6-13 提高加载性能 - 应用缓存

const cache = {
    } // 根据子应用的name来做缓存

export const parseHtml = async (entry, name) => {
    
  if (cache[name]) {
    
    return cache[name]
  }
  const html = await fetchResource(entry)

  let allScript = []
  const div = document.createElement('div')
  div.innerHTML = html

  const [dom, scriptUrl, script] = await getResources(div, entry)

  const fetchedScripts = await Promise.all(scriptUrl.map(async item => fetchResource(item)))

  allScript = script.concat(fetchedScripts)
  cache[name] = [dom, allScript]

  return [dom, allScript]
}