Merge branch 'akka-streams'

2 files changed, 50 insertions, 0 deletions

diff --git a/mavigator-cockpit/src/main/scala/mavigator/util/Application.scala b/mavigator-cockpit/src/main/scala/mavigator/util/Application.scala
new file mode 100644
index 0000000..7cb6f27
--- /dev/null
+++ b/mavigator-cockpit/src/main/scala/mavigator/util/Application.scala
@@ -0,0 +1,26 @@
+package mavigator
+package util
+
+import scala.scalajs.js.annotation.JSExport
+import scala.scalajs.js
+
+import org.scalajs.dom.html
+
+trait Application {
+
+  def main(args: Map[String, String])(implicit env: Environment): Unit
+
+  @JSExport
+  final def start(settings: js.Dynamic): Unit = {
+
+    val env = new StaticEnvironment(
+      root = settings.root.asInstanceOf[html.Element],
+      assetsBase = settings.assetsBase.asInstanceOf[String]
+    )
+
+    val args = settings.args.asInstanceOf[js.Dictionary[Any]].mapValues(_.toString).toMap
+
+    main(args)(env)
+  }
+
+}
diff --git a/mavigator-cockpit/src/main/scala/mavigator/util/environment.scala b/mavigator-cockpit/src/main/scala/mavigator/util/environment.scala
new file mode 100644
index 0000000..3d58c5a
--- /dev/null
+++ b/mavigator-cockpit/src/main/scala/mavigator/util/environment.scala
@@ -0,0 +1,24 @@
+package mavigator
+package util
+
+import org.scalajs.dom.html
+
+/** Represents an application's environment */
+trait Environment {
+
+  /** The application's root element. */
+  def root: html.Element
+
+  /** Retrieve an asset's URL based on its file location. */
+  def asset(file: String): String
+
+}
+
+class StaticEnvironment(
+  override val root: html.Element,
+  assetsBase: String
+) extends Environment {
+
+  override def asset(file: String): String = assetsBase + "/" + file
+
+}