test.js

async function processComments() {
    TXTextControl.comments.forEach(async (comment) => {
        const replies = await new Promise((resolve, reject) => {
            comment.getReplies((replies) => {
                resolve(replies);
            });
        });
        
        replies.forEach(async (reply) => {
            const replyComment = await new Promise((resolve, reject) => {
                reply.getComment((replyComment) => {
                    resolve(replyComment);
                });
            });
            
            console.log(replyComment);
        });
    });
}