hk-bus-eta/esm/gmb.js

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

import { isSafari } from "./utils";
export default function fetchEtas({ gtfsId, stopId, bound, seq, }) {
    return fetch(`https://data.etagmb.gov.hk/eta/route-stop/${gtfsId}/${stopId}`, {
        cache: isSafari ? "default" : "no-store",
    })
        .then((response) => response.json())
        .then(({ data }) => data
        .filter(({ route_seq }) => (bound === "O" && route_seq === 1) ||
        (bound === "I" && route_seq === 2))
        .filter(({ stop_seq }) => stop_seq === seq + 1)
        .reduce((acc, { enabled, eta, description_tc, description_en }) => [
        ...acc,
        ...(enabled
            ? eta.map((data) => {
                var _a, _b;
                return {
                    eta: data.timestamp,
                    remark: {
                        zh: (_a = data.remarks_tc) !== null && _a !== void 0 ? _a : "",
                        en: (_b = data.remarks_en) !== null && _b !== void 0 ? _b : "",
                    },
                    dest: {
                        zh: "",
                        en: "",
                    },
                    co: "gmb",
                };
            })
            : [
                {
                    eta: "",
                    remark: {
                        zh: description_tc !== null && description_tc !== void 0 ? description_tc : "",
                        en: description_en !== null && description_en !== void 0 ? description_en : "",
                    },
                    dest: {
                        zh: "",
                        en: "",
                    },
                    co: "gmb",
                },
            ]),
    ], []));
}
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