Fix npm entrypoints for @fedify/astro

.agents/skills/commit/SKILL.md

@@ -42,8 +42,8 @@ EOF
 
 Don't put `Generated with [Claude Code](https://claude.ai/code)`, or
 `Co-authored-by` trailers at the end of the commit message.  Instead,
-use the `Assiged-by` trailer to indicate that the commit was generated by
-an AI assistant, if necessary.  The format of the `Assiged-by` trailer should
+use the `Assisted-by` trailer to indicate that the commit was generated by
+an AI assistant, if necessary.  The format of the `Assisted-by` trailer should
 be:
 
 ~~~~

CHANGES.md

@@ -8,6 +8,17 @@ Version 2.1.6
 
 To be released.
 
+### @fedify/astro
+
+ -  Restored the npm entrypoint contract for `@fedify/astro` by making the
+    build emit _dist/\*.js_ and _dist/\*.d.ts_ files that match the published
+    package metadata again.  This fixes package resolution failures caused by
+    _package.json_ exporting files that did not exist in the npm tarball.
+    [[#699], [#701]]
+
+[#699]: https://github.com/fedify-dev/fedify/issues/699
+[#701]: https://github.com/fedify-dev/fedify/pull/701
+
 ### @fedify/cli
 
  -  Fixed `fedify lookup` failing to look up URLs on private or localhost

packages/astro/package.json

@@ -61,6 +61,7 @@
     "build": "pnpm --filter @fedify/astro... run build:self",
     "prepack": "pnpm build",
     "prepublish": "pnpm build",
+    "pretest": "pnpm build",
     "test": "node --experimental-transform-types --test"
   }
 }

packages/astro/src/package.test.ts

@@ -0,0 +1,179 @@
+import { deepStrictEqual, strictEqual } from "node:assert/strict";
+import { access, readFile } from "node:fs/promises";
+import { createRequire } from "node:module";
+import { dirname, resolve } from "node:path";
+import test from "node:test";
+import { fileURLToPath } from "node:url";
+import type {
+  Federation,
+  FederationFetchOptions,
+} from "@fedify/fedify/federation";
+import type { APIContext } from "astro";
+
+const require = createRequire(import.meta.url);
+const packageDir = resolve(dirname(fileURLToPath(import.meta.url)), "..");
+
+type MockFederation<TContextData> = Pick<Federation<TContextData>, "fetch">;
+
+function toFederation<TContextData>(
+  federation: MockFederation<TContextData>,
+): Federation<TContextData> {
+  return federation as Federation<TContextData>;
+}
+
+function toApiContext(context: Pick<APIContext, "request">): APIContext {
+  return context as APIContext;
+}
+
+function expectResponse(response: void | Response): Response {
+  if (!(response instanceof Response)) {
+    throw new TypeError("Expected middleware to return a Response");
+  }
+  return response;
+}
+
+function expectTarget(actual: unknown, expected: string, key: string): string {
+  strictEqual(actual, expected, `Expected ${key} to be ${expected}`);
+  return actual;
+}
+
+async function assertTargetExists(path: string): Promise<void> {
+  await access(resolve(packageDir, path));
+}
+
+test("self-reference ESM import exposes working Astro integration API", async () => {
+  const mod = await import("@fedify/astro");
+
+  strictEqual(typeof mod.fedifyIntegration, "function");
+  strictEqual(typeof mod.fedifyMiddleware, "function");
+
+  const integration = mod.fedifyIntegration();
+  strictEqual(integration.name, "@fedify/astro");
+
+  let capturedConfig: unknown;
+  (
+    integration.hooks as Record<
+      "astro:config:setup",
+      (args: { updateConfig(config: unknown): void }) => void
+    >
+  )["astro:config:setup"]({
+    updateConfig(config) {
+      capturedConfig = config;
+    },
+  });
+  deepStrictEqual(capturedConfig, {
+    vite: {
+      ssr: {
+        noExternal: ["@fedify/fedify", "@fedify/vocab"],
+      },
+    },
+  });
+
+  let capturedRequest: Request | undefined;
+  let capturedContextData: unknown;
+  const middleware = mod.fedifyMiddleware(
+    toFederation<string>({
+      async fetch(
+        request: Request,
+        options: FederationFetchOptions<string>,
+      ) {
+        capturedRequest = request;
+        capturedContextData = options.contextData;
+        if (options.onNotAcceptable == null) {
+          throw new TypeError("Expected onNotAcceptable to be defined");
+        }
+        return await options.onNotAcceptable(request);
+      },
+    }),
+    () => "test-context",
+  );
+
+  const request = new Request("https://example.com/");
+  const response = expectResponse(
+    await middleware(
+      toApiContext({ request }),
+      () => Promise.resolve(new Response("Not found", { status: 404 })),
+    ),
+  );
+  strictEqual(capturedRequest, request);
+  strictEqual(capturedContextData, "test-context");
+  strictEqual(response.status, 406);
+  strictEqual(response.headers.get("Vary"), "Accept");
+});
+
+test(
+  "self-reference CommonJS require exposes working Astro middleware API",
+  { skip: "Deno" in globalThis },
+  async () => {
+    const packageJson = JSON.parse(
+      await readFile(resolve(packageDir, "package.json"), "utf8"),
+    );
+    const exportMap = packageJson.exports["."];
+    const targets = [
+      expectTarget(packageJson.main, "./dist/mod.cjs", "package.json main"),
+      expectTarget(packageJson.module, "./dist/mod.js", "package.json module"),
+      expectTarget(packageJson.types, "./dist/mod.d.ts", "package.json types"),
+      expectTarget(
+        exportMap.require.types,
+        "./dist/mod.d.cts",
+        'package.json exports["."].require.types',
+      ),
+      expectTarget(
+        exportMap.require.default,
+        "./dist/mod.cjs",
+        'package.json exports["."].require.default',
+      ),
+      expectTarget(
+        exportMap.import.types,
+        "./dist/mod.d.ts",
+        'package.json exports["."].import.types',
+      ),
+      expectTarget(
+        exportMap.import.default,
+        "./dist/mod.js",
+        'package.json exports["."].import.default',
+      ),
+    ];
+
+    for (const target of new Set(targets)) {
+      await assertTargetExists(target);
+    }
+
+    const mod = require("@fedify/astro") as typeof import("@fedify/astro");
+
+    strictEqual(typeof mod.fedifyIntegration, "function");
+    strictEqual(typeof mod.fedifyMiddleware, "function");
+
+    let nextCalled = false;
+    const middleware = mod.fedifyMiddleware(
+      toFederation<void>({
+        async fetch(
+          _request: Request,
+          options: FederationFetchOptions<void>,
+        ) {
+          if (options.onNotFound == null) {
+            throw new TypeError("Expected onNotFound to be defined");
+          }
+          return await options.onNotFound(
+            new Request("https://example.com/actor"),
+          );
+        },
+      }),
+      () => undefined,
+    );
+
+    const response = expectResponse(
+      await middleware(
+        toApiContext({ request: new Request("https://example.com/inbox") }),
+        () => {
+          nextCalled = true;
+          return Promise.resolve(new Response("Handled by Astro"));
+        },
+      ),
+    );
+
+    strictEqual(nextCalled, true);
+    strictEqual(response.status, 200);
+    strictEqual(await response.text(), "Handled by Astro");
+  },
+);

packages/astro/tsdown.config.ts

@@ -5,4 +5,10 @@ export default defineConfig({
   dts: true,
   format: ["esm", "cjs"],
   platform: "node",
+  outExtensions({ format }) {
+    return {
+      js: format === "cjs" ? ".cjs" : ".js",
+      dts: format === "cjs" ? ".d.cts" : ".d.ts",
+    };
+  },
 });