Add documentation for arrowKeyFocusablesOnBeforeFocus.

BrightspaceUI · Jun 13, 2018 · b8f2caa · b8f2caa
1 parent ea4fb9c
commit b8f2caa
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -142,7 +142,16 @@ attached: function() {
         });
       });
 
-    }.bind(this);
+    };
+
+    // optional callback before focus is applied
+    this.arrowKeyFocusablesOnBeforeFocus = function(elem) {
+        return new Promise(function(resolve) {
+            // do some stuff
+            resolve();
+        });
+    };
+
   });
 }
 ```