refactor: publish typed problem detail codes (WealthLedger/backend#117) (#144)

src/modules/investments/income/income-period.ts

@@ -8,7 +8,7 @@ import {
   utcDate,
 } from '../investment-calendar';
 
-enum IncomeErrorCode { InvalidPeriod = 'INVALID_INCOME_PERIOD' }
+export enum IncomeErrorCode { InvalidPeriod = 'INVALID_INCOME_PERIOD' }
 
 const MONDAY_WEEKDAY_INDEX = 1;
 const INCLUSIVE_DAY_OFFSET = 1;

src/modules/investments/upcoming-events/upcoming-events.service.ts

@@ -32,7 +32,7 @@ import {
   UpcomingEventsQueryDto,
 } from './upcoming-events.dto';
 
-enum EventsErrorCode { InvalidPeriod = 'INVALID_EVENTS_PERIOD' }
+export enum EventsErrorCode { InvalidPeriod = 'INVALID_EVENTS_PERIOD' }
 
 const FIRST_BATCH_OFFSET = 0;