// 駅名から駅情報を取得する //stationName: 駅名 //stationList: 駅情報リスト export const getStationID = (stationName, stationList) => { const Stations = stationList.map((a) => a.filter((d) => d.StationName == stationName) ); const Station = Stations && Stations.reduce((newArray, e) => { return newArray.concat(e); }, []); if (!Station[0]) return []; return Station.map((d) => d.StationNumber)[0]; }; export const getStationName = (stationId, stationList) => { const Stations = stationList.map((a) => a.filter((d) => d.StationNumber == stationId) ); const Station = Stations && Stations.reduce((newArray, e) => { return newArray.concat(e); }, []); if (!Station[0]) return []; return Station.map((d) => d.StaitonName)[0]; };