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Commit 438616a8 authored by Andrej Rasevic's avatar Andrej Rasevic
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adding week 5 lecture code

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lectureCodeExamples/Week5/counter/src/setupTests.js 0 → 100644
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// jest-dom adds custom jest matchers for asserting on DOM nodes.
// allows you to do things like:
// expect(element).toHaveTextContent(/react/i)
// learn more: https://github.com/testing-library/jest-dom
import '@testing-library/jest-dom/extend-expect';
lectureCodeExamples/Week5/lifecycle.html 0 → 100644
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Lifecycle Methods</title>
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
<style>
#container {
padding: 50px;
background-color: #FFF;
}
</style>
</head>
<body>
<div id="container"></div>
<script type="text/babel">
var destination = document.querySelector("#container");
class Counter extends React.Component {
render() {
var textStyle = {
fontSize: 72,
fontFamily: "sans-serif",
color: "#333",
fontWeight: "bold"
};
console.log("render: Counter component");
return (
<div style={textStyle}>
{this.props.display}
</div>
);
}
}
class CounterParent extends React.Component {
constructor(props) {
super(props);
console.log("constructor: It's default time!");
this.state = {
count: 0
};
//this.increase = this.increase.bind(this);
}
increase() {
console.log('***')
//console.log(this)
this.setState({
count: this.state.count + 1
});
}
static getDerivedStateFromProps(props, state) {
console.log("getDerivedStateFromProps: You probably don't need this!")
return null;
}
componentDidUpdate(currentProps, currentState) {
console.log("componentDidUpdate: Component just updated!");
}
getSnapshotBeforeUpdate(prevProps, prevState) {
console.log("getSnapshotBeforeUpdate: Component is about to commit its changes!")
return null;
}
componentDidMount() {
console.log("componentDidMount: Component is inserted into the tree!");
}
componentWillUnmount() {
console.log("componentWillUnmount: Component is about to be removed from the DOM!");
}
shouldComponentUpdate(newProps, newState) {
console.log("shouldComponentUpdate: Should component update?");
console.log(newProps)
console.log(newState)
console.log(destination)
if (newState.count < 5) {
console.log("shouldComponentUpdate: Component should update!");
return true;
} else {
ReactDOM.unmountComponentAtNode(destination);
console.log("shouldComponentUpdate: Component should not update!");
return false;
}
}
render() {
var backgroundStyle = {
padding: 50,
border: "#333 2px dotted",
width: 250,
height: 100,
borderRadius: 10,
textAlign: "center"
};
console.log("render: CounterParent component");
return (
<div style={backgroundStyle}>
<Counter display={this.state.count} />
<button onClick={this.increase}>
+
</button>
</div>
);
}
};
ReactDOM.render(
<div>
<CounterParent />
</div>,
destination
);
</script>
</body>
</html>
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lectureCodeExamples/Week5/timer/.gitignore 0 → 100644
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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.js
# testing
/coverage
# production
/build
# misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lectureCodeExamples/Week5/timer/README.md 0 → 100644
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This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
## Available Scripts
In the project directory, you can run:
### `npm start`
Runs the app in the development mode.<br>
Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
The page will reload if you make edits.<br>
You will also see any lint errors in the console.
### `npm test`
Launches the test runner in the interactive watch mode.<br>
See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
### `npm run build`
Builds the app for production to the `build` folder.<br>
It correctly bundles React in production mode and optimizes the build for the best performance.
The build is minified and the filenames include the hashes.<br>
Your app is ready to be deployed!
See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
### `npm run eject`
**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
Instead, it will copy all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
## Learn More
You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
To learn React, check out the [React documentation](https://reactjs.org/).
### Code Splitting
This section has moved here: https://facebook.github.io/create-react-app/docs/code-splitting
### Analyzing the Bundle Size
This section has moved here: https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size
### Making a Progressive Web App
This section has moved here: https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app
### Advanced Configuration
This section has moved here: https://facebook.github.io/create-react-app/docs/advanced-configuration
### Deployment
This section has moved here: https://facebook.github.io/create-react-app/docs/deployment
### `npm run build` fails to minify
This section has moved here: https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify
lectureCodeExamples/Week5/timer/package-lock.json 0 → 100644
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lectureCodeExamples/Week5/timer/package.json 0 → 100644
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{
"name": "timer",
"version": "0.1.0",
"private": true,
"dependencies": {
"react": "^16.8.6",
"react-dom": "^16.8.6"
},
"devDependencies": {
"react-scripts": "3.0.0"
},
"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"
]
}
}
lectureCodeExamples/Week5/timer/public/index.html 0 → 100644
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<!--
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>
lectureCodeExamples/Week5/timer/src/App.css 0 → 100644
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.App {
text-align: center;
}
.App-logo {
animation: App-logo-spin infinite 20s linear;
height: 40vmin;
pointer-events: none;
}
.App-header {
background-color: #282c34;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
font-size: calc(10px + 2vmin);
color: white;
}
.App-link {
color: #61dafb;
}
@keyframes App-logo-spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
lectureCodeExamples/Week5/timer/src/App.js 0 → 100644
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import React from 'react';
import './App.css';
import Clock from './components/Clock';
class App extends React.Component {
constructor(props) {
super(props); // not nec?
this.state = {
isReady: false,
};
}
componentDidMount() {
setTimeout(() => {
this.setState({ isReady: true });
}, 500);
}
handleClickCancel = () => {
this.setState({ isReady: false });
};
render() {
window.component = this;
return (
<div>
<Clock />
{this.state.isReady && <Clock />}
<button onClick={this.handleClickCancel}>Cancel</button>
</div>
);
}
}
export default App;
lectureCodeExamples/Week5/timer/src/App.test.js 0 → 100644
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import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
it('renders without crashing', () => {
const div = document.createElement('div');
ReactDOM.render(<App />, div);
ReactDOM.unmountComponentAtNode(div);
});
lectureCodeExamples/Week5/timer/src/components/Clock.js 0 → 100644
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import React from 'react';
class Clock extends React.Component {
constructor(props) {
super(props);
this.state = {date: new Date()};
}
componentDidMount() {
this.timerID = setInterval(
() => this.tick(),
1000
);
}
componentWillUnmount() {
clearInterval(this.timerID);
}
tick() {
this.setState({
date: new Date()
});
}
render() {
window.clock = this
return (
<div>
<h1>Here is our react clock:</h1>
<h2>It is {this.state.date.toLocaleTimeString()}.</h2>
</div>
);
}
}
export default Clock;
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lectureCodeExamples/Week5/timer/src/index.css 0 → 100644
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body {
margin: 0;
padding: 0;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
"Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
code {
font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
monospace;
}
lectureCodeExamples/Week5/timer/src/index.js 0 → 100644
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import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
ReactDOM.render(<App />, document.getElementById('root'));
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