Show-Hide issues like selected issue in Backlog View - Jira Next-Gen - Chrome Bookmark

Show-Hide issues like selected issue in Backlog View - Jira Next-Gen - Chrome Bookmark.js

// Copy and paste to a chrome bookmark on the URL field (chrome automatically joins line breaks)

// OBS: Issues are usually either in state closed / not closed. 
//      Based on currently selected issue, show/hide all other issues in similar state.

javascript:(function(){
    
$ = document.querySelectorAll.bind(document);

function GetQueryStringParams(sParam)
{
    var sPageURL = window.location.search.substring(1);
    var sURLVariables = sPageURL.split('&');
    for (var i = 0; i < sURLVariables.length; i++)
    {
        var sParameterName = sURLVariables[i].split('=');
        if (sParameterName[0] == sParam)
        {
            return sParameterName[1];
        }
    }
}

elemA = document.evaluate("//a[text()='" + GetQueryStringParams('selectedIssue') + "']", document).iterateNext();
if (!elemA) { return; }

selectedClass = elemA.getAttribute("class").split(' ')[1];
if (!selectedClass) { return; }

$("." +  selectedClass).forEach(function(elem) {
	if (!elem.parentElement.parentElement.style.visibility) {
        elem.parentElement.parentElement.style.height = "1px";
        elem.parentElement.parentElement.style.visibility = "hidden";
        return;
    }
    elem.parentElement.parentElement.style.height = "";
    elem.parentElement.parentElement.style.visibility = "";
});

}) ()