Rohan Kale
8 months ago
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e4e402fd66
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// index.js
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import React from 'react'
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import ReactDOM from 'react-dom'
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import asabenehImage from './images/asabeneh.jpg'
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import ReactDom from 'react-dom'
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// Fuction to show month date year
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const showDate = (time) => {
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const months = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December',
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]
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const month = months[time.getMonth()].slice(0, 3)
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const year = time.getFullYear()
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const date = time.getDate()
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return ` ${month} ${date}, ${year}`
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}
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// User Card Component
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const UserCard = ({ user: { firstName, lastName, image } }) => (
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<div className='user-card'>
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<img src={image} alt={firstName} />
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<h2>
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{firstName}
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{lastName}
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</h2>
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</div>
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)
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class App extends React.Component {
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//declaring state
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// A button component
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const Button = ({ text, onClick, style }) => (
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<button style={style} onClick={onClick}>
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{text}
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</button>
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)
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state = {
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image: 'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQAOsR0U0cMQrip5q8C330243NWFIMVT0306A&s',
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buttonName: 'Click to see your pet'
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// CSS styles in JavaScript Object
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const buttonStyles = {
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backgroundColor: '#61dbfb',
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padding: 10,
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border: 'none',
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borderRadius: 5,
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margin: 3,
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cursor: 'pointer',
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fontSize: 18,
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color: 'white',
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}
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changeAnimal = () => {
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let dogURL =
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'https://images.pexels.com/photos/236622/pexels-photo-236622.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1'
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let catURL =
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'https://images.pexels.com/photos/104827/cat-pet-animal-domestic-104827.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1'
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let image = this.state.image === catURL ? dogURL : catURL
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this.setState({ image })
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// class based component
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class Header extends React.Component {
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constructor(props) {
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super(props)
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// the code inside the constructor run before any other code
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}
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render() {
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console.log(this.props.data)
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const {
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welcome,
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title,
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subtitle,
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author: { firstName, lastName },
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date,
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} = this.props.data
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return (
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<header style={this.props.styles}>
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<div className='header-wrapper'>
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<h1>{welcome}</h1>
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<h2>{title}</h2>
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<h3>{subtitle}</h3>
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<p>
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{firstName} {lastName}
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</p>
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<small>{date}</small>
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</div>
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</header>
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)
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}
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}
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const Count = ({ count, addOne, minusOne }) => (
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<div>
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<h1>{count} </h1>
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<div>
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<Button text='+1' onClick={addOne} style={buttonStyles} />
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<Button text='-1' onClick={minusOne} style={buttonStyles} />
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</div>
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</div>
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)
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}
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changeButtonName = () => {
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let buttonDog = 'dog';
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let buttonCat = 'cat'
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let buttonName=this.state.buttonName === buttonDog ? buttonCat : buttonDog
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this.setState({ buttonName });
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};
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handleButtonClick = () => {
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this.changeAnimal();
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this.changeButtonName();
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};
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// TechList Component
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// class base component
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class TechList extends React.Component {
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constructor(props) {
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super(props)
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}
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render() {
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const { techs } = this.props
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const techsFormatted = techs.map((tech) => <li key={tech}>{tech}</li>)
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return techsFormatted
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}
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}
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// Main Component
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// Class Component
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class Main extends React.Component {
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constructor(props) {
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super(props)
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}
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render() {
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const {
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techs,
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user,
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greetPeople,
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handleTime,
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changeBackground,
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count,
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addOne,
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minusOne,
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} = this.props
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return (
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<main>
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<div className='main-wrapper'>
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<p>Prerequisite to get started react.js:</p>
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<ul>
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<TechList techs={techs} />
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</ul>
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<UserCard user={user} />
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<Button
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text='Greet People'
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onClick={greetPeople}
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style={buttonStyles}
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/>
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<Button text='Show Time' onClick={handleTime} style={buttonStyles} />
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<Button
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text='Change Background'
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onClick={changeBackground}
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style={buttonStyles}
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/>
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<Count count={count} addOne={addOne} minusOne={minusOne} />
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</div>
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</main>
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)
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}
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}
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//accessing the state value
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const count = this.state.count
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// method which add one to the state
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// Footer Component
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// Class component
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class Footer extends React.Component {
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constructor(props) {
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super(props)
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}
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render() {
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return (
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<footer>
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<div className='footer-wrapper'>
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<p>Copyright {this.props.date.getFullYear()}</p>
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<div className='App'>
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<h1>{count} </h1>
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<h1>30 Days Of React</h1>
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<div className='animal'>
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<img src={this.state.image} alt='animal' />
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</div>
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</footer>
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)
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}
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}
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class App extends React.Component {
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state = {
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count: 0,
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styles: {
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backgroundColor: '',
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color: '',
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},
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}
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showDate = (time) => {
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const months = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December',
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]
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<button onClick={this.handleButtonClick} className="btn btn-add">
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{this.state.buttonName}
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</button>
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const month = months[time.getMonth()].slice(0, 3)
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const year = time.getFullYear()
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const date = time.getDate()
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return ` ${month} ${date}, ${year}`
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}
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addOne = () => {
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this.setState({ count: this.state.count + 1 })
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}
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</div>
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// method which subtract one to the state
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minusOne = () => {
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this.setState({ count: this.state.count - 1 })
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}
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handleTime = () => {
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alert(this.showDate(new Date()))
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}
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greetPeople = () => {
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alert('Welcome to 30 Days Of React Challenge, 2020')
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}
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changeBackground = () => {}
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render() {
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const data = {
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welcome: 'Welcome to 30 Days Of React',
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title: 'Getting Started React',
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subtitle: 'JavaScript Library',
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author: {
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firstName: 'Asabeneh',
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lastName: 'Yetayeh',
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},
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date: 'Oct 7, 2020',
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}
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const techs = ['HTML', 'CSS', 'JavaScript']
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const date = new Date()
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// copying the author from data object to user variable using spread operator
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const user = { ...data.author, image: asabenehImage }
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return (
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<div className='app'>
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{this.state.backgroundColor}
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<Header data={data} />
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<Main
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user={user}
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techs={techs}
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handleTime={this.handleTime}
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greetPeople={this.greetPeople}
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changeBackground={this.changeBackground}
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addOne={this.addOne}
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minusOne={this.minusOne}
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count={this.state.count}
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/>
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<Footer date={new Date()} />
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</div>
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)
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}
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}
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const rootElement = document.getElementById('root')
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ReactDOM.render(<App />, rootElement)
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const rootElment = document.getElementById('root')
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ReactDom.render(<App />, rootElment)
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Reference in new issue