feat(indiekit): web app manifest

packages/indiekit/lib/controllers/manifest.js

@@ -0,0 +1,22 @@
+export const get = async (request, response) => {
+  const { application } = request.app.locals;
+
+  return response.type("application/manifest+json").json({
+    $schema: "https://json.schemastore.org/web-manifest-combined.json",
+    lang: application.locale,
+    name: application.name,
+    theme_color: application.themeColor,
+    icons: [
+      {
+        src: "assets/icon.svg",
+        sizes: "32x32",
+        type: "image/svg+xml",
+      },
+      {
+        src: "assets/app.png",
+        sizes: "1024x1024",
+        type: "image/png",
+      },
+    ],
+  });
+};

packages/indiekit/lib/routes.js

@@ -5,6 +5,7 @@ import rateLimit from "express-rate-limit";
 import * as assetsController from "./controllers/assets.js";
 import * as feedController from "./controllers/feed.js";
 import * as homepageController from "./controllers/homepage.js";
+import * as manifestController from "./controllers/manifest.js";
 import * as pluginController from "./controllers/plugin.js";
 import * as sessionController from "./controllers/session.js";
 import * as statusController from "./controllers/status.js";
@@ -50,6 +51,9 @@ export const routes = (indiekitConfig) => {
   // Feed
   router.get("/feed.jf2", feedController.jf2);
 
+  // Web App Manifest
+  router.get("/app.webmanifest", manifestController.get);
+
   // Session
   router.get("/session/login", limit, sessionController.login);
   router.post("/session/login", limit, indieauth.login());

packages/indiekit/tests/integration/200-manifest.js

@@ -0,0 +1,16 @@
+import test from "ava";
+import supertest from "supertest";
+import { testServer } from "@indiekit-test/server";
+
+test("Returns Web App Manifest", async (t) => {
+  const server = await testServer();
+  const request = supertest.agent(server);
+  const result = await request.get("/app.webmanifest");
+
+  t.is(result.status, 200);
+  t.is(result.type, "application/manifest+json");
+  t.is(result.body.name, "Test configuration");
+  t.truthy(result.body.icons);
+
+  server.close(t);
+});