update-core-mode.ts

/* -----------------------------------------------------------------------------
| Copyright (c) Jupyter Development Team.
| Distributed under the terms of the Modified BSD License.
|----------------------------------------------------------------------------*/

import * as fs from 'fs-extra';
import * as path from 'path';
import * as utils from './utils';

// Run integrity to update the dev_mode package.json
utils.run('jlpm integrity');

// Get the dev mode package.json file.
const data = utils.readJSONFile('./dev_mode/package.json');

// Update the values that need to change and write to staging.
data['jupyterlab']['buildDir'] = './build';
data['jupyterlab']['outputDir'] = '..';
data['jupyterlab']['staticDir'] = '../static';
data['jupyterlab']['linkedPackages'] = {};

const staging = './jupyterlab/staging';

// Ensure a clean staging directory.
const keep = ['yarn.js', '.yarnrc'];
fs.readdirSync(staging).forEach(name => {
  if (keep.indexOf(name) === -1) {
    fs.removeSync(path.join(staging, name));
  }
});
fs.ensureDirSync(staging);
fs.ensureFileSync(path.join(staging, 'package.json'));

utils.writePackageData(path.join(staging, 'package.json'), data);

// Update our staging files.
const notice =
  '// This file is auto-generated from the corresponding file in /dev_mode\n';

[
  'index.js',
  'bootstrap.js',
  'publicpath.js',
  'webpack.config.js',
  'webpack.prod.config.js',
  'webpack.prod.minimize.config.js',
  'webpack.prod.release.config.js',
  'templates'
].forEach(name => {
  const dest = path.join('.', 'jupyterlab', 'staging', name);
  fs.copySync(path.join('.', 'dev_mode', name), dest);

  if (path.extname(name) === '.js') {
    const oldContent = fs.readFileSync(dest);
    const newContent = notice + oldContent;
    fs.writeFileSync(dest, newContent);
  }
});

// Create a new yarn.lock file to ensure it is correct.
utils.run('jlpm', { cwd: staging });
try {
  utils.run('jlpm yarn-deduplicate -s fewer --fail', { cwd: staging });
} catch {
  // re-run install if we deduped packages!
  utils.run('jlpm', { cwd: staging });
}

// Build the core assets.
utils.run('jlpm run build:prod:release', { cwd: staging });

// Run integrity
utils.run('jlpm integrity');