minor refactoring

adamralph · Sep 13, 2019 · 659b8f6 · 659b8f6
1 parent a4bc6a0
commit 659b8f6
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Showing 2 changed files with 18 additions and 4 deletions.
diff --git a/MinVer.Lib/NullLogger.cs b/MinVer.Lib/NullLogger.cs
@@ -0,0 +1,17 @@
+namespace MinVer.Lib
+{
+    internal class NullLogger : ILogger
+    {
+        public bool IsTraceEnabled => false;
+
+        public bool IsDebugEnabled => false;
+
+        public void Debug(string message) { }
+
+        public void Info(string message) { }
+
+        public void Trace(string message) { }
+
+        public void Warn(int code, string message) { }
+    }
+}
diff --git a/MinVer.Lib/Versioner.cs b/MinVer.Lib/Versioner.cs
@@ -4,10 +4,7 @@ public static class Versioner
     {
         public static Version GetVersion(string repoOrWorkDir, string tagPrefix, MajorMinor minMajorMinor, string buildMeta, VersionPart autoIncrement, string defaultPreReleasePhase, ILogger log)
         {
-            if (log == null)
-            {
-                throw new System.ArgumentNullException(nameof(log));
-            }
+            log = log ?? new NullLogger();
 
             defaultPreReleasePhase = string.IsNullOrEmpty(defaultPreReleasePhase)
                 ? "alpha"