Initial commit

4 files changed, 76 insertions, 0 deletions

diff --git a/src/main/kotlin/pl/treksoft/kvision/Application.kt b/src/main/kotlin/pl/treksoft/kvision/Application.kt
new file mode 100644
index 00000000..a7b3d465
--- /dev/null
+++ b/src/main/kotlin/pl/treksoft/kvision/Application.kt
@@ -0,0 +1,6 @@
+package pl.treksoft.kvision
+
+abstract class ApplicationBase {
+    abstract fun start(state: Map<String, Any>)
+    abstract fun dispose(): Map<String, Any>
+}
\ No newline at end of file
diff --git a/src/main/kotlin/pl/treksoft/kvision/HMR.kt b/src/main/kotlin/pl/treksoft/kvision/HMR.kt
new file mode 100644
index 00000000..1251c187
--- /dev/null
+++ b/src/main/kotlin/pl/treksoft/kvision/HMR.kt
@@ -0,0 +1,19 @@
+package pl.treksoft.kvision
+
+external val module: Module
+
+external interface Module {
+    val hot: Hot?
+}
+
+external interface Hot {
+    val data: dynamic
+
+    fun accept()
+    fun accept(dependency: String, callback: () -> Unit)
+    fun accept(dependencies: Array<String>, callback: (updated: Array<String>) -> Unit)
+
+    fun dispose(callback: (data: dynamic) -> Unit)
+}
+
+external fun require(name: String): dynamic
\ No newline at end of file
diff --git a/src/main/kotlin/pl/treksoft/kvision/MainApplication.kt b/src/main/kotlin/pl/treksoft/kvision/MainApplication.kt
new file mode 100644
index 00000000..92bcca53
--- /dev/null
+++ b/src/main/kotlin/pl/treksoft/kvision/MainApplication.kt
@@ -0,0 +1,11 @@
+package pl.treksoft.kvision
+
+import kotlin.browser.*
+
+class MainApplication : ApplicationBase() {
+
+    override fun start(state: Map<String, Any>) {
+    }
+
+    override fun dispose() = mapOf<String, Any>()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/pl/treksoft/kvision/main.kt b/src/main/kotlin/pl/treksoft/kvision/main.kt
new file mode 100644
index 00000000..01ce118f
--- /dev/null
+++ b/src/main/kotlin/pl/treksoft/kvision/main.kt
@@ -0,0 +1,40 @@
+package pl.treksoft.kvision
+
+import kotlin.browser.*
+import kotlin.dom.*
+
+fun main(args: Array<String>) {
+    var application: ApplicationBase? = null
+
+    val state: dynamic = module.hot?.let { hot ->
+        hot.accept()
+
+        hot.dispose { data ->
+            data.appState = application?.dispose()
+            application = null
+        }
+
+        hot.data
+    }
+
+    if (document.body != null) {
+        application = start(state)
+    } else {
+        application = null
+        document.addEventListener("DOMContentLoaded", { application = start(state) })
+    }
+}
+
+fun start(state: dynamic): ApplicationBase? {
+    if (document.body?.hasClass("kvision") ?: false) {
+        val application = MainApplication()
+
+        @Suppress("UnsafeCastFromDynamic")
+        application.start(state?.appState ?: emptyMap())
+
+        return application
+    } else {
+        return null
+    }
+}
+