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

machine.js

const parseScannedData = assign((context, event) => {
  let { json } = event;

  let isValid = Array.isArray(json);

  if (!isValid) {
    raise('SCAN_ERROR');
    return context;
  }

  return json;
});

const foo = Machine({
  id: 'scan-qr-code',
  strict: true,
  initial: 'idle',
  context: {
    intent: undefined,
    data: undefined,
  },
  states: {
    idle: {
      on: {
        SCAN: {
          target: 'scanned',
        },
      },
    },
    scanned: {
      invoke: {
        id: 'parse',
        src: parseScannedData,
        onError: {
          target: 'scanError',
        },
        onDone: {
          target: 'loginRequest',
          actions: (context, event) => {
            return {
              ...context,
              intent: event.data[0],
              data: event.data[1],
            };
          },
        },
      },
      on: {
        SCAN_ERROR: {},
      },
    },
    scanError: {
      entry: () => console.log('entered scanError'),
    },
    loginRequest: {
      entry: () => console.log('entered login request'),
    },
    addFriend: {},
  },
});