add solution

README.md

@@ -33,4 +33,4 @@ Implement a simple [TODO app](https://mate-academy.github.io/react_todo-app/) th
 - Implement a solution following the [React task guidelines](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
 - Open another terminal and run tests with `npm test` to ensure your solution is correct.
-- Replace `<your_account>` with your GitHub username in the [DEMO LINK](https://<your_account>.github.io/react_todo-app/) and add it to the PR description.
+- Replace `<your_account>` with your GitHub username in the [DEMO LINK](https://nineuito.github.io/react_todo-app/) and add it to the PR description.

package.json

@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "@cypress/react18": "^2.0.1",
-    "@mate-academy/scripts": "^1.9.12",
+    "@mate-academy/scripts": "^2.1.0",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",

src/App.scss

@@ -0,0 +1,24 @@
+.todoapp {
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-size: 24px;
+  font-weight: 300;
+  color: #4d4d4d;
+  margin: 40px 20px;
+
+  &__content {
+    margin-bottom: 20px;
+    background: #fff;
+    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2),
+      0 25px 50px 0 rgba(0, 0, 0, 0.1);
+  }
+
+  &__title {
+    font-size: 100px;
+    font-weight: 100;
+    text-align: center;
+    color: rgba(175, 47, 47, 0.15);
+    -webkit-text-rendering: optimizeLegibility;
+    -moz-text-rendering: optimizeLegibility;
+    text-rendering: optimizeLegibility;
+  }
+}

src/App.tsx

@@ -1,157 +1,14 @@
 /* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useState } from 'react';
 
-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>
+import './App.scss';
 
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
-          </div>
+import { FilterType } from './types/FilterType';
 
-          {/* 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>
+import { AppContent } from './components/AppContent';
 
-            {/* 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>
+export const App: React.FC = () => {
+  const [filterType, setFilterType] = useState<FilterType>(FilterType.ALL);
 
-          {/* 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>
-  );
+  return <AppContent filterType={filterType} setFilterType={setFilterType} />;
 };

src/components/AppContent/AppContent.tsx

@@ -0,0 +1,47 @@
+import { useContext, useEffect, useRef } from 'react';
+
+import { Header } from '../Header';
+import { Footer } from '../Footer';
+import { TodoList } from '../TodoList';
+import { ErrorNotification } from '../ErrorNotification';
+
+import { TodoContext } from '../../context/TodoContext';
+import { AppContentProps } from '../../types/AppContentProps';
+
+export const AppContent: React.FC<AppContentProps> = ({
+  filterType,
+  setFilterType,
+}) => {
+  const context = useContext(TodoContext);
+  if (!context) throw new Error('TodoContext must be used within TodoProvider');
+  const { todos, errorMessage, setErrorMessage } = context;
+
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    inputRef.current?.focus();
+  }, []);
+
+  return (
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+      <div className="todoapp__content">
+        <Header inputRef={inputRef} />
+        {todos.length > 0 && (
+          <TodoList filterType={filterType} inputRef={inputRef} />
+        )}
+        {todos.length > 0 && (
+          <Footer
+            filterType={filterType}
+            onFilterType={setFilterType}
+            inputRef={inputRef}
+          />
+        )}
+        <ErrorNotification
+          errorMessage={errorMessage}
+          setErrorMessage={setErrorMessage}
+        />
+      </div>
+    </div>
+  );
+};

src/components/AppContent/index.ts

@@ -0,0 +1 @@
+export * from './AppContent';

src/components/ErrorNotification/ErrorNotification.scss

@@ -0,0 +1,32 @@
+.notification {
+  background-color: #f8d7da;
+  border: 1px solid #f5c6cb;
+  color: #721c24;
+  padding: 12px 16px;
+  border-radius: 4px;
+  font-size: 16px;
+  line-height: 1.5;
+  margin: 8px 0;
+  transition: opacity 1s, min-height 1s;
+  min-height: 36px;
+  position: relative;
+}
+
+.notification .delete {
+  position: absolute;
+  right: 8px;
+  top: 8px;
+  background: none;
+  border: none;
+  font-size: 20px;
+  color: #721c24;
+  cursor: pointer;
+}
+
+.notification.hidden {
+  min-height: 0;
+  opacity: 0;
+  pointer-events: none;
+  margin: 0;
+  padding: 0 16px;
+}

src/components/ErrorNotification/ErrorNotification.tsx

@@ -0,0 +1,50 @@
+import React, { useEffect } from 'react';
+
+import './errorNotification.scss';
+
+import cn from 'classnames';
+
+type Props = {
+  errorMessage: string;
+  setErrorMessage: (errorMessage: string) => void;
+};
+
+export const ErrorNotification: React.FC<Props> = ({
+  errorMessage,
+  setErrorMessage,
+}) => {
+  useEffect(() => {
+    let timeoutId: ReturnType<typeof setTimeout>;
+
+    if (errorMessage) {
+      timeoutId = setTimeout(() => {
+        setErrorMessage('');
+      }, 3000);
+    }
+
+    return () => {
+      if (timeoutId) {
+        clearTimeout(timeoutId);
+      }
+    };
+  }, [errorMessage, setErrorMessage]);
+
+  return (
+    <div
+      data-cy="ErrorNotification"
+      className={cn('notification is-danger is-light has-text-weight-normal', {
+        hidden: !errorMessage,
+      })}
+    >
+      <button
+        data-cy="HideErrorButton"
+        type="button"
+        className="delete"
+        onClick={() => setErrorMessage('')}
+      >
+        ×
+      </button>
+      {errorMessage}
+    </div>
+  );
+};

src/components/ErrorNotification/index.ts

@@ -0,0 +1 @@
+export * from './ErrorNotification';

src/components/Filter/Filter.tsx

@@ -0,0 +1,39 @@
+import React from 'react';
+import cn from 'classnames';
+
+import './Filter.scss';
+
+import { FilterType } from '../../types/FilterType';
+
+type Props = {
+  filterType: FilterType;
+  onFilterType: (filterType: FilterType) => void;
+};
+
+export const Filter: React.FC<Props> = ({ filterType, onFilterType }) => {
+  const handleFilterChange =
+    (type: FilterType) => (event: React.MouseEvent<HTMLAnchorElement>) => {
+      event.preventDefault();
+      onFilterType(type);
+    };
+
+  return (
+    <nav className="filter" data-cy="Filter">
+      {(Object.values(FilterType) as FilterType[]).map(filter => {
+        const displayName = filter.charAt(0).toUpperCase() + filter.slice(1);
+
+        return (
+          <a
+            key={filter}
+            href={`#/${filter.toLowerCase()}`}
+            className={cn('filter__link', { selected: filterType === filter })}
+            data-cy={`FilterLink${displayName}`}
+            onClick={handleFilterChange(filter)}
+          >
+            {displayName}
+          </a>
+        );
+      })}
+    </nav>
+  );
+};

src/components/Filter/index.ts

@@ -0,0 +1 @@
+export * from './Filter';