Minecraft-Realms-Emulator/Panel/wwwroot/js/serverLogsStream.js

window.serverLogsStream = {
    start: (dotNetObject, serverId) => {
        const logs = new EventSource(`http://localhost:8080/api/admin/servers/${serverId}/logs`, { withCredentials: true });

        logs.onmessage = event => {
            dotNetObject.invokeMethodAsync("ReceiveLog", event.data);
        }
    }
}