| # Copyright 2017 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """Example of a rule that requires ES5 (devmode) inputs. |
| """ |
| |
| load("@build_bazel_rules_nodejs//internal:node.bzl", "sources_aspect") |
| |
| def _es5_consumer(ctx): |
| files = depset() |
| |
| # Since we apply the sources_aspect to our deps below, we can iterate through |
| # the deps and grab the attribute attached by that aspect, which is called |
| # "node_sources". |
| # See https://github.com/bazelbuild/rules_nodejs/blob/master/internal/node.bzl |
| for d in ctx.attr.deps: |
| files = depset(transitive = [files, d.node_sources]) |
| |
| return [DefaultInfo( |
| files = files, |
| runfiles = ctx.runfiles(files.to_list()), |
| )] |
| |
| es5_consumer = rule( |
| implementation = _es5_consumer, |
| attrs = { |
| "deps": attr.label_list(aspects = [sources_aspect]), |
| }, |
| ) |