AssetDatabase.IsValidFolder

Parameters

Returns

bool Returns true if the folder exists.

Description

Given a path to a folder, returns true if it exists, false otherwise.

The given path is relative to the project folder.

using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

public class AssetDatabaseExamples : MonoBehaviour
{
    [MenuItem("AssetDatabase/Create Folder Structure")]
    static void CreateFolderStructure()
    {
        var folderList = new List<string> { "Animations", "Textures", "Materials", "Prefabs", "Resources", "Scripts" };

        //Check if folder exists with IsValidFolder if it doesn't create it
        foreach (var folder in folderList)
        {
            if (AssetDatabase.IsValidFolder($"Assets/{folder}")) continue;
            AssetDatabase.CreateFolder("Assets", folder);
        }
    }
}