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2024年11月17日のブックマーク (2件)
-
ma2 2024/11/17
- lang
リンク -
TypeScriptによるDependency Injection入門：DIコンテナを自作して内部構造を理解する
はじめに 私は初めてDependency Injection（依存性注入）という概念に出会ったのは、NestJSのドキュメントを読んでいるときでした。その時、providerや@Injectable()は何なのか？といった素朴な疑問を感じましたが、ドキュメントを読んでもすぐには理解できず、そのまま一度放置しました。 最近、業務で触れているAPIサービスではNestJSではなく、InversifyJSというライブラリを使用してDependency Injectionを実装しています。これを機に、DIについてもう一度学び直すことにしました。そして、自分が調べて理解したことをまとめて共有したいと思います。 この記事では、以下のような疑問に答える形で情報をまとめています： Dependency Injectionは何？なぜ使うのか？ Dependency Injectionはどのように実装されてい
-
- 2024年11月19日
- 2024年11月17日
- 2024年11月15日
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