import { ref } from 'vue';

function useStateMachine(initialState, machine) {
  const state = ref(initialState);
  function reducer(event) {
    const nextState = machine[state.value][event];
    return nextState ?? state.value;
  }
  const dispatch = (event) => {
    state.value = reducer(event);
  };
  return {
    state,
    dispatch
  };
}

export { useStateMachine as u };
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