upgrade

#!/usr/bin/env node
const chalk             = require('chalk');
const {existsSync}      = require('fs');
const {lstatSync}       = require('fs');
const {readdirSync}     = require('fs');
const path              = require('path');
const {spawnSync}       = require('child_process');
const scope             = `@sfdx-falcon`;
const userArgs          = process.argv.slice(2);
const packagesBaseDir   = path.join(__dirname, 'packages');

// Define the directory search function.
const isDirectory     = source => lstatSync(source).isDirectory();
const getDirectories  = source => readdirSync(source).map(name => path.join(source, name)).filter(isDirectory);
const packageName     = pkgDir => scope + pkgDir.substring(pkgDir.lastIndexOf(path.sep));

// Get the name of each directory inside this project's base packages directory.
const packageDirs = getDirectories(packagesBaseDir);

// Make sure that the caller provided exactly one argument.
if (userArgs.length !== 1) {
  console.log(chalk`{red \nUpgrade command aborted. You must provide a package name or set the '--all' flag.\n}`);
  return;
}

// Upgrade ALL dependencies of the --all flag is set.
if (userArgs[0].toLowerCase() === '--all') {

  // Echo the package directories that we will work with.
  console.log(chalk`{yellow \nUpgrading dependencies for the following packages...}`);
  packageDirs.forEach(packageDir => {
    console.log(chalk`{green   ${packageName(packageDir)}}`);
  });

  // Upgrade the dependencies in each package.
  packageDirs.forEach(packageDir => {
    console.log(chalk`{yellow \nUpgrading dependencies for ${packageName(packageDir)}}\n`);
    process.chdir(packageDir);
    spawnSync('yarn upgrade --latest', {shell: true, stdio: 'inherit'});
  });
}
else {

  // Handle a single-package upgrade request.
  const targetDir = path.join(packagesBaseDir, userArgs[0]);
  console.log(chalk`{yellow \nUpgrading dependencies for the following package...}`);
  console.log(chalk`{green   ${packageName(targetDir)}}\n`);

  // Make sure the specified package directory exists and process the upgrade if it does.
  if (existsSync(targetDir) === true) {
    process.chdir(targetDir);
    spawnSync('yarn upgrade --latest', {shell: true, stdio: 'inherit'});
  }
  else {
    console.log(chalk`{red Upgrade failed. Package directory '${targetDir}' does not exist\n}`);
    return;
  }
}

// Report the fact that command execution is complete.
console.log(chalk`{yellow \nPackage dependency upgrades are complete\n}`);