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I have recently started diving deeper into Angular 7 (with Ionic 3) and I have written a lot of code so far, and I have child & parent component relationships - but never like this before. I am trying to write "good" Angular code.

The problem I am now facing is, the Providers...

My Child Component needs access to the SettingsProvider but so does the Parent Component. So my question is, should I inject the SettingsProvider in both the child's and the parent's constructor or should I only inject it into the parent, and then pass it into the child via the @Input ???

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I would inject it into both. That way the Child Component gets the SettingsProvider in a single place. If the Child component is used in multiple places, it doesn't need to be wired up to the SettingsProvider in every place.

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  • so what's the convention basically? what's considered best practice?
    – Kagiso Marvin Molekwa
    Commented Jan 29, 2019 at 21:23
  • I'd like to be more consistent in the future
    – Kagiso Marvin Molekwa
    Commented Jan 29, 2019 at 21:23

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