feat(SW-251): type assertion

app/[lang]/(live)/(public)/hotelreservation/select-hotel/page.tsx

@@ -1,5 +1,4 @@
 import { serverClient } from "@/lib/trpc/server"
-import { notFound } from "@/server/errors/next"
 
 import HotelCardListing from "@/components/HotelReservation/HotelCardListing"
 import HotelFilter from "@/components/HotelReservation/SelectHotel/HotelFilter"
@@ -24,7 +23,7 @@ async function getAvailableHotels({
   promotionCode,
   attachedProfileId,
   reservationProfileType,
-}: AvailabilityInput): Promise<HotelData[] | null> {
+}: AvailabilityInput): Promise<HotelData[]> {
   const getAvailableHotels = await serverClient().hotel.availability.get({
     cityId: cityId,
     roomStayStartDate: roomStayStartDate,
@@ -36,7 +35,7 @@ async function getAvailableHotels({
     reservationProfileType: reservationProfileType,
   })
 
-  if (!getAvailableHotels) return null
+  if (!getAvailableHotels) throw new Error()
 
   const { availability } = getAvailableHotels
 
@@ -46,8 +45,10 @@ async function getAvailableHotels({
       language: getLang(),
     })
 
+    if (!hotelData) throw new Error()
+
     return {
-      hotelData: hotelData?.data.attributes,
+      hotelData: hotelData.data.attributes,
       price: hotel.bestPricePerNight,
     }
   })
@@ -70,12 +71,9 @@ export default async function SelectHotelPage({
     adults: 1,
   })
 
-  if (!hotels) return null
-  if (hotels.some((item) => item?.hotelData === undefined)) return notFound()
+  const filters = hotels.flatMap((data) => data.hotelData.detailedFacilities)
 
-  const filters = hotels.flatMap((data) => data.hotelData?.detailedFacilities)
-
-  const filterId = [...new Set(filters.map((data) => data?.id))]
+  const filterId = [...new Set(filters.map((data) => data.id))]
   const filterList: {
     name: string
     id: number
@@ -86,7 +84,7 @@ export default async function SelectHotelPage({
     code?: string
     iconName?: string
   }[] = filterId
-    .map((data) => filters.find((find) => find?.id === data))
+    .map((data) => filters.find((find) => find.id === data))
     .filter(
       (
         filter