Merge pull request #45 from http4s/flake

Adopt common scalafmt rules and add flake

.envrc

@@ -0,0 +1,3 @@
+use flake
+layout node
+eval "$shellHook" 

.gitignore

@@ -23,3 +23,4 @@ metals.sbt
 
 # npm
 node_modules/
+.direnv/

.scalafmt.conf

@@ -26,6 +26,12 @@ rewrite.sortModifiers.order = [
 
 rewrite.trailingCommas.style = multiple
 
+project.excludeFilters = [
+   "scalafix/*",
+   "scalafix-internal/input/*",
+   "scalafix-internal/output/*"
+]
+
 runner.dialect = scala212
 
 fileOverride {

boopickle/src/main/scala/org/http4s/booPickle/instances/BooPickleInstances.scala

@@ -30,8 +30,8 @@ import java.nio.ByteBuffer
 import scala.util.Failure
 import scala.util.Success
 
-/** Generic factories for http4s encoders/decoders for boopickle
-  * Note that the media type is set for application/octet-stream
+/** Generic factories for http4s encoders/decoders for boopickle Note that the media type is set
+  * for application/octet-stream
   */
 trait BooPickleInstances {
   private def booDecoderByteBuffer[F[_]: Concurrent, A](
@@ -57,8 +57,6 @@ trait BooPickleInstances {
     */
   def booEncoderOf[F[_], A: Pickler]: EntityEncoder[F, A] =
     chunkEncoder[F]
-      .contramap[A] { v =>
-        Chunk.ByteBuffer(Pickle.intoBytes(v))
-      }
+      .contramap[A](v => Chunk.ByteBuffer(Pickle.intoBytes(v)))
       .withContentType(`Content-Type`(MediaType.application.`octet-stream`))
 }

boopickle/src/test/scala/org/http4s/booPickle/BoopickleSuite.scala

@@ -62,7 +62,10 @@ class BoopickleSuite extends CatsEffectSuite with ScalaCheckSuite {
   }
 
   implicit val fruitPickler: Pickler[Fruit] =
-    compositePickler[Fruit].addConcreteType[Banana].addConcreteType[Kiwi].addConcreteType[Carambola]
+    compositePickler[Fruit]
+      .addConcreteType[Banana]
+      .addConcreteType[Kiwi]
+      .addConcreteType[Carambola]
 
   implicit val encoder: EntityEncoder[IO, Fruit] = booEncoderOf[IO, Fruit]
   implicit val decoder: EntityDecoder[IO, Fruit] = booOf[IO, Fruit]
@@ -91,8 +94,8 @@ class BoopickleSuite extends CatsEffectSuite with ScalaCheckSuite {
   }
 
   test("decode a class from a boopickle decoder") {
-    val result = booOf[IO, Fruit]
-      .decode(Request[IO]().withEntity(Banana(10.0): Fruit), strict = true)
+    val result =
+      booOf[IO, Fruit].decode(Request[IO]().withEntity(Banana(10.0): Fruit), strict = true)
     result.value.map(assertEquals(_, Right(Banana(10.0))))
   }
 

flake.nix

@@ -0,0 +1,28 @@
+{
+  inputs = {
+    typelevel-nix.url = "github:typelevel/typelevel-nix";
+    nixpkgs.follows = "typelevel-nix/nixpkgs";
+    flake-utils.follows = "typelevel-nix/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, typelevel-nix }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ typelevel-nix.overlay ];
+        };
+      in
+      {
+        devShell = pkgs.devshell.mkShell {
+          imports = [ typelevel-nix.typelevelShell ];
+          name = "http4s-boopickle";
+          typelevelShell = {
+            jdk.package = pkgs.jdk17;
+            nodejs.enable = true;
+            nodejs.package = pkgs.nodejs;
+          };
+        };
+      }
+    );
+}