// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using System.Collections.ObjectModel;
using Microsoft.VisualStudio.Text.Projection;

namespace Microsoft.VisualStudio.Text
{
    internal static class BufferGraphExtensions
    {
        public static Collection<ITextBuffer> GetRazorBuffers(this IBufferGraph bufferGraph)
        {
            if (bufferGraph == null)
            {
                throw new ArgumentNullException(nameof(bufferGraph));
            }

            return bufferGraph.GetTextBuffers(TextBufferExtensions.IsRazorBuffer);
        }
    }
}