Completed wesbos#15

Author: gbmyt

15 - LocalStorage/index-START.html

@@ -28,11 +28,59 @@ <h2>LOCAL TAPAS</h2>
 <script>
   const addItems = document.querySelector('.add-items');
   const itemsList = document.querySelector('.plates');
-  const items = [];
+  const items = JSON.parse(localStorage.getItem('items')) || [];
 
-</script>
+  function addItem(e) {
+    // Prevent Default Behavior
+    e.preventDefault();
+
+    // Get Form Input Contents, Store in "Item" Object
+    const text = (this.querySelector('[name=item]')).value;
+    const item = {
+      text,
+      done: false
+    };
+
+    // Add Item to Items Array
+    items.push(item);
+
+    // Add Items to Web Page
+    populateList(items, itemsList);
+
+    // Set items to localStorage
+    localStorage.setItem('items', JSON.stringify(items));
 
+    // Clear Form Input
+    this.reset();
+  }
 
+  function populateList(plates = [], platesList) {
+    platesList.innerHTML = plates.map((plate, index) => {
+      return `
+        <li>
+          <input type="checkbox" data-index=${index} id="item${index}" ${plate.done ? 'checked' : ''} />
+          <label for="item${index}">${plate.text}</label>
+        </li>
+      `;
+    }).join('');
+  }
+
+  // Keep Toggle State On Page Refresh
+  function toggleDone(e) {
+    if (!e.target.matches('input')) return;
+    const el = e.target;
+    const index = el.dataset.index;
+    items[index].done = !items[index].done;
+    localStorage.setItem('items', JSON.stringify(items));
+    populateList(items, itemsList);
+  }
+
+  // Event Handlers
+  addItems.addEventListener('submit', addItem);
+  itemsList.addEventListener('click', toggleDone);
+
+  populateList(items, itemsList);
+</script>
 </body>
 </html>