From b791be68ba3235d5b3179c6500a6dded22c9ba86 Mon Sep 17 00:00:00 2001
From: Zak Patterson <pattersonzak@gmail.com>
Date: Mon, 4 Feb 2019 00:04:22 -0500
Subject: [PATCH] Add router store that updates window location on push

---
 .../main/scala/outwatch/router/Router.scala   | 27 +++++++++++++++++++
 .../main/scala/outwatch/router/package.scala  |  5 ++++
 2 files changed, 32 insertions(+)
 create mode 100644 outwatch-router/src/main/scala/outwatch/router/Router.scala
 create mode 100644 outwatch-router/src/main/scala/outwatch/router/package.scala

diff --git a/outwatch-router/src/main/scala/outwatch/router/Router.scala b/outwatch-router/src/main/scala/outwatch/router/Router.scala
new file mode 100644
index 0000000..a6d4c08
--- /dev/null
+++ b/outwatch-router/src/main/scala/outwatch/router/Router.scala
@@ -0,0 +1,27 @@
+package outwatch.router
+
+import cats.effect.LiftIO
+import monix.execution.Scheduler
+import org.scalajs.dom.window
+import outwatch.util.Store
+
+
+sealed trait Action
+final case class Replace(path: Path) extends Action
+
+final case class RouterState(currentPath: Path)
+
+case class AppRouter() {
+  def routerReducer(state: RouterState, action: Action): RouterState = action match {
+    case Replace(path) =>
+      Path.unapplySeq(path).foreach(p => window.history.replaceState("", "", p.mkString("/")))
+      state.copy(currentPath = path)
+    case _ => state
+  }
+
+  def store[F[_]: LiftIO](implicit S : Scheduler): F[RouterStore] =
+    Store.create[RouterState, Action](
+      RouterState(Root),
+      Store.Reducer.justState(routerReducer _)
+    ).to[F]
+}
diff --git a/outwatch-router/src/main/scala/outwatch/router/package.scala b/outwatch-router/src/main/scala/outwatch/router/package.scala
new file mode 100644
index 0000000..6566cc3
--- /dev/null
+++ b/outwatch-router/src/main/scala/outwatch/router/package.scala
@@ -0,0 +1,5 @@
+package outwatch
+
+package object router {
+  type RouterStore = ProHandler[Action, RouterState]
+}