const PACKET_TYPES = Object.create(null) // no Map = no polyfill
PACKET_TYPES["open"] = "0"
PACKET_TYPES["close"] = "1"
PACKET_TYPES["ping"] = "2"
PACKET_TYPES["pong"] = "3"
PACKET_TYPES["message"] = "4"
PACKET_TYPES["upgrade"] = "5"
PACKET_TYPES["noop"] = "6"

const PACKET_TYPES_REVERSE = Object.create(null)
Object.keys(PACKET_TYPES).forEach(key => {
    PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key
})

const ERROR_PACKET = { type: "error", data: "parser error" }

export = {
    PACKET_TYPES,
    PACKET_TYPES_REVERSE,
    ERROR_PACKET
}