tgbotapi/TelegramBotAPI-extensions-utils/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/extensions/utils/FlowsAggregation.kt

package com.github.insanusmokrassar.TelegramBotAPI.extensions.utils

import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.channels.BroadcastChannel
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.flow.*

fun <T> aggregateFlows(
    withScope: CoroutineScope,
    vararg flows: Flow<T>,
    internalBufferSize: Int = Channel.BUFFERED
): Flow<T> {
    val bc = BroadcastChannel<T>(internalBufferSize)
    flows.forEach {
        it.onEach {
            safely { bc.send(it) }
        }.launchIn(withScope)
    }
    return bc.asFlow()
}