From acee311e5cf5df6564850bb3dd4e5d0acff433e2 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <peterbe@github.com>
Date: Thu, 2 Feb 2023 14:29:22 -0500
Subject: [PATCH] Resolve Liquid in AUTOTITLE page titles (#34382)

---
 .../plugins/rewrite-local-links.js            | 20 +++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/render-content/plugins/rewrite-local-links.js b/lib/render-content/plugins/rewrite-local-links.js
index 4f5ab4363e..4e23e57467 100644
--- a/lib/render-content/plugins/rewrite-local-links.js
+++ b/lib/render-content/plugins/rewrite-local-links.js
@@ -31,7 +31,9 @@ export default function rewriteLocalLinks(context) {
   // There's no languageCode or version passed, so nothing to do
   if (!currentLanguage || !currentVersion) return
 
-  return (tree) => {
+  return async (tree) => {
+    const promises = []
+
     visit(tree, matcher, (node) => {
       const newHref = getNewHref(node, currentLanguage, currentVersion)
       if (newHref) {
@@ -39,19 +41,29 @@ export default function rewriteLocalLinks(context) {
       }
       for (const child of node.children) {
         if (child.value && AUTOTITLE.test(child.value)) {
-          child.value = getNewTitle(node.properties.href, context)
+          promises.push(getNewTitleSetter(child, node.properties.href, context))
         }
       }
     })
+
+    if (promises.length) {
+      await Promise.all(promises)
+    }
+
+    return tree
   }
 }
 
-function getNewTitle(href, context) {
+async function getNewTitleSetter(child, href, context) {
+  child.value = await getNewTitle(href, context)
+}
+
+async function getNewTitle(href, context) {
   const page = findPage(href, context.pages, context.redirects)
   if (!page) {
     throw new Error(`Unable to find Page by href '${href}'`)
   }
-  return page.title
+  return await page.renderProp('title', context, { textOnly: true })
 }
 
 function getNewHref(node, languageCode, version) {