From 37ce4c80c91a580515e2bbe29cae609fc1754663 Mon Sep 17 00:00:00 2001
From: John Simons <coolcucumber+github@gmail.com>
Date: Thu, 8 Jul 2021 16:23:36 -0700
Subject: [PATCH] Option to pre-render the dynamic routes

---
 packages/kit/src/core/adapt/prerender.js  |  6 ++++++
 packages/kit/src/core/adapt/test/index.js | 10 ++++++++--
 packages/kit/src/core/build/index.js      |  5 ++++-
 packages/kit/src/core/config/options.js   |  2 +-
 packages/kit/types/internal.d.ts          |  1 +
 5 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/packages/kit/src/core/adapt/prerender.js b/packages/kit/src/core/adapt/prerender.js
index f06afd18f91e..b80f2a0bf5f8 100644
--- a/packages/kit/src/core/adapt/prerender.js
+++ b/packages/kit/src/core/adapt/prerender.js
@@ -236,6 +236,12 @@ export async function prerender({ cwd, out, log, config, build_data, fallback, a
 			for (const entry of build_data.entries) {
 				await visit(entry, null);
 			}
+		} else if (entry === '**') {
+			for (const route of build_data.dynamic_routes) {
+				const svelte_path = route.a[route.a.length - 1];
+				const match = svelte_path.match(/^src\/routes(.*)\.svelte$/);
+				await visit(match[1], null);
+			}
 		} else {
 			await visit(entry, null);
 		}
diff --git a/packages/kit/src/core/adapt/test/index.js b/packages/kit/src/core/adapt/test/index.js
index 8650927a4093..ddaf7fb49470 100644
--- a/packages/kit/src/core/adapt/test/index.js
+++ b/packages/kit/src/core/adapt/test/index.js
@@ -40,7 +40,7 @@ suite('copy files', () => {
 	};
 
 	/** @type {import('types/internal').BuildData} */
-	const build_data = { client: [], server: [], static: [], entries: [] };
+	const build_data = { client: [], server: [], static: [], entries: [], dynamic_routes: [] };
 
 	const utils = get_utils({ cwd, config, build_data, log });
 
@@ -91,7 +91,13 @@ suite('prerender', async () => {
 	};
 
 	/** @type {import('types/internal').BuildData} */
-	const build_data = { client: [], server: [], static: [], entries: ['/nested'] };
+	const build_data = {
+		client: [],
+		server: [],
+		static: [],
+		entries: ['/nested'],
+		dynamic_routes: []
+	};
 
 	const utils = get_utils({ cwd, config, build_data, log });
 
diff --git a/packages/kit/src/core/build/index.js b/packages/kit/src/core/build/index.js
index da8cb87ff7f6..2af1d1cdfa8e 100644
--- a/packages/kit/src/core/build/index.js
+++ b/packages/kit/src/core/build/index.js
@@ -74,7 +74,10 @@ export async function build(config, { cwd = process.cwd(), runtime = '@sveltejs/
 		static: options.manifest.assets.map((asset) => posixify(asset.file)),
 		entries: options.manifest.routes
 			.map((route) => route.type === 'page' && route.path)
-			.filter(Boolean)
+			.filter(Boolean),
+		// prettier-ignore
+		/** @type import('types/internal').PageData[] */
+		dynamic_routes: (options.manifest.routes.filter((route) => route.type === 'page' && !route.path))
 	};
 }
 
diff --git a/packages/kit/src/core/config/options.js b/packages/kit/src/core/config/options.js
index 567a8c2b906b..ebdda436dbfc 100644
--- a/packages/kit/src/core/config/options.js
+++ b/packages/kit/src/core/config/options.js
@@ -130,7 +130,7 @@ const options = {
 							}
 
 							option.forEach((page) => {
-								if (page !== '*' && page[0] !== '/') {
+								if (page !== '*' && page !== '**' && page[0] !== '/') {
 									throw new Error(
 										`Each member of ${keypath} must be either '*' or an absolute path beginning with '/' — saw '${page}'`
 									);
diff --git a/packages/kit/types/internal.d.ts b/packages/kit/types/internal.d.ts
index 7f4ef6f9cea4..da8e11af3f68 100644
--- a/packages/kit/types/internal.d.ts
+++ b/packages/kit/types/internal.d.ts
@@ -200,6 +200,7 @@ export type BuildData = {
 	server: string[];
 	static: string[];
 	entries: string[];
+	dynamic_routes: PageData[];
 };
 
 export type NormalizedLoadOutput = {