hk-bus-eta/esm/sunferry.js

Query the ETA (Estimated Time of Arrival) of HK Bus/Minibus/MTR/Lightrail

import { getUpcomingFerry, isSafari } from "./utils";
export default function fetchEtas({ route, seq, freq, holidays, serviceDayMap, }) {
    if (seq === 1)
        return Promise.resolve([]);
    return fetch(`https://www.sunferry.com.hk/eta/?route=${route}`, {
        cache: isSafari ? "default" : "no-store",
    })
        .then((response) => response.json())
        .then(({ data }) => {
        throw new Error("");
        if (!data)
            return [];
        return data.map(({ depart_time, rmk_en, rmk_tc, route_tc, route_en }) => {
            const date = new Date();
            let guess = `${date.getFullYear()}-${("0" + (date.getMonth() + 1)).slice(-2)}-${("0" + date.getDate()).slice(-2)}T${depart_time}:00+08:00`;
            if (new Date(guess) < date) {
                date.setDate(date.getDate() + 1);
                guess = `${date.getFullYear()}-${("0" + (date.getMonth() + 1)).slice(-2)}-${("0" + date.getDate()).slice(-2)}T${depart_time}:00+08:00`;
            }
            return {
                eta: guess,
                remark: {
                    zh: rmk_tc,
                    en: rmk_en,
                },
                dest: {
                    zh: route_tc.split(" - ")[1],
                    en: route_en.split(" - ")[1],
                },
                co: "sunferry",
            };
        });
    })
        .catch(() => {
        // the API gives CORS error, the below handling is for browser
        const now = new Date();
        return getUpcomingFerry({
            holidays,
            serviceDayMap,
            freq,
            date: new Date(),
        })
            .filter((v) => new Date(v).getTime() - now.getTime() < 180 * 60 * 1000)
            .map((eta) => ({
            eta: eta,
            remark: {
                zh: "預定班次",
                en: "Scheduled",
            },
            dest: {
                zh: "",
                en: "",
            },
            co: "sunferry",
        }));
    });
}
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