Force h3 to send the correct content-type for JSON (#324)

benchmarks/h3-router.cjs

@@ -1,12 +1,17 @@
 'use strict'
 
 const { createServer } = require('node:http')
-const { createApp, toNodeListener, eventHandler, createRouter } = require('h3')
+const { createApp, toNodeListener, eventHandler, createRouter, setHeader } = require('h3')
 
 const app = createApp()
 
 const router = createRouter()
-  .get('/', eventHandler(() => ({ hello: 'world' })))
+  .get('/', eventHandler((ev) => {
+    // Unfortunatly, we need to set the content-type manually
+    // to level the paying field
+    setHeader(ev, 'content-type', 'application/json; charset=utf-8')
+    return { hello: 'world' }
+  }))
 
 app.use(router)
 

benchmarks/h3.cjs

@@ -1,9 +1,14 @@
 'use strict'
 
 const { createServer } = require('node:http')
-const { createApp, toNodeListener, eventHandler } = require('h3')
+const { createApp, toNodeListener, eventHandler, setHeader } = require('h3')
 
 const app = createApp()
-app.use('/', eventHandler(() => ({ hello: 'world' })))
+app.use('/', eventHandler((ev) => {
+  // Unfortunatly, we need to set the content-type manually
+  // to level the paying field
+  setHeader(ev, 'content-type', 'application/json; charset=utf-8')
+  return { hello: 'world' }
+}))
 
 createServer(toNodeListener(app)).listen(process.env.PORT || 3000)

package.json

@@ -49,7 +49,7 @@
     "express": "^4.18.2",
     "fastify": "^4.10.2",
     "frameguard": "^4.0.0",
-    "h3": "^1.0.2",
+    "h3": "^1.10.0",
     "hide-powered-by": "^1.1.0",
     "hono": "^3.10.3",
     "hsts": "^2.2.0",