fetch-in-rails

fetch-rails.js

submitComment(comment) {
    const csrfToken = $('meta[name=csrf-token]').attr('content'); // Retrieve token from `csrf_meta_tags`

    return fetch(API_URL, {
      method: 'post',
      credentials: 'same-origin', // Needed. See https://github.com/github/fetch#sending-cookies
      headers: {
        'Accept': 'application/json',
        'Content-Type': 'application/json',
        'X-CSRF-Token': csrfToken,
      },
      body: JSON.stringify({comment}),
    }).then(checkStatus).then(parseJSON);
  },