fun watchExternalFileChanges()

in plugin/core/src/main/kotlin/com/jetbrains/packagesearch/plugin/core/utils/Utils.kt [137:154]

• 18 lines of code
• 2 McCabe index (conditional complexity)

fun watchExternalFileChanges(path: Path): Flow<Unit> {
    val fileSystem = LocalFileSystem.getInstance()
    path.parent.toFile().mkdirs()
    return callbackFlow {
        val watchRequest =
            fileSystem.addRootToWatch(path.parent.toString(), false)
                ?: return@callbackFlow
        val listener = fileSystem.addVirtualFileListener {
            if (it.file.path == path.toString()) {
                trySend(Unit)
            }
        }
        awaitClose {
            fileSystem.removeVirtualFileListener(listener)
            fileSystem.removeWatchedRoot(watchRequest)
        }
    }
}