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How to deal with errors in Next API routes, App Directory

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Common paper wasp posted this in #help-forum
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Common paper waspOP
Let say this is my code:
import { SignUpSchema } from "@/lib/validation";

export async function POST(req: Request) {
  try {
    const { email, password, fullName } = await req.json();

    //Validation
    await SignUpSchema.parseAsync(req.body);

    return Response.json({ email, password });
  } catch (err) {
    //How to return user friendly errors?
  }
}


How can I handle errors here?
Answered by Cape horse mackerel
I believe you're using zod for the validation. I'd write smth like:
export async function POST(req: Request) {
  try {
    const { email, password, fullName } = await req.json();

    //Validation
    const validation = SignUpSchema.safeParse(req.json());
if(!validation.success) {
  return Response.json({
    message: validation.error.errors
}, { status: 400})
}

    return Response.json({ email, password });
  } catch (err) {
    return NextResponse.json('Server error', { status: 500 });
  }
}
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1 Reply

Cape horse mackerel
I believe you're using zod for the validation. I'd write smth like:
export async function POST(req: Request) {
  try {
    const { email, password, fullName } = await req.json();

    //Validation
    const validation = SignUpSchema.safeParse(req.json());
if(!validation.success) {
  return Response.json({
    message: validation.error.errors
}, { status: 400})
}

    return Response.json({ email, password });
  } catch (err) {
    return NextResponse.json('Server error', { status: 500 });
  }
}
Answer