@ikaru5/heimdall-controller/heimdall-controller.js

Structure your REST requests by communicating with contracts.

import ControllerBase from "./controller-base.js"

export default class HeimdallController extends ControllerBase {
  static name = "HeimdallController"

  static actions = ["csrf", "error", "transportFailed"]

  /**
   * Handling of initially received token.
   * @param {Package} receivedPackage
   */
  csrf({ receivedPackage }) {
    this._heimdall.csrfToken = receivedPackage.csrfToken
    if (undefined !== this._heimdall._afterCSRF) this._heimdall._afterCSRF()
  }

  /**
   * Default handling of transport failures (network down, server unreachable).
   * Apps typically subscribe via heimdall.onInbound or listenToAction instead.
   * @param {Package} receivedPackage
   */
  transportFailed({ receivedPackage }) {
    console.error(`Transport failed for ${receivedPackage.payload?.originalReceiver}: ${receivedPackage.payload?.message}`)
  }

  /**
   * Handling of received errors from backend.
   * @param {Package} receivedPackage
   */
  error({ receivedPackage }) {
    let error = "Backend failed to process package:"
    let payload = receivedPackage.payload
    console.log({error, payload})
  }

}