OMS.NET/Common/JsonArrayExtensions.cs

using System.Text.Json;
using System.Text.Json.Nodes;

namespace OMS.NET.Common
{
    public static class Extensions
    {
        public static int FindElementIndex(this JsonArray jsonArray, long elementToFind)
        {
            for (int i = 0; i < jsonArray.Count; i++)
            {
                JsonNode node = jsonArray.ElementAt(i)!;
                if (node.GetValueKind() == JsonValueKind.Number &&
                node.GetValue<long>() == elementToFind)
                {
                    return i;
                }
            }
            return -1; // 未找到目标元素，返回 -1
        }

        public static void RemoveAll(this JsonArray jsonArray, Func<JsonNode?, bool> predicate)
        {
            var itemsToRemove = jsonArray.Where(predicate).ToList();
            foreach (var item in itemsToRemove)
            {
                jsonArray.Remove(item);
            }
        }
    }
}