fetch请求封装

request 请求封装

const parseJSON = (response) => {
  const json = response.json();
  return json;
};

const checkStatus = (response) => {
  if (response.status >= 200 && response.status < 300) {
    return response;
  }
  const error = new Error(response.statusText);
  error.response = response;
  throw error;
};

export default function request(url, options) {
  return fetch(url, options)
    .then(checkStatus)
    .then(parseJSON)
    .then(data => data)
    .catch(err => ({ err }));
}