From 6afd00f9568ec44c9e7948c29ed18dbee651ede5 Mon Sep 17 00:00:00 2001
From: Dylan Piercey <dpiercey@ebay.com>
Date: Mon, 14 Aug 2023 10:23:49 -0700
Subject: [PATCH] fix: ensure .marko files resolved for renderer config

---
 .changeset/plenty-poems-attack.md              |  7 +++++++
 .../src/taglib/loader/loadTagFromProps.js      | 18 +++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/plenty-poems-attack.md

diff --git a/.changeset/plenty-poems-attack.md b/.changeset/plenty-poems-attack.md
new file mode 100644
index 0000000000..e0b4d49e71
--- /dev/null
+++ b/.changeset/plenty-poems-attack.md
@@ -0,0 +1,7 @@
+---
+"@marko/compiler": patch
+"marko": patch
+"@marko/translator-default": patch
+---
+
+Ensure .marko files are resolved for legacy renderer taglib configs.
diff --git a/packages/compiler/src/taglib/loader/loadTagFromProps.js b/packages/compiler/src/taglib/loader/loadTagFromProps.js
index 1ff38495af..d7e429f4b3 100644
--- a/packages/compiler/src/taglib/loader/loadTagFromProps.js
+++ b/packages/compiler/src/taglib/loader/loadTagFromProps.js
@@ -16,6 +16,22 @@ function resolveRelative(dirname, value) {
   return value[0] === "." ? resolveFrom(dirname, value) : value;
 }
 
+function resolveWithMarkoExt(dirname, value) {
+  if (
+    markoModules.require.extensions &&
+    !(".marko" in markoModules.require.extensions)
+  ) {
+    markoModules.require.extensions[".marko"] = undefined;
+    try {
+      return resolveFrom(dirname, value);
+    } finally {
+      delete markoModules.require.extensions[".marko"];
+    }
+  }
+
+  return resolveFrom(dirname, value);
+}
+
 function removeDashes(str) {
   return str.replace(/-([a-z])/g, function (match, lower) {
     return lower.toUpperCase();
@@ -300,7 +316,7 @@ class TagLoader {
    * @param {String} value The renderer path
    */
   renderer(value) {
-    this.tag.renderer = resolveRelative(this.dirname, value);
+    this.tag.renderer = resolveWithMarkoExt(this.dirname, value);
   }
 
   /**