Javascript bookmarklet to calculate sprint sizings for issues on GitHub. Assumes sizes are defined by labels in the format 'size <size>'

github-sprint-size-calculator

javascript:(function(){
	var sizeStringPrefix = "size ",
		size = 0;
		milestoneTitle = "";
		
	jQuery(".issue-milestone .css-truncate-target").each(function() {
		var thisMilestone = $(this).text().trim();
		if (milestoneTitle.indexOf(thisMilestone) == -1) {
			milestoneTitle += " " + thisMilestone;
		}
	});
	milestoneTitle.trim();
	
	jQuery(".labels a[aria-label^='View all "+sizeStringPrefix+"']").each(function() {
		var data = $(this).text();
		var thisSize = data.substring(sizeStringPrefix.length);
		size += parseFloat(thisSize);
	});
	
	var paginationSize = jQuery(".pagination a").length;
	var paginationWarning = (paginationSize > 0) ? "WARNING: There is more than 1 page, the sprint size is probably too big.\n\n" : "";
	alert(paginationWarning+"total sizing for " + milestoneTitle + " is:  " + size);
}());