Function resolveSrcset

lib/utils.js:85–105

(baseUrl, srcset)

}

function resolveSrcset (baseUrl, srcset) {
  if (!baseUrl || !srcset || typeof srcset !== 'string') return srcset;

  var out = '';
  var start = 0;
  var depth = 0;
  var i;
  for (i = 0; i < srcset.length; i++) {
    if (srcset[i] === '(') {
      depth++;
    } else if (srcset[i] === ')' && depth) {
      depth--;
    } else if (srcset[i] === ',' && depth === 0) {
      // Do not split commas that are part of functional URL notation.
      out += resolveSrcsetCandidate(baseUrl, srcset.slice(start, i)) + ',';
      start = i + 1;
    }
  }

  return out + resolveSrcsetCandidate(baseUrl, srcset.slice(start));
}

function resolveHtmlAttributeValue (baseUrl, name, value) {
  var attrName = name.toLowerCase();