Hono•5mo ago

[solved] route param validation with zod

  .delete('/foo/:id', zValidator('param', z.object({
      id: z.number()
    })), async (c) => {
    const { id } = c.req.valid('param')

  .delete('/foo/:id', zValidator('param', z.object({
      id: z.number()
    })), async (c) => {
    const { id } = c.req.valid('param')

This is rejecting /foo/1 - shouldn't this work?

3 Replies

Nico•5mo ago

I believe params will always be strings, I may be wrong. If that’s the case I guess that would make the param validator useless, however unless it was casted by default it would always be a string

Aditya Mathur•5mo ago

Hey I think you will need to change your validation as the value will be coming in as string. You can use coerce in zod. So you can change your validation like this { id: z.coerce.number() }. You can check out more detail over here - https://zod.dev/?id=coercion-for-primitives

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TypeScript-first schema validation with static type inference

tcurdt•5mo ago

Perfect id: z.coerce.number() was the trick. I assumed that the zValidator middleware would handle this by default Would be nice if it would. But that works, too Thanks for the help!

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[solved] route param validation with zod