fix: Add check to getID() to return null if element has no set id (#22)

ericclemmons · Feb 20, 2017 · 02d4a42 · 02d4a42
1 parent 9a6d651
commit 02d4a42
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/getID.js b/src/getID.js
@@ -5,5 +5,11 @@
  */
 export function getID( el )
 {
-  return `#${el.getAttribute( 'id' )}`;
+  const id = el.getAttribute( 'id' );
+
+  if( id !== null )
+  {
+    return `#${id}`;
+  }
+  return null;
 }