Fix

storybookjs · Nov 21, 2019 · 723f27f · 723f27f
1 parent 87e705d
commit 723f27f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/addons/docs/src/lib/docgen/extractDocgenProps.ts b/addons/docs/src/lib/docgen/extractDocgenProps.ts
@@ -76,6 +76,6 @@ function extractProp(
   return null;
 }
 
-export function extractComponentDescription(component: Component): string {
-  return getDocgenDescription(component);
+export function extractComponentDescription(component?: Component): string {
+  return !isNil(component) && getDocgenDescription(component);
 }