Resolving TypeError: undefined is not an object (evaluating 'this.state') in React Components

Learn how to effectively fix the common `TypeError` in React functional components by transitioning to Hooks for state management.
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What Causes the Error?

Example Code

Consider the following code snippet which is trying to use class-based state management inside a functional component:

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Solution: Transitioning to Hooks

To resolve this TypeError, we will utilize React Hooks, specifically the useState hook. The useState hook allows you to add state management to functional components in a straightforward and effective manner.

Step-by-Step Solution

Import useState: Make sure to import useState from React at the top of your component file.

Define State Variables:

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Refactor Event Creation: Adjust the event creation handler to utilize the current state when you need to save to your database.

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Final Adjusted Component Code

Once you make the changes suggested above, your complete functional component will look something like this:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion