Hono•8mo ago

Case insensitive query params

We are using hono-zod-openapi to replace an existing API. Sadly the old API (written in ASP.Net) appears to have case-insensitive handling of parameters - and we may need to emulate this. Gah. So we have something like

const myParams = z.object({
  FooBar: z.string().openapi({...})
});
const route = createRoute({
method: 'get',
path: '/blah',
request:{
  query: myParams,

const myParams = z.object({
  FooBar: z.string().openapi({...})
});
const route = createRoute({
method: 'get',
path: '/blah',
request:{
  query: myParams,

But I need to support GET /blah?fooBar= and all other variants of FooBar and foobar etc. Any ideas? I guess worst case we could add some middleware to downcase all parameters or something.

1 Reply

Nico•8mo ago

I’m not sure if there is a special way to do it. I would just convert everything to lowercase like you mentioned. I always do it myself as well

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Case insensitive query params