From 19237a72371ddf09c6e057967fa35928ecdf02fc Mon Sep 17 00:00:00 2001
From: M DD <romamc78@gmail.com>
Date: Tue, 8 Aug 2023 22:21:22 +0300
Subject: [PATCH 1/2] js_stateful-object solution v1

---
 src/transformState.js | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/transformState.js b/src/transformState.js
index a1eaa0640..e75c7e325 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -5,7 +5,29 @@
  * @param {Object[]} actions
  */
 function transformState(state, actions) {
-  // write code here
+  for (const action of actions) {
+    const actionType = action.type;
+    const actionExtraData = action.extraData;
+    const actionKeysToRemove = action.keysToRemove;
+
+    if (actionType === 'addProperties') {
+      Object.assign(state, actionExtraData);
+    }
+
+    if (actionType === 'removeProperties') {
+      for (const property of actionKeysToRemove) {
+        delete state[property];
+      }
+    }
+
+    if (actionType === 'clear') {
+      for (const element in state) {
+        delete state[element];
+      }
+    }
+  }
+
+  return state;
 }
 
 module.exports = transformState;

From 05c6bd669275732c1720138a40264462c6c65cf2 Mon Sep 17 00:00:00 2001
From: M DD <romamc78@gmail.com>
Date: Fri, 11 Aug 2023 15:45:12 +0300
Subject: [PATCH 2/2] js_stateful-object solution v2

---
 src/transformState.js | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/src/transformState.js b/src/transformState.js
index e75c7e325..28f75ed47 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -7,23 +7,26 @@
 function transformState(state, actions) {
   for (const action of actions) {
     const actionType = action.type;
-    const actionExtraData = action.extraData;
-    const actionKeysToRemove = action.keysToRemove;
 
-    if (actionType === 'addProperties') {
-      Object.assign(state, actionExtraData);
-    }
+    switch (actionType) {
+      case 'addProperties':
+        Object.assign(state, action.extraData);
+        break;
 
-    if (actionType === 'removeProperties') {
-      for (const property of actionKeysToRemove) {
-        delete state[property];
-      }
-    }
+      case 'removeProperties':
+        for (const property of action.keysToRemove) {
+          delete state[property];
+        }
+        break;
+
+      case 'clear':
+        for (const element in state) {
+          delete state[element];
+        }
+        break;
 
-    if (actionType === 'clear') {
-      for (const element in state) {
-        delete state[element];
-      }
+      default:
+        break;
     }
   }