From c1fb6f3ce933d6b835f9735313b7a345b18117d9 Mon Sep 17 00:00:00 2001
From: Anna Kovnatska <anna0725k@gmail.com>
Date: Sun, 17 Sep 2023 14:20:07 -0500
Subject: [PATCH] stateful object

---
 src/transformState.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/transformState.js b/src/transformState.js
index a1eaa0640..7178734d3 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -6,6 +6,25 @@
  */
 function transformState(state, actions) {
   // write code here
+  for (const action of actions) {
+    switch (action.type) {
+      case 'addProperties':
+        Object.assign(state, action.extraData);
+        break;
+
+      case 'removeProperties':
+        for (const key of action.keysToRemove) {
+          delete state[key];
+        }
+        break;
+
+      case 'clear':
+        for (const key in state) {
+          delete state[key];
+        }
+        break;
+    }
+  }
 }
 
 module.exports = transformState;