vue axios set header before all queries

gistfile1.txt

window.axios.interceptors.request.use(
    config => {

      /*
      const token = localStorage.getItem('token');

      if (token) {
        console.log(token);
        config.headers.Authorization = `Bearer ${token}`;
      } else {
        config.headers.Authorization = '';
      }
      */
      //config.headers['X-CSRF-TOKEN'] = $('meta[name="csrf-token"]').attr('content');

      return config;
    },
    error => Promise.reject(error)
  );