Import code from internal repository to git

third_party/closure/compiler/closure_js_deps.bzl

@@ -0,0 +1,54 @@
+# -*- mode: python; -*-
+#
+# Copyright 2016 Google Inc. 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.
+
+"""Build definitions for JavaScript dependency files.
+
+Generating this file is important because the deps-runfiles.js file tells the
+Closure Library how to send requests to the web server to load goog.require'd
+namespaces.
+"""
+
+load("//third_party/closure/compiler/private:defs.bzl",
+     "JS_FILE_TYPE",
+     "make_js_deps_runfiles")
+
+def _impl(ctx):
+  srcs = set(order="compile")
+  for src in ctx.attr.srcs:
+    srcs += src.transitive_js_srcs
+  ctx.action(
+      inputs=list(srcs),
+      outputs=[ctx.outputs.out],
+      arguments=(["--output_file=%s" % (ctx.outputs.out.path)] +
+                 [src.path for src in srcs]),
+      executable=ctx.executable._depswriter,
+      progress_message="Calculating %d JavaScript deps to %s" % (
+          len(srcs), ctx.outputs.out.short_path))
+  make_js_deps_runfiles(ctx, srcs)
+  return struct(files=set([ctx.outputs.out, ctx.outputs.runfiles]))
+
+closure_js_deps = rule(
+    implementation=_impl,
+    attrs={
+        "srcs": attr.label_list(
+            allow_files=False,
+            providers=["transitive_js_srcs"]),
+        "_depswriter": attr.label(
+            default=Label("@closure_library//:depswriter"),
+            executable=True),
+    },
+    outputs={"out": "%{name}.js",
+             "runfiles": "%{name}-runfiles.js"})