Move internal modules to “internal” folder.

.internal/baseValues.js

@@ -0,0 +1,17 @@
+import arrayMap from './.internal/arrayMap.js';
+
+/**
+ * The base implementation of `values` and `valuesIn` which creates an
+ * array of `object` property values corresponding to the property names
+ * of `props`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array} props The property names to get values for.
+ * @returns {Object} Returns the array of property values.
+ */
+function baseValues(object, props) {
+  return arrayMap(props, key => object[key]);
+}
+
+export default baseValues;