From 91d51f737e73f16a37bb358f86017f41fbcef365 Mon Sep 17 00:00:00 2001
From: Oleksandr <alex.volkovskyi@gmail.com>
Date: Tue, 23 Jan 2024 15:39:48 +0200
Subject: [PATCH] Solution

---
 src/transformState.js | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/transformState.js b/src/transformState.js
index a1eaa064..4a7147bc 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -5,7 +5,30 @@
  * @param {Object[]} actions
  */
 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) {
+          if (state.hasOwnProperty(key)) {
+            delete state[key];
+          }
+        }
+        break;
+
+      case 'clear':
+        for (const key in state) {
+          delete state[key];
+        }
+        break;
+
+      default:
+        throw new Error('Type not supported');
+    }
+  }
 }
 
 module.exports = transformState;