add solution

package.json

@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "@cypress/react18": "^2.0.1",
-    "@mate-academy/scripts": "^1.9.12",
+    "@mate-academy/scripts": "^2.1.3",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",

src/App.tsx

@@ -1,157 +1,12 @@
-/* eslint-disable jsx-a11y/control-has-associated-label */
 import React from 'react';
+import { TodosContextProvider } from './components/TodosProvider';
+import { TodoApp } from './components/TodoApp';
+import './styles/index.scss';
 
 export const App: React.FC = () => {
   return (
-    <div className="todoapp">
-      <h1 className="todoapp__title">todos</h1>
-
-      <div className="todoapp__content">
-        <header className="todoapp__header">
-          {/* this button should have `active` class only if all todos are completed */}
-          <button
-            type="button"
-            className="todoapp__toggle-all active"
-            data-cy="ToggleAllButton"
-          />
-
-          {/* Add a todo on form submit */}
-          <form>
-            <input
-              data-cy="NewTodoField"
-              type="text"
-              className="todoapp__new-todo"
-              placeholder="What needs to be done?"
-            />
-          </form>
-        </header>
-
-        <section className="todoapp__main" data-cy="TodoList">
-          {/* This is a completed todo */}
-          <div data-cy="Todo" className="todo completed">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-                checked
-              />
-            </label>
-
-            <span data-cy="TodoTitle" className="todo__title">
-              Completed Todo
-            </span>
-
-            {/* Remove button appears only on hover */}
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
-          </div>
-
-          {/* This todo is an active todo */}
-          <div data-cy="Todo" className="todo">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-              />
-            </label>
-
-            <span data-cy="TodoTitle" className="todo__title">
-              Not Completed Todo
-            </span>
-
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
-          </div>
-
-          {/* This todo is being edited */}
-          <div data-cy="Todo" className="todo">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-              />
-            </label>
-
-            {/* This form is shown instead of the title and remove button */}
-            <form>
-              <input
-                data-cy="TodoTitleField"
-                type="text"
-                className="todo__title-field"
-                placeholder="Empty todo will be deleted"
-                value="Todo is being edited now"
-              />
-            </form>
-          </div>
-
-          {/* This todo is in loadind state */}
-          <div data-cy="Todo" className="todo">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-              />
-            </label>
-
-            <span data-cy="TodoTitle" className="todo__title">
-              Todo is being saved now
-            </span>
-
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
-          </div>
-        </section>
-
-        {/* Hide the footer if there are no todos */}
-        <footer className="todoapp__footer" data-cy="Footer">
-          <span className="todo-count" data-cy="TodosCounter">
-            3 items left
-          </span>
-
-          {/* Active link should have the 'selected' class */}
-          <nav className="filter" data-cy="Filter">
-            <a
-              href="#/"
-              className="filter__link selected"
-              data-cy="FilterLinkAll"
-            >
-              All
-            </a>
-
-            <a
-              href="#/active"
-              className="filter__link"
-              data-cy="FilterLinkActive"
-            >
-              Active
-            </a>
-
-            <a
-              href="#/completed"
-              className="filter__link"
-              data-cy="FilterLinkCompleted"
-            >
-              Completed
-            </a>
-          </nav>
-
-          {/* this button should be disabled if there are no completed todos */}
-          <button
-            type="button"
-            className="todoapp__clear-completed"
-            data-cy="ClearCompletedButton"
-          >
-            Clear completed
-          </button>
-        </footer>
-      </div>
-    </div>
+    <TodosContextProvider>
+      <TodoApp />
+    </TodosContextProvider>
   );
 };

src/api/todos.ts

@@ -0,0 +1,62 @@
+// crud operations with localstorage for todos
+
+import { Todo } from '../components/TodosProvider';
+
+const TODOS_STORAGE_NAME = 'todos';
+
+function saveTodosToStorage(todos: Todo[]) {
+  if (todos.length === 0) {
+    localStorage.setItem(TODOS_STORAGE_NAME, '[]');
+  } else {
+    localStorage.setItem(TODOS_STORAGE_NAME, JSON.stringify(todos));
+  }
+}
+
+export function getTodosFromStorage(): Todo[] {
+  const todosFromStorage = localStorage.getItem(TODOS_STORAGE_NAME);
+
+  if (!todosFromStorage) {
+    localStorage.setItem(TODOS_STORAGE_NAME, '[]');
+  }
+
+  return todosFromStorage ? JSON.parse(todosFromStorage) : [];
+}
+
+export function setTodosInStorage(todos: Todo[]) {
+  saveTodosToStorage(todos);
+}
+
+export function addTodoToStorage(todo: Todo) {
+  const todosFromStorage = getTodosFromStorage();
+
+  todosFromStorage.push(todo);
+
+  saveTodosToStorage(todosFromStorage);
+
+  return todo;
+}
+
+export function deleteTodoFromStorage(todoId: Todo['id']) {
+  const todosFromStorage = getTodosFromStorage();
+
+  const filteredTodosList = todosFromStorage.filter(todo => todo.id !== todoId);
+
+  saveTodosToStorage(filteredTodosList);
+}
+
+export function updateTodoInStorage(
+  todoId: Todo['id'],
+  payload: Partial<Omit<Todo, 'id'>>,
+) {
+  const todosFromStorage = getTodosFromStorage();
+
+  const updatedTodosList = todosFromStorage.map(todo => {
+    if (todo.id === todoId) {
+      return { ...todo, ...payload };
+    }
+
+    return todo;
+  });
+
+  saveTodosToStorage(updatedTodosList);
+}

src/components/TodoApp.tsx

@@ -0,0 +1,24 @@
+import { useContext } from 'react';
+import { TodoFooter } from './TodoFooter';
+import { TodoHeader } from './TodoHeader';
+import { TodoList } from './TodoList';
+import { TodosContext } from './TodosProvider';
+import '../styles/todoapp.scss';
+
+export const TodoApp = () => {
+  const { todos } = useContext(TodosContext);
+
+  return (
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <TodoHeader />
+
+        <TodoList />
+
+        {todos.length !== 0 && <TodoFooter />}
+      </div>
+    </div>
+  );
+};

src/components/TodoFooter.tsx

@@ -0,0 +1,54 @@
+import { useContext } from 'react';
+import '../styles/filters.scss';
+import { TodoFilterStatus, TodosContext } from './TodosProvider';
+import classNames from 'classnames';
+import { checkSomeTodosCompleted } from '../utils';
+
+export const TodoFooter = () => {
+  const { todos, setTodoFilterStatus, todoFilterStatus, deleteTodo } =
+    useContext(TodosContext);
+
+  function handleClearAllCompletedTodos() {
+    todos.forEach(todo => {
+      if (todo.completed) {
+        deleteTodo(todo.id);
+      }
+    });
+  }
+
+  return (
+    <footer className="todoapp__footer" data-cy="Footer">
+      <span className="todo-count" data-cy="TodosCounter">
+        {todos.filter(todo => !todo.completed).length} items left
+      </span>
+      <nav className="filter" data-cy="Filter">
+        {[
+          TodoFilterStatus.All,
+          TodoFilterStatus.Active,
+          TodoFilterStatus.Completed,
+        ].map(filterName => (
+          <a
+            key={filterName}
+            href="#/"
+            className={classNames('filter__link', {
+              selected: filterName === todoFilterStatus,
+            })}
+            onClick={() => setTodoFilterStatus(filterName)}
+            data-cy={`FilterLink${filterName}`}
+          >
+            {filterName}
+          </a>
+        ))}
+      </nav>
+      <button
+        type="button"
+        className="todoapp__clear-completed"
+        data-cy="ClearCompletedButton"
+        disabled={!checkSomeTodosCompleted(todos)}
+        onClick={handleClearAllCompletedTodos}
+      >
+        Clear completed
+      </button>
+    </footer>
+  );
+};