Last active
March 29, 2024 14:45
-
-
Save Nek-12/daadb9c17ee0aa8682c50626811882b0 to your computer and use it in GitHub Desktop.
Koin <> Decompose Generic Component with injection
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// warning - the descendants must be retained across config changes | |
@Stable | |
interface DestinationScope : KoinScopeComponent { | |
val coroutineScope: CoroutineScope | |
override fun equals(other: Any?): Boolean | |
override fun hashCode(): Int | |
} | |
val LocalDestinationScope = staticCompositionLocalOf<DestinationScope> { | |
error("Provide a destination scope") | |
} | |
@FlowMVIDSL | |
inline fun <reified T : Container<*, *, *>> Module.container(noinline definition: Definition<T>) { | |
scope<DestinationScope> { | |
scoped<T> { params -> | |
definition(this, params).apply { | |
store.start(get<CoroutineScope>()) | |
} | |
} | |
} | |
} | |
@FlowMVIDSL | |
@Composable | |
inline fun <reified T : Container<S, I, A>, S : MVIState, I : MVIIntent, A : MVIAction> container( | |
noinline params: ParametersDefinition? = null, | |
) = koinInject<T>(scope = LocalDestinationScope.current.scope, parameters = params).store | |
// navigation module -> | |
@Stable | |
internal interface DestinationComponent : ComponentContext, DestinationScope | |
internal fun destinationComponent( | |
destination: Destination?, // ~ Configuration | |
context: ComponentContext | |
): DestinationComponent = object : ComponentContext by context, DestinationComponent { | |
override val scope = getKoin().getOrCreateScope( | |
scopeId = destination?.getScopeId() ?: "RootComponent", | |
qualifier = qualifier<DestinationScope>(), | |
source = context as? DestinationScope | |
) | |
override val coroutineScope = coroutineScope() | |
init { | |
scope.declare(instance = coroutineScope, allowOverride = false) | |
context.typed<DestinationScope>()?.let { scope.linkTo(it.scope) } | |
doOnDestroy { scope.close() } | |
} | |
override fun equals(other: Any?): Boolean { | |
if (other !is DestinationComponent) return false | |
return scope.id == other.scope.id | |
} | |
override fun hashCode(): Int = scope.hashCode() | |
} | |
@Composable | |
internal fun ProvideDestinationLocals( | |
component: DestinationComponent, | |
content: @Composable () -> Unit | |
) = CompositionLocalProvider( | |
LocalSubscriberLifecycle provides rememberSubscriberLifecycle(component.lifecycle) { asSubscriberLifecycle }, | |
LocalDestinationScope provides component, | |
LocalKoinScope provides component.scope, | |
content = content, | |
) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment