hk-bus-eta/esm/mtr.js

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

import { isSafari } from "./utils";
export default function fetchEtas({ stopId, route, bound, stopList, }) {
    return fetch(`https://rt.data.gov.hk/v1/transport/mtr/getSchedule.php?line=${route}&sta=${stopId}`, {
        cache: isSafari ? "default" : "no-store",
    })
        .catch(() => (fetch(`https://mtr.hkbus.app/?line=${route}&sta=${stopId}`, {
        cache: isSafari ? "default" : "no-store",
    })))
        .then((response) => response.json())
        .then(({ data, message, status, url }) => {
        if (status === 0) {
            if (message && typeof message === "string") {
                const message2 = message
                    .replace("Please click here for more information.", "")
                    .trim();
                return [
                    {
                        eta: null,
                        remark: {
                            zh: message2,
                            en: message2,
                        },
                        dest: {
                            zh: "",
                            en: "",
                        },
                        co: "mtr",
                    },
                ];
            }
            return [];
        }
        return data[`${route}-${stopId}`][bound.endsWith("UT") ? "UP" : "DOWN"].reduce((acc, { time, plat, dest }) => [
            ...acc,
            {
                eta: time.replace(" ", "T") + "+08:00",
                remark: {
                    zh: `${plat}號月台`,
                    en: `Platform ${plat}`,
                },
                dest: {
                    zh: stopList[dest].name.zh,
                    en: stopList[dest].name.en,
                },
                co: "mtr",
            },
        ], []);
    });
}
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