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
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168
6
章 オブジェクト指向デザインパターンの
Node.js
への適用
なのは、プロキシパターンを必要なときに利用できる強力な基盤を
Proxy API
が提供しているという点
です。
Proxy API
に興味が湧き、機能やトラップメソッドについてすべて知りたいと思ったら、
Mozilla
による次の記事がよいでしょう
−
https://developer.mozilla.org/it/docs/Web/
JavaScript/Reference/Global_Objects/Proxy
また、
Google
が公 開 して い る詳細 な記事 もよい 情 報源 で す
−
https://developers.
google.com/web/updates/2016/02/es2015-proxies
6.3.6
実践での利用
Mongoose
（
http://mongoosejs.com
）は
MongoDB
用として人気のある「オブジェクト・ドキュメ
ント・マッピング（
object-document mapping
：
ODM
）」用のライブラリです。内部的にはパッケー
ジ
hooks
（
https://npmjs.org/pa
ckage/hooks
）を使ってオブジェクト
Document
のメソッド
init
、
validate
、
save
、
remove
の前後処理用フッキングを提供しています。
http://mongoosejs.com/
docs/middleware.html
に公式ドキュメントがありますので、詳細はそちらを参照
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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.