| --- |
| title: 'DirectoryExpander' |
| --- |
| |
| Expands directories created by [`ctx.actions.declare_directory`](/versions/8.6.0/rules/lib/builtins/actions#declare_directory) during the execution phase. This is useful to expand directories in [`map_each`](/versions/8.6.0/rules/lib/builtins/Args#add_all.map_each). |
| |
| ## Members |
| |
| * [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](/versions/8.6.0/rules/lib/builtins/File); required The directory or file to expand. | |
