From 94490fd44318d9c4565859dd8d43b642beee48f3 Mon Sep 17 00:00:00 2001
From: ErnestMk1 <ernmyr434@gmail.com>
Date: Tue, 3 Oct 2023 22:36:52 +0300
Subject: [PATCH 1/3] implemented task

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

diff --git a/src/transformStateWithClones.js b/src/transformStateWithClones.js
index 96d4f7e7e..cdf44784a 100644
--- a/src/transformStateWithClones.js
+++ b/src/transformStateWithClones.js
@@ -7,7 +7,30 @@
  * @return {Object[]}
  */
 function transformStateWithClones(state, actions) {
-  // write code here
+  const stateClone = { ...state };
+  const stateVersions = [];
+
+  for (const object of actions) {
+    if (object.type === 'addProperties') {
+      Object.assign(stateClone, object.extraData);
+
+      stateVersions.push({ ...stateClone });
+    } else if (object.type === 'removeProperties') {
+      for (const toRemove of object.keysToRemove) {
+        delete stateClone[toRemove];
+      }
+
+      stateVersions.push({ ...stateClone });
+    } else if (object.type === 'clear') {
+      for (const key in stateClone) {
+        delete stateClone[key];
+      }
+
+      stateVersions.push({ ...stateClone });
+    }
+  }
+
+  return stateVersions;
 }
 
 module.exports = transformStateWithClones;

From fd0d53bdc242cba0b219fd40d80e1d583fc92f7f Mon Sep 17 00:00:00 2001
From: ErnestMk1 <ernmyr434@gmail.com>
Date: Wed, 4 Oct 2023 21:44:51 +0300
Subject: [PATCH 2/3] made a destructuring. Replaced if/else with switch/case

---
 package.json                    |  2 +-
 src/transformStateWithClones.js | 37 +++++++++++++++++++--------------
 2 files changed, 22 insertions(+), 17 deletions(-)

diff --git a/package.json b/package.json
index 2452d97a9..42a7994fe 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "*",
-    "@mate-academy/scripts": "^0.3.5",
+    "@mate-academy/scripts": "^1.2.8",
     "eslint": "^5.16.0",
     "eslint-plugin-jest": "^22.4.1",
     "eslint-plugin-node": "^8.0.1",
diff --git a/src/transformStateWithClones.js b/src/transformStateWithClones.js
index cdf44784a..e8a172409 100644
--- a/src/transformStateWithClones.js
+++ b/src/transformStateWithClones.js
@@ -11,22 +11,27 @@ function transformStateWithClones(state, actions) {
   const stateVersions = [];
 
   for (const object of actions) {
-    if (object.type === 'addProperties') {
-      Object.assign(stateClone, object.extraData);
-
-      stateVersions.push({ ...stateClone });
-    } else if (object.type === 'removeProperties') {
-      for (const toRemove of object.keysToRemove) {
-        delete stateClone[toRemove];
-      }
-
-      stateVersions.push({ ...stateClone });
-    } else if (object.type === 'clear') {
-      for (const key in stateClone) {
-        delete stateClone[key];
-      }
-
-      stateVersions.push({ ...stateClone });
+    const { type, extraData, keysToRemove } = object;
+
+    switch (type) {
+      case 'addProperties':
+        Object.assign(stateClone, extraData);
+
+        stateVersions.push({ ...stateClone });
+        break;
+      case 'removeProperties':
+        for (const toRemove of keysToRemove) {
+          delete stateClone[toRemove];
+        }
+
+        stateVersions.push({ ...stateClone });
+        break;
+      case 'clear':
+        for (const key in stateClone) {
+          delete stateClone[key];
+        }
+
+        stateVersions.push({ ...stateClone });
     }
   }
 

From 7f9fae2580cdad7518920572e5e32937877d36d9 Mon Sep 17 00:00:00 2001
From: ErnestMk1 <ernmyr434@gmail.com>
Date: Thu, 5 Oct 2023 14:11:32 +0300
Subject: [PATCH 3/3] made saving of a state only once in the end of the loop

---
 src/transformStateWithClones.js | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/transformStateWithClones.js b/src/transformStateWithClones.js
index e8a172409..7f1156c4d 100644
--- a/src/transformStateWithClones.js
+++ b/src/transformStateWithClones.js
@@ -7,7 +7,7 @@
  * @return {Object[]}
  */
 function transformStateWithClones(state, actions) {
-  const stateClone = { ...state };
+  let stateClone = { ...state };
   const stateVersions = [];
 
   for (const object of actions) {
@@ -17,22 +17,18 @@ function transformStateWithClones(state, actions) {
       case 'addProperties':
         Object.assign(stateClone, extraData);
 
-        stateVersions.push({ ...stateClone });
         break;
       case 'removeProperties':
         for (const toRemove of keysToRemove) {
           delete stateClone[toRemove];
         }
 
-        stateVersions.push({ ...stateClone });
         break;
       case 'clear':
-        for (const key in stateClone) {
-          delete stateClone[key];
-        }
-
-        stateVersions.push({ ...stateClone });
+        stateClone = {};
     }
+
+    stateVersions.push({ ...stateClone });
   }
 
   return stateVersions;