Facebook History Chat Dump Order

fb-history-order.js

let divDateMap = new Map;

let divIterator = document.evaluate("/html/body/div/div/div/div[2]/div[2]/div", document);

let messageNode = divIterator.iterateNext();

while (messageNode) {
    let dateNodeIterator = document.evaluate("div[3]", messageNode);

    let dateNode = dateNodeIterator.iterateNext();

    if (dateNode === null) {
        messageNode = divIterator.iterateNext();
        continue;
    }

    let date = Date.parse(dateNode.textContent);

    divDateMap.set(date, messageNode);

    messageNode = divIterator.iterateNext();
}

let divDateMapOrdered = new Map([...divDateMap.entries()].sort());

let mainIterator = document.evaluate("/html/body/div/div/div/div[2]/div[2]", document);

let main = mainIterator.iterateNext();

main.innerHTML = "";

for (let [key, value] of divDateMapOrdered) {
    main.appendChild(value);
}