device.js

eventDevice = []
function callEvent(idDevice, idTable) {
    if (eventDevice.some(d => d.idDevice === idDevice && d.state === 'A')) {
        // caso B
        eventDevice = eventDevice.filter(d => d.idDevice === idDevice).map(m => {
            m.state = 'B'
            return m
        })
    }
    else if (eventDevice.some(d => d.idDevice === idDevice && d.state === 'B')) {
        // caso C
        eventDevice = eventDevice.filter(d => d.idDevice !== idDevice)
    }
    else {
        // caso A
        eventDevice = eventDevice.concat({ idDevice, state: 'A', idTable })
    }
    console.log(JSON.stringify(eventDevice));
}

callEvent("111","000")