Upload Error")}
                 contentId='mx_Dialog_content'
             >

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 {
+interface IProps extends IDialogProps {
-    onFinished: (success: boolean) => void;
     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;
@@ -45,17 +47,17 @@ export default class WidgetOpenIDPermissionsDialog extends React.PureComponent<I
         };
     }
 
-    private onAllow = () => {
+    private onAllow = (): void => {
         this.onPermissionSelection(true);
     };
 
-    private onDeny = () => {
+    private onDeny = (): void => {
         this.onPermissionSelection(false);
     };
 
-    private onPermissionSelection(allowed: boolean) {
+    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,
@@ -66,11 +68,11 @@ export default class WidgetOpenIDPermissionsDialog extends React.PureComponent<I
         this.props.onFinished(allowed);
     }
 
-    private onRememberSelectionChange = (newVal: boolean) => {
+    private onRememberSelectionChange = (newVal: boolean): void => {
         this.setState({ rememberSelection: newVal });
     };
 
-    public render() {
+    public render(): JSX.Element {
         return (
             <BaseDialog
                 className='mx_WidgetOpenIDPermissionsDialog'

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

@@ -16,30 +16,64 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../../index';
 import { MatrixClientPeg } from '../../../../MatrixClientPeg';
 import { MatrixClient } from 'matrix-js-sdk/src/client';
 import { _t } from '../../../../languageHandler';
 import { accessSecretStorage } from '../../../../SecurityManager';
+import { IKeyBackupInfo, IKeyBackupRestoreResult } from "matrix-js-sdk/src/crypto/keybackup";
+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";
 
-const RESTORE_TYPE_PASSPHRASE = 0;
+enum RestoreType {
-const RESTORE_TYPE_RECOVERYKEY = 1;
+    Passphrase = "passphrase",
-const RESTORE_TYPE_SECRET_STORAGE = 2;
+    RecoveryKey = "recovery_key",
+    SecretStorage = "secret_storage"
+}
+
+enum ProgressState {
+    PreFetch = "prefetch",
+    Fetch = "fetch",
+    LoadKeys = "load_keys",
+
+}
+
+interface IProps extends IDialogProps {
+    // if false, will close the dialog as soon as the restore completes succesfully
+    // default: true
+    showSummary?: boolean;
+    // If specified, gather the key from the user but then call the function with the backup
+    // key rather than actually (necessarily) restoring the backup.
+    keyCallback?: (key: Uint8Array) => void;
+}
+
+interface IState {
+    backupInfo: IKeyBackupInfo;
+    backupKeyStored: Record<string, ISecretStorageKeyInfo>;
+    loading: boolean;
+    loadError: string;
+    restoreError: {
+        errcode: string;
+    };
+    recoveryKey: string;
+    recoverInfo: IKeyBackupRestoreResult;
+    recoveryKeyValid: boolean;
+    forceRecoveryKey: boolean;
+    passPhrase: string;
+    restoreType: RestoreType;
+    progress: {
+        stage: ProgressState;
+        total?: number;
+        successes?: number;
+        failures?: number;
+    };
+}
 
 /*
  * Dialog for restoring e2e keys from a backup and the user's recovery key
  */
-export default class RestoreKeyBackupDialog extends React.PureComponent {
+export default class RestoreKeyBackupDialog extends React.PureComponent<IProps, IState> {
-    static propTypes = {
-        // if false, will close the dialog as soon as the restore completes succesfully
-        // default: true
-        showSummary: PropTypes.bool,
-        // If specified, gather the key from the user but then call the function with the backup
-        // key rather than actually (necessarily) restoring the backup.
-        keyCallback: PropTypes.func,
-    };
-
     static defaultProps = {
         showSummary: true,
     };
@@ -58,58 +92,58 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
             forceRecoveryKey: false,
             passPhrase: '',
             restoreType: null,
-            progress: { stage: "prefetch" },
+            progress: { stage: ProgressState.PreFetch },
         };
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
-        this._loadBackupStatus();
+        this.loadBackupStatus();
     }
 
-    _onCancel = () => {
+    private onCancel = (): void => {
         this.props.onFinished(false);
-    }
+    };
 
-    _onDone = () => {
+    private onDone = (): void => {
         this.props.onFinished(true);
-    }
+    };
 
-    _onUseRecoveryKeyClick = () => {
+    private onUseRecoveryKeyClick = (): void => {
         this.setState({
             forceRecoveryKey: true,
         });
-    }
+    };
 
-    _progressCallback = (data) => {
+    private progressCallback = (data): void => {
         this.setState({
             progress: data,
         });
-    }
+    };
 
-    _onResetRecoveryClick = () => {
+    private onResetRecoveryClick = (): void => {
         this.props.onFinished(false);
-        accessSecretStorage(() => {}, /* forceReset = */ true);
+        accessSecretStorage(async () => {}, /* forceReset = */ true);
-    }
+    };
 
-    _onRecoveryKeyChange = (e) => {
+    private onRecoveryKeyChange = (e): void => {
         this.setState({
             recoveryKey: e.target.value,
             recoveryKeyValid: MatrixClientPeg.get().isValidRecoveryKey(e.target.value),
         });
-    }
+    };
 
-    _onPassPhraseNext = async () => {
+    private onPassPhraseNext = async (): Promise<void> => {
         this.setState({
             loading: true,
             restoreError: null,
-            restoreType: RESTORE_TYPE_PASSPHRASE,
+            restoreType: RestoreType.Passphrase,
         });
         try {
             // We do still restore the key backup: we must ensure that the key backup key
             // is the right one and restoring it is currently the only way we can do this.
             const recoverInfo = await MatrixClientPeg.get().restoreKeyBackupWithPassword(
                 this.state.passPhrase, undefined, undefined, this.state.backupInfo,
-                { progressCallback: this._progressCallback },
+                { progressCallback: this.progressCallback },
             );
             if (this.props.keyCallback) {
                 const key = await MatrixClientPeg.get().keyBackupKeyFromPassword(
@@ -127,26 +161,26 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 recoverInfo,
             });
         } catch (e) {
-            console.log("Error restoring backup", e);
+            logger.log("Error restoring backup", e);
             this.setState({
                 loading: false,
                 restoreError: e,
             });
         }
-    }
+    };
 
-    _onRecoveryKeyNext = async () => {
+    private onRecoveryKeyNext = async (): Promise<void> => {
         if (!this.state.recoveryKeyValid) return;
 
         this.setState({
             loading: true,
             restoreError: null,
-            restoreType: RESTORE_TYPE_RECOVERYKEY,
+            restoreType: RestoreType.RecoveryKey,
         });
         try {
             const recoverInfo = await MatrixClientPeg.get().restoreKeyBackupWithRecoveryKey(
                 this.state.recoveryKey, undefined, undefined, this.state.backupInfo,
-                { progressCallback: this._progressCallback },
+                { progressCallback: this.progressCallback },
             );
             if (this.props.keyCallback) {
                 const key = MatrixClientPeg.get().keyBackupKeyFromRecoveryKey(this.state.recoveryKey);
@@ -161,40 +195,39 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 recoverInfo,
             });
         } catch (e) {
-            console.log("Error restoring backup", e);
+            logger.log("Error restoring backup", e);
             this.setState({
                 loading: false,
                 restoreError: e,
             });
         }
-    }
+    };
 
-    _onPassPhraseChange = (e) => {
+    private onPassPhraseChange = (e): void => {
         this.setState({
             passPhrase: e.target.value,
         });
-    }
+    };
 
-    async _restoreWithSecretStorage() {
+    private async restoreWithSecretStorage(): Promise<void> {
         this.setState({
             loading: true,
             restoreError: null,
-            restoreType: RESTORE_TYPE_SECRET_STORAGE,
+            restoreType: RestoreType.SecretStorage,
         });
         try {
             // `accessSecretStorage` may prompt for storage access as needed.
-            const recoverInfo = await accessSecretStorage(async () => {
+            await accessSecretStorage(async () => {
-                return MatrixClientPeg.get().restoreKeyBackupWithSecretStorage(
+                await MatrixClientPeg.get().restoreKeyBackupWithSecretStorage(
                     this.state.backupInfo, undefined, undefined,
-                    { progressCallback: this._progressCallback },
+                    { progressCallback: this.progressCallback },
                 );
             });
             this.setState({
                 loading: false,
-                recoverInfo,
             });
         } catch (e) {
-            console.log("Error restoring backup", e);
+            logger.log("Error restoring backup", e);
             this.setState({
                 restoreError: e,
                 loading: false,
@@ -202,26 +235,26 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
         }
     }
 
-    async _restoreWithCachedKey(backupInfo) {
+    private async restoreWithCachedKey(backupInfo): Promise<boolean> {
         if (!backupInfo) return false;
         try {
             const recoverInfo = await MatrixClientPeg.get().restoreKeyBackupWithCache(
                 undefined, /* targetRoomId */
                 undefined, /* targetSessionId */
                 backupInfo,
-                { progressCallback: this._progressCallback },
+                { progressCallback: this.progressCallback },
             );
             this.setState({
                 recoverInfo,
             });
             return true;
         } catch (e) {
-            console.log("restoreWithCachedKey failed:", e);
+            logger.log("restoreWithCachedKey failed:", e);
             return false;
         }
     }
 
-    async _loadBackupStatus() {
+    private async loadBackupStatus(): Promise<void> {
         this.setState({
             loading: true,
             loadError: null,
@@ -230,15 +263,15 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
             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,
             });
 
-            const gotCache = await this._restoreWithCachedKey(backupInfo);
+            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,
                 });
@@ -247,7 +280,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
 
             // If the backup key is stored, we can proceed directly to restore.
             if (backupKeyStored) {
-                return this._restoreWithSecretStorage();
+                return this.restoreWithSecretStorage();
             }
 
             this.setState({
@@ -255,7 +288,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 loading: false,
             });
         } catch (e) {
-            console.log("Error loading backup status", e);
+            logger.log("Error loading backup status", e);
             this.setState({
                 loadError: e,
                 loading: false,
@@ -263,7 +296,10 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
         }
     }
 
-    render() {
+    public render(): JSX.Element {
+        // FIXME: Making these into imports will break tests
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         const Spinner = sdk.getComponent("elements.Spinner");
 
@@ -279,12 +315,12 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
         if (this.state.loading) {
             title = _t("Restoring keys from backup");
             let details;
-            if (this.state.progress.stage === "fetch") {
+            if (this.state.progress.stage === ProgressState.Fetch) {
                 details = _t("Fetching keys from server...");
-            } else if (this.state.progress.stage === "load_keys") {
+            } else if (this.state.progress.stage === ProgressState.LoadKeys) {
                 const { total, successes, failures } = this.state.progress;
                 details = _t("%(completed)s of %(total)s keys restored", { total, completed: successes + failures });
-            } else if (this.state.progress.stage === "prefetch") {
+            } else if (this.state.progress.stage === ProgressState.PreFetch) {
                 details = _t("Fetching keys from server...");
             }
             content = <div>
@@ -296,7 +332,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
             content = _t("Unable to load backup status");
         } else if (this.state.restoreError) {
             if (this.state.restoreError.errcode === MatrixClient.RESTORE_BACKUP_ERROR_BAD_KEY) {
-                if (this.state.restoreType === RESTORE_TYPE_RECOVERYKEY) {
+                if (this.state.restoreType === RestoreType.RecoveryKey) {
                     title = _t("Security Key mismatch");
                     content = <div>
                         <p>{ _t(
@@ -321,7 +357,6 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
             title = _t("Error");
             content = _t("No backup found!");
         } else if (this.state.recoverInfo) {
-            const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
             title = _t("Keys restored");
             let failedToDecrypt;
             if (this.state.recoverInfo.total > this.state.recoverInfo.imported) {
@@ -334,14 +369,12 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 <p>{ _t("Successfully restored %(sessionCount)s keys", { sessionCount: this.state.recoverInfo.imported }) }</p>
                 { failedToDecrypt }
                 <DialogButtons primaryButton={_t('OK')}
-                    onPrimaryButtonClick={this._onDone}
+                    onPrimaryButtonClick={this.onDone}
                     hasCancel={false}
                     focus={true}
                 />
             </div>;
         } else if (backupHasPassphrase && !this.state.forceRecoveryKey) {
-            const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-            const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
             title = _t("Enter Security Phrase");
             content = <div>
                 <p>{ _t(
@@ -357,16 +390,16 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                 <form className="mx_RestoreKeyBackupDialog_primaryContainer">
                     <input type="password"
                         className="mx_RestoreKeyBackupDialog_passPhraseInput"
-                        onChange={this._onPassPhraseChange}
+                        onChange={this.onPassPhraseChange}
                         value={this.state.passPhrase}
                         autoFocus={true}
                     />
                     <DialogButtons
                         primaryButton={_t('Next')}
-                        onPrimaryButtonClick={this._onPassPhraseNext}
+                        onPrimaryButtonClick={this.onPassPhraseNext}
                         primaryIsSubmit={true}
                         hasCancel={true}
-                        onCancel={this._onCancel}
+                        onCancel={this.onCancel}
                         focus={false}
                     />
                 </form>
@@ -379,14 +412,14 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                         button1: s => <AccessibleButton
                             className="mx_linkButton"
                             element="span"
-                            onClick={this._onUseRecoveryKeyClick}
+                            onClick={this.onUseRecoveryKeyClick}
                         >
                             { s }
                         </AccessibleButton>,
                         button2: s => <AccessibleButton
                             className="mx_linkButton"
                             element="span"
-                            onClick={this._onResetRecoveryClick}
+                            onClick={this.onResetRecoveryClick}
                         >
                             { s }
                         </AccessibleButton>,
@@ -394,8 +427,6 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
             </div>;
         } else {
             title = _t("Enter Security Key");
-            const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
-            const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
 
             let keyStatus;
             if (this.state.recoveryKey.length === 0) {
@@ -423,15 +454,15 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
 
                 <div className="mx_RestoreKeyBackupDialog_primaryContainer">
                     <input className="mx_RestoreKeyBackupDialog_recoveryKeyInput"
-                        onChange={this._onRecoveryKeyChange}
+                        onChange={this.onRecoveryKeyChange}
                         value={this.state.recoveryKey}
                         autoFocus={true}
                     />
                     { keyStatus }
                     <DialogButtons primaryButton={_t('Next')}
-                        onPrimaryButtonClick={this._onRecoveryKeyNext}
+                        onPrimaryButtonClick={this.onRecoveryKeyNext}
                         hasCancel={true}
-                        onCancel={this._onCancel}
+                        onCancel={this.onCancel}
                         focus={false}
                         primaryDisabled={!this.state.recoveryKeyValid}
                     />
@@ -443,7 +474,7 @@ export default class RestoreKeyBackupDialog extends React.PureComponent {
                     {
                         button: s => <AccessibleButton className="mx_linkButton"
                             element="span"
-                            onClick={this._onResetRecoveryClick}
+                            onClick={this.onResetRecoveryClick}
                         >
                             { s }
                         </AccessibleButton>,

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

@@ -20,6 +20,7 @@ import BaseDialog from '../BaseDialog';
 import { _t } from '../../../../languageHandler';
 import { SetupEncryptionStore, Phase } from '../../../../stores/SetupEncryptionStore';
 import { replaceableComponent } from "../../../../utils/replaceableComponent";
+import { IDialogProps } from "../IDialogProps";
 
 function iconFromPhase(phase: Phase) {
     if (phase === Phase.Done) {
@@ -29,12 +30,9 @@ function iconFromPhase(phase: Phase) {
     }
 }
 
-interface IProps {
+interface IProps extends IDialogProps {}
-    onFinished: (success: boolean) => void;
-}
-
 interface IState {
-    icon: Phase;
+    icon: string;
 }
 
 @replaceableComponent("views.dialogs.security.SetupEncryptionDialog")

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 {
+export default class AppTile extends React.Component<IProps, IState> {
-    constructor(props) {
+    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 = new StopGapWidget(this.props);
-            this._sgWidget.on("preparing", this._onWidgetPrepared);
+            this.sgWidget.on("preparing", this.onWidgetPrepared);
-            this._sgWidget.on("ready", this._onWidgetReady);
+            this.sgWidget.on("ready", this.onWidgetReady);
         } catch (e) {
-            console.log("Failed to construct widget", e);
+            logger.log("Failed to construct widget", e);
-            this._sgWidget = null;
+            this.sgWidget = null;
         }
-        this.iframe = null; // ref to the iframe (callback style)
 
-        this.state = this._getNewState(props);
+        this.state = this.getNewState(props);
-        this._contextMenuButton = createRef();
 
-        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) => {
+    private hasPermissionToLoad = (props: IProps): boolean => {
-        if (this._usingLocalWidget()) return true;
+        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);
+            ActiveWidgetStore.instance.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();
         }
 
         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) {
+        if (this.sgWidget && this.state.hasPermissionToLoad) {
-            this._startWidget();
+            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)) {
+        if (!ActiveWidgetStore.instance.getWidgetPersistence(this.props.app.id)) {
-            ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
+            ActiveWidgetStore.instance.destroyPersistentWidget(this.props.app.id);
-            PersistedElement.destroyElement(this._persistKey);
+            PersistedElement.destroyElement(this.persistKey);
         }
 
-        if (this._sgWidget) {
+        if (this.sgWidget) {
-            this._sgWidget.stop();
+            this.sgWidget.stop();
         }
 
-        SettingsStore.unwatchSetting(this._allowedWidgetsWatchRef);
+        SettingsStore.unwatchSetting(this.allowedWidgetsWatchRef);
     }
 
-    _resetWidget(newProps) {
+    private resetWidget(newProps: IProps): void {
-        if (this._sgWidget) {
+        if (this.sgWidget) {
-            this._sgWidget.stop();
+            this.sgWidget.stop();
         }
         try {
-            this._sgWidget = new StopGapWidget(newProps);
+            this.sgWidget = new StopGapWidget(newProps);
-            this._sgWidget.on("preparing", this._onWidgetPrepared);
+            this.sgWidget.on("preparing", this.onWidgetPrepared);
-            this._sgWidget.on("ready", this._onWidgetReady);
+            this.sgWidget.on("ready", this.onWidgetReady);
-            this._startWidget();
+            this.startWidget();
         } catch (e) {
-            console.log("Failed to construct widget", e);
+            logger.log("Failed to construct widget", e);
-            this._sgWidget = null;
+            this.sgWidget = null;
         }
     }
 
-    _startWidget() {
+    private startWidget(): void {
-        this._sgWidget.prepare().then(() => {
+        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);
+        ActiveWidgetStore.instance.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}
+                            ref={this.iframeRefChange}
-                            src={this._sgWidget.embedUrl}
+                            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) }}>
+                        <span className="mx_AppTileMenuBarTitle" style={{ pointerEvents: (this.props.handleMinimisePointerEvents ? 'all' : "none") }}>
-                            { this.props.showTitle && this._getTileTitle() }
+                            { 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}
+                                inputRef={this.contextMenuButton}
-                                onClick={this._onContextMenuClick}
+                                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 React from 'react';
-import PropTypes from 'prop-types';
 
-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 {
+export default class DialogButtons extends React.Component<IProps> {
-    static propTypes = {
+    public static defaultProps: Partial<IProps> = {
-        // 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 = {
         hasCancel: true,
         disabled: false,
     };
 
-    _onCancelClick = () => {
+    private onCancelClick = (event: React.MouseEvent): void => {
-        this.props.onCancel();
+        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 React, { ChangeEvent, createRef } from 'react';
-import PropTypes from 'prop-types';
-import * as sdk from '../../../index';
 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 {
+export default class DirectorySearchBox extends React.Component<IProps, IState> {
-    constructor(props) {
+    private input = createRef<HTMLInputElement>();
-        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);
 
-        this.input = null;
+    constructor(props: IProps) {
+        super(props);
 
         this.state = {
             value: this.props.initialText || '',
         };
     }
 
-    _collectInput(e) {
+    private onClearClick = (): void => {
-        this.input = e;
-    }
-
-    _onClearClick() {
         this.setState({ value: '' });
 
-        if (this.input) {
+        if (this.input.current) {
-            this.input.focus();
+            this.input.current.focus();
 
             if (this.props.onClear) {
                 this.props.onClear();
             }
         }
-    }
+    };
 
-    _onChange(ev) {
+    private onChange = (ev: ChangeEvent<HTMLInputElement>): void => {
-        if (!this.input) return;
+        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}
+                ref={this.input}
-                onChange={this._onChange}
+                onChange={this.onChange}
-                onKeyUp={this._onKeyUp}
+                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";
 
-@replaceableComponent("views.elements.EditableText")
+enum Phases {
-export default class EditableText extends React.Component {
+    Display = "display",
-    static propTypes = {
+    Edit = "edit",
-        onValueChanged: PropTypes.func,
+}
-        initialValue: PropTypes.string,
+
-        label: PropTypes.string,
+interface IProps {
-        placeholder: PropTypes.string,
+    onValueChanged?: (value: string, shouldSubmit: boolean) => void;
-        className: PropTypes.string,
+    initialValue?: string;
-        labelClassName: PropTypes.string,
+    label?: string;
-        placeholderClassName: PropTypes.string,
+    placeholder?: string;
+    className?: string;
+    labelClassName?: string;
+    placeholderClassName?: string;
     // Overrides blurToSubmit if true
-        blurToCancel: PropTypes.bool,
+    blurToCancel?: boolean;
     // Will cause onValueChanged(value, true) to fire on blur
-        blurToSubmit: PropTypes.bool,
+    blurToSubmit?: boolean;
-        editable: PropTypes.bool,
+    editable?: boolean;
-    };
+}
 
-    static Phases = {
+interface IState {
-        Display: "display",
+    phase: Phases;
-        Edit: "edit",
+}
-    };
 
-    static defaultProps = {
+@replaceableComponent("views.elements.EditableText")
+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>();
+
+    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
+        this.state = {
-        // as React doesn't play nice with contentEditable.
+            phase: Phases.Display,
-        this.value = '';
-        this.placeholder = false;
-
-        this._editable_div = createRef();
-    }
-
-    state = {
-        phase: EditableText.Phases.Display,
         };
+    }
 
     // TODO: [REACT-WARNING] Replace with appropriate lifecycle event
-    // eslint-disable-next-line camelcase
+    // eslint-disable-next-line @typescript-eslint/naming-convention, camelcase
-    UNSAFE_componentWillReceiveProps(nextProps) {
+    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.editableDiv.current.textContent = this.props.placeholder;
-            this._editable_div.current.setAttribute("class", this.props.className
+            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.editableDiv.current.textContent = this.value;
-            this._editable_div.current.setAttribute("class", this.props.className);
+            this.editableDiv.current.setAttribute("class", this.props.className);
             this.placeholder = false;
         }
     };
 
-    getValue = () => this.value;
+    private cancelEdit = (): void => {
-
-    setValue = value => {
-        this.value = value;
-        this.showPlaceholder(!this.value);
-    };
-
-    edit = () => {
         this.setState({
-            phase: EditableText.Phases.Edit,
+            phase: Phases.Display,
-        });
-    };
-
-    cancelEdit = () => {
-        this.setState({
-            phase: EditableText.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 {
+export default class EditableTextContainer extends React.Component<IProps, IState> {
-    constructor(props) {
+    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() {
+    public async componentDidMount(): Promise<void> {
-        if (this.props.getInitialValue === undefined) {
         // use whatever was given in the initialValue property.
-            return;
+        if (this.props.getInitialValue === undefined) return;
-        }
 
         this.setState({ busy: true });
-
+        try {
-        this.props.getInitialValue().then(
+            const initialValue = await this.props.getInitialValue();
-            (result) => {
+            if (this.unmounted) return;
-                if (this._unmounted) { return; }
             this.setState({
                 busy: false,
-                    value: result,
+                value: initialValue,
             });
-            },
+        } catch (error) {
-            (error) => {
+            if (this.unmounted) return;
-                if (this._unmounted) { return; }
             this.setState({
                 errorString: error.toString(),
                 busy: false,
             });
-            },
+        }
-        );
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
-        this._unmounted = true;
+        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;
+    mxEvent?: MatrixEvent;
-    permalinkCreator: RoomPermalinkCreator;
+    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,
+            translationX: (
-            translationY: 0,
+                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) {
+        if (this.state.moving) cursor = "grabbing";
-            cursor= "grabbing";
+        else if (zoomingDisabled) cursor = "default";
-        } else if (zoomingDisabled) {
+        else if (this.state.zoom === this.state.minZoom) cursor = "zoom-in";
-            cursor = "default";
+        else cursor = "zoom-out";
-        } 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 {
+export default class LanguageDropdown extends React.Component<IProps, IState> {
-    constructor(props) {
+    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) {
+    constructor(
-        this.topCount = topCount;
+        public topCount: number,
-        this.renderCount = renderCount;
+        public renderCount: number,
-        this.bottomCount = bottomCount;
+        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 {
+export default class LazyRenderList<T = any> extends React.Component<IProps<T>, IState> {
-    constructor(props) {
+    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/MemberEventListSummary.tsx

@@ -135,7 +135,7 @@ export default class MemberEventListSummary extends React.Component<IProps> {
 
             const desc = formatCommaSeparatedList(descs);
 
-            return _t('%(nameList)s %(transitionList)s', { nameList: nameList, transitionList: desc });
+            return _t('%(nameList)s %(transitionList)s', { nameList, transitionList: desc });
         });
 
         if (!summaries) {

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) {
+function getContainer(containerId: string): HTMLDivElement {
-    return document.getElementById(containerId);
+    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 {
+export default class PersistedElement extends React.Component<IProps> {
-    static propTypes = {
+    private resizeObserver: ResizeObserver;
-        // Unique identifier for this PersistedElement instance
+    private dispatcherRef: string;
-        // Any PersistedElements with the same persistKey will use
+    private childContainer: HTMLDivElement;
-        // the same DOM container.
+    private child: HTMLDivElement;
-        persistKey: PropTypes.string.isRequired,
 
-        // z-index for the element. Defaults to 9.
+    constructor(props: IProps) {
-        zIndex: PropTypes.number,
+        super(props);
-    };
 
-    constructor() {
+        this.resizeObserver = new ResizeObserver(this.repositionChild);
-        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);
         // 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);
+        window.addEventListener('resize', this.repositionChild);
-        this._dispatcherRef = dis.register(this._onAction);
+        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);
+        window.removeEventListener('resize', this.repositionChild);
-        dis.unregister(this._dispatcherRef);
+        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

@@ -17,61 +17,74 @@ limitations under the License.
 
 import React from 'react';
 import RoomViewStore from '../../../stores/RoomViewStore';
-import ActiveWidgetStore from '../../../stores/ActiveWidgetStore';
+import ActiveWidgetStore, { ActiveWidgetStoreEvent } 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 {
+export default class PersistentApp extends React.Component<{}, IState> {
-    state = {
+    private roomStoreToken: EventSubscription;
+
+    constructor() {
+        super({});
+
+        this.state = {
             roomId: RoomViewStore.getRoomId(),
-        persistentWidgetId: ActiveWidgetStore.getPersistentWidgetId(),
+            persistentWidgetId: ActiveWidgetStore.instance.getPersistentWidgetId(),
         };
-
-    componentDidMount() {
-        this._roomStoreToken = RoomViewStore.addListener(this._onRoomViewStoreUpdate);
-        ActiveWidgetStore.on('update', this._onActiveWidgetStoreUpdate);
-        MatrixClientPeg.get().on("Room.myMembership", this._onMyMembership);
     }
 
-    componentWillUnmount() {
+    public componentDidMount(): void {
-        if (this._roomStoreToken) {
+        this.roomStoreToken = RoomViewStore.addListener(this.onRoomViewStoreUpdate);
-            this._roomStoreToken.remove();
+        ActiveWidgetStore.instance.on(ActiveWidgetStoreEvent.Update, this.onActiveWidgetStoreUpdate);
+        MatrixClientPeg.get().on("Room.myMembership", this.onMyMembership);
     }
-        ActiveWidgetStore.removeListener('update', this._onActiveWidgetStoreUpdate);
+
+    public componentWillUnmount(): void {
+        if (this.roomStoreToken) {
+            this.roomStoreToken.remove();
+        }
+        ActiveWidgetStore.instance.removeListener(ActiveWidgetStoreEvent.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(),
+            persistentWidgetId: ActiveWidgetStore.instance.getPersistentWidgetId(),
         });
     };
 
-    _onMyMembership = async (room, membership) => {
+    private onMyMembership = async (room: Room, membership: string): Promise<void> => {
-        const persistentWidgetInRoomId = ActiveWidgetStore.getRoomId(this.state.persistentWidgetId);
+        const persistentWidgetInRoomId = ActiveWidgetStore.instance.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);
+                ActiveWidgetStore.instance.destroyPersistentWidget(this.state.persistentWidgetId);
             }
         }
     };
 
-    render() {
+    public render(): JSX.Element {
         if (this.state.persistentWidgetId) {
-            const persistentWidgetInRoomId = ActiveWidgetStore.getRoomId(this.state.persistentWidgetId);
+            const persistentWidgetInRoomId = ActiveWidgetStore.instance.getRoomId(this.state.persistentWidgetId);
 
             const persistentWidgetInRoom = MatrixClientPeg.get().getRoom(persistentWidgetInRoomId);
 
@@ -83,13 +96,12 @@ export default class PersistentApp extends React.Component {
             if (this.state.roomId !== persistentWidgetInRoomId && myMembership === "join") {
                 // get the widget data
                 const appEvent = WidgetUtils.getRoomWidgets(persistentWidgetInRoom).find((ev) => {
-                    return ev.getStateKey() === ActiveWidgetStore.getPersistentWidgetId();
+                    return ev.getStateKey() === ActiveWidgetStore.instance.getPersistentWidgetId();
                 });
                 const app = WidgetUtils.makeAppConfig(
                     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";
 
-@replaceableComponent("views.elements.PowerSelector")
+const CUSTOM_VALUE = "SELECT_VALUE_CUSTOM";
-export default class PowerSelector extends React.Component {
+
-    static propTypes = {
+interface IProps {
-        value: PropTypes.number.isRequired,
+    value: number;
     // The maximum value that can be set with the power selector
-        maxValue: PropTypes.number.isRequired,
+    maxValue: number;
 
     // Default user power level for the room
-        usersDefault: PropTypes.number.isRequired,
+    usersDefault: number;
 
     // should the user be able to change the value? false by default.
-        disabled: PropTypes.bool,
+    disabled?: boolean;
-        onChange: PropTypes.func,
+    onChange?: (value: number, powerLevelKey: string) => void;
 
     // Optional key to pass as the second argument to `onChange`
-        powerLevelKey: PropTypes.string,
+    powerLevelKey?: string;
 
     // The name to annotate the selector with
-        label: PropTypes.string,
+    label?: string;
-    }
+}
 
-    static defaultProps = {
+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<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
+    // eslint-disable-next-line camelcase, @typescript-eslint/naming-convention
-    UNSAFE_componentWillMount() {
+    public UNSAFE_componentWillMount(): void {
-        this._initStateFromProps(this.props);
+        this.initStateFromProps(this.props);
     }
 
-    // eslint-disable-next-line camelcase
+    // eslint-disable-next-line camelcase, @typescript-eslint/naming-convention
-    UNSAFE_componentWillReceiveProps(newProps) {
+    public UNSAFE_componentWillReceiveProps(newProps: IProps): void {
-        this._initStateFromProps(newProps);
+        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 ||
+                parseInt(level) <= newProps.maxValue ||
-                level == newProps.value
+                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 => {
+    private onSelectChange = (event: React.ChangeEvent<HTMLSelectElement>): void => {
-        const isCustom = event.target.value === "SELECT_VALUE_CUSTOM";
+        const isCustom = event.target.value === CUSTOM_VALUE;
         if (isCustom) {
             this.setState({ custom: true });
         } else {
-            this.props.onChange(event.target.value, this.props.powerLevelKey);
+            const powerLevel = parseInt(event.target.value);
-            this.setState({ selectValue: event.target.value });
+            this.props.onChange(powerLevel, this.props.powerLevelKey);
+            this.setState({ selectValue: powerLevel });
         }
     };
 
-    onCustomChange = event => {
+    private onCustomChange = (event: React.ChangeEvent<HTMLInputElement>): void => {
-        this.setState({ customValue: event.target.value });
+        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.push({ value: CUSTOM_VALUE, text: _t("Custom level") });
-            options = options.map((op) => {
+            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 {
+export default class Spoiler extends React.Component<IProps, IState> {
-    constructor(props) {
+    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 {
+export default class SyntaxHighlight extends React.Component<IProps> {
-    static propTypes = {
+    private el: HTMLPreElement = null;
-        className: PropTypes.string,
-        children: PropTypes.node,
-    };
 
-    constructor(props) {
+    constructor(props: IProps) {
         super(props);
-
-        this._ref = this._ref.bind(this);
     }
 
     // componentDidUpdate used here for reusability
-    componentDidUpdate() {
+    public componentDidUpdate(): void {
-        if (this._el) highlightBlock(this._el);
+        if (this.el) highlightBlock(this.el);
     }
 
     // call componentDidUpdate because _ref is fired on initial render
     // which does not fire componentDidUpdate
-    _ref(el) {
+    private ref = (el: HTMLPreElement): void => {
-        this._el = el;
+        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 {
+export default class TextWithTooltip extends React.Component<IProps, IState> {
-    static propTypes = {
+    constructor(props: IProps) {
-        class: PropTypes.string,
+        super(props);
-        tooltipClass: PropTypes.string,
-        tooltip: PropTypes.node.isRequired,
-        tooltipProps: PropTypes.object,
-    };
-
-    constructor() {
-        super();
 
         this.state = {
             hover: false,
         };
     }
 
-    onMouseOver = () => {
+    private onMouseOver = (): void => {
         this.setState({ hover: true });
     };
 
-    onMouseLeave = () => {
+    private onMouseLeave = (): void => {
         this.setState({ hover: false });
     };
 
-    render() {
+    public render(): JSX.Element {
-        const Tooltip = sdk.getComponent("elements.Tooltip");
-
         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 {
+export default class VerificationQRCode extends React.PureComponent<IProps> {
-    static propTypes = {
+    public render(): JSX.Element {
-        qrCodeData: PropTypes.object.isRequired,
-    };
-
-    render() {
         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/EditHistoryMessage.tsx

@@ -15,107 +15,112 @@ limitations under the License.
 */
 
 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import * as HtmlUtils from '../../../HtmlUtils';
 import { editBodyDiffToHtml } from '../../../utils/MessageDiffUtils';
 import { formatTime } from '../../../DateUtils';
-import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import { EventStatus, MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import { pillifyLinks, unmountPills } from '../../../utils/pillify';
 import { _t } from '../../../languageHandler';
-import * as sdk from '../../../index';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import Modal from '../../../Modal';
 import classNames from 'classnames';
 import RedactedBody from "./RedactedBody";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import AccessibleButton from "../elements/AccessibleButton";
+import ConfirmAndWaitRedactDialog from "../dialogs/ConfirmAndWaitRedactDialog";
+import ViewSource from "../../structures/ViewSource";
 
 function getReplacedContent(event) {
     const originalContent = event.getOriginalContent();
     return originalContent["m.new_content"] || originalContent;
 }
 
-@replaceableComponent("views.messages.EditHistoryMessage")
+interface IProps {
-export default class EditHistoryMessage extends React.PureComponent {
-    static propTypes = {
     // the message event being edited
-        mxEvent: PropTypes.instanceOf(MatrixEvent).isRequired,
+    mxEvent: MatrixEvent;
-        previousEdit: PropTypes.instanceOf(MatrixEvent),
+    previousEdit?: MatrixEvent;
-        isBaseEvent: PropTypes.bool,
+    isBaseEvent?: boolean;
-    };
+    isTwelveHour?: boolean;
+}
 
-    constructor(props) {
+interface IState {
+    canRedact: boolean;
+    sendStatus: EventStatus;
+}
+
+@replaceableComponent("views.messages.EditHistoryMessage")
+export default class EditHistoryMessage extends React.PureComponent<IProps, IState> {
+    private content = createRef<HTMLDivElement>();
+    private pills: Element[] = [];
+
+    constructor(props: IProps) {
         super(props);
+
         const cli = MatrixClientPeg.get();
         const { userId } = cli.credentials;
         const event = this.props.mxEvent;
         const room = cli.getRoom(event.getRoomId());
         if (event.localRedactionEvent()) {
-            event.localRedactionEvent().on("status", this._onAssociatedStatusChanged);
+            event.localRedactionEvent().on("status", this.onAssociatedStatusChanged);
         }
         const canRedact = room.currentState.maySendRedactionForEvent(event, userId);
         this.state = { canRedact, sendStatus: event.getAssociatedStatus() };
-
-        this._content = createRef();
-        this._pills = [];
     }
 
-    _onAssociatedStatusChanged = () => {
+    private onAssociatedStatusChanged = (): void => {
         this.setState({ sendStatus: this.props.mxEvent.getAssociatedStatus() });
     };
 
-    _onRedactClick = async () => {
+    private onRedactClick = async (): Promise<void> => {
         const event = this.props.mxEvent;
         const cli = MatrixClientPeg.get();
-        const ConfirmAndWaitRedactDialog = sdk.getComponent("dialogs.ConfirmAndWaitRedactDialog");
 
         Modal.createTrackedDialog('Confirm Redact Dialog', 'Edit history', ConfirmAndWaitRedactDialog, {
             redact: () => cli.redactEvent(event.getRoomId(), event.getId()),
         }, 'mx_Dialog_confirmredact');
     };
 
-    _onViewSourceClick = () => {
+    private onViewSourceClick = (): void => {
-        const ViewSource = sdk.getComponent('structures.ViewSource');
         Modal.createTrackedDialog('View Event Source', 'Edit history', ViewSource, {
             mxEvent: this.props.mxEvent,
         }, 'mx_Dialog_viewsource');
     };
 
-    pillifyLinks() {
+    private pillifyLinks(): void {
         // not present for redacted events
-        if (this._content.current) {
+        if (this.content.current) {
-            pillifyLinks(this._content.current.children, this.props.mxEvent, this._pills);
+            pillifyLinks(this.content.current.children, this.props.mxEvent, this.pills);
         }
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.pillifyLinks();
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
-        unmountPills(this._pills);
+        unmountPills(this.pills);
         const event = this.props.mxEvent;
         if (event.localRedactionEvent()) {
-            event.localRedactionEvent().off("status", this._onAssociatedStatusChanged);
+            event.localRedactionEvent().off("status", this.onAssociatedStatusChanged);
         }
     }
 
-    componentDidUpdate() {
+    public componentDidUpdate(): void {
         this.pillifyLinks();
     }
 
-    _renderActionBar() {
+    private renderActionBar(): JSX.Element {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         // hide the button when already redacted
         let redactButton;
         if (!this.props.mxEvent.isRedacted() && !this.props.isBaseEvent && this.state.canRedact) {
             redactButton = (
-                <AccessibleButton onClick={this._onRedactClick}>
+                <AccessibleButton onClick={this.onRedactClick}>
                     { _t("Remove") }
                 </AccessibleButton>
             );
         }
         const viewSourceButton = (
-            <AccessibleButton onClick={this._onViewSourceClick}>
+            <AccessibleButton onClick={this.onViewSourceClick}>
                 { _t("View Source") }
             </AccessibleButton>
         );
@@ -128,7 +133,7 @@ export default class EditHistoryMessage extends React.PureComponent {
         );
     }
 
-    render() {
+    public render(): JSX.Element {
         const { mxEvent } = this.props;
         const content = getReplacedContent(mxEvent);
         let contentContainer;
@@ -139,18 +144,22 @@ export default class EditHistoryMessage extends React.PureComponent {
             if (this.props.previousEdit) {
                 contentElements = editBodyDiffToHtml(getReplacedContent(this.props.previousEdit), content);
             } else {
-                contentElements = HtmlUtils.bodyToHtml(content, null, { stripReplyFallback: true });
+                contentElements = HtmlUtils.bodyToHtml(
+                    content,
+                    null,
+                    { stripReplyFallback: true, returnString: false },
+                );
             }
             if (mxEvent.getContent().msgtype === "m.emote") {
                 const name = mxEvent.sender ? mxEvent.sender.name : mxEvent.getSender();
                 contentContainer = (
-                    <div className="mx_EventTile_content" ref={this._content}>*&nbsp;
+                    <div className="mx_EventTile_content" ref={this.content}>*&nbsp;
                         <span className="mx_MEmoteBody_sender">{ name }</span>
                         &nbsp;{ contentElements }
                     </div>
                 );
             } else {
-                contentContainer = <div className="mx_EventTile_content" ref={this._content}>{ contentElements }</div>;
+                contentContainer = <div className="mx_EventTile_content" ref={this.content}>{ contentElements }</div>;
             }
         }
 
@@ -167,7 +176,7 @@ export default class EditHistoryMessage extends React.PureComponent {
                     <div className="mx_EventTile_line">
                         <span className="mx_MessageTimestamp">{ timestamp }</span>
                         { contentContainer }
-                        { this._renderActionBar() }
+                        { this.renderActionBar() }
                     </div>
                 </div>
             </li>

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();