How to push Fitbit heart data to Endomondo

index.js

require('cross-fetch/polyfill');
const ENDOMONDO = require('endomondo-api-handler');
const FITBIT = require('fitbit-api-handler');
const {
    FITBIT_CLIENT_ID,
    FITBIT_SECRET,
    FITBIT_TOKEN,
    ENDOMONDO_LOGIN,
    ENDOMONDO_PASSWORD,
    ENDOMONDO_WORKOUT_ID,
} = require('./env');

const EndomondoApi = ENDOMONDO.Api;
const EndomondoMobileApi = ENDOMONDO.MobileApi;
const FitbitApi = FITBIT.Api;
const { rewriteHeartRateData, replaceWorkout } = ENDOMONDO;
const { INTRADAY_RESOURCES } = FITBIT;

const endomondoApi = new EndomondoApi();
const endomondoMobileApi = new EndomondoMobileApi();
const fitbitApi = new FitbitApi(FITBIT_CLIENT_ID, FITBIT_SECRET);
fitbitApi.setAccessToken(FITBIT_TOKEN);

(async () => {
    await endomondoApi.login(ENDOMONDO_LOGIN, ENDOMONDO_PASSWORD);
    await endomondoMobileApi.login(ENDOMONDO_LOGIN, ENDOMONDO_PASSWORD);

    const workout = await endomondoApi.getWorkout(ENDOMONDO_WORKOUT_ID);

    if (!workout.hasGPSData()) {
        console.log('Workout does not have GPS data');
        return;
    }

    if (workout.getMaxHeartRate()) {
        console.log('Workout already have HR data');
        return;
    }

    const hrData = await fitbitApi.getIntradayData(
        INTRADAY_RESOURCES.HEART,
        workout.getStart(),
        workout.getEnd().plus({ minutes: 1 }),
        '1sec',
    );

    const rewrittenWorkout = rewriteHeartRateData(workout, hrData.sets.map((item) => {
        return {
            time: item.time,
            hr: item.value,
        };
    }));

    rewrittenWorkout.setAvgHeartRate(hrData.total);

    await replaceWorkout(rewrittenWorkout, endomondoApi, endomondoMobileApi);

    console.log(rewrittenWorkout.toString());
})();