# Copyright 2018 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.

"""Package file which defines build_bazel_rules_karma dependencies
"""

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

def rules_karma_dependencies():
    """
    Fetch our transitive dependencies.

    If the user wants to get a different version of these, they can just fetch it
    from their WORKSPACE before calling this function, or not call this function at all.
    """

    # TypeScript compiler runs on node.js runtime
    _maybe(
        http_archive,
        name = "build_bazel_rules_nodejs",
        urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/0.18.4/rules_nodejs-0.18.4.tar.gz"],
        sha256 = "23987a5cf549146742aa6a0d2536e4906906e63a608d5b9b32dd9fe5523ef51c",
    )

    # ts_web_test depends on the web testing rules to provision browsers.
    _maybe(
        http_archive,
        name = "io_bazel_rules_webtesting",
        urls = ["https://github.com/bazelbuild/rules_webtesting/releases/download/0.3.0/rules_webtesting.tar.gz"],
        sha256 = "1c0900547bdbe33d22aa258637dc560ce6042230e41e9ea9dad5d7d2fca8bc42",
    )

def _maybe(repo_rule, name, **kwargs):
    if name not in native.existing_rules():
        repo_rule(name = name, **kwargs)