const CODE_KEY = 'WECHAT_CODE'


export function setCode(code){
  window.localStorage.setItem(CODE_KEY,code || '')
}

export function getCode(){
  return window.localStorage.getItem(CODE_KEY) || ''
}

export function removeCode(){
  return window.localStorage.removeItem(CODE_KEY)
}

export function getParameterByName(name) {
  var url = window.location.href;
  name = name.replace(/[\[\]]/g, '\\$&');
  var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)');
  var results = regex.exec(url);
  if (!results) return null;
  if (!results[2]) return '';
  return decodeURIComponent(results[2].replace(/\+/g, ' '));
}