How to make a shared state between two react components?

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The dependency type between the components will define the best approach.

For instance, redux is a great option if you plan to have a central store. However other approaches are possible:

  • Parent to Child

    1. Props
    2. Instance Methods

  • Child to Parent

    1. Callback Functions
    2. Event Bubbling

  • Sibling to Sibling

    1. Parent Component

  • Any to Any

    1. Observer Pattern
    2. Global Variables
    3. Context

Please find more detailed information about each of the approaches here

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