Discussion on: If/else or just if?

function createPost(post) {
  // Earliest potential error if no post is provided.
  if (!post) return false;

  // Ensure correct data type.
  if (typeof post !== 'object') return false;

  // Ensure required data is provided.
  if (!post.title || !post.body) return false;

  // We're all good at this point. Assume it's safe to create the post!
  const isPostCreated = create(post);

  return isPostCreated;
}