/* eslint-disable no-console, node/no-unsupported-features */

var execa = require('execa');
var chalk = require('chalk');

function run(command, args = []) {
  console.log(chalk.dim('$ ' + command + ' ' + args.join(' ')));

  let p = execa(command, args);
  p.stdout.pipe(process.stdout);
  p.stderr.pipe(process.stderr);

  return p;
}

(async function() {
  await run('ember', ['browserstack:connect']);

  try {
    try {
      // Calling testem directly here instead of `ember test` so that
      // we do not have to do a double build (by the time this is run
      // we have already ran `ember build`).
      await run('testem', ['ci', '-f', 'testem.dist.js', '--host', '127.0.0.1', '--port', '7774']);

      console.log('success');
      process.exit(0);
    } finally {
      if (process.env.TRAVIS_JOB_NUMBER) {
        await run('ember', ['browserstack:results']);
      }
      await run('ember', ['browserstack:disconnect']);
    }
  } catch (error) {
    console.log('error');
    console.log(error);
    process.exit(1);
  }
})();

@@ -56,19 +56,21 @@
 res */%0A%0A
-var
+const
  execa =
@@ -92,11 +92,13 @@
 ');%0A
-var
+const
  cha

Use `const` for imports