From 35a8a0b3e5301e8072530a8dc6b3db22a3460103 Mon Sep 17 00:00:00 2001
From: Serhii Slepokurov <serhii@slepokurov.com>
Date: Fri, 9 Jun 2023 16:20:27 +0300
Subject: [PATCH] Add support for check if mime type is valid bool
 IsValidMimeType(string mimeType)

---
 src/MimeTypes/MimeTypeFunctions.ttinclude | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/MimeTypes/MimeTypeFunctions.ttinclude b/src/MimeTypes/MimeTypeFunctions.ttinclude
index 3ee02d2..eec1d84 100644
--- a/src/MimeTypes/MimeTypeFunctions.ttinclude
+++ b/src/MimeTypes/MimeTypeFunctions.ttinclude
@@ -108,6 +108,22 @@ namespace $rootnamespace$
                 .Select(keyPair => keyPair.Key);
         }
 
+        /// <summary>
+        /// Attempts to validate MIME-type.
+        /// </summary>
+        /// <param name="mimeType">The name of the MIME-type</param>
+        /// <returns><c>true</c> if a MIME-type was found, <c>false</c> otherwise</returns>
+        public static bool IsValidMimeType(string mimeType)
+        {
+            if (mimeType is null)
+            {
+                throw new ArgumentNullException(nameof(mimeType));
+            }
+
+            return s_typeMap
+                .Any(keyPair => string.Equals(keyPair.Value, mimeType, StringComparison.OrdinalIgnoreCase));
+        }
+
         /// <summary>
         /// Tries to get the MIME-type for the given file name.
         /// </summary>