June 2019
Intermediate to advanced
746 pages
17h 2m
German
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8Services & Routing: Iteration II
»Dependency Injection allows us to inject dependencies in different components across our applications, without needing to know how those dependencies are created, or what dependencies they need themselves.«
Pascal Precht(Google Developer Expert und Gründer von Thoughtram)
8.1Dependency Injection: Code in Services auslagern
In der ersten Iteration haben wir das Konzept der Komponenten kennengelernt und eine Listenansicht mit verschachtelten Komponenten erstellt. Bislang ist die komplette Buchliste statisch in der Komponente BookListComponent hinterlegt. Diese Herangehensweise ist natürlich keine gute Praxis, denn aktuell gibt es keine (saubere) Möglichkeit, auf die Bücherdaten von einer anderen Stelle aus zuzugreifen. ...
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