Expand all pages ("Load more..." buttons) in a Github PR conversation view.

ghPRExpandAll-bookmarklet

NOTE: Doesn't work because of github CSP meta tags.

javascript:s=document.createElement('script');s.type='text/javascript';document.body.appendChild(s);s.src='https://git.io/JJTwA';void(0);

ghPRExpandAll.js

{
var tgtMutationCnt, rcvdMutationCnt;
var level = 0;

function observeMutation(mutationsList, observer) {
    ++rcvdMutationCnt;
    console.log("Received mutation count: " + rcvdMutationCnt + " target mutation count: " + tgtMutationCnt + " in level: " + level);
    if (rcvdMutationCnt == tgtMutationCnt) {
        console.log("Target mutation count achieved, checking if level: " + level + " exists");
        setTimeout(loadAll, 2000);
    }
    observer.disconnect();
}

function loadAll() {
    tgtMutationCnt = 0;
    rcvdMutationCnt = 0;
    ++level;
    var paginationButtons = document.querySelectorAll(".ajax-pagination-btn");
    if (paginationButtons.length > 0) {
        paginationButtons = Array.from(paginationButtons).filter(function(it) { 
            return it.textContent.trim() == 'Load more…';
        });
        console.log("loadAll found " + paginationButtons.length + " buttons in level: " + level);
        tgtMutationCnt += paginationButtons.length;
        paginationButtons.forEach(l => { 
            var observer = new MutationObserver(observeMutation);
            observer.observe(l, { childList: true, subtree: true });
            l.click();
        });
    }
}

loadAll();
}