AddTextFileConvention

VerifyTests · Jan 11, 2025 · 4918a6a · 4918a6a
1 parent 05c4ce6
commit 4918a6a
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diff --git a/src/EmptyFiles/FileExtensions.cs b/src/EmptyFiles/FileExtensions.cs
@@ -81,6 +81,11 @@ public static void AddTextExtensions(IEnumerable<string> extensions)
         }
     }
 
+    public static void AddTextFileConvention(Func<string, bool> convention) =>
+        textFileConventions.Add(convention);
+
+    static List<Func<string, bool>> textFileConventions = [];
+
     //From https://github.com/sindresorhus/text-extensions/blob/master/text-extensions.json
     static IReadOnlyCollection<string> textExtensions = new HashSet<string>
         {

diff --git a/src/Tests/ExtensionsTests.cs b/src/Tests/ExtensionsTests.cs
@@ -13,13 +13,28 @@ public void IsText()
         False(FileExtensions.IsTextExtension("bin"));
 
         #endregion
+
+        #region TextViaConvention
+
+        True(FileExtensions.IsTextFile("c:/path/file.txtViaConvention"));
+
+        #endregion
     }
 
+    #region AddTextFileConvention
+    [ModuleInitializer]
+    public static void AddTextFileConvention() =>
+        // Treat files ending with .txtViaConvention as text files
+        FileExtensions.AddTextFileConvention(path => path.EndsWith(".txtViaConvention"));
+
+    #endregion
+
     [Test]
     public void IsTextLegacy()
     {
 #pragma warning disable CS0618 // Type or member is obsolete
         True(FileExtensions.IsText("file.txt"));
+        True(FileExtensions.IsText("c:/path/file.txtViaConvention"));
         False(FileExtensions.IsText("file.bin"));
         True(FileExtensions.IsText("c:/file.txt"));
         False(FileExtensions.IsText("c:/file.bin"));