useMutation is returning success on fetch error using Fetch API

Hey, I am trying to signup using a previously used credentials so, I am getting a network error

conflict but,

useMutation

useMutation

is not returning an error!
It is returning success instead with the error data inside the body the following

{
    "data": {
        "body": null,
        "statusCode": 409,
        "message": "The email [email protected] is already in use"
    },
    "error": null,
    "failureCount": 0,
    "isPaused": false,
    "status": "success",
    "variables": {
        "email": "[email protected]",
        "password": "12345"
    },
    "isLoading": false,
    "isSuccess": true,
    "isError": false,
    "isIdle": false
}

{
    "data": {
        "body": null,
        "statusCode": 409,
        "message": "The email [email protected] is already in use"
    },
    "error": null,
    "failureCount": 0,
    "isPaused": false,
    "status": "success",
    "variables": {
        "email": "[email protected]",
        "password": "12345"
    },
    "isLoading": false,
    "isSuccess": true,
    "isError": false,
    "isIdle": false
}

Also, the event

onError

onError

is not fired at all!
Any suggestion?

TanStack•3y ago•

1 reply

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useMutation is returning success on fetch error using Fetch API

Hey, I am trying to signup using a previously used credentials so, I am getting a network error

conflict but,

useMutation

useMutation

is not returning an error!
It is returning success instead with the error data inside the body the following

{
    "data": {
        "body": null,
        "statusCode": 409,
        "message": "The email [email protected] is already in use"
    },
    "error": null,
    "failureCount": 0,
    "isPaused": false,
    "status": "success",
    "variables": {
        "email": "[email protected]",
        "password": "12345"
    },
    "isLoading": false,
    "isSuccess": true,
    "isError": false,
    "isIdle": false
}

{
    "data": {
        "body": null,
        "statusCode": 409,
        "message": "The email [email protected] is already in use"
    },
    "error": null,
    "failureCount": 0,
    "isPaused": false,
    "status": "success",
    "variables": {
        "email": "[email protected]",
        "password": "12345"
    },
    "isLoading": false,
    "isSuccess": true,
    "isError": false,
    "isIdle": false
}

Also, the event

onError

onError

is not fired at all!
Any suggestion?

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