view data fixes

apps/website/lib/builders/view-data/TeamsViewDataBuilder.ts

@@ -6,13 +6,15 @@ import type { TeamSummaryData, TeamsViewData } from '@/lib/view-data/TeamsViewDa
 
 import { ViewDataBuilder } from "../../contracts/builders/ViewDataBuilder";
 
-export class TeamsViewDataBuilder implements ViewDataBuilder<any, any> {
-  build(input: any): any {
-    return TeamsViewDataBuilder.build(input);
-  }
-
-  static build(apiDto: GetAllTeamsOutputDTO): TeamsViewData {
-    const teams: TeamSummaryData[] = apiDto.teams.map((team: TeamListItemDTO): TeamSummaryData => ({
+export class TeamsViewDataBuilder {
+  /**
+   * Transform API DTO to ViewData
+   * 
+   * @param apiDto - The DTO from the service
+   * @returns ViewData for the teams page
+   */
+  public static build(apiDto: GetAllTeamsOutputDTO): TeamsViewData {
+    const teams: TeamSummaryData[] = (apiDto.teams || []).map((team: TeamListItemDTO): TeamSummaryData => ({
       teamId: team.id,
       teamName: team.name,
       memberCount: team.memberCount,
@@ -32,3 +34,5 @@ export class TeamsViewDataBuilder implements ViewDataBuilder<any, any> {
     return { teams };
   }
 }
+
+TeamsViewDataBuilder satisfies ViewDataBuilder<GetAllTeamsOutputDTO, TeamsViewData>;