Add MviComponent

Author: dimsuz

amvi-component-compose/build.gradle.kts

@@ -12,4 +12,5 @@ tasks.withType<Test>().configureEach {
 
 dependencies {
   implementation(compose.desktop.currentOs)
+  api(project(":amvi-viewmodel"))
 }

amvi-component-compose/src/main/kotlin/ru/kode/amvi/component/compose/MviComponent.kt

@@ -0,0 +1,38 @@
+package ru.kode.amvi.component.compose
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import ru.kode.amvi.viewmodel.ViewIntents
+import ru.kode.amvi.viewmodel.ViewModel
+
+@Composable
+fun <S : Any, I : ViewIntents> MviComponent(
+  presenter: ViewModel<S, I>,
+  intents: I,
+  content: @Composable (state: S, intents: I) -> Unit,
+) {
+  LifecycleEffect(presenter, intents)
+  val state by presenter.viewStateFlow.collectAsState()
+  content(state, intents)
+}
+
+@Composable
+inline fun <reified VI : ViewIntents> rememberViewIntents(): VI {
+  return remember { VI::class.java.getDeclaredConstructor().newInstance() }
+}
+
+@Composable
+private fun <VI : ViewIntents, VM : ViewModel<*, VI>> LifecycleEffect(viewModel: VM, intents: VI) {
+  LaunchedEffect(Unit) {
+    viewModel.attach(intents)
+  }
+  DisposableEffect(Unit) {
+    onDispose {
+      viewModel.detach()
+    }
+  }
+}