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

machine.js

const childMachine = Machine({
    initial : "child1",

    states : {
        child1 : {
            on : {
                CHILD : "child2",
            },
        },
        
        child2 : {
        },
    },
});

const testMachine = Machine({
    initial : "one",

    invoke : {
        id  : "child",
        src : childMachine,
        
        autoForward : true,
    },

    states : {
        one : {
            on : {
                PARENT : "two",
            },
        },

        two : {
        },
    },
});