From f002576a3c24f824a5eb122a044e10067da41b0e Mon Sep 17 00:00:00 2001
From: Sarah Schneider <sarahs@users.noreply.github.com>
Date: Tue, 14 Mar 2023 09:57:24 -0400
Subject: [PATCH] [Take 2] Throw error if children entry can't be found, even
 if early access (#35523)

---
 lib/create-tree.js | 20 +++++++++++---------
 server.js          |  6 +++++-
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/lib/create-tree.js b/lib/create-tree.js
index 2bdab9a95c..aaea8fd1b8 100644
--- a/lib/create-tree.js
+++ b/lib/create-tree.js
@@ -30,14 +30,19 @@ export default async function createTree(originalPath, rootPath, previousTree) {
     try {
       mtime = await getMtime(filepath)
     } catch (error) {
-      if (error.code === 'ENOENT' && filepath.split(path.sep).includes('early-access')) {
-        // Do not throw an error if Early Access is not available.
-        console.warn(
-          `${filepath} could not be turned into a Page, but is ignored because it's early-access`
-        )
+      if (error.code !== 'ENOENT') {
+        throw error
+      }
+      // Throw an error if we can't find a content file associated with the children: entry.
+      // But don't throw an error if the user is running the site locally and hasn't cloned the Early Access repo.
+      if (originalPath === path.join('content', 'early-access')) {
         return
       }
-      throw error
+      throw new Error(
+        `Cannot find a content file at ${originalPath}. Fix the children frontmatter entry "/${path.basename(
+          originalPath
+        )}" in ${path.dirname(originalPath)}/index.md.\n`
+      )
     }
   }
 
@@ -114,9 +119,6 @@ export default async function createTree(originalPath, rootPath, previousTree) {
             // (early exit instead of returning a tree). So let's
             // mutate the `page.children` so we can benefit from the
             // ability to reload the site tree on consective requests.
-            if (child !== 'early-access') {
-              console.warn(`Remove '${child}' from ${item.page.children}`)
-            }
             item.page.children = item.page.children.filter((c) => c !== child)
           }
           return subTree
diff --git a/server.js b/server.js
index a48da58794..30354d42c8 100644
--- a/server.js
+++ b/server.js
@@ -1,3 +1,7 @@
 import { main } from './start-server.js'
 
-main()
+try {
+  await main()
+} catch (error) {
+  console.error(error)
+}