From 561c80cc742ad40d33a70d680ab00480c5981de2 Mon Sep 17 00:00:00 2001
From: Nikita <cool.nikita734@gmail.com>
Date: Mon, 7 Aug 2023 16:39:15 +0200
Subject: [PATCH 1/3] solution

---
 src/transformState.js | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/transformState.js b/src/transformState.js
index a1eaa0640..de4bd938a 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -6,6 +6,36 @@
  */
 function transformState(state, actions) {
   // write code here
+  for (const action of actions) {
+    const { type, extraData, keysToRemove } = action;
+
+    switch (type) {
+      case 'addProperties':
+        for (const key in extraData) {
+          state[key] = extraData[key];
+        }
+        break;
+
+      case 'removeProperties':
+        if (keysToRemove) {
+          for (const key of keysToRemove) {
+            if (state.hasOwnProperty(key)) {
+              delete state[key];
+            }
+          }
+        }
+        break;
+
+      case 'clear':
+        for (const key in state) {
+          delete state[key];
+        }
+        break;
+
+      default:
+        throw new Error(`Unknown action type: ${type}`);
+    }
+  }
 }
 
 module.exports = transformState;

From 0c829be02aa29d97924376d861d73206e0e72088 Mon Sep 17 00:00:00 2001
From: Nikita <cool.nikita734@gmail.com>
Date: Mon, 7 Aug 2023 17:05:54 +0200
Subject: [PATCH 2/3] develop

---
 src/transformState.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/transformState.js b/src/transformState.js
index de4bd938a..c9ad99422 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -7,21 +7,23 @@
 function transformState(state, actions) {
   // write code here
   for (const action of actions) {
-    const { type, extraData, keysToRemove } = action;
+    const { type } = action;
 
     switch (type) {
       case 'addProperties':
+        const { extraData } = action;
+
         for (const key in extraData) {
           state[key] = extraData[key];
         }
         break;
 
       case 'removeProperties':
+        const { keysToRemove } = action;
+
         if (keysToRemove) {
           for (const key of keysToRemove) {
-            if (state.hasOwnProperty(key)) {
-              delete state[key];
-            }
+            delete state[key];
           }
         }
         break;

From 88694856d0f1dec055c790ff951aa00abd144fbb Mon Sep 17 00:00:00 2001
From: Nikita <cool.nikita734@gmail.com>
Date: Mon, 7 Aug 2023 17:28:26 +0200
Subject: [PATCH 3/3] solution

---
 src/transformState.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/transformState.js b/src/transformState.js
index c9ad99422..fd36429f9 100644
--- a/src/transformState.js
+++ b/src/transformState.js
@@ -21,10 +21,8 @@ function transformState(state, actions) {
       case 'removeProperties':
         const { keysToRemove } = action;
 
-        if (keysToRemove) {
-          for (const key of keysToRemove) {
-            delete state[key];
-          }
+        for (const key of keysToRemove) {
+          delete state[key];
         }
         break;