From ae93647777d26c870a968ab6f2b79d62bf6390ea Mon Sep 17 00:00:00 2001
From: NullVoxPopuli <LPSego3+dev@gmail.com>
Date: Thu, 16 Dec 2021 19:14:41 -0500
Subject: [PATCH] Use more explicit cacheKeyForTree

---
 packages/ember/src/index.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/ember/src/index.ts b/packages/ember/src/index.ts
index 0411d03..7539322 100644
--- a/packages/ember/src/index.ts
+++ b/packages/ember/src/index.ts
@@ -138,7 +138,16 @@ module.exports = {
   // Re-enables caching of this addon, due to opting out
   // of the caching implicitly by specifying treeFor* methods
   cacheKeyForTree(treeType) {
-    return cacheKeyForTree(treeType, this);
+    switch (treeType) {
+      case 'app': {
+        const sources = (this.docfyConfig as DocfyConfig).sources
+          .map((item) => item.root)
+          .join(',');
+        return cacheKeyForTree(treeType, this, [sources]);
+      }
+      default:
+        return cacheKeyForTree(treeType, this);
+    }
   },
 
   treeForApp(tree: Node): Node {