naiveproxy/third_party/perfetto/ui/BUILD.gn
2018-08-11 05:35:24 +00:00

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# Copyright (C) 2018 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.
import("../gn/perfetto.gni")
import("../gn/wasm.gni")
import("../protos/perfetto/trace_processor/proto_files.gni")
ui_dist_dir = "$root_build_dir/ui"
nodejs_root = "../buildtools/nodejs"
nodejs_bin = rebase_path("$nodejs_root/bin", root_build_dir)
# +----------------------------------------------------------------------------+
# | The outer "ui" target to just ninja -C out/xxx ui |
# +----------------------------------------------------------------------------+
group("ui") {
deps = [
":bundle",
":index",
":wasm",
]
}
# +----------------------------------------------------------------------------+
# | Template used to run node binaries using the hermetic node toolchain. |
# +----------------------------------------------------------------------------+
template("node_bin") {
action(target_name) {
forward_variables_from(invoker,
[
"inputs",
"outputs",
])
deps = [
":node_modules",
]
if (defined(invoker.deps)) {
deps += invoker.deps
}
script = "../gn/standalone/build_tool_wrapper.py"
_node_cmd = invoker.node_cmd
args = [
"--path=$nodejs_bin",
"node",
rebase_path("node_modules/.bin/$_node_cmd", root_build_dir),
] + invoker.args
}
}
# +----------------------------------------------------------------------------+
# | Bundles all *.js files together resolving CommonJS require() deps. |
# +----------------------------------------------------------------------------+
# Bundle together all js sources into a bundle.js file, that will ultimately be
# included by the .html files.
node_bin("bundle") {
deps = [
":transpile_all_ts",
]
node_cmd = "browserify"
inputs = [
"$ui_dist_dir/main.js",
]
outputs = [
"$ui_dist_dir/bundle.js",
]
args = [
rebase_path(inputs[0], root_build_dir),
"-d",
"-o",
rebase_path(outputs[0], root_build_dir),
]
}
# +----------------------------------------------------------------------------+
# | Protobuf: gen rules to create .js and .d.ts files from protos. |
# +----------------------------------------------------------------------------+
proto_gen_dir = "$ui_dist_dir/gen"
node_bin("protos_to_js") {
inputs = []
foreach(proto, trace_processor_protos) {
inputs += [ "../protos/perfetto/trace_processor/$proto.proto" ]
}
outputs = [
"$proto_gen_dir/protos.js",
]
node_cmd = "pbjs"
args = [
"-t",
"static-module",
"-w",
"commonjs",
"-p",
rebase_path("../protos", root_build_dir),
"-o",
rebase_path(outputs[0], root_build_dir),
] + rebase_path(inputs, root_build_dir)
}
# Protobuf.js requires to first generate .js files from the .proto and then
# create .ts definitions for them.
node_bin("protos_to_ts") {
deps = [
":protos_to_js",
]
inputs = [
"$proto_gen_dir/protos.js",
]
outputs = [
"$proto_gen_dir/protos.d.ts",
]
node_cmd = "pbts"
args = [
"-p",
rebase_path("../protos", root_build_dir),
"-o",
rebase_path(outputs[0], root_build_dir),
rebase_path(inputs[0], root_build_dir),
]
}
# +----------------------------------------------------------------------------+
# | TypeScript: transpiles all *.ts into .js |
# +----------------------------------------------------------------------------+
# Builds all .ts sources in the repo that are reachable from |sources|.
node_bin("transpile_all_ts") {
sources = [
"main.ts",
]
deps = [
":dist_symlink",
":protos_to_ts",
]
inputs = sources + [ "tsconfig.json" ]
outputs = [
"$ui_dist_dir/main.js",
]
# Find all *.ts files and pass them as input triggers. This does NOT affect
# which files will get built. This defines only the set of files that, when
# changes, will re-trigger this rule in ninja. The files that get transpiled
# are the transitive dependencies of |sources|.
all_ts_files = exec_script("../gn/standalone/glob.py",
[
"--root=" + rebase_path(".", root_build_dir),
"--filter=*.ts",
"--exclude=node_modules",
"--exclude=dist",
],
"list lines",
[ "." ])
inputs += all_ts_files
node_cmd = "tsc"
args = [
"--project",
rebase_path(".", root_build_dir),
"--outDir",
rebase_path(ui_dist_dir, root_build_dir),
]
}
# +----------------------------------------------------------------------------+
# | Copy rules: copy assets into the dist directory. |
# +----------------------------------------------------------------------------+
copy("index") {
sources = [
"index.html",
]
outputs = [
"$ui_dist_dir/index.html",
]
}
copy("wasm") {
deps = [
"//src/trace_processor:trace_processor.js($wasm_toolchain)",
"//src/trace_processor:trace_processor.wasm($wasm_toolchain)",
]
sources = [
"$root_build_dir/wasm/trace_processor.js",
"$root_build_dir/wasm/trace_processor.wasm",
]
outputs = [
"$ui_dist_dir/wasm/{{source_file_part}}",
]
}
# +----------------------------------------------------------------------------+
# | Node JS: run npm install and creates a symlink in the out directory. |
# +----------------------------------------------------------------------------+
action("check_node_exists") {
script = "../gn/standalone/check_buildtool_exists.py"
args = [
nodejs_bin,
"--touch",
rebase_path("$target_out_dir/node_exists", ""),
]
inputs = []
outputs = [
"$target_out_dir/node_exists",
]
}
# Creates a symlink from out/xxx/ui/node_modules -> ../../../ui/node_modules.
# This allows to run browserify and other node tools from the out/xxx directory.
action("node_modules_symlink") {
deps = [
":check_node_exists",
]
inputs = [
"node_modules",
]
outputs = [
"$ui_dist_dir/node_modules",
]
script = "../gn/standalone/build_tool_wrapper.py"
args = [
"/bin/ln",
"-fns",
rebase_path(inputs[0], ui_dist_dir),
rebase_path(outputs[0], root_build_dir),
]
}
# Runs npm install.
action("node_modules") {
script = "../gn/standalone/build_tool_wrapper.py"
stamp_file = "$ui_dist_dir/.$target_name.stamp"
args = [
"--chdir",
rebase_path(".", root_build_dir),
"--stamp",
rebase_path(stamp_file, root_build_dir),
]
args += [
"--path=$nodejs_bin",
"node",
rebase_path("$nodejs_root/bin/npm", "."),
"install",
"--no-save",
"--silent",
]
inputs = [
"package.json",
"package-lock.json",
]
outputs = [
stamp_file,
]
deps = [
":node_modules_symlink",
]
}
# Creates a symlink from //ui/dist -> ../../out/xxx/ui. Used only for
# autocompletion in IDEs. The problem this is solving is that in tsconfig.json
# we can't possibly know the path to ../../out/xxx for outDir. Instead, we set
# outDir to "./dist" and create a symlink on the first build.
action("dist_symlink") {
script = "../gn/standalone/build_tool_wrapper.py"
stamp_file = "$ui_dist_dir/.$target_name.stamp"
args = [
"--stamp",
rebase_path(stamp_file, root_build_dir),
"/bin/ln",
"-fns",
rebase_path(ui_dist_dir, "."),
rebase_path("dist", root_build_dir),
]
inputs = [
"$root_build_dir",
]
outputs = [
stamp_file,
]
}