diff --git a/src/helpers/versionTree.js b/src/helpers/versionTree.js
index 3384a7d..4755deb 100644
--- a/src/helpers/versionTree.js
+++ b/src/helpers/versionTree.js
@@ -3,7 +3,10 @@
 module.exports = (components) => versionTree(components)
 
 function versionTree (components) {
-  return components.map((comp) => {
+  if (!components || !Array.isArray(components)) {
+    return []
+  }
+  return components?.map((comp) => {
     return {
       ...comp,
       versions: splitVersions(comp.versions),