import mapsheets from './assets/images/mapsheets.svg'; import counters from './assets/images/counters.svg'; const files = { 'mapsheets.svg': mapsheets, 'counters.svg': counters } document.querySelectorAll('use[data-href*=".svg"').forEach(el => { const [filename] = el.dataset.href.match(/.+\.svg/g) , href = el.dataset.href.replace(filename, files[filename].split('/').pop()) ; el.setAttributeNS(null, 'href', href); });