CreateCustomTmproTextMenu.cs

#if UNITY_EDITOR

using UnityEngine;
using UnityEditor;
using TMPro;

public static class CreateCustomTmproTextMenu
{
    // TextMeshProのデフォルトフォントから差し替えたいResources外のフォントアセットパス
    private const string FONT_PATH_TMPRO = "Assets/MyProject/NonResources/UseFont.asset";

    [MenuItem("GameObject/UI/Custom TextMeshPro - Text", false, 0)]
    private static void CreateCustomTmproText()
    {
        Transform parent = Selection.activeGameObject.transform;

        GameObject go = new GameObject("TextMeshProText");
        go.transform.SetParent(parent, false);
        TextMeshProUGUI tmproText = go.AddComponent<TextMeshProUGUI>();
        tmproText.fontSize = 24;
        tmproText.color = Color.white;
        tmproText.text = "New Text";
        tmproText.raycastTarget = false;
        tmproText.enableWordWrapping = true;
        tmproText.overflowMode = TextOverflowModes.Truncate;

        TMP_FontAsset font = AssetDatabase.LoadAssetAtPath<TMP_FontAsset>(FONT_PATH_TMPRO);
        if (font != null)
        {
            tmproText.font = font;
            tmproText.UpdateFontAsset();
            tmproText.ForceMeshUpdate();
        }

        Selection.activeGameObject = go;
    }

    [MenuItem("GameObject/UI/Custom TextMeshPro - Text", true)]
    private static bool CreateCustomTmproTextEnable()
    {
        return Selection.activeGameObject && Selection.activeGameObject.GetComponentInParent<Canvas>() != null;
    }
}

#endif