run.js

/* eslint-disable no-console, global-require */

const fs = require('fs');
const path = require('path');
const del = require('del');
const ejs = require('ejs');
const webpack = require('webpack');

// TODO: Update configuration settings
const config = {
  title: 'Mole - GitHub-based note',        // Your website title
  url: 'https://www.phodal.com',
};

const tasks = new Map(); // The collection of automation tasks ('clean', 'build', 'publish', etc.)

function run(task) {
  const start = new Date();
  console.log(`Starting '${task}'...`);
  return Promise.resolve().then(() => tasks.get(task)()).then(() => {
    console.log(`Finished '${task}' after ${new Date().getTime() - start.getTime()}ms`);
  }, err => console.error(err.stack));
}

//
// Clean up the output directory
// -----------------------------------------------------------------------------
tasks.set('clean', () => del(['public/dist/*', '!public/dist/.git'], { dot: true }));

//
// Copy ./index.html into the /public folder
// -----------------------------------------------------------------------------
tasks.set('html', () => {
  const webpackConfig = require('./webpack.config');
  const assets = JSON.parse(fs.readFileSync('./public/dist/assets.json', 'utf8'));
  const template = fs.readFileSync('./public/index.ejs', 'utf8');
  const render = ejs.compile(template, { filename: './public/index.ejs' });
  const output = render({ debug: webpackConfig.debug, bundle: assets.main.js, config });
  fs.writeFileSync('./public/index.html', output, 'utf8');
});

//
// Bundle JavaScript, CSS and image files with Webpack
// -----------------------------------------------------------------------------
tasks.set('bundle', () => {
  const webpackConfig = require('./webpack.config');
  return new Promise((resolve, reject) => {
    webpack(webpackConfig).run((err, stats) => {
      if (err) {
        reject(err);
      } else {
        console.log(stats.toString(webpackConfig.stats));
        resolve();
      }
    });
  });
});

//
// Build website into a distributable format
// -----------------------------------------------------------------------------
tasks.set('build', () => {
  global.DEBUG = process.argv.includes('--debug') || false;
  return Promise.resolve()
    .then(() => run('clean'))
    .then(() => run('bundle'))
    .then(() => run('html'));
});

tasks.set('publish', () => {
  const remote = {
    url: 'git@github.com:phodal/mole-web.git', // TODO: Update deployment URL
    branch: 'gh-pages',
  };
  global.DEBUG = process.argv.includes('--debug') || false;
  const spawn = require('child_process').spawn;
  const opts = {
    cwd: path.resolve(__dirname, './public'),
    stdio: ['ignore', 'inherit', 'inherit'],
  };
  const git = (...args) => new Promise((resolve, reject) => {
    spawn('git', args, opts).on('close', code => {
      if (code === 0) {
        resolve();
      } else {
        reject(new Error(`git ${args.join(' ')} => ${code} (error)`));
      }
    });
  });

  return Promise.resolve()
    .then(() => run('clean'))
    .then(() => git('init', '--quiet'))
    .then(() => git('config', '--get', 'remote.origin.url')
      .then(() => git('remote', 'set-url', 'origin', remote.url))
      .catch(() => git('remote', 'add', 'origin', remote.url))
    )
    .then(() => git('ls-remote', '--exit-code', remote.url, 'master')
      .then(() => Promise.resolve()
        .then(() => git('fetch', 'origin'))
        .then(() => git('reset', `origin/${remote.branch}`, '--hard'))
        .then(() => git('clean', '--force'))
      )
      .catch(() => Promise.resolve())
    )
    .then(() => run('build'))
    .then(() => git('add', '.', '--all'))
    .then(() => git('commit', '--message', new Date().toUTCString())
      .catch(() => Promise.resolve()))
    .then(() => git('push', 'origin', `HEAD:${remote.branch}`, '--force', '--set-upstream'));
});
//
// Build website and launch it in a browser for testing (default)
// -----------------------------------------------------------------------------
tasks.set('start', () => {
  let count = 0;
  global.HMR = !process.argv.includes('--no-hmr'); // Hot Module Replacement (HMR)
  return run('clean').then(() => new Promise(resolve => {
    const bs = require('browser-sync').create();
    const webpackConfig = require('./webpack.config');
    const compiler = webpack(webpackConfig);
    // Node.js middleware that compiles application in watch mode with HMR support
    // http://webpack.github.io/docs/webpack-dev-middleware.html
    const webpackDevMiddleware = require('webpack-dev-middleware')(compiler, {
      publicPath: webpackConfig.output.publicPath,
      stats: webpackConfig.stats,
    });
    compiler.plugin('done', stats => {
      // Generate index.html page
      const bundle = stats.compilation.chunks.find(x => x.name === 'main').files[0];
      const template = fs.readFileSync('./public/index.ejs', 'utf8');
      const render = ejs.compile(template, { filename: './public/index.ejs' });
      const output = render({ debug: true, bundle: `/dist/${bundle}`, config });
      fs.writeFileSync('./public/index.html', output, 'utf8');

      // Launch Browsersync after the initial bundling is complete
      // For more information visit https://browsersync.io/docs/options
      if (++count === 1) {
        bs.init({
          port: process.env.PORT || 3000,
          ui: { port: Number(process.env.PORT || 3000) + 1 },
          server: {
            baseDir: 'public',
            middleware: [
              webpackDevMiddleware,
              require('webpack-hot-middleware')(compiler),
              require('connect-history-api-fallback')(),
            ],
          },
        }, resolve);
      }
    });
  }));
});

// Execute the specified task or default one. E.g.: node run build
run(/^\w/.test(process.argv[2] || '') ? process.argv[2] : 'start' /* default */);