Webhook Data from Gatsby Cloud

gatsby-node.js

exports.sourceNodes = async function sourceNodes({ actions, webhookBody }) {
  /*
   * Note: this is the webhook body that is passed from
   * your CMS -> Gatsby Preview -> this function
   * It will be a JS object, and you can use this data to "get consistent"
   * with the remote CMS state
   * Note: if you have a structure for deletes/creates/updates use it here!
   */
  if (webhookBody && webhookBody.updates) {
    await Promise.all(
      webhookBody.updates.map(update => {
        // fire off requests, create/touch nodes, etc.
      })
    )
  } else {
    /*
     * Normal flow for plugin; this will be your existing source code
     */
  }
}