I have the following error: "Cannot find name 'data'.", but I have defined it.
const initialState = () => {
try {
const data = window.localStorage.getItem('auth');
} catch (e) {
const data = null;
}
if (!data) {
return {
matrixIsAuthenticated: false,
matrixUserId: null,
matrixAccessToken: null,
};
} else {
return data;
}
};
You should define data variable outside try block first with let and give it value inside try only after that.
First, you need to understand the scope of a block of code. Once you define a variable inside the try block it cannot be accessed outside of it. similar case for the catch also.😇
Solution 01: Define it outside of the try-catch block. Also, use let since const cannot assign a value twice.
Solution 02: move the whole code into the try-catch block.