Google Fonts preview override (gs script)

gistfile1.txt

// ==UserScript==
// @name     Google Fonts preview override
// @version  1
// @grant    unsafeWindow
// @include  https://fonts.google.com/*
// ==/UserScript==


function overwrite(e, text)
{
    e.innerText = text;
    unsafeWindow.angular.element(e.parentNode).controller('gfFontPreview').onFocusContentEditable();
}

function overwrite_text()
{
    for(let e of document.querySelectorAll("gf-content-editable.font-preview-text"))
    {
      	let replacetext = 
        //"When I jump down into the depths of the gorge, keep my dog from following.";
        "I know my nemesis. And so, judging by my age, I'm no match for him.";
        //"The quick brown fox jumps over the lazy dog.";
      	if(e.innerText != replacetext && document.activeElement != e)
        {
            overwrite(e, replacetext);
        }
    }
    refresh_loop();
}



function refresh_loop()
{
    lookup_timer = setTimeout(overwrite_text, 125);
}

refresh_loop()