import { createModel } from "xstate/lib/model";

const counterModel = createModel(
  {
    count: 1,
  },
  {
    events: {
      INCREMENT: (by: number) => ({ by }),
    },
  }
);

const counterMachine = counterModel.createMachine({
  id: "counter",
  context: counterModel.initialContext,
  on: {
    INCREMENT: {
      actions: counterModel.assign({
        count: (context, event) => context.count + event.by,
      }),
    },
  },
});