To fix the issue with the Array.prototype.filter method expecting a value to be returned at the end of an arrow function in React, you can make sure that you are returning a value from the function.

Here is an example of how you might do this:

const myArray = [1, 2, 3, 4, 5];

const filteredArray = myArray.filter((item) => {
// Only include items that are greater than 3
if (item > 3) {
return true;
}
return false;
});

In the example above, the arrow function passed to the filter method includes a return statement for both the true and false cases. This ensures that a value is always returned, and the error should not occur.

It’s also possible to simplify the arrow function by using the ternary operator:

const filteredArray = myArray.filter((item) => item > 3 ? true : false);