Watch smithy4s and add mprocs configuration

Makefile

@@ -26,3 +26,69 @@ run-backend:
 
 run-frontend:
 	cd frontend && npm install && npm run dev
+
+export WATCHER_SCRIPT
+watch-smithy4s:
+	cd shared && \
+		echo "$$WATCHER_SCRIPT" | scala-cli run _.sc -- watch
+
+
+
+define WATCHER_SCRIPT
+
+//> using scala 3.5.2
+//> using dep "com.disneystreaming.smithy4s:smithy4s-codegen-cli_2.13:0.18.25"
+//> using dep com.lihaoyi::os-lib::0.11.3
+//> using dep com.lihaoyi::os-lib-watch::0.11.3
+
+import scala.util.*
+import util.chaining.*
+
+import smithy4s.codegen.cli.CodegenCommand
+
+var cache = Map.empty[os.Path, os.StatInfo]
+
+def collect(paths: Seq[os.Path]): Map[os.Path, os.StatInfo] = 
+	paths.map(path => path -> os.stat(path)).toMap
+
+
+def regenerate(paths: Set[os.Path]) = 
+		if paths.exists(_.ext == "smithy") then 
+			val files = 
+				os.walk(os.pwd).filter(_.ext == "smithy")
+
+			val args = 
+				files.map(_.toString) ++ 
+				List("--skip", "resource", "--skip", "openapi") ++ 
+				List("--output", (os.pwd / "generated").toString)
+
+			val incoming = collect(files)
+			if incoming != cache then 
+				val codegenArgs = CodegenCommand.command.parse(args).right.get.args
+
+				try
+					os.remove.all(os.pwd / "generated")
+					smithy4s.codegen.Codegen.generateToDisk(codegenArgs)
+					cache = incoming
+					println("OK")
+				catch case exc =>
+					println("Failed to generate spec")
+					println(exc.getMessage())
+			else 
+				println("Skipping generation")
+
+val files = 
+	os.walk(os.pwd).filter(_.ext == "smithy")
+
+args.headOption match
+	case Some("watch") => 
+		regenerate(files.toSet)
+		os.watch.watch(Seq(os.pwd), regenerate)
+		while(true) do Thread.sleep(1000)
+	case Some("generate") => 
+		regenerate(files.toSet)
+	case _ => 
+		println("pass either watch or generate")
+		sys.exit(1)
+
+endef

mprocs.yaml

@@ -0,0 +1,6 @@
+procs:
+  backend:
+    shell: "make run-backend"
+  frontend:
+    shell: "make run-frontend"
+  smithy4s: "make watch-smithy4s"

shared/fullstack_scala/protocol/TestService.scala → shared/generated/fullstack_scala/protocol/TestService.scala

@@ -17,7 +17,7 @@ trait TestServiceGen[F[_, _, _, _, _]] {
   def listTests(): F[Unit, Nothing, ListTestsOutput, Nothing, Nothing]
   def createTest(attributes: TestAttributes): F[CreateTestInput, Nothing, CreateTestOutput, Nothing, Nothing]
 
-  def transform: Transformation.PartiallyApplied[TestServiceGen[F]] = Transformation.of[TestServiceGen[F]](this)
+  final def transform: Transformation.PartiallyApplied[TestServiceGen[F]] = Transformation.of[TestServiceGen[F]](this)
 }
 
 object TestServiceGen extends Service.Mixin[TestServiceGen, TestServiceOperation] {
@@ -36,7 +36,7 @@ object TestServiceGen extends Service.Mixin[TestServiceGen, TestServiceOperation
     type Default[F[+_, +_]] = Constant[smithy4s.kinds.stubs.Kind2[F]#toKind5]
   }
 
-  val endpoints: Vector[smithy4s.Endpoint[TestServiceOperation, ?, ?, ?, ?, ?]] = Vector(
+  val endpoints: Vector[smithy4s.Endpoint[TestServiceOperation, _, _, _, _, _]] = Vector(
     TestServiceOperation.ListTests,
     TestServiceOperation.CreateTest,
   )

shared/fullstack_scala/protocol/package.scala → shared/generated/fullstack_scala/protocol/package.scala

@@ -4,9 +4,9 @@ package object protocol {
   type TestService[F[_]] = smithy4s.kinds.FunctorAlgebra[TestServiceGen, F]
   val TestService = TestServiceGen
 
-  type TestTitle = fullstack_scala.protocol.TestTitle.Type
   type TestDescription = fullstack_scala.protocol.TestDescription.Type
   type TestId = fullstack_scala.protocol.TestId.Type
+  type TestTitle = fullstack_scala.protocol.TestTitle.Type
   type Tests = fullstack_scala.protocol.Tests.Type
 
 }

shared/protocol.smithy

@@ -7,6 +7,7 @@ use alloy#uuidFormat
 
 @simpleRestJson
 service TestService {
+
   version: "1.0.0",
   operations: [ListTests, CreateTest]
 }
@@ -23,7 +24,6 @@ operation ListTests {
 @idempotent
 @http(method: "PUT", uri: "/api/test", code: 200)
 operation CreateTest {
-
   input := {
     @required
     attributes: TestAttributes