Solving task

.github/workflows/test.yml-template

@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test

package.json

@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",

src/transformStateWithClones.js

@@ -7,7 +7,31 @@
  * @return {Object[]}
  */
 function transformStateWithClones(state, actions) {
-  // write code here
+  const history = [];
+  let currentState = { ...state };
+
+  for (let i = 0; i < actions.length; i++) {
+    const action = actions[i];
+
+    if (action.type === 'addProperties') {
+      currentState = { ...currentState, ...action.extraData };
+      history.push({ ...currentState });
+    } else if (action.type === 'removeProperties') {
+      const nextState = { ...currentState };
+
+      for (const key of action.keysToRemove) {
+        delete nextState[key];
+      }
+
+      currentState = nextState;
+      history.push({ ...currentState });
+    } else if (action.type === 'clear') {
+      currentState = {};
+      history.push({ ...currentState });
+    }
+  }
+
+  return history;
 }
 
 module.exports = transformStateWithClones;