CoroutineController.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class CoroutineController : MonoBehaviour
{

    static CoroutineController _singleton;
    static Dictionary<string,IEnumerator> _routines = new Dictionary<string,IEnumerator>(100);

    [RuntimeInitializeOnLoadMethod( RuntimeInitializeLoadType.BeforeSceneLoad )]
    static void InitializeType ()
    {
        _singleton = new GameObject($"#{nameof(CoroutineController)}").AddComponent<CoroutineController>();
        DontDestroyOnLoad( _singleton );
    }

    public static Coroutine Start ( IEnumerator routine ) => _singleton.StartCoroutine( routine );
    public static Coroutine Start ( IEnumerator routine , string id )
    {
        var coroutine = _singleton.StartCoroutine( routine );
        if( !_routines.ContainsKey(id) ) _routines.Add( id , routine );
        else
        {
            _singleton.StopCoroutine( _routines[id] );
            _routines[id] = routine;
        }
        return coroutine;
    }
    public static void Stop ( IEnumerator routine ) => _singleton.StopCoroutine( routine );
    public static void Stop ( string id )
    {
        if( _routines.TryGetValue(id,out var routine) )
        {
            _singleton.StopCoroutine( routine );
            _routines.Remove( id );
        }
        else Debug.LogWarning($"coroutine '{id}' not found");
    }
    public static void StopAll () => _singleton.StopAllCoroutines();
    
}