added unit testing, and started implementing unit tests...phew

node_modules/lodash/_safeGet.js

@@ -0,0 +1,17 @@
+/**
+ * Gets the value at `key`, unless `key` is "__proto__".
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {string} key The key of the property to get.
+ * @returns {*} Returns the property value.
+ */
+function safeGet(object, key) {
+  if (key == '__proto__') {
+    return;
+  }
+
+  return object[key];
+}
+
+module.exports = safeGet;