5 replies

Can you force the return of a handler when defining a custom query?

When using

convex-helpers

convex-helpers

to define a

customQuery

customQuery

, is it possible to force the return of the handler? All the examples throw when there is, for example, an authentication issue.

Instead I'd like to have a

type Result<T> = {success: true, data: T} | {success: false, code: number, message: string}

type Result<T> = {success: true, data: T} | {success: false, code: number, message: string}

that all queries return, and then when there is an authentication issue force the handler to return

{success: false, code: 401, message: "Invalid authentication."}

{success: false, code: 401, message: "Invalid authentication."}

.

I'm looking at this: https://stack.convex.dev/custom-functions, which recommends using throws like this:

const userQuery = customQuery(
  query,
  customCtx(async (ctx) => {
    const user = await getUser(ctx);
    if (!user) throw new Error("Authentication required");
    return { user, db };
  })
);

const userQuery = customQuery(
  query,
  customCtx(async (ctx) => {
    const user = await getUser(ctx);
    if (!user) throw new Error("Authentication required");
    return { user, db };
  })
);

Can you force the return of a handler when defining a custom query?

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