mstickers/src/hotreload.js

let webSocket = new WebSocket(`ws://${window.location.hostname}:3001`);
webSocket.onmessage = function(e) {
    if (e.data == "RELOAD") {
        console.log("Reloading page after build")
        location.reload()
    } else if (e.data == "CONNECTED") {
        console.log("Connected to server")
    } else {
        console.warn(`unknown data received: ${e}`)
    }
};