--- /dev/null
+var baseCallback = require('./baseCallback'),
+ baseFind = require('./baseFind');
+
+/**
+ * Creates a `_.findKey` or `_.findLastKey` function.
+ *
+ * @private
+ * @param {Function} objectFunc The function to iterate over an object.
+ * @returns {Function} Returns the new find function.
+ */
+function createFindKey(objectFunc) {
+ return function(object, predicate, thisArg) {
+ predicate = baseCallback(predicate, thisArg, 3);
+ return baseFind(object, predicate, objectFunc, true);
+ };
+}
+
+module.exports = createFindKey;