first commit

Author: fazt

package-lock.json

@@ -10,6 +10,7 @@
     "@types/node": "^12.12.32",
     "@types/react": "^16.9.27",
     "@types/react-dom": "^16.9.5",
+    "bootswatch": "^4.4.1",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "react-scripts": "3.4.1",

package.json

@@ -1,24 +1,88 @@
-import React from 'react';
-import logo from './logo.svg';
-import './App.css';
+import React, { useState, useRef } from "react";
+import "./App.css";
+
+type FormElemEvent = React.FormEvent<HTMLFormElement>;
+
+interface ITask {
+  name: string;
+  done: boolean;
+}
+
+function App(): JSX.Element {
+  const [newTask, setNewTask] = useState<string>("");
+  const [tasks, setTasks] = useState<ITask[]>([]);
+  const taskInput = useRef<HTMLInputElement>(null);
+
+  const handleSubmit = (e: FormElemEvent): void => {
+    e.preventDefault();
+    addTask(newTask);
+    setNewTask("");
+    taskInput.current?.focus();
+  };
+
+  const addTask = (name: string): void => {
+    const newTasks: ITask[] = [...tasks, { name, done: false }];
+    setTasks(newTasks);
+  };
+
+  const toggleDoneTask = (i: number): void => {
+    const newTasks: ITask[] = [...tasks];
+    newTasks[i].done = !newTasks[i].done;
+    setTasks(newTasks);
+  };
+
+  const removeTask = (i: number): void => {
+    const newTasks: ITask[] = [...tasks];
+    newTasks.splice(i, 1);
+    setTasks(newTasks);
+  };
 
-function App() {
   return (
-    <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
+    <div className="container p-4">
+      <div className="row">
+        <div className="col-md-6 offset-md-3">
+          <div className="card">
+            <div className="card-header">
+              <h1 className="text-center">Tasks ReactTs</h1>
+            </div>
+            <div className="card-body">
+              <form onSubmit={handleSubmit}>
+                <input
+                  type="text"
+                  value={newTask}
+                  onChange={e => setNewTask(e.target.value)}
+                  ref={taskInput}
+                  className="form-control"
+                  required
+                  autoFocus
+                />
+                <button className="btn btn-success btn-block mt-2">Save</button>
+              </form>
+              {tasks.map((t: ITask, i: number) => (
+                <div key={i} className="card card-body mt-2">
+                  <h2 style={{ textDecoration: t.done ? "line-through" : "" }}>
+                    {t.name}
+                  </h2>
+                  <div>
+                    <button
+                      onClick={() => toggleDoneTask(i)}
+                      className="btn btn-secondary"
+                    >
+                      {t.done ? "✓" : "✗"}
+                    </button>
+                    <button
+                      onClick={() => removeTask(i)}
+                      className="btn btn-danger"
+                    >
+                      🗑
+                    </button>
+                  </div>
+                </div>
+              ))}
+            </div>
+          </div>
+        </div>
+      </div>
     </div>
   );
 }

src/App.tsx

@@ -1,9 +1,10 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import './index.css';
 import App from './App';
 import * as serviceWorker from './serviceWorker';
 
+import "bootswatch/dist/lumen/bootstrap.min.css";
+
 ReactDOM.render(
   <React.StrictMode>
     <App />