init: nuxt adapter

app/src/adapter/nuxt/index.ts

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+export * from "./nuxt.adapter";

app/src/adapter/nuxt/nuxt.adapter.spec.ts

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+import { afterAll, beforeAll, describe } from "bun:test";
+import * as nuxt from "./nuxt.adapter";
+import { disableConsoleLog, enableConsoleLog } from "core/utils";
+import { adapterTestSuite } from "adapter/adapter-test-suite";
+import { bunTestRunner } from "adapter/bun/test";
+
+beforeAll(disableConsoleLog);
+afterAll(enableConsoleLog);
+
+describe("nuxt adapter", () => {
+   adapterTestSuite(bunTestRunner, {
+      makeApp: nuxt.getApp,
+      makeHandler: nuxt.serve,
+   });
+});

app/src/adapter/nuxt/nuxt.adapter.ts

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+import { createRuntimeApp, type RuntimeBkndConfig } from "bknd/adapter";
+
+export type NuxtEnv = NodeJS.ProcessEnv;
+export type NuxtBkndConfig<Env = NuxtEnv> = RuntimeBkndConfig<Env>;
+
+/**
+ * Get bknd app instance
+ * @param config - bknd configuration
+ * @param args - environment variables
+ */
+export async function getApp<Env>(
+   config: NuxtBkndConfig<Env> = {} as NuxtBkndConfig<Env>,
+   args: Env,
+) {
+   return await createRuntimeApp(config, args);
+}
+
+/**
+ * Create middleware handler for Nuxt
+ * @param config - bknd configuration
+ * @param args - environment variables
+ */
+export function serve<Env>(
+   config: NuxtBkndConfig<Env> = {} as NuxtBkndConfig<Env>,
+   args: Env,
+) {
+   return async (request: Request) => {
+      return (await getApp(config, args)).fetch(request);
+   };
+}