Function url

packages/ast/parse/linen/spec-helpers/index.js:41–49

(value)

}

function url(value) {
  if (value.startsWith('[') && value.endsWith(')')) {
    const title = value.substring(1, value.indexOf(']'));
    const url = value.substring(value.indexOf('(') + 1, value.lastIndexOf(')'));
    return { type: 'url', url, value: url, source: value, title: title };
  }
  const [url, title] = value.split('|');
  return { type: 'url', url, value: url, source: value, title: title || url };
}

function quote(children) {
  return {