GoogleMeetAPI/core/message.js at main · shaunbharat/GoogleMeetAPI · GitHub - github.com

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// Message Listener

async function messageListener(Meet) {

    async function getRecentMessage() {
        var message = await Meet.page.evaluate(() => {
            chat = document.querySelector('.z38b6').lastChild;
            return {
                author: chat.firstChild.firstChild.innerText,
                time: chat.firstChild.lastChild.innerText,
                content: chat.lastChild.lastChild.innerText
            }; // See div.html
        })
        if (message.author !== "You") {
            await Meet.emit('message', message);
            Meet.recentMessage = message;
            return message;
        }
    }

    await Meet.page.waitForSelector('.GDhqjd', { timeout: 0 }); getRecentMessage();

    await Meet.page.exposeFunction('getRecentMessage', getRecentMessage)

    await Meet.page.evaluate(() => {
        // https://stackoverflow.com/questions/47903954/how-to-inject-mutationobserver-to-puppeteer
        // https://stackoverflow.com/questions/54109078/puppeteer-wait-for-page-dom-updates-respond-to-new-items-that-are-added-after/54110446#54110446
        messageObserver = new MutationObserver(() => {getRecentMessage();});
        messageObserver.observe(document.querySelector('.z38b6'), { subtree: true, childList: true });
    });

}

module.exports = {
    messageListener: messageListener
}