use default value

Author: georapbox

packages/objects/pickBy/pickBy.js

@@ -59,7 +59,7 @@
  * });
  * // => {}
  */
-const pickBy = (object, predicate, pickOwnKeys) => {
+const pickBy = (object, predicate, pickOwnKeys = true) => {
   const result = {};
   const type = Object.prototype.toString.call(object);
 
@@ -79,10 +79,6 @@ const pickBy = (object, predicate, pickOwnKeys) => {
     throw new TypeError('Expected a function for second argument');
   }
 
-  if (typeof pickOwnKeys === 'undefined') {
-    pickOwnKeys = true;
-  }
-
   if (typeof pickOwnKeys !== 'boolean') {
     throw new TypeError('Expected a boolean for third argument');
   }