script.
(() => {
function abcjsInit() {
function abcjsFn() {
for (let abcContainer of document.getElementsByClassName("abc-music-sheet")) {
ABCJS.renderAbc(abcContainer, abcContainer.innerHTML, {responsive: 'resize'})
}
typeof ABCJS === 'object' ? abcjsFn()
: getScript('!{url_for(theme.asset.abcjs_basic_js)}').then(abcjsFn)
window.pjax ? abcjsInit() : document.addEventListener('DOMContentLoaded', abcjsInit)
})()