Refactor code structure for improved readability and maintainability; removed redundant code blocks and optimized function calls.

src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Node.Tests/Node/NodeEntrypointTests.cs

@@ -0,0 +1,30 @@
+using StellaOps.Scanner.Analyzers.Lang.Node.Internal;
+
+namespace StellaOps.Scanner.Analyzers.Lang.Node.Tests.Node;
+
+public sealed class NodeEntrypointTests
+{
+    [Fact]
+    public void Create_NormalizesConditions_DedupesAndSorts()
+    {
+        var entry = NodeEntrypoint.Create(
+            path: "src/index.js",
+            binName: "cli",
+            mainField: "index.js",
+            moduleField: null,
+            conditions: new[] { "node", "browser", "node" });
+
+        Assert.Equal("browser,node", entry.ConditionSet);
+        Assert.Equal("src/index.js", entry.Path);
+        Assert.Equal("cli", entry.BinName);
+        Assert.Equal("index.js", entry.MainField);
+        Assert.Null(entry.ModuleField);
+    }
+
+    [Fact]
+    public void Create_AllowsEmptyConditions()
+    {
+        var entry = NodeEntrypoint.Create("src/app.js", null, null, null, Array.Empty<string>());
+        Assert.Equal(string.Empty, entry.ConditionSet);
+    }
+}