@bolt/build-tools/tasks/internal-tasks.js

Curated collection of front-end build tools in the Bolt Design System.

const { promisify } = require('util');
const { join } = require('path');
const { writeJSON } = require('fs-extra');
const { spawnSync } = require('child_process');
const mkdirp = promisify(require('mkdirp'));
const ora = require('ora');
const chalk = require('chalk');
const del = require('del');
const timer = require('@bolt/build-utils/timer');
const log = require('@bolt/build-utils/log');
const { getConfig } = require('@bolt/build-utils/config-store');
let config;

/**
 * Makes all directories in config
 * @async
 * @returns {Promise}
 */
async function mkDirs() {
  config = config || (await getConfig());

  try {
    return Promise.all([
      config.wwwDir ? mkdirp(config.wwwDir) : null,
      config.dataDir ? mkdirp(config.dataDir) : null,
      config.buildDir ? mkdirp(config.buildDir) : null,
    ]);
  } catch (error) {
    log.errorAndExit('Could not make all directories necessary.', error);
  }
}

async function clean(dirs) {
  config = config || (await getConfig());

  const spinner = ora(chalk.blue('Cleaning files...')).start();
  const startTime = timer.start();

  await del(dirs, {
    // dryRun: true, // debug what's flagged for being deleted
    force: true, // needed if you want to delete directories outside CWD
  }).then(paths => {
    // console.log('Files and folders that would be deleted:\n', paths.join('\n'));
  });

  spinner.succeed(chalk.green(`Cleaned files in ${timer.end(startTime)}`));
  if (config.verbosity > 2) {
    console.log(dirs);
  }
  return true;
}

/**
 * Write Build MetaData JSON
 * Writes a "meta.bolt.json" file to data directory
 * @param {Object} [extraData={}] Any extra data to include
 * @return {Promise<void>}
 */
async function writeMetadata(extraData = {}) {
  config = config || (await getConfig());
  let gitSha;
  try {
    gitSha = spawnSync('git', ['rev-parse', '--short', 'HEAD'], {
      encoding: 'utf8',
    }).stdout.trim();
  } catch (err) {}

  const metadata = {
    buildDate: new Date(),
    gitSha,
  };

  return writeJSON(join(config.dataDir, 'meta.bolt.json'), {
    ...metadata,
    ...extraData,
  });
}

module.exports = {
  mkDirs,
  clean,
  writeMetadata,
};