Exclude TextMeshPro default font asset when build

ExcludeTMPDefaultFontAssetInBuild.cs

#if UNITY_EDITOR

using System.Collections.Generic;
using System.Reflection;
using TMPro;
using UnityEditor;
using UnityEditor.Build;
using UnityEditor.Build.Reporting;

public class ExcludeTMPDefaultFontAssetInBuild : IPreprocessBuildWithReport, IPostprocessBuildWithReport
{
    public int callbackOrder => 0;

    private FieldInfo defaultFontAssetFieldInfo =
        typeof(TMP_Settings).GetField("m_defaultFontAsset", BindingFlags.Instance | BindingFlags.NonPublic);

    private TMP_FontAsset defaultFontAsset;
    private TMP_FontAsset defaultFallbackFontAsset;

    public void OnPreprocessBuild(BuildReport report)
    {
        ExcludeDefaultFontAsset();
    }

    private void ExcludeDefaultFontAsset()
    {
        var settings = TMP_Settings.instance;
        if (settings == null)
            return;
        defaultFontAsset = (TMP_FontAsset)defaultFontAssetFieldInfo.GetValue(settings);
        if (defaultFontAsset == null)
            return;

        //fallbackフォントをはがす
        //入れ子fallbackまではがさなくても大丈夫
        defaultFallbackFontAsset =  defaultFontAsset.fallbackFontAssetTable[0];
        defaultFontAsset.fallbackFontAssetTable = null;

        EditorUtility.SetDirty(settings);
    }

    public void OnPostprocessBuild(BuildReport report)
    {
        BackToEditorDefaultFontAsset();
    }

    private void BackToEditorDefaultFontAsset()
    {
        var settings = TMP_Settings.instance;
        if (settings == null || defaultFontAsset == null)
            return;
        
        //fallbackフォントをはがす
        defaultFontAsset.fallbackFontAssetTable = new List<TMP_FontAsset>() { defaultFallbackFontAsset };

        defaultFontAsset = null;
        defaultFallbackFontAsset = null;

        EditorUtility.SetDirty(settings);
        AssetDatabase.SaveAssets();
    }

}

#endif