jrshikoku/lib/getStationList.js

import 予讃線 from "../assets/四国旅客鉄道予讃線.json";
import 土讃線 from "../assets/四国旅客鉄道土讃線.json";
import 高徳線 from "../assets/四国旅客鉄道高徳線.json";
import 内子線 from "../assets/四国旅客鉄道内子線.json";
import 徳島線 from "../assets/四国旅客鉄道徳島線.json";
import 鳴門線 from "../assets/四国旅客鉄道鳴門線.json";

let status = undefined;

export const getStationList = async (props) => {
  if (status) return status;
  //駅リストイニシャライズ
  const HeaderConfig = {
    headers: {
      referer: "https://train.jr-shikoku.co.jp/sp.html",
    },
  };
  return await Promise.all([
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=yosan",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=uwajima",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=uwajima2",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=dosan",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=dosan2",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=koutoku",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=tokushima",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=naruto",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=station&arg2=between",
      HeaderConfig
    ).then((response) => response.json()),
    fetch(
      "https://train.jr-shikoku.co.jp/g?arg1=line&arg2=train_lang",
      HeaderConfig
    ).then((response) => response.json()),
  ]).then((values) => {
    let stationList = {};
    [
      stationList.予讃線,
      stationList.松宇線,
      stationList.伊予灘線,
      stationList.土讃線,
      stationList.窪川線,
      stationList.高徳線,
      stationList.徳島線,
      stationList.鳴門線,
      stationList.駅間リスト,
      stationList.日英対応表,
    ] = values;
    const concatBetweenStations = (eachRouteData) => {
      let additional = [];
      eachRouteData.forEach((routeData, routeIndex) => {
        try {
          const currentStationID = parseInt(
            routeData.StationNumber.replace(/[A-Z]/g, "")
          );
          const nextStationID = parseInt(
            eachRouteData[routeIndex + 1].StationNumber.replace(/[A-Z]/g, "")
          );
          if (nextStationID - currentStationID != 1) {
            stationList.駅間リスト.forEach((betweenList) => {
              if (
                betweenList.BetweenStation ==
                routeData.Station_JP +
                  "～" +
                  eachRouteData[routeIndex + 1].Station_JP
              ) {
                additional = additional.concat(betweenList.Datas);
              }
            });
          }
        } catch (e) {}
      });
      return eachRouteData
        .concat(additional)
        .sort((a, b) => (a.StationNumber > b.StationNumber ? 1 : -1));
    };
    const addStationPosition = (setDataBase, geoJson, EnJpList) => {
      return setDataBase.map((data) => {
        let stationName;
        if (data.hasOwnProperty("Station_JP")) stationName = data.Station_JP;
        else if (data.hasOwnProperty("StationName")) {
          stationName = data.StationName;
          data.Station_JP = data.StationName;
          data.Station_EN = EnJpList.find(
            (d) => d.Station_JP == data.Station_JP
          ).Station_EN;
        }
        geoJson.features
          .filter((d) => d.geometry.type == "Point")
          .forEach((element) => {
            if (element.properties.name == stationName) {
              data.lat = element.geometry.coordinates[1];
              data.lng = element.geometry.coordinates[0];
            }
          });
        return data;
      });
    };
    console.log(stationList.予讃線);
    stationList.予讃線 = addStationPosition(
      concatBetweenStations(stationList.予讃線),
      予讃線,
      stationList.日英対応表
    );
    stationList.松宇線 = addStationPosition(
      concatBetweenStations(stationList.松宇線),
      予讃線,
      stationList.日英対応表
    );
    stationList.伊予灘線 = addStationPosition(
      concatBetweenStations(stationList.伊予灘線),
      予讃線,
      stationList.日英対応表
    );
    stationList.土讃線 = addStationPosition(
      concatBetweenStations(stationList.土讃線),
      土讃線,
      stationList.日英対応表
    );
    stationList.窪川線 = addStationPosition(
      concatBetweenStations(stationList.窪川線),
      土讃線,
      stationList.日英対応表
    );
    stationList.高徳線 = addStationPosition(
      concatBetweenStations(stationList.高徳線),
      高徳線,
      stationList.日英対応表
    );
    stationList.徳島線 = addStationPosition(
      concatBetweenStations(stationList.徳島線),
      徳島線,
      stationList.日英対応表
    );
    stationList.鳴門線 = addStationPosition(
      concatBetweenStations(stationList.鳴門線),
      鳴門線,
      stationList.日英対応表
    );
    status = stationList;
    return stationList;
  });
};