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Hono - Ultrafast web framework for Cloudflare W...
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Yusuke Wada
November 26, 2022
Programming
3
8k
Hono - Ultrafast web framework for Cloudflare Workers, Deno, Bun, and Node.js
Yusuke Wada 2022.11.26 JSConf JP
Yusuke Wada
November 26, 2022
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Transcript
Yusuke Wada 2022.11.26 JSConf JP Hono Ultrafast web framework for
Cloud fl are Workers, Deno, Bun, and Node.js
Me • Yusuke Wada • Supervisor at TravelBook Inc. •
Web developer, Web framework developer • https://yusukebe.com/ • https://github.com/yusukebe 2
Today's topics • Core concepts of Hono 1. Multi-runtimes 2.
Ultrafast 3. Middleware 4. Experience 3
Hono in 1min. 4
Initial Commit • 2021-12-15 5
Star History 6
Who is using Hono • cdnjs API Server • Drivly
- Commerce infrastructure for the automotive industry • Ultra - Zero-Legacy Deno/React Suspense SSR Framework • Deno cli/bench/http 7
Workers Launchpad 8 ref: https://blog.cloud fl are.com/launchpad-fall-22/
Deno benchmarks 9 https://deno.land/benchmarks
Concept 1 Multi-runtimes 10
Hono works on... • Cloud fl are Workers / workerd
• Vercel Edge Runtime • Fastly Compute@Edge • Deno • Bun • Node.js • and more... 11
The same code runs on all platforms 12
Cloudflare Workers and Bun
Fastly Compute@Edge and Vercel Edge Runtime
Deno
Node.js
Thanks to Web standards • Zero-dependencies / No poly fi
ll • Web-interoperable Runtimes will be powered by WinterCG 17
Cloudflare Workers 18 ref: https://developers.cloud fl are.com/workers/runtime-apis/
Deno 19 ref: https://deno.land/manual@v1.28.2/runtime/web_platform_apis
Bun 20 ref: https://github.com/oven-sh/bun#Reference
Node.js 21 ref: https://github.com/honojs/node-server • Using `@remix-run/web-fetch`
context.ts 22 Discussion in WinterCG => https://github.com/wintercg/runtime-keys/pull/2
Great 👍 23
Concept 2 Ultrafast 24
Cloudflare Workers 25 ref: https://github.com/honojs/hono/tree/main/benchmarks/handle-event
Deno 26 ref: https://github.com/denosaurs/bench
Bun 27 ref: https://github.com/SaltyAom/bun-http-framework-benchmark
Node.js • Fastify • Reqs/sec 63417.00 5358.22 67487.06 • Express
• Reqs/sec 20709.94 1683.03 23045.34 • Hono with @honojs/node-server • Reqs/sec 32054.95 2642.04 35583.36 28
Node.js - router 29 Decode URI, Handle Query strings Does
not support regexp Does not support regexp
Why so fast? 30
3+1 Routers 1. StaticRouter • Fastest, supports only static routes.
2. RegExpRouter • Faster, supports almost routes. 3. TrieRouter • Slowest, supports all routes. But it's faster than other routers in the world. 31
"Linear" router 32
ref: https://github.com/yusukebe/pico
TrieRouter • Using Trie Tree structure • Support all patterns
34
None
RegExpRouter • Match the route with using one big Regex
made before dispatch. • By @usualoma • https://speakerdeck.com/usualoma/ultrafast-js-router 36
37
StaticRouter • Optimized for static routings • Does not support
dynamic routings such as "path parameters" 38
None
SmartRouter • The default router • Automatically picks the best
router from the three routers. 40 • StaticRouter • RegExpRouter • TrieRouter
Great 👍 41
Concept 3 Middleware 42
Small core • hono.ts • context.ts • compose.ts • request.ts
43 Basic app with Wrangler: Total Upload: 34.15 KiB / gzip: 8.26 KiB
Three types of Middleware • Built-in Middleware - including the
package • Custom Middleware - created by the users • Third-party Middleware - depends on external libraries 44
Built-in Middleware • Basic Auth • Bearer Auth • Cache
• Compress • CORS • Etag • html • JSX • JWT Auth • Logger • Pretty JSON • Serve Static • Validator 45
JSX Middleware 46
Validator Middleware 47
Custom Middleware 48
Third-party Middleware 49 • GraphQL Server • Firebase Auth •
Sentry • tRPC (?) ref: https://github.com/honojs/hono/issues/582
Great 👍 50
Concept 4 Experience 51
TypeScript • Wrangler, Deno, and Bun fi rst-class support TypeScript.
52
Path parameters 53
Validator Middleware 54
Easy to write tests • With `jest-environment-mini fl are` •
We can do test `Request` to `Response` 55
Great 👍 56
Example: Blog 57
import 58
Model 59
Logic 60
JSX 61
GET / 62
POST /post 63
Use cases in the real world 64
With Cloudflare R2 65 • github.com/yusukebe/r2-image-worker • Store and Deliver
images with R2 backend Cloud fl are Workers. ref: https://github.com/yusukebe/r2-image-worker
With Cloudflare D1 66 ref: https://blog.cloud fl are.com/making-static-sites-dynamic-with-cloud fl are-d1/
Cache control 67 ref: https://yusukebe.com/posts/2022/wsh/
Express alternative on Bun 68
Feature plans 69
Ecosystem • For Third-party Middleware • monorepo • API specs
as Types • tRPC like, but integrated 70
API specs as Types 71 ref: https://github.com/honojs/hono/issues/582
And... 72
Going to Standard web framework for Web standards 73
One more thing 74
Pico 75 Pico is ultra-tiny (about 1kB) web framework using
URLPattern. Pico works on Cloud fl are Workers and Deno. Pico is compatible with Hono.
Love 76
Thanks • Thanks to all contributors, all supporters, and all
users!! 77
Try Hono! 78 https://honojs.dev