roc/examples/cli/cli-platform/Dir.roc
2022-11-24 03:21:14 -05:00

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interface Dir
exposes [ReadErr, DeleteErr, DirEntry, deleteEmptyDir, deleteRecursive, list]
imports [Effect, Task.{ Task }, InternalTask, Path.{ Path }, InternalPath, InternalDir]
ReadErr : InternalDir.ReadErr
DeleteErr : InternalDir.DeleteErr
DirEntry : InternalDir.DirEntry
## Lists the files and directories inside the directory.
list : Path -> Task (List Path) [DirReadErr Path ReadErr]
list = \path ->
effect = Effect.map (Effect.dirList (InternalPath.toBytes path)) \result ->
when result is
Ok entries -> Ok (List.map entries InternalPath.fromOsBytes)
Err err -> Err (DirReadErr path err)
InternalTask.fromEffect effect
## Deletes a directory if it's empty.
deleteEmptyDir : Path -> Task {} [DirDeleteErr Path DeleteErr]
## Recursively deletes the directory as well as all files and directories inside it.
deleteRecursive : Path -> Task {} [DirDeleteErr Path DeleteErr]