gwt_module.bucklet

# Copyright (C) 2014 The Android Open Source Project
#
# 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.
#
# This bucklet simplifies creation of GWT modules.

import copy

def gwt_module(
    gwt_xml = None,
    **kwargs):
  kw = copy.deepcopy(kwargs)
  if 'resources' not in kw:
    kw['resources'] = []
  if gwt_xml:
    kw['resources'] += [gwt_xml]
  if 'srcs' in kw:
    kw['resources'] += kw['srcs']

  # Buck does not accept duplicate resources. Callers may have
  # included gwt_xml or srcs as part of resources, so de-dupe.
  kw['resources'] = list(set(kw['resources']))

  java_library(**kw)