parcels.map((parcel) => { const [warehouse] = cacheContainer.warehousesByMerchantId.get(Number(parcel.merchantId)) || []; const pickupRegion = cacheContainer.pickupRegionsByGeoId.get(warehouse.geoId); return getPickupFromParcel({ warehouse, pickupRegion }); }
The function getPickupFromParcel takes two arguments warehouse and pickupRegion and returns a value.