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Andrew Trieu
2023-06-23 13:45:32 +03:00
parent 4d445c8623
commit c5f388c1d1
12 changed files with 29554 additions and 0 deletions
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23
part6/unicafe-redux/.gitignore vendored Normal file
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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*

29279
part6/unicafe-redux/package-lock.json generated Normal file
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part6/unicafe-redux/package.json Normal file
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{
"name": "unicafe-redux",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^5.16.5",
"@testing-library/react": "^13.4.0",
"@testing-library/user-event": "^13.5.0",
"react": "^18.2.0",
"react-dom": "^18.2.0",
"react-scripts": "5.0.1",
"redux": "^4.2.0",
"web-vitals": "^2.1.4"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app",
"react-app/jest"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
},
"devDependencies": {
"deep-freeze": "^0.0.1"
}
}

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part6/unicafe-redux/public/index.html Normal file
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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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part6/unicafe-redux/public/manifest.json Normal file
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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:

36
part6/unicafe-redux/src/index.js Normal file
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import React from 'react'
import ReactDOM from 'react-dom/client'
import { createStore } from 'redux'
import reducer from './reducer'
const store = createStore(reducer)
const App = () => {
const handleClick = (type) => {
store.dispatch({
type: type
})
}
return (
<div>
<button onClick={() => handleClick('GOOD')}>good</button>
<button onClick={() => handleClick('OK')}>ok</button>
<button onClick={() => handleClick('BAD')}>bad</button>
<button onClick={() => handleClick('ZERO')}>reset stats</button>
<div>good {store.getState().good}</div>
<div>ok {store.getState().ok}</div>
<div>bad {store.getState().bad}</div>
</div>
)
}
const root = ReactDOM.createRoot(document.getElementById('root'))
const renderApp = () => {
root.render(<App />)
}
renderApp()
store.subscribe(renderApp)

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part6/unicafe-redux/src/reducer.js Normal file
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const initialState = {
good: 0,
ok: 0,
bad: 0
}
const counterReducer = (state = initialState, action) => {
console.log(action)
switch (action.type) {
case 'GOOD':
return { ...state, good: state.good + 1}
case 'OK':
return { ...state, ok: state.ok + 1}
case 'BAD':
return { ...state, bad: state.bad + 1}
case 'ZERO':
return initialState
default: return state
}
}
export default counterReducer

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part6/unicafe-redux/src/reducer.test.js Normal file
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import deepFreeze from 'deep-freeze'
import counterReducer from './reducer'
describe('unicafe reducer', () => {
const initialState = {
good: 0,
ok: 0,
bad: 0
}
test('should return a proper initial state when called with undefined state', () => {
const state = {}
const action = {
type: 'DO_NOTHING'
}
const newState = counterReducer(undefined, action)
expect(newState).toEqual(initialState)
})
test('good is incremented', () => {
const action = {
type: 'GOOD'
}
const state = initialState
deepFreeze(state)
const newState = counterReducer(state, action)
expect(newState).toEqual({
good: 1,
ok: 0,
bad: 0
})
})
test('ok is incremented', () => {
const action = {
type: 'OK'
}
const state = initialState
deepFreeze(state)
const newState = counterReducer(state, action)
expect(newState).toEqual({
good: 0,
ok: 1,
bad: 0
})
})
test('bad is incremented', () => {
const action = {
type: 'BAD'
}
const state = initialState
deepFreeze(state)
const newState = counterReducer(state, action)
expect(newState).toEqual({
good: 0,
ok: 0,
bad: 1
})
})
test('zero resets state', () => {
const action = {
type: 'ZERO'
}
const state = {
good: 1,
ok: 2,
bad: 3
}
deepFreeze(state)
const newState = counterReducer(state, action)
expect(newState).toEqual(initialState)
})
})