how to make default headers in axios react native code example

Example 1: axios default headers authorization

axios.defaults.headers.common['Authorization'] = AUTH_TOKEN;

Example 2: axios defaults headers common

// Send a POST request
axios({
  method: 'post',
  url: '/user/12345',
  data: {
    firstName: 'Fred',
    lastName: 'Flintstone'
  }
});