Sourced from hono's releases.

v4.12.0

Release Notes

Hono v4.12.0 is now available!

This release includes new features for the Hono client, middleware improvements, adapter enhancements, and significant performance improvements to the router and context.

$path for Hono Client

The Hono client now has a $path() method that returns the path string instead of a full URL. This is useful when you need just the path portion for routing or key-based operations:

const client = hc<typeof app>('http://localhost:8787')
// Get the path string
const path = client.api.posts.$path()
// => '/api/posts'
// With path parameters
const postPath = client.api.posts[':id'].$path({
param: { id: '123' },
})
// => '/api/posts/123'
// With query parameters
const searchPath = client.api.posts.$path({
query: { filter: 'test' },
})
// => '/api/posts?filter=test'

Unlike $url() which returns a URL object, $path() returns a plain path string, making it convenient for use with routers or as cache keys.

Thanks @​ShaMan123!

ApplyGlobalResponse Type Helper for RPC Client

The new ApplyGlobalResponse type helper allows you to add global error response types to all routes in the RPC client. This is useful for typing common error responses from app.onError() or global middlewares:

const app = new Hono()
  .get('/api/users', (c) => c.json({ users: ['alice', 'bob'] }, 200))
  .onError((err, c) => c.json({ error: err.message }, 500))
type AppWithErrors = ApplyGlobalResponse<
typeof app,
{
401: { json: { error: string; message: string } }
500: { json: { error: string; message: string } }
}
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• d2ed2e9 4.12.0
• 01e78ad Merge pull request #4735 from honojs/next
• a340a25 perf(context): use createResponseInstance for new Response (#4733)
• bd26c31 perf(trie-router): improve performance (1.5x ~ 2.0x) (#4724)
• b85c1e0 feat(types): Add exports field to ExecutionContext (#4719)
• 02346c6 feat(language): add progressive locale code truncation to normalizeLanguage (...
• 7438ab9 perf(context): add fast path to c.json() matching c.text() optimization (#4707)
• 034223f feat(trailing-slash): add alwaysRedirect option to support wildcard routes ...
• 16321af feat(adapter): add getConnInfo for AWS Lambda, Cloudflare Pages, and Netlify ...
• bf37828 feat(basic-auth): add context key and callback options (#4645)
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