test.js

TXTextControl.addEventListener("textControlLoaded", e => {
    let idleTimeout;

    function onIdle() {
        mergeTemplate();
    }

    function resetIdleTimer() {
        clearTimeout(idleTimeout);
        idleTimeout = setTimeout(onIdle, 2000); // Set idle time to 2 seconds
    }

    // Attach event listener to TXTextControl's "changed" event
    TXTextControl.addEventListener("changed", e => {
        resetIdleTimer();
    });

    // Initialize the idle timer
    resetIdleTimer();
});

function mergeTemplate() {
    TXTextControl.saveDocument(TXTextControl.StreamType.InternalUnicodeFormat, document => {
        // call web api endpoint with ajax
        $.ajax({
            url: '/mailmerge/merge',
            type: 'POST',
            contentType: 'application/json',
            data: JSON.stringify(document.data),
            success: function (data) {
                // load the document into the viewer
                TXDocumentViewer.loadDocument(data);
            }
        });
    })
}