exercise finished

.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 +7,44 @@
  * @return {Object[]}
  */
 function transformStateWithClones(state, actions) {
-  // write code here
-}
+  let currentState = state;
+  const history = [];
+
+  for (const action of actions) {
+    let nextState;
+
+    switch (action.type) {
+      case 'clear':
+        nextState = {};
+        break;
+
+      case 'addProperties':
+        nextState = { ...currentState };
+
+        if (typeof action.extraData === 'object' && action.extraData !== null) {
+          Object.assign(nextState, action.extraData);
+        }
+        break;
+      case 'removeProperties':
+        nextState = { ...currentState };
 
+        if (Array.isArray(action.keysToRemove)) {
+          for (const key of action.keysToRemove) {
+            delete nextState[key];
+          }
+        }
+        break;
+
+      default:
+        // ação desconhecida → apenas clona o estado
+        nextState = { ...currentState };
+        break;
+    }
+
+    history.push(nextState);
+    currentState = nextState;
+  }
+
+  return history;
+}
 module.exports = transformStateWithClones;