How to fix error with checking error in reactjs?

Question

I have a code fragment like this:

(...).catch(e) => {
         if(e.response.status === 401) {
          console.log("Wrong username or password")
       } else {
           console.log(e.statustext)
}}

And I have error like this: Unhandled Exception (TypeError): cannot read property status of undefined

How can I fix it?

can you console.log(e) and see what it is, presumably response doesn't exist on the e object — Red Baron
– Red Baron, Commented Jun 8, 2020 at 15:34

Yousaf · Accepted Answer · 2020-06-08 15:40:27Z

1

catch block is passed an Error object and it doesn't contains any property named response.

Inside the then() block, check if status code is 401, if it is, throw an Error with the message "Wrong username or password" and inside the catch block, log the message using Error.prototype.message

.then(response => {
    if (response.status === 401) {
       throw new Error("Wrong username or password");
    }
    ....
 })
 .catch(e) => console.log(e.message));

answered Jun 8, 2020 at 15:40

Yousaf

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