Fix Netlify adapter and dynamic routes (#3011)

* Fix Netlify adapter and dynamic routes

* Changeset

10 files changed, 82 insertions, 18 deletions

diff --git a/.changeset/nervous-chairs-check.md b/.changeset/nervous-chairs-check.md
new file mode 100644
index 000000000..bce6918fc
--- /dev/null
+++ b/.changeset/nervous-chairs-check.md
@@ -0,0 +1,6 @@
+---
+'astro': patch
+'@astrojs/netlify': patch
+---
+
+Fixes dynamic routes in the Netlify adapter
diff --git a/package.json b/package.json
index 9883dfd85..65399af15 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "build:ci": "turbo run build:ci --no-deps --scope=astro --scope=create-astro --scope=\"@astrojs/*\"",
     "build:examples": "turbo run build --scope=\"@example/*\"",
     "dev": "turbo run dev --no-deps --no-cache --parallel --scope=astro --scope=create-astro --scope=\"@astrojs/*\"",
-    "test": "pnpm run test --filter astro --filter @astrojs/webapi --filter @astrojs/deno",
+    "test": "pnpm run test --filter astro --filter @astrojs/webapi --filter @astrojs/deno --filter @astrojs/netlify",
     "test:match": "cd packages/astro && pnpm run test:match",
     "test:templates": "pnpm run test --filter create-astro",
     "test:smoke": "node scripts/smoke/index.js",
diff --git a/packages/astro/src/@types/astro.ts b/packages/astro/src/@types/astro.ts
index b0563d9aa..76e24a4a0 100644
--- a/packages/astro/src/@types/astro.ts
+++ b/packages/astro/src/@types/astro.ts
@@ -798,12 +798,19 @@ export interface AstroIntegration {
 
 export type RouteType = 'page' | 'endpoint';
 
+export interface RoutePart {
+	content: string;
+	dynamic: boolean;
+	spread: boolean;
+}
+
 export interface RouteData {
 	component: string;
 	generate: (data?: any) => string;
 	params: string[];
 	pathname?: string;
 	pattern: RegExp;
+	segments: RoutePart[][];
 	type: RouteType;
 }
 
diff --git a/packages/astro/src/core/routing/manifest/create.ts b/packages/astro/src/core/routing/manifest/create.ts
index ec1d6a578..9555d9753 100644
--- a/packages/astro/src/core/routing/manifest/create.ts
+++ b/packages/astro/src/core/routing/manifest/create.ts
@@ -1,4 +1,4 @@
-import type { AstroConfig, ManifestData, RouteData } from '../../../@types/astro';
+import type { AstroConfig, ManifestData, RouteData, RoutePart } from '../../../@types/astro';
 import type { LogOptions } from '../../logger/core';
 
 import fs from 'fs';
@@ -9,16 +9,10 @@ import { fileURLToPath } from 'url';
 import { warn } from '../../logger/core.js';
 import { resolvePages } from '../../util.js';
 
-interface Part {
-	content: string;
-	dynamic: boolean;
-	spread: boolean;
-}
-
 interface Item {
 	basename: string;
 	ext: string;
-	parts: Part[];
+	parts: RoutePart[];
 	file: string;
 	isDir: boolean;
 	isIndex: boolean;
@@ -35,7 +29,7 @@ function countOccurrences(needle: string, haystack: string) {
 }
 
 function getParts(part: string, file: string) {
-	const result: Part[] = [];
+	const result: RoutePart[] = [];
 	part.split(/\[(.+?\(.+?\)|.+?)\]/).map((str, i) => {
 		if (!str) return;
 		const dynamic = i % 2 === 1;
@@ -56,7 +50,7 @@ function getParts(part: string, file: string) {
 	return result;
 }
 
-function getPattern(segments: Part[][], addTrailingSlash: AstroConfig['trailingSlash']) {
+function getPattern(segments: RoutePart[][], addTrailingSlash: AstroConfig['trailingSlash']) {
 	const pathname = segments
 		.map((segment) => {
 			return segment[0].spread
@@ -94,7 +88,7 @@ function getTrailingSlashPattern(addTrailingSlash: AstroConfig['trailingSlash'])
 	return '\\/?$';
 }
 
-function getGenerator(segments: Part[][], addTrailingSlash: AstroConfig['trailingSlash']) {
+function getGenerator(segments: RoutePart[][], addTrailingSlash: AstroConfig['trailingSlash']) {
 	const template = segments
 		.map((segment) => {
 			return segment[0].spread
@@ -181,7 +175,7 @@ export function createRouteManifest(
 	const validPageExtensions: Set<string> = new Set(['.astro', '.md']);
 	const validEndpointExtensions: Set<string> = new Set(['.js', '.ts']);
 
-	function walk(dir: string, parentSegments: Part[][], parentParams: string[]) {
+	function walk(dir: string, parentSegments: RoutePart[][], parentParams: string[]) {
 		let items: Item[] = [];
 		fs.readdirSync(dir).forEach((basename) => {
 			const resolved = path.join(dir, basename);
@@ -285,6 +279,7 @@ export function createRouteManifest(
 				routes.push({
 					type: item.isPage ? 'page' : 'endpoint',
 					pattern,
+					segments,
 					params,
 					component,
 					generate,
diff --git a/packages/astro/src/core/routing/manifest/serialization.ts b/packages/astro/src/core/routing/manifest/serialization.ts
index e167eb374..fcd932738 100644
--- a/packages/astro/src/core/routing/manifest/serialization.ts
+++ b/packages/astro/src/core/routing/manifest/serialization.ts
@@ -1,11 +1,12 @@
-import type { RouteData, SerializedRouteData } from '../../../@types/astro';
+import type { RouteData, SerializedRouteData, RoutePart } from '../../../@types/astro';
 
 function createRouteData(
 	pattern: RegExp,
 	params: string[],
 	component: string,
 	pathname: string | undefined,
-	type: 'page' | 'endpoint'
+	type: 'page' | 'endpoint',
+	segments: RoutePart[][]
 ): RouteData {
 	return {
 		type,
@@ -15,6 +16,7 @@ function createRouteData(
 		// TODO bring back
 		generate: () => '',
 		pathname: pathname || undefined,
+		segments
 	};
 }
 
@@ -26,7 +28,7 @@ export function serializeRouteData(routeData: RouteData): SerializedRouteData {
 }
 
 export function deserializeRouteData(rawRouteData: SerializedRouteData) {
-	const { component, params, pathname, type } = rawRouteData;
+	const { component, params, pathname, type, segments } = rawRouteData;
 	const pattern = new RegExp(rawRouteData.pattern);
-	return createRouteData(pattern, params, component, pathname, type);
+	return createRouteData(pattern, params, component, pathname, type, segments);
 }
diff --git a/packages/integrations/netlify/package.json b/packages/integrations/netlify/package.json
index 4402076c1..ed3d1ff36 100644
--- a/packages/integrations/netlify/package.json
+++ b/packages/integrations/netlify/package.json
@@ -21,7 +21,8 @@
   },
   "scripts": {
     "build": "astro-scripts build \"src/**/*.ts\" && tsc",
-    "dev": "astro-scripts dev \"src/**/*.ts\""
+    "dev": "astro-scripts dev \"src/**/*.ts\"",
+    "test": "mocha --exit --timeout 20000"
   },
   "dependencies": {
     "@astrojs/webapi": "^0.11.0"
diff --git a/packages/integrations/netlify/src/index.ts b/packages/integrations/netlify/src/index.ts
index 181303e33..aa1b5d33c 100644
--- a/packages/integrations/netlify/src/index.ts
+++ b/packages/integrations/netlify/src/index.ts
@@ -53,6 +53,10 @@ function netlifyFunctions({ dist }: NetlifyFunctionsOptions = {}): AstroIntegrat
 					if (route.pathname) {
 						_redirects += `
 ${route.pathname}    /.netlify/functions/${entryFile}    200`;
+					} else {
+						const pattern = '/' + route.segments.map(([part]) => part.dynamic ? '*' : part.content).join('/');
+						_redirects += `
+${pattern}    /.netlify/functions/${entryFile}    200`;
 					}
 				}
 
diff --git a/packages/integrations/netlify/test/dynamic-route.test.js b/packages/integrations/netlify/test/dynamic-route.test.js
new file mode 100644
index 000000000..bc9335bfe
--- /dev/null
+++ b/packages/integrations/netlify/test/dynamic-route.test.js
@@ -0,0 +1,37 @@
+import { expect } from 'chai';
+import { load as cheerioLoad } from 'cheerio';
+import { loadFixture } from '../../../astro/test/test-utils.js';
+import netlifyAdapter from '../dist/index.js';
+import { fileURLToPath } from 'url';
+
+// Asset bundling
+describe('Dynamic pages', () => {
+	/** @type {import('../../../astro/test/test-utils').Fixture} */
+	let fixture;
+
+	before(async () => {
+		fixture = await loadFixture({
+			root: new URL('./fixtures/dynamic-route/', import.meta.url).toString(),
+			experimental: {
+				ssr: true,
+			},
+			adapter: netlifyAdapter({
+				dist: new URL('./fixtures/dynamic-route/dist/', import.meta.url)
+			}),
+			site: `http://example.com`,
+			vite: {
+				resolve: {
+					alias: { 
+						'@astrojs/netlify/netlify-functions.js': fileURLToPath(new URL('../dist/netlify-functions.js', import.meta.url))
+					}
+				}
+			}
+		});
+		await fixture.build();
+	});
+
+	it('Dynamic pages are included in the redirects file', async () => {
+		const redir = await fixture.readFile('/_redirects');
+		expect(redir).to.match(/\/products\/\*/);
+	});
+});
diff --git a/packages/integrations/netlify/test/fixtures/.gitignore b/packages/integrations/netlify/test/fixtures/.gitignore
new file mode 100644
index 000000000..916f60644
--- /dev/null
+++ b/packages/integrations/netlify/test/fixtures/.gitignore
@@ -0,0 +1 @@
+**/netlify
diff --git a/packages/integrations/netlify/test/fixtures/dynamic-route/src/pages/products/[id].astro b/packages/integrations/netlify/test/fixtures/dynamic-route/src/pages/products/[id].astro
new file mode 100644
index 000000000..5ed06d251
--- /dev/null
+++ b/packages/integrations/netlify/test/fixtures/dynamic-route/src/pages/products/[id].astro
@@ -0,0 +1,11 @@
+---
+
+---
+<html>
+<head>
+	<title>Testing</title>
+</head>
+<body>
+	<h1>Testing</h1>
+</body>
+</html>