Restructure solution layout by module

src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.Lang.Node/NodeLanguageAnalyzer.cs

@@ -0,0 +1,37 @@
+using StellaOps.Scanner.Analyzers.Lang.Node.Internal;
+
+namespace StellaOps.Scanner.Analyzers.Lang.Node;
+
+public sealed class NodeLanguageAnalyzer : ILanguageAnalyzer
+{
+    public string Id => "node";
+
+    public string DisplayName => "Node.js Analyzer";
+
+    public async ValueTask AnalyzeAsync(LanguageAnalyzerContext context, LanguageComponentWriter writer, CancellationToken cancellationToken)
+    {
+        ArgumentNullException.ThrowIfNull(context);
+        ArgumentNullException.ThrowIfNull(writer);
+
+        var lockData = await NodeLockData.LoadAsync(context.RootPath, cancellationToken).ConfigureAwait(false);
+        var packages = NodePackageCollector.CollectPackages(context, lockData, cancellationToken);
+
+        foreach (var package in packages.OrderBy(static p => p.ComponentKey, StringComparer.Ordinal))
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var metadata = package.CreateMetadata();
+            var evidence = package.CreateEvidence();
+
+            writer.AddFromPurl(
+                analyzerId: Id,
+                purl: package.Purl,
+                name: package.Name,
+                version: package.Version,
+                type: "npm",
+                metadata: metadata,
+                evidence: evidence,
+                usedByEntrypoint: package.IsUsedByEntrypoint);
+        }
+    }
+}