honojs-middleware/packages/standard-validator
Jonathan Haines b18f24379b
chore(dev-deps): upgrade to hono v4 (#1092)
* chore(dev-deps): upgrade to hono v4

* chore(zod-openapi): build workspace dependencies

* chore(trpc-server): ignore null body type
2025-03-31 18:20:57 +09:00
..
src feat: updated @hono/eslint-config package (#1031) 2025-03-29 08:18:02 +09:00
CHANGELOG.md Version Packages (#967) 2025-02-10 18:45:17 +09:00
README.md chore: add coverage badges (#1023) 2025-03-19 17:53:11 +09:00
package.json chore(dev-deps): upgrade to hono v4 (#1092) 2025-03-31 18:20:57 +09:00
tsconfig.json build(standard-validator): lint published package (#1061) 2025-03-27 15:30:30 +09:00
vitest.config.ts test(workspace): upgrade to vitest v3 (#1009) 2025-03-12 12:52:15 +09:00

README.md

Standard Schema validator middleware for Hono

codecov

The validator middleware using Standard Schema Spec for Hono applications. You can write a schema with any validation library supporting Standard Schema and validate the incoming values.

Usage

Basic:

import { z } from 'zod'
import { sValidator } from '@hono/standard-validator'

const schema = z.object({
  name: z.string(),
  age: z.number(),
})

app.post('/author', sValidator('json', schema), (c) => {
  const data = c.req.valid('json')
  return c.json({
    success: true,
    message: `${data.name} is ${data.age}`,
  })
})

Hook:

app.post(
  '/post',
  sValidator('json', schema, (result, c) => {
    if (!result.success) {
      return c.text('Invalid!', 400)
    }
  })
  //...
)

Headers:

Headers are internally transformed to lower-case in Hono. Hence, you will have to make them lower-cased in validation object.

import { object, string } from 'valibot'
import { sValidator } from '@hono/standard-validator'

const schema = object({
  'content-type': string(),
  'user-agent': string(),
})

app.post('/author', sValidator('header', schema), (c) => {
  const headers = c.req.valid('header')
  // do something with headers
})

Author

Rokas Muningis https://github.com/muningis

License

MIT