Before Width: | Height: | Size: 3.5 KiB After Width: | Height: | Size: 3.5 KiB |
Before Width: | Height: | Size: 4.1 KiB After Width: | Height: | Size: 4.1 KiB |
Before Width: | Height: | Size: 12 KiB After Width: | Height: | Size: 12 KiB |
Before Width: | Height: | Size: 1.1 KiB After Width: | Height: | Size: 1.1 KiB |
@ -0,0 +1,23 @@
|
|||||||
|
# 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*
|
@ -0,0 +1,36 @@
|
|||||||
|
{
|
||||||
|
"name": "calculator",
|
||||||
|
"version": "0.1.0",
|
||||||
|
"private": true,
|
||||||
|
"dependencies": {
|
||||||
|
"@reduxjs/toolkit": "^1.5.1",
|
||||||
|
"@testing-library/jest-dom": "^4.2.4",
|
||||||
|
"@testing-library/react": "^9.3.2",
|
||||||
|
"@testing-library/user-event": "^7.1.2",
|
||||||
|
"react": "^17.0.2",
|
||||||
|
"react-dom": "^17.0.2",
|
||||||
|
"react-redux": "^7.2.3",
|
||||||
|
"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"
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
After Width: | Height: | Size: 3.5 KiB |
@ -0,0 +1,43 @@
|
|||||||
|
<!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 Redux 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>
|
After Width: | Height: | Size: 4.1 KiB |
After Width: | Height: | Size: 12 KiB |
@ -0,0 +1,25 @@
|
|||||||
|
{
|
||||||
|
"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"
|
||||||
|
}
|
@ -0,0 +1,2 @@
|
|||||||
|
# https://www.robotstxt.org/robotstxt.html
|
||||||
|
User-agent: *
|
@ -0,0 +1,39 @@
|
|||||||
|
.App {
|
||||||
|
text-align: center;
|
||||||
|
}
|
||||||
|
|
||||||
|
.App-logo {
|
||||||
|
height: 40vmin;
|
||||||
|
pointer-events: none;
|
||||||
|
}
|
||||||
|
|
||||||
|
@media (prefers-reduced-motion: no-preference) {
|
||||||
|
.App-logo {
|
||||||
|
animation: App-logo-float infinite 3s ease-in-out;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
.App-header {
|
||||||
|
min-height: 100vh;
|
||||||
|
display: flex;
|
||||||
|
flex-direction: column;
|
||||||
|
align-items: center;
|
||||||
|
justify-content: center;
|
||||||
|
font-size: calc(10px + 2vmin);
|
||||||
|
}
|
||||||
|
|
||||||
|
.App-link {
|
||||||
|
color: rgb(112, 76, 182);
|
||||||
|
}
|
||||||
|
|
||||||
|
@keyframes App-logo-float {
|
||||||
|
0% {
|
||||||
|
transform: translateY(0);
|
||||||
|
}
|
||||||
|
50% {
|
||||||
|
transform: translateY(10px);
|
||||||
|
}
|
||||||
|
100% {
|
||||||
|
transform: translateY(0px);
|
||||||
|
}
|
||||||
|
}
|
@ -0,0 +1,58 @@
|
|||||||
|
import React from 'react';
|
||||||
|
import logo from './logo.svg';
|
||||||
|
import { Counter } from './features/counter/Counter';
|
||||||
|
import './App.css';
|
||||||
|
|
||||||
|
function App() {
|
||||||
|
return (
|
||||||
|
<div className="App">
|
||||||
|
<header className="App-header">
|
||||||
|
<img src={logo} className="App-logo" alt="logo" />
|
||||||
|
<Counter />
|
||||||
|
<p>
|
||||||
|
Edit <code>src/App.js</code> and save to reload.
|
||||||
|
</p>
|
||||||
|
<span>
|
||||||
|
<span>Learn </span>
|
||||||
|
<a
|
||||||
|
className="App-link"
|
||||||
|
href="https://reactjs.org/"
|
||||||
|
target="_blank"
|
||||||
|
rel="noopener noreferrer"
|
||||||
|
>
|
||||||
|
React
|
||||||
|
</a>
|
||||||
|
<span>, </span>
|
||||||
|
<a
|
||||||
|
className="App-link"
|
||||||
|
href="https://redux.js.org/"
|
||||||
|
target="_blank"
|
||||||
|
rel="noopener noreferrer"
|
||||||
|
>
|
||||||
|
Redux
|
||||||
|
</a>
|
||||||
|
<span>, </span>
|
||||||
|
<a
|
||||||
|
className="App-link"
|
||||||
|
href="https://redux-toolkit.js.org/"
|
||||||
|
target="_blank"
|
||||||
|
rel="noopener noreferrer"
|
||||||
|
>
|
||||||
|
Redux Toolkit
|
||||||
|
</a>
|
||||||
|
,<span> and </span>
|
||||||
|
<a
|
||||||
|
className="App-link"
|
||||||
|
href="https://react-redux.js.org/"
|
||||||
|
target="_blank"
|
||||||
|
rel="noopener noreferrer"
|
||||||
|
>
|
||||||
|
React Redux
|
||||||
|
</a>
|
||||||
|
</span>
|
||||||
|
</header>
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
export default App;
|
@ -0,0 +1,15 @@
|
|||||||
|
import React from 'react';
|
||||||
|
import { render } from '@testing-library/react';
|
||||||
|
import { Provider } from 'react-redux';
|
||||||
|
import { store } from './app/store';
|
||||||
|
import App from './App';
|
||||||
|
|
||||||
|
test('renders learn react link', () => {
|
||||||
|
const { getByText } = render(
|
||||||
|
<Provider store={store}>
|
||||||
|
<App />
|
||||||
|
</Provider>
|
||||||
|
);
|
||||||
|
|
||||||
|
expect(getByText(/learn/i)).toBeInTheDocument();
|
||||||
|
});
|
@ -0,0 +1,67 @@
|
|||||||
|
import React, { useState } from 'react';
|
||||||
|
import { useSelector, useDispatch } from 'react-redux';
|
||||||
|
import {
|
||||||
|
decrement,
|
||||||
|
increment,
|
||||||
|
incrementByAmount,
|
||||||
|
incrementAsync,
|
||||||
|
incrementIfOdd,
|
||||||
|
selectCount,
|
||||||
|
} from './counterSlice';
|
||||||
|
import styles from './Counter.module.css';
|
||||||
|
|
||||||
|
export function Counter() {
|
||||||
|
const count = useSelector(selectCount);
|
||||||
|
const dispatch = useDispatch();
|
||||||
|
const [incrementAmount, setIncrementAmount] = useState('2');
|
||||||
|
|
||||||
|
const incrementValue = Number(incrementAmount) || 0;
|
||||||
|
|
||||||
|
return (
|
||||||
|
<div>
|
||||||
|
<div className={styles.row}>
|
||||||
|
<button
|
||||||
|
className={styles.button}
|
||||||
|
aria-label="Decrement value"
|
||||||
|
onClick={() => dispatch(decrement())}
|
||||||
|
>
|
||||||
|
-
|
||||||
|
</button>
|
||||||
|
<span className={styles.value}>{count}</span>
|
||||||
|
<button
|
||||||
|
className={styles.button}
|
||||||
|
aria-label="Increment value"
|
||||||
|
onClick={() => dispatch(increment())}
|
||||||
|
>
|
||||||
|
+
|
||||||
|
</button>
|
||||||
|
</div>
|
||||||
|
<div className={styles.row}>
|
||||||
|
<input
|
||||||
|
className={styles.textbox}
|
||||||
|
aria-label="Set increment amount"
|
||||||
|
value={incrementAmount}
|
||||||
|
onChange={(e) => setIncrementAmount(e.target.value)}
|
||||||
|
/>
|
||||||
|
<button
|
||||||
|
className={styles.button}
|
||||||
|
onClick={() => dispatch(incrementByAmount(incrementValue))}
|
||||||
|
>
|
||||||
|
Add Amount
|
||||||
|
</button>
|
||||||
|
<button
|
||||||
|
className={styles.asyncButton}
|
||||||
|
onClick={() => dispatch(incrementAsync(incrementValue))}
|
||||||
|
>
|
||||||
|
Add Async
|
||||||
|
</button>
|
||||||
|
<button
|
||||||
|
className={styles.button}
|
||||||
|
onClick={() => dispatch(incrementIfOdd(incrementValue))}
|
||||||
|
>
|
||||||
|
Add If Odd
|
||||||
|
</button>
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
);
|
||||||
|
}
|
@ -0,0 +1,78 @@
|
|||||||
|
.row {
|
||||||
|
display: flex;
|
||||||
|
align-items: center;
|
||||||
|
justify-content: center;
|
||||||
|
}
|
||||||
|
|
||||||
|
.row > button {
|
||||||
|
margin-left: 4px;
|
||||||
|
margin-right: 8px;
|
||||||
|
}
|
||||||
|
.row:not(:last-child) {
|
||||||
|
margin-bottom: 16px;
|
||||||
|
}
|
||||||
|
|
||||||
|
.value {
|
||||||
|
font-size: 78px;
|
||||||
|
padding-left: 16px;
|
||||||
|
padding-right: 16px;
|
||||||
|
margin-top: 2px;
|
||||||
|
font-family: 'Courier New', Courier, monospace;
|
||||||
|
}
|
||||||
|
|
||||||
|
.button {
|
||||||
|
appearance: none;
|
||||||
|
background: none;
|
||||||
|
font-size: 32px;
|
||||||
|
padding-left: 12px;
|
||||||
|
padding-right: 12px;
|
||||||
|
outline: none;
|
||||||
|
border: 2px solid transparent;
|
||||||
|
color: rgb(112, 76, 182);
|
||||||
|
padding-bottom: 4px;
|
||||||
|
cursor: pointer;
|
||||||
|
background-color: rgba(112, 76, 182, 0.1);
|
||||||
|
border-radius: 2px;
|
||||||
|
transition: all 0.15s;
|
||||||
|
}
|
||||||
|
|
||||||
|
.textbox {
|
||||||
|
font-size: 32px;
|
||||||
|
padding: 2px;
|
||||||
|
width: 64px;
|
||||||
|
text-align: center;
|
||||||
|
margin-right: 4px;
|
||||||
|
}
|
||||||
|
|
||||||
|
.button:hover,
|
||||||
|
.button:focus {
|
||||||
|
border: 2px solid rgba(112, 76, 182, 0.4);
|
||||||
|
}
|
||||||
|
|
||||||
|
.button:active {
|
||||||
|
background-color: rgba(112, 76, 182, 0.2);
|
||||||
|
}
|
||||||
|
|
||||||
|
.asyncButton {
|
||||||
|
composes: button;
|
||||||
|
position: relative;
|
||||||
|
}
|
||||||
|
|
||||||
|
.asyncButton:after {
|
||||||
|
content: '';
|
||||||
|
background-color: rgba(112, 76, 182, 0.15);
|
||||||
|
display: block;
|
||||||
|
position: absolute;
|
||||||
|
width: 100%;
|
||||||
|
height: 100%;
|
||||||
|
left: 0;
|
||||||
|
top: 0;
|
||||||
|
opacity: 0;
|
||||||
|
transition: width 1s linear, opacity 0.5s ease 1s;
|
||||||
|
}
|
||||||
|
|
||||||
|
.asyncButton:active:after {
|
||||||
|
width: 0%;
|
||||||
|
opacity: 1;
|
||||||
|
transition: 0s;
|
||||||
|
}
|
@ -0,0 +1,6 @@
|
|||||||
|
// A mock function to mimic making an async request for data
|
||||||
|
export function fetchCount(amount = 1) {
|
||||||
|
return new Promise((resolve) =>
|
||||||
|
setTimeout(() => resolve({ data: amount }), 500)
|
||||||
|
);
|
||||||
|
}
|
@ -0,0 +1,73 @@
|
|||||||
|
import { createAsyncThunk, createSlice } from '@reduxjs/toolkit';
|
||||||
|
import { fetchCount } from './counterAPI';
|
||||||
|
|
||||||
|
const initialState = {
|
||||||
|
value: 0,
|
||||||
|
status: 'idle',
|
||||||
|
};
|
||||||
|
|
||||||
|
// The function below is called a thunk and allows us to perform async logic. It
|
||||||
|
// can be dispatched like a regular action: `dispatch(incrementAsync(10))`. This
|
||||||
|
// will call the thunk with the `dispatch` function as the first argument. Async
|
||||||
|
// code can then be executed and other actions can be dispatched. Thunks are
|
||||||
|
// typically used to make async requests.
|
||||||
|
export const incrementAsync = createAsyncThunk(
|
||||||
|
'counter/fetchCount',
|
||||||
|
async (amount) => {
|
||||||
|
const response = await fetchCount(amount);
|
||||||
|
// The value we return becomes the `fulfilled` action payload
|
||||||
|
return response.data;
|
||||||
|
}
|
||||||
|
);
|
||||||
|
|
||||||
|
export const counterSlice = createSlice({
|
||||||
|
name: 'counter',
|
||||||
|
initialState,
|
||||||
|
// The `reducers` field lets us define reducers and generate associated actions
|
||||||
|
reducers: {
|
||||||
|
increment: (state) => {
|
||||||
|
// Redux Toolkit allows us to write "mutating" logic in reducers. It
|
||||||
|
// doesn't actually mutate the state because it uses the Immer library,
|
||||||
|
// which detects changes to a "draft state" and produces a brand new
|
||||||
|
// immutable state based off those changes
|
||||||
|
state.value += 1;
|
||||||
|
},
|
||||||
|
decrement: (state) => {
|
||||||
|
state.value -= 1;
|
||||||
|
},
|
||||||
|
// Use the PayloadAction type to declare the contents of `action.payload`
|
||||||
|
incrementByAmount: (state, action) => {
|
||||||
|
state.value += action.payload;
|
||||||
|
},
|
||||||
|
},
|
||||||
|
// The `extraReducers` field lets the slice handle actions defined elsewhere,
|
||||||
|
// including actions generated by createAsyncThunk or in other slices.
|
||||||
|
extraReducers: (builder) => {
|
||||||
|
builder
|
||||||
|
.addCase(incrementAsync.pending, (state) => {
|
||||||
|
state.status = 'loading';
|
||||||
|
})
|
||||||
|
.addCase(incrementAsync.fulfilled, (state, action) => {
|
||||||
|
state.status = 'idle';
|
||||||
|
state.value += action.payload;
|
||||||
|
});
|
||||||
|
},
|
||||||
|
});
|
||||||
|
|
||||||
|
export const { increment, decrement, incrementByAmount } = counterSlice.actions;
|
||||||
|
|
||||||
|
// The function below is called a selector and allows us to select a value from
|
||||||
|
// the state. Selectors can also be defined inline where they're used instead of
|
||||||
|
// in the slice file. For example: `useSelector((state: RootState) => state.counter.value)`
|
||||||
|
export const selectCount = (state) => state.counter.value;
|
||||||
|
|
||||||
|
// We can also write thunks by hand, which may contain both sync and async logic.
|
||||||
|
// Here's an example of conditionally dispatching actions based on current state.
|
||||||
|
export const incrementIfOdd = (amount) => (dispatch, getState) => {
|
||||||
|
const currentValue = selectCount(getState());
|
||||||
|
if (currentValue % 2 === 1) {
|
||||||
|
dispatch(incrementByAmount(amount));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
export default counterSlice.reducer;
|
@ -0,0 +1,33 @@
|
|||||||
|
import counterReducer, {
|
||||||
|
increment,
|
||||||
|
decrement,
|
||||||
|
incrementByAmount,
|
||||||
|
} from './counterSlice';
|
||||||
|
|
||||||
|
describe('counter reducer', () => {
|
||||||
|
const initialState = {
|
||||||
|
value: 3,
|
||||||
|
status: 'idle',
|
||||||
|
};
|
||||||
|
it('should handle initial state', () => {
|
||||||
|
expect(counterReducer(undefined, { type: 'unknown' })).toEqual({
|
||||||
|
value: 0,
|
||||||
|
status: 'idle',
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
it('should handle increment', () => {
|
||||||
|
const actual = counterReducer(initialState, increment());
|
||||||
|
expect(actual.value).toEqual(4);
|
||||||
|
});
|
||||||
|
|
||||||
|
it('should handle decrement', () => {
|
||||||
|
const actual = counterReducer(initialState, decrement());
|
||||||
|
expect(actual.value).toEqual(2);
|
||||||
|
});
|
||||||
|
|
||||||
|
it('should handle incrementByAmount', () => {
|
||||||
|
const actual = counterReducer(initialState, incrementByAmount(2));
|
||||||
|
expect(actual.value).toEqual(5);
|
||||||
|
});
|
||||||
|
});
|
@ -0,0 +1,13 @@
|
|||||||
|
body {
|
||||||
|
margin: 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;
|
||||||
|
}
|
@ -0,0 +1,21 @@
|
|||||||
|
import React from 'react';
|
||||||
|
import ReactDOM from 'react-dom';
|
||||||
|
import './index.css';
|
||||||
|
import App from './App';
|
||||||
|
import { store } from './redux';
|
||||||
|
import { Provider } from 'react-redux';
|
||||||
|
import * as serviceWorker from './serviceWorker';
|
||||||
|
|
||||||
|
ReactDOM.render(
|
||||||
|
<React.StrictMode>
|
||||||
|
<Provider store={store}>
|
||||||
|
<App />
|
||||||
|
</Provider>
|
||||||
|
</React.StrictMode>,
|
||||||
|
document.getElementById('root')
|
||||||
|
);
|
||||||
|
|
||||||
|
// If you want your app to work offline and load faster, you can change
|
||||||
|
// unregister() to register() below. Note this comes with some pitfalls.
|
||||||
|
// Learn more about service workers: https://bit.ly/CRA-PWA
|
||||||
|
serviceWorker.unregister();
|
After Width: | Height: | Size: 1.1 KiB |
@ -0,0 +1,8 @@
|
|||||||
|
import { configureStore } from '@reduxjs/toolkit';
|
||||||
|
import counterReducer from '../features/counter/counterSlice';
|
||||||
|
|
||||||
|
export const store = configureStore({
|
||||||
|
reducer: {
|
||||||
|
counter: counterReducer,
|
||||||
|
},
|
||||||
|
});
|
@ -0,0 +1,137 @@
|
|||||||
|
// This optional code is used to register a service worker.
|
||||||
|
// register() is not called by default.
|
||||||
|
|
||||||
|
// This lets the app load faster on subsequent visits in production, and gives
|
||||||
|
// it offline capabilities. However, it also means that developers (and users)
|
||||||
|
// will only see deployed updates on subsequent visits to a page, after all the
|
||||||
|
// existing tabs open on the page have been closed, since previously cached
|
||||||
|
// resources are updated in the background.
|
||||||
|
|
||||||
|
// To learn more about the benefits of this model and instructions on how to
|
||||||
|
// opt-in, read https://bit.ly/CRA-PWA
|
||||||
|
|
||||||
|
const isLocalhost = Boolean(
|
||||||
|
window.location.hostname === 'localhost' ||
|
||||||
|
// [::1] is the IPv6 localhost address.
|
||||||
|
window.location.hostname === '[::1]' ||
|
||||||
|
// 127.0.0.0/8 are considered localhost for IPv4.
|
||||||
|
window.location.hostname.match(
|
||||||
|
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
|
||||||
|
)
|
||||||
|
);
|
||||||
|
|
||||||
|
export function register(config) {
|
||||||
|
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
|
||||||
|
// The URL constructor is available in all browsers that support SW.
|
||||||
|
const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
|
||||||
|
if (publicUrl.origin !== window.location.origin) {
|
||||||
|
// Our service worker won't work if PUBLIC_URL is on a different origin
|
||||||
|
// from what our page is served on. This might happen if a CDN is used to
|
||||||
|
// serve assets; see https://github.com/facebook/create-react-app/issues/2374
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
window.addEventListener('load', () => {
|
||||||
|
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
|
||||||
|
|
||||||
|
if (isLocalhost) {
|
||||||
|
// This is running on localhost. Let's check if a service worker still exists or not.
|
||||||
|
checkValidServiceWorker(swUrl, config);
|
||||||
|
|
||||||
|
// Add some additional logging to localhost, pointing developers to the
|
||||||
|
// service worker/PWA documentation.
|
||||||
|
navigator.serviceWorker.ready.then(() => {
|
||||||
|
console.log(
|
||||||
|
'This web app is being served cache-first by a service ' +
|
||||||
|
'worker. To learn more, visit https://bit.ly/CRA-PWA'
|
||||||
|
);
|
||||||
|
});
|
||||||
|
} else {
|
||||||
|
// Is not localhost. Just register service worker
|
||||||
|
registerValidSW(swUrl, config);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function registerValidSW(swUrl, config) {
|
||||||
|
navigator.serviceWorker
|
||||||
|
.register(swUrl)
|
||||||
|
.then((registration) => {
|
||||||
|
registration.onupdatefound = () => {
|
||||||
|
const installingWorker = registration.installing;
|
||||||
|
if (installingWorker == null) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
installingWorker.onstatechange = () => {
|
||||||
|
if (installingWorker.state === 'installed') {
|
||||||
|
if (navigator.serviceWorker.controller) {
|
||||||
|
// At this point, the updated precached content has been fetched,
|
||||||
|
// but the previous service worker will still serve the older
|
||||||
|
// content until all client tabs are closed.
|
||||||
|
console.log(
|
||||||
|
'New content is available and will be used when all ' +
|
||||||
|
'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
|
||||||
|
);
|
||||||
|
|
||||||
|
// Execute callback
|
||||||
|
if (config && config.onUpdate) {
|
||||||
|
config.onUpdate(registration);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// At this point, everything has been precached.
|
||||||
|
// It's the perfect time to display a
|
||||||
|
// "Content is cached for offline use." message.
|
||||||
|
console.log('Content is cached for offline use.');
|
||||||
|
|
||||||
|
// Execute callback
|
||||||
|
if (config && config.onSuccess) {
|
||||||
|
config.onSuccess(registration);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
};
|
||||||
|
})
|
||||||
|
.catch((error) => {
|
||||||
|
console.error('Error during service worker registration:', error);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
function checkValidServiceWorker(swUrl, config) {
|
||||||
|
// Check if the service worker can be found. If it can't reload the page.
|
||||||
|
fetch(swUrl, {
|
||||||
|
headers: { 'Service-Worker': 'script' },
|
||||||
|
})
|
||||||
|
.then((response) => {
|
||||||
|
// Ensure service worker exists, and that we really are getting a JS file.
|
||||||
|
const contentType = response.headers.get('content-type');
|
||||||
|
if (
|
||||||
|
response.status === 404 ||
|
||||||
|
(contentType != null && contentType.indexOf('javascript') === -1)
|
||||||
|
) {
|
||||||
|
// No service worker found. Probably a different app. Reload the page.
|
||||||
|
navigator.serviceWorker.ready.then((registration) => {
|
||||||
|
registration.unregister().then(() => {
|
||||||
|
window.location.reload();
|
||||||
|
});
|
||||||
|
});
|
||||||
|
} else {
|
||||||
|
// Service worker found. Proceed as normal.
|
||||||
|
registerValidSW(swUrl, config);
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.catch(() => {
|
||||||
|
console.log(
|
||||||
|
'No internet connection found. App is running in offline mode.'
|
||||||
|
);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
export function unregister() {
|
||||||
|
if ('serviceWorker' in navigator) {
|
||||||
|
navigator.serviceWorker.ready.then((registration) => {
|
||||||
|
registration.unregister();
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
@ -0,0 +1,5 @@
|
|||||||
|
// 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';
|