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dom and states

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Tyrel Souza 2022-09-22 12:01:33 -04:00
parent 3a29298624
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44 changed files with 72371 additions and 10 deletions
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{
"name": "react-the-complete-guide",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^4.2.4",
"@testing-library/react": "^9.4.1",
"@testing-library/user-event": "^7.2.1",
"react": "^18.0.0",
"react-dom": "^18.0.0",
"react-scripts": "4.0.3"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta
name="description"
content="Web site created using create-react-app"
/>
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
<!--
manifest.json provides metadata used when your web app is installed on a
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>React App</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

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{
"short_name": "React App",
"name": "Create React App Sample",
"icons": [
{
"src": "favicon.ico",
"sizes": "64x64 32x32 24x24 16x16",
"type": "image/x-icon"
},
{
"src": "logo192.png",
"type": "image/png",
"sizes": "192x192"
},
{
"src": "logo512.png",
"type": "image/png",
"sizes": "512x512"
}
],
"start_url": ".",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

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# https://www.robotstxt.org/robotstxt.html
User-agent: *
Disallow:

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#goals {
width: 35rem;
max-width: 90%;
margin: 3rem auto;
}
#goal-form {
width: 30rem;
max-width: 90%;
margin: 3rem auto;
padding: 2rem;
box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
border-radius: 10px;
}

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import React, { useState } from "react";
import CourseGoalList from "./components/CourseGoals/CourseGoalList/CourseGoalList";
import CourseInput from "./components/CourseGoals/CourseInput/CourseInput";
import "./App.css";
const App = () => {
const [courseGoals, setCourseGoals] = useState([
{ text: "Do all exercises!", id: "g1" },
{ text: "Finish the course!", id: "g2" },
]);
const addGoalHandler = (enteredText) => {
setCourseGoals((prevGoals) => {
const updatedGoals = [...prevGoals];
updatedGoals.unshift({ text: enteredText, id: "goal1" });
return updatedGoals;
});
};
const deleteItemHandler = (goalId) => {
setCourseGoals((prevGoals) => {
const updatedGoals = prevGoals.filter((goal) => goal.id !== goalId);
return updatedGoals;
});
};
let content = (
<p style={{ textAlign: "center" }}>No goals found. Maybe add one?</p>
);
if (courseGoals.length > 0) {
content = (
<CourseGoalList items={courseGoals} onDeleteItem={deleteItemHandler} />
);
}
return (
<>
<section id="goal-form">
<CourseInput onAddGoal={addGoalHandler} />
</section>
<section id="goals">{content}</section>
</>
);
};
export default App;

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.goal-item {
margin: 1rem 0;
background: #8b005d;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.26);
color: white;
padding: 1rem 2rem;
cursor: pointer;
}

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errors/src/components/CourseGoals/CourseGoalItem/CourseGoalItem.js Normal file
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import React from 'react';
import './CourseGoalItem.css';
const CourseGoalItem = (props) => {
const deleteHandler = () => {
props.onDelete(props.id);
};
return (
<li className="goal-item" onClick={deleteHandler}>
{props.children}
</li>
);
};
export default CourseGoalItem;

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errors/src/components/CourseGoals/CourseGoalList/CourseGoalList.css Normal file
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.goal-list {
list-style: none;
margin: 0;
padding: 0;
}

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errors/src/components/CourseGoals/CourseGoalList/CourseGoalList.js Normal file
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import React from 'react';
import CourseGoalItem from '../CourseGoalItem/CourseGoalItem';
import './CourseGoalList.css';
const CourseGoalList = props => {
return (
<ul className="goal-list">
{props.items.map(goal => (
<CourseGoalItem
key={goal.id}
id={goal.id}
onDelete={props.onDeleteItem}
>
{goal.text}
</CourseGoalItem>
))}
</ul>
);
};
export default CourseGoalList;

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errors/src/components/CourseGoals/CourseInput/CourseInput.js Normal file
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import React, { useState } from 'react';
import Button from '../../UI/Button/Button';
import styles from './CourseInput.module.css';
const CourseInput = (props) => {
const [enteredValue, setEnteredValue] = useState('');
const [isValid, setIsValid] = useState(true);
const goalInputChangeHandler = (event) => {
if (event.target.value.trim().length > 0) {
setIsValid(true);
}
setEnteredValue(event.target.value);
};
const formSubmitHandler = (event) => {
event.preventDefault();
if (enteredValue.trim().length === 0) {
setIsValid(false);
return;
}
props.onAddGoal(enteredValue);
};
return (
<form onSubmit={formSubmitHandler}>
<div
className={`${styles['form-control']} ${!isValid && styles.invalid}`}
>
<label>Course Goal</label>
<input type="text" onChange={goalInputChangeHandler} />
</div>
<Button type="submit">Add Goal</Button>
</form>
);
};
export default CourseInput;

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errors/src/components/CourseGoals/CourseInput/CourseInput.module.css Normal file
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.form-control {
margin: 0.5rem 0;
}
.form-control label {
font-weight: bold;
display: block;
margin-bottom: 0.5rem;
}
.form-control input {
display: block;
width: 100%;
border: 1px solid #ccc;
font: inherit;
line-height: 1.5rem;
padding: 0 0.25rem;
}
.form-control input:focus {
outline: none;
background: #fad0ec;
border-color: #8b005d;
}
.form-control.invalid input {
border-color: red;
background: #ffd7d7;
}
.form-control.invalid label {
color: red;
}

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import React from 'react';
import styles from './Button.module.css';
const Button = props => {
return (
<button type={props.type} className={styles.button} onClick={props.onClick}>
{props.children}
</button>
);
};
export default Button;

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errors/src/components/UI/Button/Button.module.css Normal file
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.button {
width: 100%;
font: inherit;
padding: 0.5rem 1.5rem;
border: 1px solid #8b005d;
color: white;
background: #8b005d;
box-shadow: 0 0 4px rgba(0, 0, 0, 0.26);
cursor: pointer;
}
.button:focus {
outline: none;
}
.button:hover,
.button:active {
background: #ac0e77;
border-color: #ac0e77;
box-shadow: 0 0 8px rgba(0, 0, 0, 0.26);
}
@media (min-width: 768px) {
.button {
width: auto;
}
}

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* {
box-sizing: border-box;
}
html {
font-family: sans-serif;
}
body {
margin: 0;
}

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errors/src/index.js Normal file
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import React from 'react';
import ReactDOM from 'react-dom/client';
import './index.css';
import App from './App';
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(<App />);

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react-chap9/package.json Normal file
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{
"name": "react-the-complete-guide",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^4.2.4",
"@testing-library/react": "^9.4.1",
"@testing-library/user-event": "^7.2.1",
"react": "^18.0.0",
"react-dom": "^18.0.0",
"react-scripts": "3.4.0"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta
name="description"
content="Web site created using create-react-app"
/>
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
<!--
manifest.json provides metadata used when your web app is installed on a
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>React App</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="backdrop-root"></div>
<div id="overlay-root"></div>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

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{
"short_name": "React App",
"name": "Create React App Sample",
"icons": [
{
"src": "favicon.ico",
"sizes": "64x64 32x32 24x24 16x16",
"type": "image/x-icon"
},
{
"src": "logo192.png",
"type": "image/png",
"sizes": "192x192"
},
{
"src": "logo512.png",
"type": "image/png",
"sizes": "512x512"
}
],
"start_url": ".",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

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# https://www.robotstxt.org/robotstxt.html
User-agent: *
Disallow:

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import React, { useState } from 'react';
import AddUser from './components/Users/AddUser';
import UsersList from './components/Users/UsersList';
function App() {
const [usersList, setUsersList] = useState([]);
const addUserHandler = (uName, uAge) => {
setUsersList((prevUsersList) => {
return [
...prevUsersList,
{ name: uName, age: uAge, id: Math.random().toString() },
];
});
};
return (
<div>
<AddUser onAddUser={addUserHandler} />
<UsersList users={usersList} />
</div>
);
}
export default App;

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react-chap9/src/components/Helpers/Wrapper.js vendored Normal file
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function Wrapper(props) {
return props.children
}
export default Wrapper ;

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react-chap9/src/components/UI/Button.js vendored Normal file
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import React from 'react';
import classes from './Button.module.css';
const Button = (props) => {
return (
<button
className={classes.button}
type={props.type || 'button'}
onClick={props.onClick}
>
{props.children}
</button>
);
};
export default Button;

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react-chap9/src/components/UI/Button.module.css Normal file
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.button {
font: inherit;
border: 1px solid #4f005f;
background: #4f005f;
color: white;
padding: 0.25rem 1rem;
cursor: pointer;
}
.button:hover,
.button:active {
background: #741188;
border-color: #741188;
}
.button:focus {
outline: none;
}

9
react-chap9/src/components/UI/Card.js vendored Normal file
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import React from 'react';
import classes from './Card.module.css';
const Card = (props) => {
return <div className={`${classes.card} ${props.className}`}>{props.children}</div>;
};
export default Card;

5
react-chap9/src/components/UI/Card.module.css Normal file
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.card {
background: white;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.26);
border-radius: 10px;
}

47
react-chap9/src/components/UI/ErrorModal.js vendored Normal file
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import React from "react";
import ReactDOM from "react-dom";
import Card from "./Card";
import Button from "./Button";
import classes from "./ErrorModal.module.css";
const Backdrop = (props) => {
return <div className={classes.backdrop} onClick={props.onConfirm} />;
};
const ModalOverlay = (props) => {
return (
<Card className={classes.modal}>
<header className={classes.header}>
<h2>{props.title}</h2>
</header>
<div className={classes.content}>
<p>{props.message}</p>
</div>
<footer className={classes.actions}>
<Button onClick={props.onConfirm}>Okay</Button>
</footer>
</Card>
);
};
const ErrorModal = (props) => {
return (
<>
{ReactDOM.createPortal(
<Backdrop onConfirm={props.onConfirm} />,
document.getElementById("backdrop-root")
)}
{ReactDOM.createPortal(
<ModalOverlay
onConfirm={props.onConfirm}
title={props.title}
message={props.message}
/>,
document.getElementById("overlay-root")
)}
</>
);
};
export default ErrorModal;

45
react-chap9/src/components/UI/ErrorModal.module.css Normal file
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.backdrop {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100vh;
z-index: 10;
background: rgba(0, 0, 0, 0.75);
}
.modal {
position: fixed;
top: 30vh;
left: 10%;
width: 80%;
z-index: 100;
overflow: hidden;
}
.header {
background: #4f005f;
padding: 1rem;
}
.header h2 {
margin: 0;
color: white;
}
.content {
padding: 1rem;
}
.actions {
padding: 1rem;
display: flex;
justify-content: flex-end;
}
@media (min-width: 768px) {
.modal {
left: calc(50% - 20rem);
width: 40rem;
}
}

72
react-chap9/src/components/Users/AddUser.js vendored Normal file
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import React, { useState, useRef } from 'react';
import Card from '../UI/Card';
import Button from '../UI/Button';
import ErrorModal from '../UI/ErrorModal';
import Wrapper from '../Helpers/Wrapper';
import classes from './AddUser.module.css';
const AddUser = (props) => {
const nameInputRef = useRef()
const ageInputRef = useRef()
const [error, setError] = useState();
const addUserHandler = (event) => {
event.preventDefault();
const enteredName = nameInputRef.current.value
const enteredUserAge = ageInputRef.current.value
if (enteredName.trim().length === 0 || enteredUserAge.trim().length === 0) {
setError({
title: 'Invalid input',
message: 'Please enter a valid name and age (non-empty values).',
});
return;
}
if (+enteredUserAge < 1) {
setError({
title: 'Invalid age',
message: 'Please enter a valid age (> 0).',
});
return;
}
props.onAddUser(enteredName, enteredUserAge);
nameInputRef.current.value = ''
ageInputRef.current.value = ''
};
const errorHandler = () => {
setError(null);
};
return (
<Wrapper>
{error && (
<ErrorModal
title={error.title}
message={error.message}
onConfirm={errorHandler}
/>
)}
<Card className={classes.input}>
<form onSubmit={addUserHandler}>
<label htmlFor="username">Username</label>
<input
id="username"
type="text"
ref={nameInputRef}
/>
<label htmlFor="age">Age (Years)</label>
<input
id="age"
type="number"
ref={ageInputRef}
/>
<Button type="submit">Add User</Button>
</form>
</Card>
</Wrapper>
);
};
export default AddUser;

27
react-chap9/src/components/Users/AddUser.module.css Normal file
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.input {
margin: 2rem auto;
padding: 1rem;
width: 90%;
max-width: 40rem;
}
.input label {
display: block;
font-weight: bold;
margin-bottom: 0.5rem;
}
.input input {
font: inherit;
display: block;
width: 100%;
border: 1px solid #ccc;
padding: 0.15rem;
margin-bottom: 0.5rem;
}
.input input:focus {
outline: none;
border-color: #4f005f;
}

20
react-chap9/src/components/Users/UsersList.js vendored Normal file
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import React from 'react';
import Card from '../UI/Card';
import classes from './UsersList.module.css';
const UsersList = (props) => {
return (
<Card className={classes.users}>
<ul>
{props.users.map((user) => (
<li key={user.id}>
{user.name} ({user.age} years old)
</li>
))}
</ul>
</Card>
);
};
export default UsersList;

16
react-chap9/src/components/Users/UsersList.module.css Normal file
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.users {
margin: 2rem auto;
width: 90%;
max-width: 40rem;
}
.users ul {
list-style: none;
padding: 1rem;
}
.users li {
border: 1px solid #ccc;
margin: 0.5rem 0;
padding: 0.5rem;
}

12
react-chap9/src/index.css Normal file
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* {
box-sizing: border-box;
}
html {
font-family: sans-serif;
background: #1f1f1f;
}
body {
margin: 0;
}

8
react-chap9/src/index.js vendored Normal file
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import React from 'react';
import ReactDOM from 'react-dom/client';
import './index.css';
import App from './App';
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(<App />);

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react-complete-guide/.eslintcache
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23
react-complete-guide/src/components/NewExpense/ExpenseForm.js vendored
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@ -17,19 +17,18 @@ function ExpenseForm(props) {
} }
const submitHandler = (event) => { const submitHandler = (event) => {
event.preventDefault(); event.preventDefault()
const expenseData = { const expenseData = {
title: enteredTitle, title: enteredTitle,
amount: enteredAmount, amount: +enteredAmount,
date: new Date(enteredDate) date: new Date(enteredDate),
} }
console.log(expenseData) console.log(expenseData)
setEnteredTitle("") setEnteredTitle("")
setEnteredAmount("") setEnteredAmount("")
setEnteredDate("") setEnteredDate("")
} }
return ( return (
@ -37,7 +36,11 @@ function ExpenseForm(props) {
<div className="new-expense__controls"> <div className="new-expense__controls">
<div className="new-expense__control"> <div className="new-expense__control">
<label>Title</label> <label>Title</label>
<input type="text" value={enteredTitle} onChange={titleChangeHandler} /> <input
type="text"
value={enteredTitle}
onChange={titleChangeHandler}
/>
</div> </div>
<div className="new-expense__control"> <div className="new-expense__control">
<label>Amount</label> <label>Amount</label>
@ -45,7 +48,7 @@ function ExpenseForm(props) {
type="number" type="number"
min="0.01" min="0.01"
step="0.01" step="0.01"
value={enteredAmount} value={enteredAmount}
onChange={amountChangeHandler} onChange={amountChangeHandler}
/> />
</div> </div>
@ -55,12 +58,14 @@ function ExpenseForm(props) {
type="date" type="date"
min="2022-01-01" min="2022-01-01"
max="2022-12-31" max="2022-12-31"
value={enteredDate} value={enteredDate}
onChange={dateChangeHandler} onChange={dateChangeHandler}
/> />
</div> </div>
<div className="new-expense__actions"> <div className="new-expense__actions">
<button type="button" onClick={props.onCancel}>Cancel</button> <button type="button" onClick={props.onCancel}>
Cancel
</button>
<button type="submit">Add Expense</button> <button type="submit">Add Expense</button>
</div> </div>
</div> </div>