// Copyright (C) 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Configuration file for lite-server. Contains configuration for auto rerunning
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* ninja on file change.
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*/
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'use strict';
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const { spawn } = require('child_process');
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const path = require('path');
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// Print without added new line.
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const print = data => process.stdout.write(data);
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const printErr = data => process.stderr.write(data);
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const ninjaOutDir = process.env.OUT_DIR;
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const uiOutDir = path.join(ninjaOutDir, 'ui');
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const perfettoRoot = process.env.ROOT_DIR;
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const ninjaPath = path.join(perfettoRoot, 'tools', 'ninja');
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let ninjaRunning = false;
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function rebasePath(relative_path) {
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return path.join(perfettoRoot, relative_path);
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}
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module.exports = function(bs) {
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return {
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files: [
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{
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match: [
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"ui/**",
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"src/trace_processor/**",
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"protos/**",
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].map(rebasePath),
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fn: function(event, file) {
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console.log(`Change detected on ${file}`);
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if (ninjaRunning) {
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console.log("Already have a ninja build running. Doing nothing.");
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return;
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}
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ninjaRunning = true;
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console.log(`Executing: ninja -C ${ninjaOutDir} ui`);
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const ninja = spawn(ninjaPath, ['-C', ninjaOutDir, 'ui']);
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ninja.stdout.on('data', data => print(data.toString()));
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ninja.stderr.on('data', data => printErr(data.toString()));
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// We can be smarter and load just the file we need. Need to
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// resolve to the dist/location of the file in that case.
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// For now, we're reloading the whole page.
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ninja.on('exit', () => {
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ninjaRunning = false;
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bs.reload();
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});
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},
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options: {
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ignored: [
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"ui/dist/",
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"ui/.git/",
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"ui/node_modules/",
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].map(rebasePath),
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ignoreInitial: true,
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}
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}
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],
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server: {
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baseDir: uiOutDir,
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},
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};
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};
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