Generated by XState Viz: https://xstate.js.org/viz

machine.js

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)
  
  const fetchMachine = Machine({
    initial: 'idle',
    states: {
      idle: {
        on: {
          INIT: 'authenticating',
        },
      },
      authenticating: {
        effect: (send, update) => {
          Promise.all([fetchScatmanUser(), fetchSpotifyUser()])
            .then(([scatmanUser, spotifyUser]) => {
              update(_ => ({ scatmanUser, spotifyUser }));
              send('DID_AUTHENTICATE');
            })
            .catch(() => {
              send('DID_NOT_AUTHENTICATE');
            });
        },
        on: {
          DID_AUTHENTICATE: 'authenticated',
          DID_NOT_AUTHENTICATE: 'unauthenticated',
        },
      },
      authenticated: {
        effect(send) {
          send('VALIDATE');
        },
        on: {
          VALIDATE: 'validating',
        },
      },
      unauthenticated: {},
      validating: {
        effect: send => {
          canMigrate().then(res => {
            switch (res) {
              case 'CAN_MIGRATE': {
                send('CAN_MIGRATE');
                return;
              }
              case 'MIGRATED': {
                send('HAS_MIGRATED');
                return;
              }
              default: {
                send('CANNOT_MIGRATE');
                return;
              }
            }
          });
        },
        on: {
          CAN_MIGRATE: 'verify',
          HAS_MIGRATED: 'redirecting',
          CANNOT_MIGRATE: 'forbidden',
        },
      },
      verify: {
        on: {
          MIGRATE: 'migrating',
        },
      },
      forbidden: {},
      migrating: {
        effect: send => {
          migrate().then(res => {
            if (res.ok) {
              send('DID_MIGRATE');
            } else {
              send('DID_NOT_MIGRATE');
            }
          });
        },
        on: {
          DID_MIGRATE: 'succeeded',
          DID_NOT_MIGRATE: 'failed',
        },
      },
      succeeded: {},
      failed: {},
      redirecting: {
        effect() {
          setTimeout(() => {
            window.location.href = 'https://sonar.spotify.com';
          }, 5000);
        },
      },
    },
  });