Function checkLoopBackProject

packages/cli/lib/version-helper.js:224–272

* Check the LoopBack project dependencies and versions * @param generator - Yeoman generator instance

(generator)

 * @param generator - Yeoman generator instance
 */
async function checkLoopBackProject(generator) {
  if (generator.shouldExit()) return false;

  const incompatibleDeps = await checkDependencies(generator);
  if (incompatibleDeps == null) return false;
  if (
    Object.keys({
      ...incompatibleDeps.dependencies,
      ...incompatibleDeps.devDependencies,
      ...incompatibleDeps.peerDependencies,
    }) === 0
  )
    return false;

  const choices = [
    {
      name: g.f('Upgrade project dependencies'),
      value: 'upgrade',
    },
    {
      name: g.f('Skip upgrading project dependencies'),
      value: 'continue',
    },
  ];
  if (generator.command !== 'update') {
    choices.unshift({
      name: g.f('Abort now'),
      value: 'abort',
    });
  }
  const prompts = [
    {
      name: 'decision',
      message: g.f('How do you want to proceed?'),
      type: 'list',
      choices,
      default: 0,
    },
  ];
  const answers = await generator.prompt(prompts);
  if (answers && answers.decision === 'continue') {
    return false;
  }
  if (answers && answers.decision === 'upgrade') {
    updateDependencies(generator);
    return true;
  }
  generator.exit(new Error('Incompatible dependencies'));
}

/**
 * Check if the current cli is out of date