diff --git a/src/components/structures/TimelinePanel.js b/src/components/structures/TimelinePanel.js
index d6d29e1cde..c815b69abc 100644
--- a/src/components/structures/TimelinePanel.js
+++ b/src/components/structures/TimelinePanel.js
@@ -18,14 +18,14 @@ limitations under the License.
 */
 
 import SettingsStore from "../../settings/SettingsStore";
-import {LayoutPropType} from "../../settings/Layout";
-import React, {createRef} from 'react';
+import { LayoutPropType } from "../../settings/Layout";
+import React, { createRef } from 'react';
 import ReactDOM from "react-dom";
 import PropTypes from 'prop-types';
-import {EventTimeline} from "matrix-js-sdk/src/models/event-timeline";
-import {TimelineWindow} from "matrix-js-sdk/src/timeline-window";
+import { EventTimeline } from "matrix-js-sdk/src/models/event-timeline";
+import { TimelineWindow } from "matrix-js-sdk/src/timeline-window";
 import { _t } from '../../languageHandler';
-import {MatrixClientPeg} from "../../MatrixClientPeg";
+import { MatrixClientPeg } from "../../MatrixClientPeg";
 import UserActivity from "../../UserActivity";
 import Modal from "../../Modal";
 import dis from "../../dispatcher/dispatcher";
@@ -34,12 +34,12 @@ import { Key } from '../../Keyboard';
 import Timer from '../../utils/Timer';
 import shouldHideEvent from '../../shouldHideEvent';
 import EditorStateTransfer from '../../utils/EditorStateTransfer';
-import {haveTileForEvent} from "../views/rooms/EventTile";
-import {UIFeature} from "../../settings/UIFeature";
-import {objectHasDiff} from "../../utils/objects";
-import {replaceableComponent} from "../../utils/replaceableComponent";
+import { haveTileForEvent } from "../views/rooms/EventTile";
+import { UIFeature } from "../../settings/UIFeature";
+import { objectHasDiff } from "../../utils/objects";
+import { replaceableComponent } from "../../utils/replaceableComponent";
 import { arrayFastClone } from "../../utils/arrays";
-import {Action} from "../../dispatcher/actions";
+import { Action } from "../../dispatcher/actions";
 
 const PAGINATE_SIZE = 20;
 const INITIAL_SIZE = 20;
diff --git a/src/components/views/context_menus/MessageContextMenu.js b/src/components/views/context_menus/MessageContextMenu.js
index cb4632b2ac..9576d71e16 100644
--- a/src/components/views/context_menus/MessageContextMenu.js
+++ b/src/components/views/context_menus/MessageContextMenu.js
@@ -17,9 +17,9 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import {EventStatus} from 'matrix-js-sdk/src/models/event';
+import { EventStatus } from 'matrix-js-sdk/src/models/event';
 
-import {MatrixClientPeg} from '../../../MatrixClientPeg';
+import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import dis from '../../../dispatcher/dispatcher';
 import * as sdk from '../../../index';
 import { _t } from '../../../languageHandler';
@@ -28,11 +28,11 @@ import Resend from '../../../Resend';
 import SettingsStore from '../../../settings/SettingsStore';
 import { isUrlPermitted } from '../../../HtmlUtils';
 import { isContentActionable } from '../../../utils/EventUtils';
-import {MenuItem} from "../../structures/ContextMenu";
-import {EventType} from "matrix-js-sdk/src/@types/event";
-import {replaceableComponent} from "../../../utils/replaceableComponent";
-import {ComposerInsertPayload} from "../../../dispatcher/payloads/ComposerInsertPayload";
-import {Action} from "../../../dispatcher/actions";
+import { MenuItem } from "../../structures/ContextMenu";
+import { EventType } from "matrix-js-sdk/src/@types/event";
+import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
+import { Action } from "../../../dispatcher/actions";
 
 export function canCancel(eventStatus) {
     return eventStatus === EventStatus.QUEUED || eventStatus === EventStatus.NOT_SENT;
diff --git a/src/components/views/messages/TextualBody.js b/src/components/views/messages/TextualBody.js
index 1c1f64ff37..eb4516b37a 100644
--- a/src/components/views/messages/TextualBody.js
+++ b/src/components/views/messages/TextualBody.js
@@ -16,12 +16,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {createRef} from 'react';
+import React, { createRef } from 'react';
 import ReactDOM from 'react-dom';
 import PropTypes from 'prop-types';
 import highlight from 'highlight.js';
 import * as HtmlUtils from '../../../HtmlUtils';
-import {formatDate} from '../../../DateUtils';
+import { formatDate } from '../../../DateUtils';
 import * as sdk from '../../../index';
 import Modal from '../../../Modal';
 import dis from '../../../dispatcher/dispatcher';
@@ -29,16 +29,16 @@ import { _t } from '../../../languageHandler';
 import * as ContextMenu from '../../structures/ContextMenu';
 import SettingsStore from "../../../settings/SettingsStore";
 import ReplyThread from "../elements/ReplyThread";
-import {pillifyLinks, unmountPills} from '../../../utils/pillify';
-import {IntegrationManagers} from "../../../integrations/IntegrationManagers";
-import {isPermalinkHost} from "../../../utils/permalinks/Permalinks";
-import {toRightOf} from "../../structures/ContextMenu";
-import {copyPlaintext} from "../../../utils/strings";
+import { pillifyLinks, unmountPills } from '../../../utils/pillify';
+import { IntegrationManagers } from "../../../integrations/IntegrationManagers";
+import { isPermalinkHost } from "../../../utils/permalinks/Permalinks";
+import { toRightOf } from "../../structures/ContextMenu";
+import { copyPlaintext } from "../../../utils/strings";
 import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
-import {replaceableComponent} from "../../../utils/replaceableComponent";
+import { replaceableComponent } from "../../../utils/replaceableComponent";
 import UIStore from "../../../stores/UIStore";
-import {ComposerInsertPayload} from "../../../dispatcher/payloads/ComposerInsertPayload";
-import {Action} from "../../../dispatcher/actions";
+import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
+import { Action } from "../../../dispatcher/actions";
 
 @replaceableComponent("views.messages.TextualBody")
 export default class TextualBody extends React.Component {
diff --git a/src/components/views/right_panel/UserInfo.tsx b/src/components/views/right_panel/UserInfo.tsx
index 06f0fbff6a..1a9f95d4c4 100644
--- a/src/components/views/right_panel/UserInfo.tsx
+++ b/src/components/views/right_panel/UserInfo.tsx
@@ -17,18 +17,18 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {useCallback, useContext, useEffect, useMemo, useState} from 'react';
+import React, { useCallback, useContext, useEffect, useMemo, useState } from 'react';
 import classNames from 'classnames';
-import {MatrixClient} from 'matrix-js-sdk/src/client';
-import {RoomMember} from 'matrix-js-sdk/src/models/room-member';
-import {User} from 'matrix-js-sdk/src/models/user';
-import {Room} from 'matrix-js-sdk/src/models/room';
-import {EventTimeline} from 'matrix-js-sdk/src/models/event-timeline';
-import {MatrixEvent} from 'matrix-js-sdk/src/models/event';
+import { MatrixClient } from 'matrix-js-sdk/src/client';
+import { RoomMember } from 'matrix-js-sdk/src/models/room-member';
+import { User } from 'matrix-js-sdk/src/models/user';
+import { Room } from 'matrix-js-sdk/src/models/room';
+import { EventTimeline } from 'matrix-js-sdk/src/models/event-timeline';
+import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
 
 import dis from '../../../dispatcher/dispatcher';
 import Modal from '../../../Modal';
-import {_t} from '../../../languageHandler';
+import { _t } from '../../../languageHandler';
 import createRoom, { findDMForUser, privateShouldBeEncrypted } from '../../../createRoom';
 import DMRoomMap from '../../../utils/DMRoomMap';
 import AccessibleButton from '../elements/AccessibleButton';
@@ -37,20 +37,20 @@ import SettingsStore from "../../../settings/SettingsStore";
 import RoomViewStore from "../../../stores/RoomViewStore";
 import MultiInviter from "../../../utils/MultiInviter";
 import GroupStore from "../../../stores/GroupStore";
-import {MatrixClientPeg} from "../../../MatrixClientPeg";
+import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import E2EIcon from "../rooms/E2EIcon";
-import {useEventEmitter} from "../../../hooks/useEventEmitter";
-import {textualPowerLevel} from '../../../Roles';
+import { useEventEmitter } from "../../../hooks/useEventEmitter";
+import { textualPowerLevel } from '../../../Roles';
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
-import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
+import { RightPanelPhases } from "../../../stores/RightPanelStorePhases";
 import EncryptionPanel from "./EncryptionPanel";
-import {useAsyncMemo} from '../../../hooks/useAsyncMemo';
-import {legacyVerifyUser, verifyDevice, verifyUser} from '../../../verification';
-import {Action} from "../../../dispatcher/actions";
+import { useAsyncMemo } from '../../../hooks/useAsyncMemo';
+import { legacyVerifyUser, verifyDevice, verifyUser } from '../../../verification';
+import { Action } from "../../../dispatcher/actions";
 import { USER_SECURITY_TAB } from "../dialogs/UserSettingsDialog";
-import {useIsEncrypted} from "../../../hooks/useIsEncrypted";
+import { useIsEncrypted } from "../../../hooks/useIsEncrypted";
 import BaseCard from "./BaseCard";
-import {E2EStatus} from "../../../utils/ShieldUtils";
+import { E2EStatus } from "../../../utils/ShieldUtils";
 import ImageView from "../elements/ImageView";
 import Spinner from "../elements/Spinner";
 import PowerSelector from "../elements/PowerSelector";
@@ -65,9 +65,9 @@ import { EventType } from "matrix-js-sdk/src/@types/event";
 import { SetRightPanelPhasePayload } from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
 import RoomAvatar from "../avatars/RoomAvatar";
 import RoomName from "../elements/RoomName";
-import {mediaFromMxc} from "../../../customisations/Media";
+import { mediaFromMxc } from "../../../customisations/Media";
 import UIStore from "../../../stores/UIStore";
-import {ComposerInsertPayload} from "../../../dispatcher/payloads/ComposerInsertPayload";
+import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
 
 export interface IDevice {
     deviceId: string;
diff --git a/src/components/views/rooms/BasicMessageComposer.tsx b/src/components/views/rooms/BasicMessageComposer.tsx
index 31651d807d..3ab3865fb1 100644
--- a/src/components/views/rooms/BasicMessageComposer.tsx
+++ b/src/components/views/rooms/BasicMessageComposer.tsx
@@ -16,39 +16,39 @@ limitations under the License.
 */
 
 import classNames from 'classnames';
-import React, {createRef, ClipboardEvent} from 'react';
-import {Room} from 'matrix-js-sdk/src/models/room';
-import {MatrixEvent} from 'matrix-js-sdk/src/models/event';
+import React, { createRef, ClipboardEvent } from 'react';
+import { Room } from 'matrix-js-sdk/src/models/room';
+import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import EMOTICON_REGEX from 'emojibase-regex/emoticon';
 
 import EditorModel from '../../../editor/model';
 import HistoryManager from '../../../editor/history';
-import {Caret, setSelection} from '../../../editor/caret';
+import { Caret, setSelection } from '../../../editor/caret';
 import {
     formatRangeAsQuote,
     formatRangeAsCode,
     toggleInlineFormat,
     replaceRangeAndMoveCaret,
 } from '../../../editor/operations';
-import {getCaretOffsetAndText, getRangeForSelection} from '../../../editor/dom';
-import Autocomplete, {generateCompletionDomId} from '../rooms/Autocomplete';
-import {getAutoCompleteCreator} from '../../../editor/parts';
-import {parseEvent, parsePlainTextMessage} from '../../../editor/deserialize';
-import {renderModel} from '../../../editor/render';
+import { getCaretOffsetAndText, getRangeForSelection } from '../../../editor/dom';
+import Autocomplete, { generateCompletionDomId } from '../rooms/Autocomplete';
+import { getAutoCompleteCreator } from '../../../editor/parts';
+import { parseEvent, parsePlainTextMessage } from '../../../editor/deserialize';
+import { renderModel } from '../../../editor/render';
 import TypingStore from "../../../stores/TypingStore";
 import SettingsStore from "../../../settings/SettingsStore";
-import {Key} from "../../../Keyboard";
-import {EMOTICON_TO_EMOJI} from "../../../emoji";
-import {CommandCategories, CommandMap, parseCommandString} from "../../../SlashCommands";
+import { Key } from "../../../Keyboard";
+import { EMOTICON_TO_EMOJI } from "../../../emoji";
+import { CommandCategories, CommandMap, parseCommandString } from "../../../SlashCommands";
 import Range from "../../../editor/range";
 import MessageComposerFormatBar from "./MessageComposerFormatBar";
 import DocumentOffset from "../../../editor/offset";
-import {IDiff} from "../../../editor/diff";
+import { IDiff } from "../../../editor/diff";
 import AutocompleteWrapperModel from "../../../editor/autocomplete";
 import DocumentPosition from "../../../editor/position";
-import {ICompletion} from "../../../autocomplete/Autocompleter";
+import { ICompletion } from "../../../autocomplete/Autocompleter";
 import { AutocompleteAction, getKeyBindingsManager, MessageComposerAction } from '../../../KeyBindingsManager';
-import {replaceableComponent} from "../../../utils/replaceableComponent";
+import { replaceableComponent}  from "../../../utils/replaceableComponent";
 
 // matches emoticons which follow the start of a line or whitespace
 const REGEX_EMOTICON_WHITESPACE = new RegExp('(?:^|\\s)(' + EMOTICON_REGEX.source + ')\\s$');
diff --git a/src/components/views/rooms/EditMessageComposer.js b/src/components/views/rooms/EditMessageComposer.js
index 7128085c1c..e11b3836d9 100644
--- a/src/components/views/rooms/EditMessageComposer.js
+++ b/src/components/views/rooms/EditMessageComposer.js
@@ -16,25 +16,25 @@ limitations under the License.
 */
 import React from 'react';
 import * as sdk from '../../../index';
-import {_t, _td} from '../../../languageHandler';
+import { _t, _td } from '../../../languageHandler';
 import PropTypes from 'prop-types';
 import dis from '../../../dispatcher/dispatcher';
 import EditorModel from '../../../editor/model';
-import {getCaretOffsetAndText} from '../../../editor/dom';
-import {htmlSerializeIfNeeded, textSerialize, containsEmote, stripEmoteCommand} from '../../../editor/serialize';
-import {findEditableEvent} from '../../../utils/EventUtils';
-import {parseEvent} from '../../../editor/deserialize';
-import {CommandPartCreator} from '../../../editor/parts';
+import { getCaretOffsetAndText } from '../../../editor/dom';
+import { htmlSerializeIfNeeded, textSerialize, containsEmote, stripEmoteCommand } from '../../../editor/serialize';
+import { findEditableEvent } from '../../../utils/EventUtils';
+import { parseEvent } from '../../../editor/deserialize';
+import { CommandPartCreator } from '../../../editor/parts';
 import EditorStateTransfer from '../../../utils/EditorStateTransfer';
 import classNames from 'classnames';
-import {EventStatus} from 'matrix-js-sdk/src/models/event';
+import { EventStatus } from 'matrix-js-sdk/src/models/event';
 import BasicMessageComposer from "./BasicMessageComposer";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
-import {CommandCategories, getCommand} from '../../../SlashCommands';
-import {Action} from "../../../dispatcher/actions";
+import { CommandCategories, getCommand } from '../../../SlashCommands';
+import { Action } from "../../../dispatcher/actions";
 import CountlyAnalytics from "../../../CountlyAnalytics";
-import {getKeyBindingsManager, MessageComposerAction} from '../../../KeyBindingsManager';
-import {replaceableComponent} from "../../../utils/replaceableComponent";
+import { getKeyBindingsManager, MessageComposerAction } from '../../../KeyBindingsManager';
+import { replaceableComponent } from "../../../utils/replaceableComponent";
 import SendHistoryManager from '../../../SendHistoryManager';
 import Modal from '../../../Modal';
 
diff --git a/src/components/views/rooms/MessageComposer.tsx b/src/components/views/rooms/MessageComposer.tsx
index dc3e2658c0..f7d562fca0 100644
--- a/src/components/views/rooms/MessageComposer.tsx
+++ b/src/components/views/rooms/MessageComposer.tsx
@@ -15,34 +15,34 @@ limitations under the License.
 */
 import React from 'react';
 import classNames from 'classnames';
-import {_t} from '../../../languageHandler';
-import {MatrixClientPeg} from '../../../MatrixClientPeg';
+import { _t } from '../../../languageHandler';
+import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import * as sdk from '../../../index';
-import {MatrixEvent} from "matrix-js-sdk/src/models/event";
-import {Room} from "matrix-js-sdk/src/models/room";
-import {RoomMember} from "matrix-js-sdk/src/models/room-member";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import dis from '../../../dispatcher/dispatcher';
-import {ActionPayload} from "../../../dispatcher/payloads";
+import { ActionPayload } from "../../../dispatcher/payloads";
 import Stickerpicker from './Stickerpicker';
-import {makeRoomPermalink, RoomPermalinkCreator} from '../../../utils/permalinks/Permalinks';
+import { makeRoomPermalink, RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
 import ContentMessages from '../../../ContentMessages';
 import E2EIcon from './E2EIcon';
 import SettingsStore from "../../../settings/SettingsStore";
-import {aboveLeftOf, ContextMenu, ContextMenuTooltipButton, useContextMenu} from "../../structures/ContextMenu";
+import { aboveLeftOf, ContextMenu, ContextMenuTooltipButton, useContextMenu } from "../../structures/ContextMenu";
 import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
 import ReplyPreview from "./ReplyPreview";
-import {UIFeature} from "../../../settings/UIFeature";
-import {UPDATE_EVENT} from "../../../stores/AsyncStore";
-import {replaceableComponent} from "../../../utils/replaceableComponent";
+import { UIFeature } from "../../../settings/UIFeature";
+import { UPDATE_EVENT } from "../../../stores/AsyncStore";
+import { replaceableComponent } from "../../../utils/replaceableComponent";
 import VoiceRecordComposerTile from "./VoiceRecordComposerTile";
-import {VoiceRecordingStore} from "../../../stores/VoiceRecordingStore";
-import {RecordingState} from "../../../voice/VoiceRecording";
-import Tooltip, {Alignment} from "../elements/Tooltip";
+import { VoiceRecordingStore } from "../../../stores/VoiceRecordingStore";
+import { RecordingState } from "../../../voice/VoiceRecording";
+import Tooltip, { Alignment } from "../elements/Tooltip";
 import ResizeNotifier from "../../../utils/ResizeNotifier";
-import {E2EStatus} from '../../../utils/ShieldUtils';
+import { E2EStatus } from '../../../utils/ShieldUtils';
 import SendMessageComposer from "./SendMessageComposer";
-import {ComposerInsertPayload} from "../../../dispatcher/payloads/ComposerInsertPayload";
-import {Action} from "../../../dispatcher/actions";
+import { ComposerInsertPayload } from "../../../dispatcher/payloads/ComposerInsertPayload";
+import { Action } from "../../../dispatcher/actions";
 
 interface IComposerAvatarProps {
     me: object;
@@ -318,7 +318,7 @@ export default class MessageComposer extends React.Component<IProps, IState> {
         }
     }
 
-    addEmoji(emoji) {
+    addEmoji(emoji: string) {
         dis.dispatch<ComposerInsertPayload>({
             action: Action.ComposerInsert,
             text: emoji,
diff --git a/src/components/views/rooms/SendMessageComposer.js b/src/components/views/rooms/SendMessageComposer.js
index 44cd94460e..10ef91c689 100644
--- a/src/components/views/rooms/SendMessageComposer.js
+++ b/src/components/views/rooms/SendMessageComposer.js
@@ -27,26 +27,26 @@ import {
     startsWith,
     stripPrefix,
 } from '../../../editor/serialize';
-import {CommandPartCreator} from '../../../editor/parts';
+import { CommandPartCreator } from '../../../editor/parts';
 import BasicMessageComposer from "./BasicMessageComposer";
 import ReplyThread from "../elements/ReplyThread";
-import {findEditableEvent} from '../../../utils/EventUtils';
+import { findEditableEvent } from '../../../utils/EventUtils';
 import SendHistoryManager from "../../../SendHistoryManager";
-import {CommandCategories, getCommand} from '../../../SlashCommands';
+import { CommandCategories, getCommand } from '../../../SlashCommands';
 import * as sdk from '../../../index';
 import Modal from '../../../Modal';
-import {_t, _td} from '../../../languageHandler';
+import { _t, _td } from '../../../languageHandler';
 import ContentMessages from '../../../ContentMessages';
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import RateLimitedFunc from '../../../ratelimitedfunc';
-import {Action} from "../../../dispatcher/actions";
-import {containsEmoji} from "../../../effects/utils";
-import {CHAT_EFFECTS} from '../../../effects';
+import { Action } from "../../../dispatcher/actions";
+import { containsEmoji } from "../../../effects/utils";
+import { CHAT_EFFECTS } from '../../../effects';
 import CountlyAnalytics from "../../../CountlyAnalytics";
-import {MatrixClientPeg} from "../../../MatrixClientPeg";
+import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import EMOJI_REGEX from 'emojibase-regex';
-import {getKeyBindingsManager, MessageComposerAction} from '../../../KeyBindingsManager';
-import {replaceableComponent} from "../../../utils/replaceableComponent";
+import { getKeyBindingsManager, MessageComposerAction } from '../../../KeyBindingsManager';
+import { replaceableComponent } from "../../../utils/replaceableComponent";
 import SettingsStore from '../../../settings/SettingsStore';
 
 function addReplyToMessageContent(content, repliedToEvent, permalinkCreator) {
diff --git a/src/editor/model.ts b/src/editor/model.ts
index c57e06c657..7925a43164 100644
--- a/src/editor/model.ts
+++ b/src/editor/model.ts
@@ -15,13 +15,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {diffAtCaret, diffDeletion, IDiff} from "./diff";
-import DocumentPosition, {IPosition} from "./position";
+import { diffAtCaret, diffDeletion, IDiff } from "./diff";
+import DocumentPosition, { IPosition } from "./position";
 import Range from "./range";
-import {SerializedPart, Part, PartCreator} from "./parts";
-import AutocompleteWrapperModel, {ICallback} from "./autocomplete";
+import { SerializedPart, Part, PartCreator } from "./parts";
+import AutocompleteWrapperModel, { ICallback } from "./autocomplete";
 import DocumentOffset from "./offset";
-import {Caret} from "./caret";
+import { Caret } from "./caret";
 
 /**
  * @callback ModelCallback