mediacms/frontend/packages/scripts/cli.js

#!/usr/bin/env node

const spawn = require('cross-spawn');

('use strict');

// Makes the script crash on unhandled rejections instead of silently
// ignoring them. In the future, promise rejections that are not handled will
// terminate the Node.js process with a non-zero exit code.
process.on('unhandledRejection', (err) => {
  throw err;
});

const args = process.argv.slice(2);

const scriptIndex = args.findIndex(
  (x) => x === 'build' || x === 'development' || x === 'analyzer' || x === 'rimraf' // TODO
);
const script = scriptIndex === -1 ? args[0] : args[scriptIndex];
const nodeArgs = scriptIndex > 0 ? args.slice(0, scriptIndex) : [];

if (['build', 'development', 'analyzer', 'rimraf'].includes(script)) {
  const result = spawn.sync(
    process.execPath,
    nodeArgs.concat(require.resolve('./scripts/' + script)).concat(args.slice(scriptIndex + 1)),
    { stdio: 'inherit' }
  );
  if (result.signal) {
    if (result.signal === 'SIGKILL') {
      console.log(
        'The build failed because the process exited too early. ' +
          'This probably means the system ran out of memory or someone called ' +
          '`kill -9` on the process.'
      );
    } else if (result.signal === 'SIGTERM') {
      console.log(
        'The build failed because the process exited too early. ' +
          'Someone might have called `kill` or `killall`, or the system could ' +
          'be shutting down.'
      );
    }
    process.exit(1);
  }
  process.exit(result.status);
} else {
  console.log('Unknown script "' + script + '".');
}