Remove matrix-events-sdk dependency (#31398)

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

src/utils/DMRoomMap.ts

@@ -10,7 +10,6 @@ import { uniq } from "lodash";
 import { type Room, type MatrixEvent, EventType, ClientEvent, type MatrixClient } from "matrix-js-sdk/src/matrix";
 import { KnownMembership } from "matrix-js-sdk/src/types";
 import { logger } from "matrix-js-sdk/src/logger";
-import { type Optional } from "matrix-events-sdk";
 
 import { filterValidMDirect } from "./dm/filterValidMDirect";
 
@@ -170,7 +169,7 @@ export default class DMRoomMap {
         return joinedRooms[0];
     }
 
-    public getUserIdForRoomId(roomId: string): Optional<string> {
+    public getUserIdForRoomId(roomId: string): string | undefined {
         if (this.roomToUser == null) {
             // we lazily populate roomToUser so you can use
             // this class just to call getDMRoomsForUserId

src/utils/MessageDiffUtils.tsx

@@ -27,7 +27,7 @@ function getSanitizedHtmlBody(content: IContent): string {
         stripReplyFallback: true,
     };
     if (content.format === "org.matrix.custom.html") {
-        return bodyToHtml(content, null, opts);
+        return bodyToHtml(content, undefined, opts);
     } else {
         // convert the string to something that can be safely
         // embedded in an html document, e.g. use html entities where needed
@@ -37,7 +37,7 @@ function getSanitizedHtmlBody(content: IContent): string {
         // as opposed to bodyToHtml, here we also render
         // text messages with dangerouslySetInnerHTML, to unify
         // the code paths and because we need html to show differences
-        return textToHtml(bodyToHtml(content, null, opts));
+        return textToHtml(bodyToHtml(content, undefined, opts));
     }
 }
 

src/utils/dm/startDm.ts

@@ -7,7 +7,6 @@ Please see LICENSE files in the repository root for full details.
 */
 
 import { type IInvite3PID, type MatrixClient, type Room } from "matrix-js-sdk/src/matrix";
-import { type Optional } from "matrix-events-sdk";
 
 import { Action } from "../../dispatcher/actions";
 import { type ViewRoomPayload } from "../../dispatcher/payloads/ViewRoomPayload";
@@ -28,7 +27,7 @@ export async function startDm(client: MatrixClient, targets: Member[], showSpinn
     const targetIds = targets.map((t) => t.userId);
 
     // Check if there is already a DM with these people and reuse it if possible.
-    let existingRoom: Optional<Room>;
+    let existingRoom: Room | undefined;
     if (targetIds.length === 1) {
         existingRoom = findDMForUser(client, targetIds[0]);
     } else {