t_wの輪郭

class PostImportService {
    constructor(private readonly src_repository: IPostRepository, private readonly dest_repository: IPostRepository) { }

    async import() {
        for (let i = 0; i < 100000; i++) {
            const batch_size = 10;
            const posts = await this.src_repository.list({ take: batch_size, skip: i * batch_size });
            if (posts.length === 0) {
                break;
            }
            for (const post of posts) {
                const post_in_dest = await this.dest_repository.getByKno(post.kno);
                if (post_in_dest.posted_at < post.posted_at) {
                    this.dest_repository.save(post);
                }
            }
        }
    }
}