Fresh 2 support

.github/workflows/deno.yml

@@ -26,4 +26,4 @@ jobs:
         with:
           deno-version: ${{ matrix.deno }}
       - run: deno --version
-      - run: deno test --allow-net --allow-env test/deno/*.js
+      - run: deno install && deno test --allow-net --allow-env test/deno/*.js

README.md

@@ -238,6 +238,35 @@ app.get('/', async (req) => {
 await app.listen({ port })
 ```
 
+#### Fresh 2.x
+
+```js
+import i18next from 'https://deno.land/x/i18next/index.js'
+import i18nextMiddleware from 'https://deno.land/x/i18next_http_middleware/index.js'
+import { App, createDefine } from "jsr:@fresh/core";
+
+i18next
+  .use(i18nextMiddleware.LanguageDetector)
+  .init({
+    preload: ["en", "fr"],
+    fallbackLng: "en",
+    resources: {
+      en: {
+        translation: { hi: "hello" }
+      },
+      fr: {
+        translation: { hi: "bonjour" }
+      }
+    }
+  });
+
+const app = new App()
+  .use(i18nextMiddleware.freshPlugin(i18next))
+  .get("/", (ctx) => {
+    return new Response(ctx.state.t('hi'))
+  });
+```
+
 ## add routes
 
 ```js

lib/index.js

@@ -137,6 +137,18 @@ export function koaPlugin (i18next, options) {
   }
 }
 
+export function freshPlugin (i18next) {
+  return async (ctx) => {
+    const placeholder = { headers: new Headers() }
+    handle(i18next, { attachLocals: true })(ctx.req, placeholder, () => {})
+    ctx.state.t = placeholder.locals.t
+    ctx.state.i18n = placeholder.locals.i18n
+    const resp = await ctx.next()
+    resp.headers.set('Content-Language', placeholder.headers.get('Content-Language'))
+    return resp
+  }
+}
+
 export const hapiPlugin = {
   name: 'i18next-http-middleware',
   version: '1',
@@ -311,6 +323,7 @@ export default {
   plugin,
   hapiPlugin,
   koaPlugin,
+  freshPlugin,
   handle,
   getResourcesHandler,
   missingKeyHandler,

package.json

@@ -32,6 +32,8 @@
     "@babel/core": "7.26.0",
     "@babel/preset-env": "7.26.0",
     "@hapi/hapi": "^21.3.12",
+    "@opentelemetry/api": "^1.9.0",
+    "@preact/signals": "^2.2.1",
     "@types/express-serve-static-core": "^5.0.1",
     "@koa/router": "12.0.1",
     "koa": "2.16.1",
@@ -48,6 +50,8 @@
     "fastify": "5.3.2",
     "i18next": "25.5.2",
     "mocha": "10.8.2",
+    "preact": "10.27.2",
+    "preact-render-to-string": "6.6.3",
     "supertest": "7.0.0",
     "tsd": "0.31.2",
     "uglify-js": "3.19.3"

test/deno/middleware.fresh.js

@@ -0,0 +1,40 @@
+import { expect } from 'jsr:@std/expect'
+import { assertEquals, assertNotEquals } from 'https://deno.land/std/testing/asserts.ts'
+import i18next from 'https://deno.land/x/i18next/index.js'
+import i18nextMiddleware from '../../index.js'
+const { test } = Deno
+import { App } from "jsr:@fresh/core";
+
+i18next
+  .use(i18nextMiddleware.LanguageDetector)
+  .init({
+    preload: ["en", "fr"],
+    fallbackLng: "en",
+    resources: {
+      en: {
+        translation: { hi: "hello" }
+      },
+      fr: {
+        translation: { hi: "bonjour" }
+      }
+    }
+  });
+
+test('middleware fresh', async () => {
+  const handler = new App()
+    .use(i18nextMiddleware.freshPlugin(i18next))
+    .get("/", (ctx) => {
+      return new Response(ctx.state.t('hi'))
+    })
+    .handler();
+
+  const headers = new Headers()
+  headers.append('Accept-Language', 'fr')
+  const res = await handler(
+    new Request('http://localhost',
+    { headers }
+  ));
+  const resHeaders = Object.fromEntries(res.headers.entries())
+  expect(resHeaders).toEqual(expect.objectContaining({ 'content-language': 'fr'}))
+  expect(await res.text()).toEqual("bonjour")
+})