how to set displayName in a functional component [React]

The docs for displayName say

The displayName string is used in debugging messages. Usually, you don’t need to set it explicitly because it’s inferred from the name of the function or class that defines the component. You might want to set it explicitly if you want to display a different name for debugging purposes or when you create a higher-order component, see Wrap the Display Name for Easy Debugging for details.

In your case, you would simply use

const MyComponent = (props) => { ... }


Or you can use Object.assign

const MyComponent =
    ( props => { ... }
    , { displayName: 'HeyHey' }

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