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Catch.kt
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Catch.kt
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// Copyright 2024 Soil Contributors
// SPDX-License-Identifier: Apache-2.0
package soil.query.compose.runtime
import androidx.compose.runtime.Composable
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.remember
import soil.query.QueryModel
import soil.query.internal.uuid
@Composable
fun Catch(
state: Loadable<*>,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: Throwable) -> Unit = { Throw(error = it) }
) {
Catch(
state = state,
filterIsInstance = { it },
isEnabled = isEnabled,
content = content
)
}
@Composable
fun <T : Throwable> Catch(
state: Loadable<*>,
filterIsInstance: (err: Throwable) -> T?,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: T) -> Unit = { Throw(error = it) }
) {
when (state) {
is Loadable.Rejected -> {
val err = remember(state.error, isEnabled) {
state.error.takeIf { isEnabled }?.let(filterIsInstance)
}
if (err != null) {
with(CatchScope) { content(err) }
}
}
is Loadable.Fulfilled,
is Loadable.Pending -> Unit
}
}
@Composable
fun Catch(
state: QueryModel<*>,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: Throwable) -> Unit = { Throw(error = it) }
) {
Catch(
state = state,
filterIsInstance = { it },
isEnabled = isEnabled,
content = content
)
}
@Composable
fun Catch(
state1: QueryModel<*>,
state2: QueryModel<*>,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: Throwable) -> Unit = { Throw(error = it) }
) {
Catch(
state1 = state1,
state2 = state2,
filterIsInstance = { it },
isEnabled = isEnabled,
content = content
)
}
@Composable
fun Catch(
state1: QueryModel<*>,
state2: QueryModel<*>,
state3: QueryModel<*>,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: Throwable) -> Unit = { Throw(error = it) }
) {
Catch(
state1 = state1,
state2 = state2,
state3 = state3,
filterIsInstance = { it },
isEnabled = isEnabled,
content = content
)
}
@Composable
fun Catch(
vararg states: QueryModel<*>,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: Throwable) -> Unit = { Throw(error = it) }
) {
Catch(
states = states,
filterIsInstance = { it },
isEnabled = isEnabled,
content = content
)
}
@Composable
fun <T : Throwable> Catch(
state: QueryModel<*>,
filterIsInstance: (err: Throwable) -> T?,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: T) -> Unit = { Throw(error = it) }
) {
val err = state.error.takeIf { isEnabled }?.let(filterIsInstance)
if (err != null) {
with(CatchScope) { content(err) }
}
}
@Composable
fun <T : Throwable> Catch(
state1: QueryModel<*>,
state2: QueryModel<*>,
filterIsInstance: (err: Throwable) -> T?,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: T) -> Unit = { Throw(error = it) }
) {
val err = listOf(state1, state2).takeIf { isEnabled }
?.firstNotNullOfOrNull { it.error }
?.let(filterIsInstance)
if (err != null) {
with(CatchScope) { content(err) }
}
}
@Composable
fun <T : Throwable> Catch(
state1: QueryModel<*>,
state2: QueryModel<*>,
state3: QueryModel<*>,
filterIsInstance: (err: Throwable) -> T?,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: T) -> Unit = { Throw(error = it) }
) {
val err = listOf(state1, state2, state3).takeIf { isEnabled }
?.firstNotNullOfOrNull { it.error }
?.let(filterIsInstance)
if (err != null) {
with(CatchScope) { content(err) }
}
}
@Composable
fun <T : Throwable> Catch(
vararg states: QueryModel<*>,
filterIsInstance: (err: Throwable) -> T?,
isEnabled: Boolean = true,
content: @Composable CatchScope.(err: T) -> Unit = { Throw(error = it) }
) {
val err = states.takeIf { isEnabled }
?.firstNotNullOfOrNull { it.error }
?.let(filterIsInstance)
if (err != null) {
with(CatchScope) { content(err) }
}
}
object CatchScope {
@Composable
fun Throw(
error: Throwable,
key: Any? = null,
host: CatchThrowHost = LocalCatchThrowHost.current,
) {
val id = remember(Unit) { key ?: uuid() }
LaunchedEffect(id, error) {
host[id] = error
}
DisposableEffect(id) {
onDispose {
host.remove(id)
}
}
}
}