What is the best way to handle the error?
What I want is to get the error from server to client using rpc + react query
1. Using
trycatch
2. Returning c.json({ message: 'Invalid password' }, 401)
3. Throwing HTTPException(401, { message: 'Invalid password' })
Nico•25d ago
I’m not very familiar with react query but I can try my best
Is the error your trying to get coming tonight the catch above?
igmtink•25d ago
I want to know how to handle errors inside the Hono server, so I can get the error within the React Query. What I used to handle the error is this:
return c.json({ message: 'Invalid password' }, { status: 401 }) on the Hono server. The problem is the 'onError' option of React Query doesn't catch it, so I used try-catch to pass the error to 'onError'. Normally, when fetching using the standard Fetch API and there's an error, React Query automatically passes it to 'onError'. But when using RPC, it doesn't pass to 'onError', so I'm not sure if the way I handled the error in my API route is correct. It still returns the error message as data, so I used try-catch."Nico•25d ago
Fetch should only reject if the promise get rejected like a cors error. If there is body content even non non-200 status it will still pass
You need to check the status code or
response.ok. You may be thinking of Axios which does throw errors for non-200 statusesigmtink•25d ago
here's my hono server, I don't know what to choose to handle the error
igmtink•25d ago
but when I use
throw new HTTPException it's not rejecting also, is it the same of return c.json({ message: 'Invalid password' }, { status: 401})?Nico•25d ago
It's not rejecting on the server?
igmtink•25d ago
this works for me, I thought
trycatch is the same of !res.ok
igmtink•25d ago
return Promise.reject(data) to pass the error to onErrorNico•25d ago
No it will only fire if catch did not receive a response with fetch
igmtink•25d ago
I mean if the body don't have a content it will consider as reject? so I tried to use
throw new HTTPException to reject the promise unlike return c.json({message}, {status: 401}) this has a content even it's error
that's why I can't get the error from my server because I use trycatch because the error is returning as a dataNico•25d ago
No sorry I mean like no body content was received so like the server did not respond or it was blocked by cors
Correct it still returns as data
In libraries like Axios it will reject if there is another else but 2xx
igmtink•25d ago
I got used to Axios where all errors are caught in try-catch.
Nico•25d ago
It's happened to me as well, I used to only use Axios
igmtink•25d ago
that's why I thought also in fetch api standard is also can catch the error using trycatch
Nico•25d ago
@igmtink will you close the discussion on GitHub as well to clear it up
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