async function handleRequest()

in modify_headers/src/index.js [8:24]

• 8 lines of code
• 1 McCabe index (conditional complexity)

async function handleRequest(request) {
  const response = await fetch(url)

  // 仅复制返回内容的 body
  const newResponse = new Response(response.body, response)

  // 自定义增加 header
  newResponse.headers.append("custom-ER-add", "ER header")

  // 自定义删减 header
  newResponse.headers.delete("custom-ER-delete")

  // 自定义修改header
  newResponse.headers.set("custom-ER-reset", "ER header")

  return newResponse
}