Get Instagram shared data via fetching HTML (i.e. location data)

Instagram shared data.js

let __DEBUG_HTML = '';

function fetchLoc(locID){
    return fetch(`https://www.instagram.com/explore/locations/${locID}/`)
        .then(res => res.text())
        .then(txt => {
            __DEBUG_HTML = txt;
            const doc = parseInstgramExplorePage(txt);
            const sharedData = extractSharedData(doc);
            const locData = extractLocationData(sharedData);

            return locData;
        })
        .catch(e => {
            alert('Was unable to send request in current location, or there was another kind of error. Please see console.')
            console.debug(e);
        });
}

function parseInstgramExplorePage(txt) {
    const dp = new DOMParser();
    const doc = dp.parseFromString(txt, "text/html");
    return doc;
}

function extractSharedData(doc) {
    const scs = Array.from(doc.querySelectorAll('script'));
    const sharedDataRawText = scs.filter(sc => 
        sc.textContent.indexOf('_sharedData') > -1
    )[0];

    if (sharedDataRawText) {
        const sharedDataJSONText = sharedDataRawText.textContent.trim().match(/\=\ (.*);/)[1];
        let sharedData;
        try {
            sharedData = JSON.parse(sharedDataJSONText);
        } catch(e) {
            alert('Failed to parse data. See `window.__FAIL_TXT`');
            window.__FAIL_TXT = sharedDataJSONText;
        }
        return sharedData;
    }
}

function extractLocationData(sharedData) {
    if (sharedData &&
        sharedData.entry_data &&
        sharedData.entry_data.LocationsPage &&
        sharedData.entry_data.LocationsPage[0]
    ) {
        return sharedData.entry_data.LocationsPage[0];
    }
}


fetchLoc('8049032')
    .then(locData => {
        debugger;
    });

you saved my day sir. thanks