| """This module contains providers for working with TreeArtifacts. |
| |
| See https://github.com/bazelbuild/bazel-skylib/issues/300 |
| (this feature could be upstreamed to bazel-skylib in the future) |
| |
| These are also called output directories, created by `ctx.actions.declare_directory`. |
| """ |
| |
| load("//nodejs/private/providers:directory_file_path_info.bzl", "DirectoryFilePathInfo") |
| |
| def _directory_file_path(ctx): |
| if not ctx.file.directory.is_directory: |
| fail("directory attribute must be created with ctx.declare_directory (TreeArtifact)") |
| return [DirectoryFilePathInfo(path = ctx.attr.path, directory = ctx.file.directory)] |
| |
| directory_file_path = rule( |
| doc = """Provide DirectoryFilePathInfo to reference some file within a directory. |
| |
| Otherwise there is no way to give a Bazel label for it.""", |
| implementation = _directory_file_path, |
| attrs = { |
| "directory": attr.label( |
| doc = "a directory", |
| mandatory = True, |
| allow_single_file = True, |
| ), |
| "path": attr.string( |
| doc = "a path within that directory", |
| mandatory = True, |
| ), |
| }, |
| ) |
