From a127fc270a43fc895b2c1e14b7843e87900d892d Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 20 Mar 2022 05:14:10 +0000
Subject: [PATCH 01/52] Use new URLs for http4s api docs

---
 docs/fetch.md     | 2 +-
 docs/websocket.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/fetch.md b/docs/fetch.md
index dce39f75..803f10f5 100644
--- a/docs/fetch.md
+++ b/docs/fetch.md
@@ -1,6 +1,6 @@
 # Fetch Client
 
-The [`FetchClientBuilder`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/FetchClientBuilder.html) creates a standard http4s [`Client`](https://http4s.org/v0.23/api/org/http4s/client/client) that is described in the [http4s documentation](https://http4s.org/v0.23/client/).
+The [`FetchClientBuilder`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/FetchClientBuilder.html) creates a standard http4s [`Client`](https://www.javadoc.io/doc/org.http4s/http4s-docs_2.13/@HTTP4S_VERSION@/org/http4s/client/client) that is described in the [http4s documentation](https://http4s.org/v0.23/client/).
 
 ## Example
 
diff --git a/docs/websocket.md b/docs/websocket.md
index 658a0c70..42e4b7f2 100644
--- a/docs/websocket.md
+++ b/docs/websocket.md
@@ -1,6 +1,6 @@
 # WebSocket Client
 
-The [`WebSocketClient`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/WSClient$.html) creates a standard http4s [`WSClientHighLevel`](https://http4s.org/v0.23/api/org/http4s/client/client).
+The [`WebSocketClient`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/WSClient$.html) creates a standard http4s [`WSClientHighLevel`](https://www.javadoc.io/doc/org.http4s/http4s-docs_2.13/@HTTP4S_VERSION@/org/http4s/client/client).
 
 ## Example
 

From 01816bee63d1ddf90dc4b55d0b47cbb7872a61f0 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 20 Mar 2022 05:14:45 +0000
Subject: [PATCH 02/52] scala-js-dom 1.x begone!

---
 docs/index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/index.md b/docs/index.md
index 9d4596e8..e38fcf46 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -15,7 +15,7 @@ Notably, http4s-dom can also be used to create _serverless_ apps with [Cloudflar
 [![http4s-dom Scala version support](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom/latest.svg)](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom)
 
 ```scala
-// Supports http4s 0.23.x and scala-js-dom 2.x
+// Supports http4s 0.23.x
 libraryDependencies += "org.http4s" %%% "http4s-dom" % "@VERSION@"
 
 // recommended, brings in the latest client module

From 3fe538377567190bc07b62980a3dfc84ad4bada5 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 20 Mar 2022 05:41:34 +0000
Subject: [PATCH 03/52] Try out Laika's API directive

---
 build.sbt             | 17 ++++++++++++++++-
 docs/fetch.md         |  2 +-
 docs/index.md         |  1 -
 docs/serviceworker.md |  2 +-
 docs/websocket.md     |  2 +-
 5 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/build.sbt b/build.sbt
index 7d966e48..8e6e3a5e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -171,7 +171,22 @@ lazy val docs = project
       "HTTP4S_VERSION" -> http4sVersion,
       "CIRCE_VERSION" -> circeVersion
     ),
-    laikaConfig ~= { _.withRawContent },
+    laikaConfig := {
+      import laika.rewrite.link._
+      laikaConfig
+        .value
+        .withRawContent
+        .withConfigValue(LinkConfig(apiLinks = List(
+          ApiLinks(
+            baseUri =
+              s"https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/${mdocVariables.value("VERSION")}/",
+            packagePrefix = "org.http4s.dom"),
+          ApiLinks(
+            baseUri = s"https://www.javadoc.io/doc/org.http4s/http4s-docs_2.13/$http4sVersion/",
+            packagePrefix = "org.http4s"
+          )
+        )))
+    },
     tlSiteHeliumConfig ~= {
       // Actually, this *disables* auto-linking, to avoid duplicates with mdoc
       _.site.autoLinkJS()
diff --git a/docs/fetch.md b/docs/fetch.md
index 803f10f5..967f3866 100644
--- a/docs/fetch.md
+++ b/docs/fetch.md
@@ -1,6 +1,6 @@
 # Fetch Client
 
-The [`FetchClientBuilder`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/FetchClientBuilder.html) creates a standard http4s [`Client`](https://www.javadoc.io/doc/org.http4s/http4s-docs_2.13/@HTTP4S_VERSION@/org/http4s/client/client) that is described in the [http4s documentation](https://http4s.org/v0.23/client/).
+The @:api(org.http4s.dom.FetchClientBuilder) creates a standard http4s @:api(org.http4s.client.Client) that is described in the [http4s documentation](https://http4s.org/v0.23/docs/client.html).
 
 ## Example
 
diff --git a/docs/index.md b/docs/index.md
index e38fcf46..f3afc6c3 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -15,7 +15,6 @@ Notably, http4s-dom can also be used to create _serverless_ apps with [Cloudflar
 [![http4s-dom Scala version support](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom/latest.svg)](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom)
 
 ```scala
-// Supports http4s 0.23.x
 libraryDependencies += "org.http4s" %%% "http4s-dom" % "@VERSION@"
 
 // recommended, brings in the latest client module
diff --git a/docs/serviceworker.md b/docs/serviceworker.md
index 6e8224de..64f4324d 100644
--- a/docs/serviceworker.md
+++ b/docs/serviceworker.md
@@ -1,6 +1,6 @@
 # Service Worker "Server"
 
-The [`ServiceWorker`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/ServiceWorker$.html) `FetchEvent` listener integrates directly with [http4s services](https://http4s.org/v0.23/service/). You can use it to run a "proxy server" as a background process in the browser that can intercept and respond to requests made by the `FetchClient`.
+The @:api(org.http4s.dom.ServiceWorker$) `FetchEvent` listener integrates directly with [http4s services](https://http4s.org/v0.23/docs/service.html). You can use it to run a "proxy server" as a background process in the browser that can intercept and respond to requests made by the `FetchClient`.
 
 ## Example
 
diff --git a/docs/websocket.md b/docs/websocket.md
index 42e4b7f2..3c2faa7c 100644
--- a/docs/websocket.md
+++ b/docs/websocket.md
@@ -1,6 +1,6 @@
 # WebSocket Client
 
-The [`WebSocketClient`](https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/WSClient$.html) creates a standard http4s [`WSClientHighLevel`](https://www.javadoc.io/doc/org.http4s/http4s-docs_2.13/@HTTP4S_VERSION@/org/http4s/client/client).
+The @:api(org.http4s.dom.WebSocketClient$) implements the http4s @:api(org.http4s.client.websocket.WSClientHighLevel) interface.
 
 ## Example
 

From 6c5af314eb936b7d6c9c980f31e7b913a76f0edb Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 20 Mar 2022 05:44:24 +0000
Subject: [PATCH 04/52] Update more URLs

---
 CODE_OF_CONDUCT.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 43ccabb3..712cf47d 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -6,7 +6,7 @@ Everyone is expected to follow the [Scala Code of Conduct] when discussing the p
 
 ## Moderation
 
-For any questions, concerns, or moderation requests, please contact a member of the [community staff](https://http4s.org/code-of-conduct/#moderation)
+For any questions, concerns, or moderation requests, please contact a member of the [community staff](https://http4s.org/code-of-conduct.html#moderation)
 
-[Scala Code of Conduct]: https://http4s.org/code-of-conduct/
-[Community staff]: https://http4s.org/code-of-conduct/#moderation
+[Scala Code of Conduct]: https://http4s.org/code-of-conduct.html
+[Community staff]: https://http4s.org/code-of-conduct.html#moderation

From 6af97153f6d0dfbf3b610eee7f39f223491458bf Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 20 Mar 2022 05:44:56 +0000
Subject: [PATCH 05/52] Cleanup

---
 README.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/README.md b/README.md
index 281a2437..428ab218 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,5 @@ Notably, http4s-dom can also be used to create _serverless_ apps with [Cloudflar
 [![http4s-dom Scala version support](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom/latest.svg)](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom)
 
 ```scala
-// Supports http4s 0.23.x
 libraryDependencies += "org.http4s" %%% "http4s-dom" % "0.2.1"
 ```

From 59341f207947cfe7b1cbeecf78fc6a2344c7e3d8 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Fri, 25 Mar 2022 07:08:50 +0100
Subject: [PATCH 06/52] Update cats-effect to 3.3.9

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index 8e6e3a5e..ab867d77 100644
--- a/build.sbt
+++ b/build.sbt
@@ -109,7 +109,7 @@ ThisBuild / Test / jsEnv := {
   }
 }
 
-val catsEffectVersion = "3.3.8"
+val catsEffectVersion = "3.3.9"
 val fs2Version = "3.2.5"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.1.0"

From 1af49f18821a710df3b4f556ef001aa33cd7c310 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Sun, 27 Mar 2022 22:44:48 +0200
Subject: [PATCH 07/52] Update sbt-mdoc to 2.3.2

---
 project/plugins.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/project/plugins.sbt b/project/plugins.sbt
index 45425af0..4b1d745a 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -8,6 +8,6 @@ libraryDependencies += "org.http4s" %% "http4s-dsl" % http4sVersion
 libraryDependencies += "org.http4s" %% "http4s-blaze-server" % http4sVersion
 
 addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.0")
-addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.1")
+addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.2")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.9.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")

From 4f835bbf8ed6e70fa6ea71ac3d40e05c88ddeedd Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Mon, 28 Mar 2022 00:39:54 +0200
Subject: [PATCH 08/52] Update sbt-http4s-org to 0.13.1

---
 project/plugins.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/project/plugins.sbt b/project/plugins.sbt
index 4b1d745a..a4260e8f 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,7 +7,7 @@ libraryDependencies += "org.scala-js" %% "scalajs-env-selenium" % "1.1.1"
 libraryDependencies += "org.http4s" %% "http4s-dsl" % http4sVersion
 libraryDependencies += "org.http4s" %% "http4s-blaze-server" % http4sVersion
 
-addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.0")
+addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.1")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.2")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.9.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")

From 38c2c8b43631afcb67d6814c7fed8cde606287e0 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 28 Mar 2022 00:53:57 +0000
Subject: [PATCH 09/52] Use sbt-tl-site settings to generate api doc url

---
 build.sbt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build.sbt b/build.sbt
index ab867d77..ddac9c1b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -28,8 +28,6 @@ ThisBuild / developers := List(
   tlGitHubDev("armanbilge", "Arman Bilge")
 )
 ThisBuild / startYear := Some(2021)
-ThisBuild / tlSiteApiUrl := Some(url(
-  "https://www.javadoc.io/doc/org.http4s/http4s-dom_sjs1_2.13/latest/org/http4s/dom/index.html"))
 
 ThisBuild / githubWorkflowTargetBranches := Seq("series/0.2")
 ThisBuild / tlCiReleaseBranches := Seq("series/0.2")
@@ -164,6 +162,8 @@ lazy val jsdocs =
 lazy val docs = project
   .in(file("site"))
   .settings(
+    tlSiteApiModule := Some((dom / projectID).value),
+    tlSiteApiPackage := Some("org.http4s.dom"),
     tlFatalWarningsInCi := false,
     mdocJS := Some(jsdocs),
     mdocVariables ++= Map(

From 537c712a2b046e56a1934df884612f5891d3eb11 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Wed, 30 Mar 2022 02:37:36 +0200
Subject: [PATCH 10/52] Update fs2-core to 3.2.6

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index ddac9c1b..05c36939 100644
--- a/build.sbt
+++ b/build.sbt
@@ -108,7 +108,7 @@ ThisBuild / Test / jsEnv := {
 }
 
 val catsEffectVersion = "3.3.9"
-val fs2Version = "3.2.5"
+val fs2Version = "3.2.6"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.1.0"
 val circeVersion = "0.15.0-M1"

From 8958d16b16b5d43fbf32f50b0bc74462aa82c094 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Wed, 30 Mar 2022 16:45:12 +0200
Subject: [PATCH 11/52] Update fs2-core to 3.2.7

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index 05c36939..e71b9c16 100644
--- a/build.sbt
+++ b/build.sbt
@@ -108,7 +108,7 @@ ThisBuild / Test / jsEnv := {
 }
 
 val catsEffectVersion = "3.3.9"
-val fs2Version = "3.2.6"
+val fs2Version = "3.2.7"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.1.0"
 val circeVersion = "0.15.0-M1"

From a4ddf1d3d79741b72b8a911ee81f7a43c1e17015 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Sat, 2 Apr 2022 14:59:14 +0200
Subject: [PATCH 12/52] Update scalafmt-core to 3.5.0

---
 .scalafmt.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.scalafmt.conf b/.scalafmt.conf
index 2563ef7c..69583534 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.4.3
+version = 3.5.0
 
 runner.dialect = Scala213Source3
 

From b50ea2dfeeab8ba90416a5b22f18b2a45be3733e Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Mon, 4 Apr 2022 01:30:42 +0200
Subject: [PATCH 13/52] Update cats-effect to 3.3.10

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index e71b9c16..bf632733 100644
--- a/build.sbt
+++ b/build.sbt
@@ -107,7 +107,7 @@ ThisBuild / Test / jsEnv := {
   }
 }
 
-val catsEffectVersion = "3.3.9"
+val catsEffectVersion = "3.3.10"
 val fs2Version = "3.2.7"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.1.0"

From ea3e89ad539dd8ba6c5ebe34138040693ef18926 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Tue, 5 Apr 2022 04:42:14 +0200
Subject: [PATCH 14/52] Update sbt-scalajs, scalajs-compiler, ... to 1.10.0

---
 project/plugins.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/project/plugins.sbt b/project/plugins.sbt
index a4260e8f..23a73b75 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -9,5 +9,5 @@ libraryDependencies += "org.http4s" %% "http4s-blaze-server" % http4sVersion
 
 addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.1")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.2")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.9.0")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.10.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")

From 0e30ec2564a071ae795ebf858264d7ed9be35761 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Wed, 6 Apr 2022 01:02:56 +0200
Subject: [PATCH 15/52] Update cats-effect to 3.3.11

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index bf632733..da3dedff 100644
--- a/build.sbt
+++ b/build.sbt
@@ -107,7 +107,7 @@ ThisBuild / Test / jsEnv := {
   }
 }
 
-val catsEffectVersion = "3.3.10"
+val catsEffectVersion = "3.3.11"
 val fs2Version = "3.2.7"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.1.0"

From 3b35717ab2d3cdfb92b32f290d05f8a6c98bae8f Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Thu, 7 Apr 2022 05:07:09 +0200
Subject: [PATCH 16/52] Update scalafmt-core to 3.5.1

---
 .scalafmt.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.scalafmt.conf b/.scalafmt.conf
index 69583534..c8217a51 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.5.0
+version = 3.5.1
 
 runner.dialect = Scala213Source3
 

From a1beba79bb18af3acf37735292ccd3e2ec0d5485 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Tue, 12 Apr 2022 00:37:19 +0200
Subject: [PATCH 17/52] Update sbt-http4s-org to 0.13.2

---
 project/plugins.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/project/plugins.sbt b/project/plugins.sbt
index 23a73b75..cac72e97 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,7 +7,7 @@ libraryDependencies += "org.scala-js" %% "scalajs-env-selenium" % "1.1.1"
 libraryDependencies += "org.http4s" %% "http4s-dsl" % http4sVersion
 libraryDependencies += "org.http4s" %% "http4s-blaze-server" % http4sVersion
 
-addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.1")
+addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.2")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.2")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.10.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")

From ecda2553153ef6b960116802a84b6cc56c38daaa Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Tue, 12 Apr 2022 19:05:53 +0200
Subject: [PATCH 18/52] Update scala3-library, ... to 3.1.2

---
 .github/workflows/ci.yml | 4 ++--
 build.sbt                | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da30bd8f..289a3a4a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,13 +29,13 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.15, 3.1.1, 2.13.8]
+        scala: [2.12.15, 3.1.2, 2.13.8]
         java: [temurin@8]
         browser: [Chrome, Firefox]
         exclude:
           - scala: 2.12.15
             browser: Firefox
-          - scala: 3.1.1
+          - scala: 3.1.2
             browser: Firefox
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index da3dedff..4cddbfbc 100644
--- a/build.sbt
+++ b/build.sbt
@@ -33,7 +33,7 @@ ThisBuild / githubWorkflowTargetBranches := Seq("series/0.2")
 ThisBuild / tlCiReleaseBranches := Seq("series/0.2")
 ThisBuild / tlSitePublishBranch := Some("series/0.2")
 
-ThisBuild / crossScalaVersions := Seq("2.12.15", "3.1.1", "2.13.8")
+ThisBuild / crossScalaVersions := Seq("2.12.15", "3.1.2", "2.13.8")
 ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("8"))
 ThisBuild / githubWorkflowBuildMatrixAdditions += "browser" -> List("Chrome", "Firefox")
 ThisBuild / githubWorkflowBuildSbtStepPreamble += s"set Global / useJSEnv := JSEnv.$${{ matrix.browser }}"

From 4e344618ef4ec5cdc18eda8ea6a2881353445283 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Tue, 12 Apr 2022 19:06:32 +0200
Subject: [PATCH 19/52] Regenerate workflow with sbt-github-actions

---
 .github/workflows/ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 289a3a4a..2502f178 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -163,12 +163,12 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3.1.1, Chrome)
+      - name: Download target directories (3.1.2, Chrome)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-3.1.1-Chrome
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3.1.2-Chrome
 
-      - name: Inflate target directories (3.1.1, Chrome)
+      - name: Inflate target directories (3.1.2, Chrome)
         run: |
           tar xf targets.tar
           rm targets.tar

From f8e89a097d0e79f9b9b3a27972651bd9848473bc Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Thu, 21 Apr 2022 10:44:08 +0200
Subject: [PATCH 20/52] Update scalafmt-core to 3.5.2

---
 .scalafmt.conf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.scalafmt.conf b/.scalafmt.conf
index c8217a51..7e57088d 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.5.1
+version = 3.5.2
 
 runner.dialect = Scala213Source3
 

From 51079162a96b357819d9f2d250069785aee35448 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 10 May 2022 23:30:46 +0000
Subject: [PATCH 21/52] Add calico to related projects

---
 build.sbt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build.sbt b/build.sbt
index 4cddbfbc..e6fafdb0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -166,6 +166,9 @@ lazy val docs = project
     tlSiteApiPackage := Some("org.http4s.dom"),
     tlFatalWarningsInCi := false,
     mdocJS := Some(jsdocs),
+    tlSiteRelatedProjects ++= Seq(
+      "calico" -> url("https://armanbilge.github.io/calico/")
+    ),
     mdocVariables ++= Map(
       "js-opt" -> "fast",
       "HTTP4S_VERSION" -> http4sVersion,

From ea2967b14ca375bd2294aaf0e28a30e4ef61481b Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Wed, 11 May 2022 22:44:45 +0000
Subject: [PATCH 22/52] Use fullname for HTMLElement and friends

---
 docs/fetch.md     |  2 +-
 docs/websocket.md | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/fetch.md b/docs/fetch.md
index 967f3866..cb7e86c8 100644
--- a/docs/fetch.md
+++ b/docs/fetch.md
@@ -32,7 +32,7 @@ val fetchActivity: IO[Unit] = for {
   _ <- IO(activityElement.innerHTML = activity.activity)
 } yield ()
 
-val button = document.getElementById("button").asInstanceOf[html.Button]
+val button = document.getElementById("button").asInstanceOf[HTMLButtonElement]
 
 button.onclick = _ => fetchActivity.unsafeRunAndForget()
 ```
diff --git a/docs/websocket.md b/docs/websocket.md
index 3c2faa7c..f38ce38a 100644
--- a/docs/websocket.md
+++ b/docs/websocket.md
@@ -28,15 +28,15 @@ import org.http4s.dom._
 import org.http4s.syntax.all._
 import org.scalajs.dom._
 
-val message = document.getElementById("message").asInstanceOf[html.Input]
-val button = document.getElementById("button").asInstanceOf[html.Button]
-val sent = document.getElementById("sent").asInstanceOf[html.Element]
-val received = document.getElementById("received").asInstanceOf[html.Element]
+val message = document.getElementById("message").asInstanceOf[HTMLInputElement]
+val button = document.getElementById("button").asInstanceOf[HTMLButtonElement]
+val sent = document.getElementById("sent").asInstanceOf[HTMLElement]
+val received = document.getElementById("received").asInstanceOf[HTMLElement]
 
 val request = WSRequest(uri"wss://ws.postman-echo.com/raw")
 val app = WebSocketClient[IO].connectHighLevel(request).use { conn =>
 
-  def log(e: html.Element, text: String): IO[Unit] =
+  def log(e: HTMLElement, text: String): IO[Unit] =
     IO {
       val p = document.createElement("p")
       p.innerHTML = text

From e8e596e94c8eafe782d0565217b19ea53792a506 Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Fri, 13 May 2022 12:27:22 +0200
Subject: [PATCH 23/52] Update scalajs-dom to 2.2.0

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index e6fafdb0..1ae418c2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -110,7 +110,7 @@ ThisBuild / Test / jsEnv := {
 val catsEffectVersion = "3.3.11"
 val fs2Version = "3.2.7"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
-val scalaJSDomVersion = "2.1.0"
+val scalaJSDomVersion = "2.2.0"
 val circeVersion = "0.15.0-M1"
 val munitVersion = "0.7.29"
 val munitCEVersion = "1.0.7"

From 6f6e44eb86d4e4fa9ef06ed2a1a5e3d1d4677b8f Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sat, 14 May 2022 21:25:42 -0700
Subject: [PATCH 24/52] Fix broken URLs

---
 docs/index.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/index.md b/docs/index.md
index f3afc6c3..0d70585e 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -4,8 +4,8 @@ Use http4s in your browser with Scala.js!
 Features:
 
 * A [`Client` implementation](fetch.md) backed by [`fetch`](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)
-* A [`WSClient` implementation](websocket.md) backed by [`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket$.html)
-* A [`Service Worker` integration](serviceworker.md) to install your `HttpRoutes` as a [`FetchEvent` handler](https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerGlobalScope/onfetch)
+* A [`WSClient` implementation](websocket.md) backed by [`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket)
+* A [`Service Worker` integration](serviceworker.md) to install your `HttpRoutes` as a [`FetchEvent` handler](https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerGlobalScope/fetch_event)
 * Encoders for [`File`](https://developer.mozilla.org/en-US/docs/Web/API/File), [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) and [`ReadableStream`](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream)
 
 Notably, http4s-dom can also be used to create _serverless_ apps with [Cloudflare Workers](https://workers.cloudflare.com) which have adopted the same APIs used in the browser!

From ca2a9168b6a674dc8126facac2fe1d231542fe71 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Thu, 19 May 2022 01:01:16 +0000
Subject: [PATCH 25/52] Use named WebSocket constants

---
 dom/src/main/scala/org/http4s/dom/WebSocketClient.scala | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dom/src/main/scala/org/http4s/dom/WebSocketClient.scala b/dom/src/main/scala/org/http4s/dom/WebSocketClient.scala
index b6e18ede..41ce3dfb 100644
--- a/dom/src/main/scala/org/http4s/dom/WebSocketClient.scala
+++ b/dom/src/main/scala/org/http4s/dom/WebSocketClient.scala
@@ -108,9 +108,9 @@ object WebSocketClient {
               .flatMap(close.complete(_)) *> messages.offer(None)
 
             F.delay(ws.readyState).flatMap {
-              case 0 | 1 => shutdown // CONNECTING | OPEN
-              case 2 => close.get.void // CLOSING
-              case 3 => F.unit // CLOSED
+              case WebSocket.CONNECTING | WebSocket.OPEN => shutdown
+              case WebSocket.CLOSING => close.get.void
+              case WebSocket.CLOSED => F.unit
               case s => F.raiseError(new IllegalStateException(s"WebSocket.readyState: $s"))
             }
         }

From 39e1ad19a02f2292b968ff825abaeb08582703ab Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Sat, 21 May 2022 10:02:35 +0200
Subject: [PATCH 26/52] Update cats-effect to 3.3.12

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index 1ae418c2..b07ba4ae 100644
--- a/build.sbt
+++ b/build.sbt
@@ -107,7 +107,7 @@ ThisBuild / Test / jsEnv := {
   }
 }
 
-val catsEffectVersion = "3.3.11"
+val catsEffectVersion = "3.3.12"
 val fs2Version = "3.2.7"
 val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.2.0"

From ef1d03e4c194e977e5844a2f2978ce38d77791a4 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sat, 21 May 2022 23:43:02 +0000
Subject: [PATCH 27/52] Use scalaJSLinkerOutputDirectory to get worker dir

---
 build.sbt                                            | 12 +++++++++++-
 .../org/http4s/dom/FetchServiceWorkerSuite.scala     |  7 +------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/build.sbt b/build.sbt
index b07ba4ae..6ea82931 100644
--- a/build.sbt
+++ b/build.sbt
@@ -137,7 +137,17 @@ lazy val tests = project
   .settings(
     scalaJSUseMainModuleInitializer := true,
     (Test / test) := (Test / test).dependsOn(Compile / fastOptJS).value,
-    buildInfoKeys := Seq[BuildInfoKey](scalaVersion, fileServicePort),
+    buildInfoKeys := Seq[BuildInfoKey](
+      fileServicePort,
+      BuildInfoKey("runtime" -> useJSEnv.value.toString),
+      BuildInfoKey(
+        "workerDir" -> (Compile / fastLinkJS / scalaJSLinkerOutputDirectory)
+          .value
+          .relativeTo((ThisBuild / baseDirectory).value)
+          .get
+          .toString
+      )
+    ),
     buildInfoPackage := "org.http4s.dom",
     libraryDependencies ++= Seq(
       "org.scalameta" %%% "munit" % munitVersion % Test,
diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index d9f0c737..55ab788d 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -34,11 +34,6 @@ import scala.scalajs.js
 
 class FetchServiceWorkerSuite extends CatsEffectSuite {
 
-  def scalaVersion = if (BuildInfo.scalaVersion.startsWith("2"))
-    BuildInfo.scalaVersion.split("\\.").init.mkString(".")
-  else
-    BuildInfo.scalaVersion
-
   val client = FetchClientBuilder[IO].create
 
   val baseUrl = uri"/"
@@ -50,7 +45,7 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
           .navigator
           .serviceWorker
           .register(
-            s"/tests/target/scala-${scalaVersion}/tests-fastopt/main.js",
+            s"/${BuildInfo.workerDir}/main.js",
             js.Dynamic.literal(scope = "/")
           )
       }

From a5be5c6f2174885c28055bfc88d4fa2a6237786b Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 22 May 2022 00:04:43 +0000
Subject: [PATCH 28/52] Bump http4s, nowarn deprecation for now

---
 build.sbt                                                   | 6 +++++-
 .../test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/build.sbt b/build.sbt
index 6ea82931..6340e2e2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -109,12 +109,16 @@ ThisBuild / Test / jsEnv := {
 
 val catsEffectVersion = "3.3.12"
 val fs2Version = "3.2.7"
-val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
+val http4sVersion = "0.23.11-506-d570136-SNAPSHOT"
+// val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.2.0"
 val circeVersion = "0.15.0-M1"
 val munitVersion = "0.7.29"
 val munitCEVersion = "1.0.7"
 
+ThisBuild / resolvers +=
+  "s01 snapshots".at("https://s01.oss.sonatype.org/content/repositories/snapshots/")
+
 lazy val root =
   project.in(file(".")).aggregate(dom, tests).enablePlugins(NoPublishPlugin)
 
diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index 55ab788d..1b712d61 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -93,7 +93,7 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
       .expect[String](POST(multipart, baseUrl / "echo").withHeaders(multipart.headers))
       .map(_.contains("This is text."))
       .assert
-  }
+  }: @scala.annotation.nowarn
 
   GetRoutes.getPaths[IO].toList.foreach {
     case (path, expected) =>

From b7652af065f30cdf533a735b33c3a0072ab9bcfa Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 22 May 2022 00:09:29 +0000
Subject: [PATCH 29/52] Fix compile on 2.12

---
 .../src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index 1b712d61..4bc6b1a6 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -88,7 +88,7 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
   }
 
   test("POST a multipart body") {
-    val multipart = Multipart[IO](Vector(Part.formData("text", "This is text.")))
+    val multipart = Multipart[IO](Vector(Part.formData[IO]("text", "This is text.")))
     client
       .expect[String](POST(multipart, baseUrl / "echo").withHeaders(multipart.headers))
       .map(_.contains("This is text."))

From 33e436e739ce30d5c74fd9ebead6e449a34cba01 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 22 May 2022 00:21:55 +0000
Subject: [PATCH 30/52] Switch worker to testkit routes

---
 build.sbt                                           |  1 +
 .../src/main/scala/org/http4s/dom/TestRoutes.scala  | 13 ++++++-------
 .../scala/org/http4s/dom/TestServiceWorker.scala    |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/build.sbt b/build.sbt
index 6340e2e2..e0c7596e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -154,6 +154,7 @@ lazy val tests = project
     ),
     buildInfoPackage := "org.http4s.dom",
     libraryDependencies ++= Seq(
+      "org.http4s" %%% "http4s-client-testkit" % http4sVersion,
       "org.scalameta" %%% "munit" % munitVersion % Test,
       "org.typelevel" %%% "munit-cats-effect-3" % munitCEVersion % Test
     )
diff --git a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
index 942b522e..7d18d697 100644
--- a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
+++ b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
@@ -21,21 +21,20 @@ import cats.effect._
 import cats.syntax.all._
 import fs2._
 import org.http4s.Status._
-
+import org.http4s.client.testkit.testroutes
 import scala.concurrent.duration._
 
 object TestRoutes {
-  def apply[F[_]](implicit F: Async[F]): HttpRoutes[F] = HttpRoutes.of {
+  def routes: HttpRoutes[IO] = HttpRoutes.of {
     case request =>
       val get = Some(request).filter(_.method == Method.GET).flatMap { r =>
-        GetRoutes.getPaths.get(r.uri.path.segments.last.toString)
+        testroutes.GetRoutes.getPaths.get(r.uri.path.segments.last.toString)
       }
 
-      val post = Some(request).filter(_.method == Method.POST).map { r =>
-        F.delay(Response(body = r.body))
-      }
+      val post =
+        Some(request).filter(_.method == Method.POST).map(r => IO(Response(body = r.body)))
 
-      get.orElse(post).getOrElse(F.delay(Response[F](NotFound)))
+      get.orElse(post).getOrElse(IO(Response[IO](NotFound)))
   }
 }
 
diff --git a/tests/src/main/scala/org/http4s/dom/TestServiceWorker.scala b/tests/src/main/scala/org/http4s/dom/TestServiceWorker.scala
index 33f4d41b..7fed35e1 100644
--- a/tests/src/main/scala/org/http4s/dom/TestServiceWorker.scala
+++ b/tests/src/main/scala/org/http4s/dom/TestServiceWorker.scala
@@ -35,7 +35,7 @@ object TestServiceWorker {
           )
       )
 
-    ServiceWorker.addFetchEventListener(IO.pure(TestRoutes[IO])).void.unsafeRunSync()
+    ServiceWorker.addFetchEventListener(IO.pure(TestRoutes.routes)).void.unsafeRunSync()
   }
 
 }

From 071c85a04babf543370f10116f685f6293a7185f Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 22 May 2022 00:28:54 +0000
Subject: [PATCH 31/52] Fix test router

---
 tests/src/main/scala/org/http4s/dom/TestRoutes.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
index 7d18d697..2d628058 100644
--- a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
+++ b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
@@ -28,7 +28,7 @@ object TestRoutes {
   def routes: HttpRoutes[IO] = HttpRoutes.of {
     case request =>
       val get = Some(request).filter(_.method == Method.GET).flatMap { r =>
-        testroutes.GetRoutes.getPaths.get(r.uri.path.segments.last.toString)
+        testroutes.GetRoutes.getPaths.get(s"/${r.uri.path.segments.last}")
       }
 
       val post =

From 2daeaefcc22fbbf5001c43460c156f45b1eb197a Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 22 May 2022 01:08:05 +0000
Subject: [PATCH 32/52] Try to materialize selenium in worker dir

---
 build.sbt                                     | 30 ++++++++++++-------
 .../http4s/dom/FetchServiceWorkerSuite.scala  |  5 +---
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/build.sbt b/build.sbt
index e0c7596e..6cd89387 100644
--- a/build.sbt
+++ b/build.sbt
@@ -67,15 +67,19 @@ Global / fileServicePort := {
             case Method.GET -> Root / "ws" =>
               wsb.build(identity)
             case req =>
-              fileService[IO](FileService.Config(".")).orNotFound.run(req).map { res =>
-                // TODO find out why mime type is not auto-inferred
-                if (req.uri.renderString.endsWith(".js"))
-                  res.withHeaders(
-                    "Service-Worker-Allowed" -> "/",
-                    "Content-Type" -> "text/javascript"
-                  )
-                else res
-              }
+              fileService[IO](FileService.Config(
+                (tests / Compile / fastLinkJS / scalaJSLinkerOutputDirectory).value.toString))
+                .orNotFound
+                .run(req)
+                .map { res =>
+                  // TODO find out why mime type is not auto-inferred
+                  if (req.uri.renderString.endsWith(".js"))
+                    res.withHeaders(
+                      "Service-Worker-Allowed" -> "/",
+                      "Content-Type" -> "text/javascript"
+                    )
+                  else res
+                }
           }
           .orNotFound
       }
@@ -92,8 +96,8 @@ ThisBuild / Test / jsEnv := {
   val config = SeleniumJSEnv
     .Config()
     .withMaterializeInServer(
-      "target/selenium",
-      s"http://localhost:${fileServicePort.value}/target/selenium/")
+      (tests / Compile / fastLinkJS / scalaJSLinkerOutputDirectory).value.toString,
+      s"http://localhost:${fileServicePort.value}/")
 
   useJSEnv.value match {
     case Chrome =>
@@ -140,6 +144,10 @@ lazy val tests = project
   .in(file("tests"))
   .settings(
     scalaJSUseMainModuleInitializer := true,
+    Compile / scalaJSLinkerConfig ~= { cfg =>
+      import org.scalajs.linker.interface.OutputPatterns
+      cfg.withOutputPatterns(OutputPatterns.fromJSFile("worker-%s.js"))
+    },
     (Test / test) := (Test / test).dependsOn(Compile / fastOptJS).value,
     buildInfoKeys := Seq[BuildInfoKey](
       fileServicePort,
diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index 4bc6b1a6..3b82574b 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -44,10 +44,7 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
         window
           .navigator
           .serviceWorker
-          .register(
-            s"/${BuildInfo.workerDir}/main.js",
-            js.Dynamic.literal(scope = "/")
-          )
+          .register("worker-main.js", js.Dynamic.literal(scope = "/"))
       }
     }.both(IO.async_[Unit] { cb =>
       window

From 7457dfe9c751af7ba5441e4ebeed4f93b75ff1d3 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Sun, 22 May 2022 01:16:53 +0000
Subject: [PATCH 33/52] Revert "Fix test router"

This reverts commit 071c85a04babf543370f10116f685f6293a7185f.
---
 tests/src/main/scala/org/http4s/dom/TestRoutes.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
index 2d628058..7d18d697 100644
--- a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
+++ b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
@@ -28,7 +28,7 @@ object TestRoutes {
   def routes: HttpRoutes[IO] = HttpRoutes.of {
     case request =>
       val get = Some(request).filter(_.method == Method.GET).flatMap { r =>
-        testroutes.GetRoutes.getPaths.get(s"/${r.uri.path.segments.last}")
+        testroutes.GetRoutes.getPaths.get(r.uri.path.segments.last.toString)
       }
 
       val post =

From 100abf95c3b5e6ed9011784753f1e12da1288661 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 09:07:20 -0700
Subject: [PATCH 34/52] Revert "Revert "Fix test router""

This reverts commit 7457dfe9c751af7ba5441e4ebeed4f93b75ff1d3.
---
 tests/src/main/scala/org/http4s/dom/TestRoutes.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
index 7d18d697..2d628058 100644
--- a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
+++ b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
@@ -28,7 +28,7 @@ object TestRoutes {
   def routes: HttpRoutes[IO] = HttpRoutes.of {
     case request =>
       val get = Some(request).filter(_.method == Method.GET).flatMap { r =>
-        testroutes.GetRoutes.getPaths.get(r.uri.path.segments.last.toString)
+        testroutes.GetRoutes.getPaths.get(s"/${r.uri.path.segments.last}")
       }
 
       val post =

From fb0ed703d2e6d45ff619b591ea7ca8c5040ff935 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 09:07:30 -0700
Subject: [PATCH 35/52] Revert "Try to materialize selenium in worker dir"

This reverts commit 2daeaefcc22fbbf5001c43460c156f45b1eb197a.
---
 build.sbt                                     | 30 +++++++------------
 .../http4s/dom/FetchServiceWorkerSuite.scala  |  5 +++-
 2 files changed, 15 insertions(+), 20 deletions(-)

diff --git a/build.sbt b/build.sbt
index 6cd89387..e0c7596e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -67,19 +67,15 @@ Global / fileServicePort := {
             case Method.GET -> Root / "ws" =>
               wsb.build(identity)
             case req =>
-              fileService[IO](FileService.Config(
-                (tests / Compile / fastLinkJS / scalaJSLinkerOutputDirectory).value.toString))
-                .orNotFound
-                .run(req)
-                .map { res =>
-                  // TODO find out why mime type is not auto-inferred
-                  if (req.uri.renderString.endsWith(".js"))
-                    res.withHeaders(
-                      "Service-Worker-Allowed" -> "/",
-                      "Content-Type" -> "text/javascript"
-                    )
-                  else res
-                }
+              fileService[IO](FileService.Config(".")).orNotFound.run(req).map { res =>
+                // TODO find out why mime type is not auto-inferred
+                if (req.uri.renderString.endsWith(".js"))
+                  res.withHeaders(
+                    "Service-Worker-Allowed" -> "/",
+                    "Content-Type" -> "text/javascript"
+                  )
+                else res
+              }
           }
           .orNotFound
       }
@@ -96,8 +92,8 @@ ThisBuild / Test / jsEnv := {
   val config = SeleniumJSEnv
     .Config()
     .withMaterializeInServer(
-      (tests / Compile / fastLinkJS / scalaJSLinkerOutputDirectory).value.toString,
-      s"http://localhost:${fileServicePort.value}/")
+      "target/selenium",
+      s"http://localhost:${fileServicePort.value}/target/selenium/")
 
   useJSEnv.value match {
     case Chrome =>
@@ -144,10 +140,6 @@ lazy val tests = project
   .in(file("tests"))
   .settings(
     scalaJSUseMainModuleInitializer := true,
-    Compile / scalaJSLinkerConfig ~= { cfg =>
-      import org.scalajs.linker.interface.OutputPatterns
-      cfg.withOutputPatterns(OutputPatterns.fromJSFile("worker-%s.js"))
-    },
     (Test / test) := (Test / test).dependsOn(Compile / fastOptJS).value,
     buildInfoKeys := Seq[BuildInfoKey](
       fileServicePort,
diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index 3b82574b..4bc6b1a6 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -44,7 +44,10 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
         window
           .navigator
           .serviceWorker
-          .register("worker-main.js", js.Dynamic.literal(scope = "/"))
+          .register(
+            s"/${BuildInfo.workerDir}/main.js",
+            js.Dynamic.literal(scope = "/")
+          )
       }
     }.both(IO.async_[Unit] { cb =>
       window

From 4f4358b56217f39fc9bb1d71b312eb4054d83fb3 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 16:40:25 +0000
Subject: [PATCH 36/52] Fix Multiparts deprecation

---
 .../http4s/dom/FetchServiceWorkerSuite.scala  | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index 4bc6b1a6..a962b1fd 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -23,7 +23,7 @@ import fs2.Stream
 import munit.CatsEffectSuite
 import org.http4s.Method._
 import org.http4s.client.dsl.io._
-import org.http4s.multipart.Multipart
+import org.http4s.multipart.Multiparts
 import org.http4s.multipart.Part
 import org.http4s.syntax.all._
 import org.scalajs.dom.Event
@@ -88,12 +88,17 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
   }
 
   test("POST a multipart body") {
-    val multipart = Multipart[IO](Vector(Part.formData[IO]("text", "This is text.")))
-    client
-      .expect[String](POST(multipart, baseUrl / "echo").withHeaders(multipart.headers))
-      .map(_.contains("This is text."))
-      .assert
-  }: @scala.annotation.nowarn
+    Multiparts.forSync[IO].flatMap { multiparts =>
+      multiparts
+        .multipart(Vector(Part.formData[IO]("text", "This is text.")))
+        .flatMap { multipart =>
+          client
+            .expect[String](POST(multipart, baseUrl / "echo").withHeaders(multipart.headers))
+            .map(_.contains("This is text."))
+            .assert
+        }
+    }
+  }
 
   GetRoutes.getPaths[IO].toList.foreach {
     case (path, expected) =>

From 5e38eed8d48094467ed067510d14620ab6605231 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 16:45:48 +0000
Subject: [PATCH 37/52] Switch to testkit GetRoutes

---
 .../scala/org/http4s/dom/TestRoutes.scala     | 32 ++-----------------
 .../http4s/dom/FetchServiceWorkerSuite.scala  |  7 ++--
 2 files changed, 6 insertions(+), 33 deletions(-)

diff --git a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
index 2d628058..4413b69a 100644
--- a/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
+++ b/tests/src/main/scala/org/http4s/dom/TestRoutes.scala
@@ -18,17 +18,14 @@ package org.http4s
 package dom
 
 import cats.effect._
-import cats.syntax.all._
-import fs2._
 import org.http4s.Status._
-import org.http4s.client.testkit.testroutes
-import scala.concurrent.duration._
+import org.http4s.client.testkit.testroutes.GetRoutes
 
 object TestRoutes {
   def routes: HttpRoutes[IO] = HttpRoutes.of {
     case request =>
       val get = Some(request).filter(_.method == Method.GET).flatMap { r =>
-        testroutes.GetRoutes.getPaths.get(s"/${r.uri.path.segments.last}")
+        GetRoutes.getPaths.get(s"/${r.uri.path.segments.last}")
       }
 
       val post =
@@ -37,28 +34,3 @@ object TestRoutes {
       get.orElse(post).getOrElse(IO(Response[IO](NotFound)))
   }
 }
-
-object GetRoutes {
-  val SimplePath = "simple"
-  val ChunkedPath = "chunked"
-  val DelayedPath = "delayed"
-  val NoContentPath = "no-content"
-  val NotFoundPath = "not-found"
-  val EmptyNotFoundPath = "empty-not-found"
-  val InternalServerErrorPath = "internal-server-error"
-
-  def getPaths[F[_]](implicit F: Temporal[F]): Map[String, F[Response[F]]] =
-    Map(
-      SimplePath -> Response[F](Ok).withEntity("simple path").pure[F],
-      ChunkedPath -> Response[F](Ok)
-        .withEntity(Stream.emits("chunk".toSeq.map(_.toString)).covary[F])
-        .pure[F],
-      DelayedPath ->
-        F.sleep(1.second) *>
-        Response[F](Ok).withEntity("delayed path").pure[F],
-      NoContentPath -> Response[F](NoContent).pure[F],
-      NotFoundPath -> Response[F](NotFound).withEntity("not found").pure[F],
-      EmptyNotFoundPath -> Response[F](NotFound).pure[F],
-      InternalServerErrorPath -> Response[F](InternalServerError).pure[F]
-    )
-}
diff --git a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
index a962b1fd..b3b36a4e 100644
--- a/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
+++ b/tests/src/test/scala/org/http4s/dom/FetchServiceWorkerSuite.scala
@@ -23,6 +23,7 @@ import fs2.Stream
 import munit.CatsEffectSuite
 import org.http4s.Method._
 import org.http4s.client.dsl.io._
+import org.http4s.client.testkit.testroutes.GetRoutes
 import org.http4s.multipart.Multiparts
 import org.http4s.multipart.Part
 import org.http4s.syntax.all._
@@ -60,7 +61,7 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
   }
 
   test("Repeat a simple request") {
-    val path = GetRoutes.SimplePath
+    val path = GetRoutes.SimplePath.tail
 
     def fetchBody = client.toKleisli(_.as[String]).local { (uri: Uri) => Request(uri = uri) }
 
@@ -100,11 +101,11 @@ class FetchServiceWorkerSuite extends CatsEffectSuite {
     }
   }
 
-  GetRoutes.getPaths[IO].toList.foreach {
+  GetRoutes.getPaths.toList.foreach {
     case (path, expected) =>
       test(s"Execute GET $path") {
         client
-          .run(GET(baseUrl / path))
+          .run(GET(baseUrl / path.tail))
           .use(resp => expected.flatMap(checkResponse(resp, _)))
           .assert
       }

From 4b452525c8d25a6249535840de7fa31af8d6e751 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 17:42:27 +0000
Subject: [PATCH 38/52] Setup Node.js 18 tests

---
 .github/workflows/ci.yml                      | 34 ++++++++-----
 build.sbt                                     | 50 ++++++++++++++++---
 project/JSEnv.scala                           |  1 +
 .../org/http4s/dom/NodeJSFetchSuite.scala     | 25 ++++++++++
 4 files changed, 91 insertions(+), 19 deletions(-)
 create mode 100644 tests-nodejs/src/test/scala/org/http4s/dom/NodeJSFetchSuite.scala

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2502f178..8b2d85be 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,12 +31,16 @@ jobs:
         os: [ubuntu-latest]
         scala: [2.12.15, 3.1.2, 2.13.8]
         java: [temurin@8]
-        browser: [Chrome, Firefox]
+        jsenv: [Chrome, Firefox, NodeJS]
         exclude:
           - scala: 2.12.15
-            browser: Firefox
+            jsenv: Firefox
+          - scala: 2.12.15
+            jsenv: NodeJS
+          - scala: 3.1.2
+            jsenv: Firefox
           - scala: 3.1.2
-            browser: Firefox
+            jsenv: NodeJS
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
@@ -72,41 +76,47 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
+      - name: Setup NodeJS v18 LTS
+        if: matrix.jsenv == 'NodeJS'
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18
+
       - name: Check that workflows are up to date
-        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.browser }}'' ''project /'' githubWorkflowCheck'
+        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.jsenv }}'' ''project /'' githubWorkflowCheck'
 
       - name: Check headers and formatting
         if: matrix.java == 'temurin@8'
-        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.browser }}'' headerCheckAll scalafmtCheckAll ''project /'' scalafmtSbtCheck'
+        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.jsenv }}'' headerCheckAll scalafmtCheckAll ''project /'' scalafmtSbtCheck'
 
       - name: Test
-        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.browser }}'' test'
+        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.jsenv }}'' test'
 
       - name: Check binary compatibility
         if: matrix.java == 'temurin@8'
-        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.browser }}'' mimaReportBinaryIssues'
+        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.jsenv }}'' mimaReportBinaryIssues'
 
       - name: Generate API documentation
         if: matrix.java == 'temurin@8'
-        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.browser }}'' doc'
+        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.jsenv }}'' doc'
 
       - name: Check unused compile dependencies
         if: matrix.java == 'temurin@8'
-        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.browser }}'' unusedCompileDependenciesTest'
+        run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.${{ matrix.jsenv }}'' unusedCompileDependenciesTest'
 
       - name: Make target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/series/0.2')
-        run: mkdir -p target site/target tests/target dom/target jsdocs/target project/target
+        run: mkdir -p target site/target tests/target dom/target tests-nodejs/target jsdocs/target project/target
 
       - name: Compress target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/series/0.2')
-        run: tar cf targets.tar target site/target tests/target dom/target jsdocs/target project/target
+        run: tar cf targets.tar target site/target tests/target dom/target tests-nodejs/target jsdocs/target project/target
 
       - name: Upload target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/series/0.2')
         uses: actions/upload-artifact@v2
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}-${{ matrix.browser }}
+          name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}-${{ matrix.jsenv }}
           path: targets.tar
 
   publish:
diff --git a/build.sbt b/build.sbt
index 6ea82931..9359adf2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -17,6 +17,7 @@
 import org.openqa.selenium.WebDriver
 import org.openqa.selenium.chrome.ChromeOptions
 import org.openqa.selenium.firefox.FirefoxOptions
+import org.scalajs.jsenv.nodejs.NodeJSEnv
 import org.scalajs.jsenv.selenium.SeleniumJSEnv
 
 import JSEnv._
@@ -35,15 +36,26 @@ ThisBuild / tlSitePublishBranch := Some("series/0.2")
 
 ThisBuild / crossScalaVersions := Seq("2.12.15", "3.1.2", "2.13.8")
 ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("8"))
-ThisBuild / githubWorkflowBuildMatrixAdditions += "browser" -> List("Chrome", "Firefox")
-ThisBuild / githubWorkflowBuildSbtStepPreamble += s"set Global / useJSEnv := JSEnv.$${{ matrix.browser }}"
+
+val jsEnvs = List("Chrome", "Firefox", "NodeJS")
+ThisBuild / githubWorkflowBuildMatrixAdditions += "jsenv" -> jsEnvs
+ThisBuild / githubWorkflowBuildSbtStepPreamble += s"set Global / useJSEnv := JSEnv.$${{ matrix.jsenv }}"
 ThisBuild / githubWorkflowBuildMatrixExclusions ++= {
   for {
     scala <- (ThisBuild / crossScalaVersions).value.init
-  } yield MatrixExclude(Map("scala" -> scala, "browser" -> "Firefox"))
+    jsenv <- jsEnvs.tail
+  } yield MatrixExclude(Map("scala" -> scala, "jsenv" -> jsenv))
 }
 
-lazy val useJSEnv = settingKey[JSEnv]("Browser for running Scala.js tests")
+ThisBuild / githubWorkflowBuildPreamble +=
+  WorkflowStep.Use(
+    UseRef.Public("actions", "setup-node", "v2"),
+    name = Some("Setup NodeJS v18 LTS"),
+    params = Map("node-version" -> "18"),
+    cond = Some("matrix.jsenv == 'NodeJS'")
+  )
+
+lazy val useJSEnv = settingKey[JSEnv]("JSEnv for running Scala.js tests")
 Global / useJSEnv := Chrome
 
 lazy val fileServicePort = settingKey[Int]("Port for static file server")
@@ -96,6 +108,7 @@ ThisBuild / Test / jsEnv := {
       s"http://localhost:${fileServicePort.value}/target/selenium/")
 
   useJSEnv.value match {
+    case NodeJS => new NodeJSEnv()
     case Chrome =>
       val options = new ChromeOptions()
       options.setHeadless(true)
@@ -116,7 +129,7 @@ val munitVersion = "0.7.29"
 val munitCEVersion = "1.0.7"
 
 lazy val root =
-  project.in(file(".")).aggregate(dom, tests).enablePlugins(NoPublishPlugin)
+  project.in(file(".")).aggregate(dom, tests, nodeJSTests).enablePlugins(NoPublishPlugin)
 
 lazy val dom = project
   .in(file("dom"))
@@ -136,10 +149,14 @@ lazy val tests = project
   .in(file("tests"))
   .settings(
     scalaJSUseMainModuleInitializer := true,
-    (Test / test) := (Test / test).dependsOn(Compile / fastOptJS).value,
+    Test / test := {
+      if (useJSEnv.value != JSEnv.NodeJS)
+        (Test / test).dependsOn(Compile / fastOptJS).value
+      else
+        ()
+    },
     buildInfoKeys := Seq[BuildInfoKey](
       fileServicePort,
-      BuildInfoKey("runtime" -> useJSEnv.value.toString),
       BuildInfoKey(
         "workerDir" -> (Compile / fastLinkJS / scalaJSLinkerOutputDirectory)
           .value
@@ -157,6 +174,25 @@ lazy val tests = project
   .dependsOn(dom)
   .enablePlugins(ScalaJSPlugin, BuildInfoPlugin, NoPublishPlugin)
 
+lazy val nodeJSTests = project
+  .in(file("tests-nodejs"))
+  .settings(
+    Test / test := {
+      if (useJSEnv.value == JSEnv.NodeJS)
+        (Test / test).value
+      else
+        ()
+    },
+    libraryDependencies ++= Seq(
+      "org.http4s" %%% "http4s-client-testkit" % http4sVersion,
+      "org.scalameta" %%% "munit" % munitVersion % Test,
+      "org.typelevel" %%% "munit-cats-effect-3" % munitCEVersion % Test
+    ),
+    scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule))
+  )
+  .dependsOn(dom)
+  .enablePlugins(ScalaJSPlugin, NoPublishPlugin)
+
 lazy val jsdocs =
   project
     .dependsOn(dom)
diff --git a/project/JSEnv.scala b/project/JSEnv.scala
index d3b82871..d16337cd 100644
--- a/project/JSEnv.scala
+++ b/project/JSEnv.scala
@@ -16,6 +16,7 @@
 
 sealed abstract class JSEnv
 object JSEnv {
+  case object NodeJS extends JSEnv
   case object Chrome extends JSEnv
   case object Firefox extends JSEnv
 }
diff --git a/tests-nodejs/src/test/scala/org/http4s/dom/NodeJSFetchSuite.scala b/tests-nodejs/src/test/scala/org/http4s/dom/NodeJSFetchSuite.scala
new file mode 100644
index 00000000..52007a93
--- /dev/null
+++ b/tests-nodejs/src/test/scala/org/http4s/dom/NodeJSFetchSuite.scala
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2021 http4s.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.http4s
+package dom
+
+import cats.effect.IO
+import org.http4s.client.testkit.ClientRouteTestBattery
+
+class NodeJSFetchSuite extends ClientRouteTestBattery("FetchClient") {
+  def clientResource = FetchClientBuilder[IO].resource
+}

From 97681016197c731023616a45574bb39d708e30ed Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 17:48:17 +0000
Subject: [PATCH 39/52] Simplifying

---
 build.sbt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build.sbt b/build.sbt
index 9359adf2..caaee33f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -150,7 +150,7 @@ lazy val tests = project
   .settings(
     scalaJSUseMainModuleInitializer := true,
     Test / test := {
-      if (useJSEnv.value != JSEnv.NodeJS)
+      if (useJSEnv.value != NodeJS)
         (Test / test).dependsOn(Compile / fastOptJS).value
       else
         ()
@@ -178,7 +178,7 @@ lazy val nodeJSTests = project
   .in(file("tests-nodejs"))
   .settings(
     Test / test := {
-      if (useJSEnv.value == JSEnv.NodeJS)
+      if (useJSEnv.value == NodeJS)
         (Test / test).value
       else
         ()

From 00b51cf45043e7e00304477046cb78d653abb074 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 17:51:45 +0000
Subject: [PATCH 40/52] Use snapshot for testkit

---
 build.sbt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index caaee33f..71a667c7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -174,6 +174,9 @@ lazy val tests = project
   .dependsOn(dom)
   .enablePlugins(ScalaJSPlugin, BuildInfoPlugin, NoPublishPlugin)
 
+ThisBuild / resolvers +=
+  "s01 snapshots".at("https://s01.oss.sonatype.org/content/repositories/snapshots/")
+
 lazy val nodeJSTests = project
   .in(file("tests-nodejs"))
   .settings(
@@ -184,7 +187,7 @@ lazy val nodeJSTests = project
         ()
     },
     libraryDependencies ++= Seq(
-      "org.http4s" %%% "http4s-client-testkit" % http4sVersion,
+      "org.http4s" %%% "http4s-client-testkit" % "0.23.11-506-d570136-SNAPSHOT",
       "org.scalameta" %%% "munit" % munitVersion % Test,
       "org.typelevel" %%% "munit-cats-effect-3" % munitCEVersion % Test
     ),

From b970c75584e53302787628cb6dba7b4e50d01bc5 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 17:55:33 +0000
Subject: [PATCH 41/52] Node 18 is not LTS

---
 build.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index 71a667c7..38a1bf12 100644
--- a/build.sbt
+++ b/build.sbt
@@ -50,7 +50,7 @@ ThisBuild / githubWorkflowBuildMatrixExclusions ++= {
 ThisBuild / githubWorkflowBuildPreamble +=
   WorkflowStep.Use(
     UseRef.Public("actions", "setup-node", "v2"),
-    name = Some("Setup NodeJS v18 LTS"),
+    name = Some("Setup NodeJS v18"),
     params = Map("node-version" -> "18"),
     cond = Some("matrix.jsenv == 'NodeJS'")
   )

From 753a5b5b8ba56063a2d1c5e64d31fc163b7c6450 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 18:15:15 +0000
Subject: [PATCH 42/52] Response body can be null on Node.js

---
 dom/src/main/scala/org/http4s/dom/FetchClient.scala | 4 +++-
 dom/src/main/scala/org/http4s/dom/package.scala     | 3 ++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/dom/src/main/scala/org/http4s/dom/FetchClient.scala b/dom/src/main/scala/org/http4s/dom/FetchClient.scala
index e2049fb6..b19c3303 100644
--- a/dom/src/main/scala/org/http4s/dom/FetchClient.scala
+++ b/dom/src/main/scala/org/http4s/dom/FetchClient.scala
@@ -33,6 +33,7 @@ import org.scalajs.dom.{Response => FetchResponse}
 
 import java.util.concurrent.TimeoutException
 import scala.concurrent.duration._
+import cats.data.OptionT
 
 private[dom] object FetchClient {
 
@@ -86,7 +87,8 @@ private[dom] object FetchClient {
           }
         } {
           case (r, exitCase) =>
-            closeReadableStream(r.body, exitCase)
+            // response.body can be null on Node.js e.g. for no-content responses
+            OptionT.fromOption(Option(r.body)).foreachF(closeReadableStream(_, exitCase))
         }
         .evalMap(fromDomResponse[F])
 
diff --git a/dom/src/main/scala/org/http4s/dom/package.scala b/dom/src/main/scala/org/http4s/dom/package.scala
index 0084d021..90ab3e8a 100644
--- a/dom/src/main/scala/org/http4s/dom/package.scala
+++ b/dom/src/main/scala/org/http4s/dom/package.scala
@@ -54,7 +54,8 @@ package object dom {
       Response[F](
         status = status,
         headers = fromDomHeaders(response.headers),
-        body = fromReadableStream(response.body)
+        // response.body can be null on Node.js e.g. for no-content responses
+        body = Stream.fromOption(Option(response.body)).flatMap(fromReadableStream[F])
       )
     }
 

From 789356cc6c6d9f360f49f4d6be849b44c94c9319 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 18:17:42 +0000
Subject: [PATCH 43/52] Regenerate workflow

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b2d85be..ffdb596e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,7 +76,7 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Setup NodeJS v18 LTS
+      - name: Setup NodeJS v18
         if: matrix.jsenv == 'NodeJS'
         uses: actions/setup-node@v2
         with:

From f58d783c15b38256d5a50696f81d3448a845ac6f Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Mon, 23 May 2022 18:26:02 +0000
Subject: [PATCH 44/52] Remove comment about null bodies

---
 dom/src/main/scala/org/http4s/dom/FetchClient.scala | 1 -
 dom/src/main/scala/org/http4s/dom/package.scala     | 1 -
 2 files changed, 2 deletions(-)

diff --git a/dom/src/main/scala/org/http4s/dom/FetchClient.scala b/dom/src/main/scala/org/http4s/dom/FetchClient.scala
index b19c3303..16c8da2f 100644
--- a/dom/src/main/scala/org/http4s/dom/FetchClient.scala
+++ b/dom/src/main/scala/org/http4s/dom/FetchClient.scala
@@ -87,7 +87,6 @@ private[dom] object FetchClient {
           }
         } {
           case (r, exitCase) =>
-            // response.body can be null on Node.js e.g. for no-content responses
             OptionT.fromOption(Option(r.body)).foreachF(closeReadableStream(_, exitCase))
         }
         .evalMap(fromDomResponse[F])
diff --git a/dom/src/main/scala/org/http4s/dom/package.scala b/dom/src/main/scala/org/http4s/dom/package.scala
index 90ab3e8a..832517f7 100644
--- a/dom/src/main/scala/org/http4s/dom/package.scala
+++ b/dom/src/main/scala/org/http4s/dom/package.scala
@@ -54,7 +54,6 @@ package object dom {
       Response[F](
         status = status,
         headers = fromDomHeaders(response.headers),
-        // response.body can be null on Node.js e.g. for no-content responses
         body = Stream.fromOption(Option(response.body)).flatMap(fromReadableStream[F])
       )
     }

From 482962cce7fa8346340e844c0cfa9071a9080fb9 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 24 May 2022 23:29:18 +0000
Subject: [PATCH 45/52] Bump to http4s 0.23.12, circe 0.14.2

---
 build.sbt           | 8 ++------
 project/plugins.sbt | 4 ++--
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/build.sbt b/build.sbt
index e0c7596e..0c03d974 100644
--- a/build.sbt
+++ b/build.sbt
@@ -109,16 +109,12 @@ ThisBuild / Test / jsEnv := {
 
 val catsEffectVersion = "3.3.12"
 val fs2Version = "3.2.7"
-val http4sVersion = "0.23.11-506-d570136-SNAPSHOT"
-// val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
+val http4sVersion = buildinfo.BuildInfo.http4sVersion // share version with build project
 val scalaJSDomVersion = "2.2.0"
-val circeVersion = "0.15.0-M1"
+val circeVersion = "0.14.2"
 val munitVersion = "0.7.29"
 val munitCEVersion = "1.0.7"
 
-ThisBuild / resolvers +=
-  "s01 snapshots".at("https://s01.oss.sonatype.org/content/repositories/snapshots/")
-
 lazy val root =
   project.in(file(".")).aggregate(dom, tests).enablePlugins(NoPublishPlugin)
 
diff --git a/project/plugins.sbt b/project/plugins.sbt
index cac72e97..6cb0bc5f 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,11 +1,11 @@
-val http4sVersion = "0.23.11"
+val http4sVersion = "0.23.12"
 
 enablePlugins(BuildInfoPlugin)
 buildInfoKeys += "http4sVersion" -> http4sVersion
 
 libraryDependencies += "org.scala-js" %% "scalajs-env-selenium" % "1.1.1"
 libraryDependencies += "org.http4s" %% "http4s-dsl" % http4sVersion
-libraryDependencies += "org.http4s" %% "http4s-blaze-server" % http4sVersion
+libraryDependencies += "org.http4s" %% "http4s-blaze-server" % "0.23.11"
 
 addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.2")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.2")

From 786c01b6e2941f3d1b8f2b615ec7eaa89d4f6c58 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 24 May 2022 23:43:03 +0000
Subject: [PATCH 46/52] Build cleanup

---
 build.sbt | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/build.sbt b/build.sbt
index f493fcb7..799d204c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -175,9 +175,6 @@ lazy val tests = project
   .dependsOn(dom)
   .enablePlugins(ScalaJSPlugin, BuildInfoPlugin, NoPublishPlugin)
 
-ThisBuild / resolvers +=
-  "s01 snapshots".at("https://s01.oss.sonatype.org/content/repositories/snapshots/")
-
 lazy val nodeJSTests = project
   .in(file("tests-nodejs"))
   .settings(
@@ -188,7 +185,7 @@ lazy val nodeJSTests = project
         ()
     },
     libraryDependencies ++= Seq(
-      "org.http4s" %%% "http4s-client-testkit" % "0.23.11-506-d570136-SNAPSHOT",
+      "org.http4s" %%% "http4s-client-testkit" % http4sVersion,
       "org.scalameta" %%% "munit" % munitVersion % Test,
       "org.typelevel" %%% "munit-cats-effect-3" % munitCEVersion % Test
     ),

From 307a83da19bde3b13bd592d4602515de63596ca7 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 24 May 2022 23:52:37 +0000
Subject: [PATCH 47/52] Note Node.js support in docs

---
 docs/index.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/index.md b/docs/index.md
index 0d70585e..354adfca 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -10,6 +10,8 @@ Features:
 
 Notably, http4s-dom can also be used to create _serverless_ apps with [Cloudflare Workers](https://workers.cloudflare.com) which have adopted the same APIs used in the browser!
 
+It is also possible to use the `FetchClient` in Node.js v18+, which added [experimental support](https://nodejs.org/en/blog/announcements/v18-release-announce/#fetch-experimental) for `fetch`, although some browser-specific features may not be available.
+
 ## Installation
 
 [![http4s-dom Scala version support](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom/latest.svg)](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom)

From 5ac906e9561d92a0dab2009c5388c8a88c983c2d Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 24 May 2022 23:53:08 +0000
Subject: [PATCH 48/52] Note Node.js support in readme

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 428ab218..583353ab 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ Features:
 
 Notably, http4s-dom can also be used to create _serverless_ apps with [Cloudflare Workers](https://workers.cloudflare.com) which have adopted the same APIs used in the browser!
 
+It is also possible to use the `FetchClient` in Node.js v18+, which added [experimental support](https://nodejs.org/en/blog/announcements/v18-release-announce/#fetch-experimental) for `fetch`, although some browser-specific features may not be available.
+
 ### Usage
 
 [![http4s-dom Scala version support](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom/latest.svg)](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom)

From 57a6489319dc53257d826d9acc0a7b5a9ff3cea8 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 24 May 2022 23:54:56 +0000
Subject: [PATCH 49/52] Publish site with fullOptJS

---
 build.sbt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/build.sbt b/build.sbt
index 0c03d974..b26e011d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -181,7 +181,6 @@ lazy val docs = project
       "calico" -> url("https://armanbilge.github.io/calico/")
     ),
     mdocVariables ++= Map(
-      "js-opt" -> "fast",
       "HTTP4S_VERSION" -> http4sVersion,
       "CIRCE_VERSION" -> circeVersion
     ),

From ec5cf4b4d14d5e814984c6f9047223c2b147c196 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Wed, 25 May 2022 00:04:51 +0000
Subject: [PATCH 50/52] organize imports

---
 dom/src/main/scala/org/http4s/dom/FetchClient.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom/src/main/scala/org/http4s/dom/FetchClient.scala b/dom/src/main/scala/org/http4s/dom/FetchClient.scala
index 16c8da2f..5e12546f 100644
--- a/dom/src/main/scala/org/http4s/dom/FetchClient.scala
+++ b/dom/src/main/scala/org/http4s/dom/FetchClient.scala
@@ -17,6 +17,7 @@
 package org.http4s
 package dom
 
+import cats.data.OptionT
 import cats.effect.Async
 import cats.effect.Poll
 import cats.effect.Resource
@@ -33,7 +34,6 @@ import org.scalajs.dom.{Response => FetchResponse}
 
 import java.util.concurrent.TimeoutException
 import scala.concurrent.duration._
-import cats.data.OptionT
 
 private[dom] object FetchClient {
 

From 7390de5613eaaba5c31e62d928f35eddf25856f1 Mon Sep 17 00:00:00 2001
From: Arman Bilge <armanbilge@gmail.com>
Date: Tue, 24 May 2022 17:42:12 -0700
Subject: [PATCH 51/52] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 583353ab..a1ba0993 100644
--- a/README.md
+++ b/README.md
@@ -18,5 +18,5 @@ It is also possible to use the `FetchClient` in Node.js v18+, which added [exper
 [![http4s-dom Scala version support](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom/latest.svg)](https://index.scala-lang.org/http4s/http4s-dom/http4s-dom)
 
 ```scala
-libraryDependencies += "org.http4s" %%% "http4s-dom" % "0.2.1"
+libraryDependencies += "org.http4s" %%% "http4s-dom" % "0.2.2"
 ```

From 66c3223d10d78189c42093a8d4ae7c73ede1395d Mon Sep 17 00:00:00 2001
From: Scala Steward <me@scala-steward.org>
Date: Wed, 25 May 2022 06:53:32 +0200
Subject: [PATCH 52/52] Update http4s-blaze-server to 0.23.12

---
 project/plugins.sbt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/project/plugins.sbt b/project/plugins.sbt
index 6cb0bc5f..4feb1d15 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -5,7 +5,7 @@ buildInfoKeys += "http4sVersion" -> http4sVersion
 
 libraryDependencies += "org.scala-js" %% "scalajs-env-selenium" % "1.1.1"
 libraryDependencies += "org.http4s" %% "http4s-dsl" % http4sVersion
-libraryDependencies += "org.http4s" %% "http4s-blaze-server" % "0.23.11"
+libraryDependencies += "org.http4s" %% "http4s-blaze-server" % "0.23.12"
 
 addSbtPlugin("org.http4s" % "sbt-http4s-org" % "0.13.2")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.2")