redirect-extention-chrome/popup-func.js

const searchButton = document.getElementById('searchButton');
if (searchButton) {
    searchButton.addEventListener('click', () => {
        searchRedirect();
    })
}
const newButton = document.getElementById('newButton');
if (newButton) {
    newButton.addEventListener('click', () => {
        newRedirect();
    })
}

function searchRedirect() {
    const request = new XMLHttpRequest();
    const url = 'https://url.example.com/rest/v3/short-urls';
    request.open('GET', url);
    request.setRequestHeader('X-Api-Key', 'apikeyhere');
    request.send();
    request.onload = (e) => {
        var shortUrls = request.response
        chrome.tabs.query({active: true, lastFocusedWindow: true}, tabs => {
            let url = tabs[0].url;
            alert(shortUrls)
        });
    }
}

function newRedirect() {
    chrome.tabs.query({active: true, lastFocusedWindow: true}, tabs => {
        let currentUrl = tabs[0].url;
        const url = 'https://url.example.com/rest/v3/short-urls';
        let sendData = {
            "longUrl": currentUrl,
            "tags": ["Added by BOTv1"]
        };
        const request = new XMLHttpRequest();
        request.open('POST', url);
        request.setRequestHeader('accept', 'application/json');
        request.setRequestHeader('X-Api-Key', 'apikeyhere');
        request.setRequestHeader('Content-type', 'application/json');
        request.send(JSON.stringify(sendData));
        request.onload = (e) => {
            var responseData = request.response;
            document.getElementById("p1link").innerHTML = responseData;
        }
    });
}