Initial commit.

Packages/Infrastructure/Sources/Public/Extensions/RouterMethods+RouteCollections.swift

@@ -0,0 +1,32 @@
+import Hummingbird
+
+public extension RouterMethods {
+
+    // MARK: Methods
+    
+    /// Adds the routes of ``RouterController`` values to the router using the ``RouteCollectionBuilder`` result builder.
+    ///
+    /// Mirrors `addMiddleware`, letting controllers be listed declaratively:
+    ///
+    /// ```swift
+    /// router.addController {
+    ///     RootController<AppRequestContext>()
+    ///     HealthController<AppRequestContext>()
+    /// }
+    /// ```
+    ///
+    /// Each controller's route collection is added at the router's root, exactly as a sequence of `addRoutes(_:)` calls would.
+    /// - Parameter build: the controller stack result builder.
+    /// - Returns: the router, so calls can be chained.
+    @discardableResult
+    func addController(
+        @RouteCollectionBuilder<Context> _ build: () -> [RouteCollection<Context>]
+    ) -> Self {
+        for collection in build() {
+            addRoutes(collection)
+        }
+
+        return self
+    }
+
+}