May 2019
Intermediate to advanced
464 pages
9h 22m
Japanese
Content preview from Node.jsデザインパターン 第2版
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
10
1
章
Node.js
の世界へようこそ
保たれています。
libuv
は、低レベルの「
I/O
エンジン」となっているわけです。
libuv
は下位レイヤーのシステムコールの抽象化を実現しただけではなく、リアクタパターンの実装
にもなっており、イベントループの生成、イベントキューの管理、非同期
I/O
の実行、その他のタスク
のキューへのプッシュといった処理の
API
を提供しています。
libuv
について詳しくは
Nikhil Marathe
著『
An Introduction to libuv
』を参照してくださ
い。次のページで公開されています
−
https://nikhilm.github.io/uvbook/
1.2.7
Node.js
のアーキテクチャ
リアクタパターンと
libuv
は
Node
の基本をなす要素となっていますが、
Node
のプラットフォーム全
体は、
libuv
のほかに次の
3
つのコンポーネントから構成されています。
●
V8
−
Google
により
Chrome
ブラウザのために作られた
JavaScript
エンジンで、
Node
が高速に
動作しパフォーマンス的に優れている大きな要因となっている。革新的な設計、実行速度、そし
て効率的なメモリ管理が高く評価されている
●
バインディング
−
libuv
やその他の低レベルの機能をラップし
JavaScript
で利用できるようにす
るための抽象化レイヤ
ー
●
node-core
−
ハイレベルな
Node
の
API
を実装した
JavaScript
のライブラリ
図1-4に
Node
全体の
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.