| --- | |
| title: 'DirectoryExpander' | |
| --- | |
| Expands directories created by [`ctx.actions.declare_directory`](../builtins/actions#declare_directory) during the execution phase. This is useful to expand directories in [`map_each`](../builtins/Args#add_all.map_each). | |
| ## Members | |
| * [expand](#expand) | |
| ## expand {#expand} | |
| ``` | |
| list DirectoryExpander.expand(file) | |
| ``` | |
| If the given `File` is a directory, this returns a list of `File`s recursively underneath the directory. Otherwise, this returns a list containing just the given `File` itself. | |
| ### Parameters | |
| | Parameter | Description | | |
| | --- | --- | | |
| | `file` | [File](../builtins/File); required The directory or file to expand. | |