Begin extended implementation

src/utils/exportUtils/exportUtils.ts

@@ -1,4 +1,4 @@
-import { Room } from 'matrix-js-sdk/src/models/room';
+import { Room } from "matrix-js-sdk/src/models/room";
 import HTMLExporter from "./HtmlExport";
 
 export enum exportFormats {
@@ -7,14 +7,21 @@ export enum exportFormats {
     LOGS = "LOGS",
 }
 
-export enum exportOptions {
+export enum exportTypes {
     TIMELINE = "TIMELINE",
+    BEGINNING = "BEGINNING",
+    LAST_N_MESSAGES = "LAST_N_MESSAGES",
 }
 
-const exportConversationalHistory = async (room: Room, format: string, options) => {
+const exportConversationalHistory = async (
+    room: Room,
+    format: string,
+    exportType: exportTypes,
+    numberOfEvents?: number,
+) => {
     switch (format) {
         case exportFormats.HTML:
-            await new HTMLExporter(room).export();
+            await new HTMLExporter(room, exportType, numberOfEvents).export();
             break;
         case exportFormats.JSON:
             break;