Implement wires module in React
New project to rewrite this in React.
This commit is contained in:
Daniel Sinn
+23
@@ -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*
|
||||
-14
@@ -13,20 +13,6 @@
|
||||
|
||||
<h1>Keep Talking and Nobody Explodes</h1>
|
||||
|
||||
<section id="sectionWires">
|
||||
<h2>Wires</h2>
|
||||
|
||||
<ul id="wireOptions">
|
||||
<li><button class="button red" data-colour="red"></button></li>
|
||||
<li><button class="button yellow" data-colour="yellow"></button></li>
|
||||
<li><button class="button blue" data-colour="blue"></button></li>
|
||||
<li><button class="button white" data-colour="white"></button></li>
|
||||
<li><button class="button black" data-colour="black"></button></li>
|
||||
</ul>
|
||||
|
||||
<ul id="wireList"></ul>
|
||||
</section>
|
||||
|
||||
<section id="sectionButton">
|
||||
<h2>Button</h2>
|
||||
<div>
|
||||
|
||||
@@ -39,117 +39,6 @@ $('section').each(function () {
|
||||
id && $('#navList').append($('<li></li>').append($a));
|
||||
});
|
||||
|
||||
(function () {
|
||||
/**
|
||||
* Wires
|
||||
*/
|
||||
var count = {
|
||||
red: 0,
|
||||
yellow: 0,
|
||||
blue: 0,
|
||||
white: 0,
|
||||
black: 0
|
||||
},
|
||||
$wireList = $('#wireList');
|
||||
|
||||
$('#wireOptions button').on('click', function () {
|
||||
var colour = this.getAttribute('data-colour'),
|
||||
letter = this.getAttribute('data-letter'),
|
||||
$li = $('<li><button class="button ' + colour + '" data-colour="' + colour
|
||||
+ '" data-letter="' + letter + '"></button></li>');
|
||||
|
||||
$wireList.append($li);
|
||||
count[colour]++;
|
||||
checkWireToCut();
|
||||
});
|
||||
|
||||
$wireList.on('click', 'button', function () {
|
||||
var deleteIndex = $(this).parent().index();
|
||||
|
||||
$wireList.children('li:eq(' + deleteIndex + '), li:gt(' + deleteIndex + ')').each(function () {
|
||||
var button = this.firstChild;
|
||||
count[button.getAttribute('data-colour')]--;
|
||||
$(this).remove();
|
||||
});
|
||||
|
||||
checkWireToCut();
|
||||
});
|
||||
|
||||
function checkWireToCut() {
|
||||
var lastColour = $wireList.children(':last-child').children().first().data('colour'),
|
||||
oddPossible;
|
||||
$wireList.find('.wireToCut').removeClass('wireToCut odd even');
|
||||
|
||||
switch ($wireList.children().length) {
|
||||
case 3:
|
||||
oddPossible = false;
|
||||
|
||||
if (!count['red']) {
|
||||
addWireToCut(2);
|
||||
} else if (lastColour === 'white') {
|
||||
addWireToCut();
|
||||
} else if (count['blue'] > 1) {
|
||||
$wireList.find('[data-colour="blue"]').last().parent().addClass('wireToCut');
|
||||
} else {
|
||||
addWireToCut();
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
oddPossible = count['red'] > 1;
|
||||
if (oddPossible) {
|
||||
$wireList.find('[data-colour="red"]').parent().last().addClass('wireToCut odd');
|
||||
}
|
||||
|
||||
if (lastColour === 'yellow' && !count['red'] || count['blue'] === 1) {
|
||||
addWireToCut(1);
|
||||
} else if (count['yellow'] > 1) {
|
||||
addWireToCut();
|
||||
} else {
|
||||
addWireToCut(2);
|
||||
}
|
||||
break;
|
||||
case 5:
|
||||
oddPossible = lastColour === 'black';
|
||||
if (oddPossible) {
|
||||
addWireToCut(4, 'odd');
|
||||
}
|
||||
|
||||
if (count['red'] === 1 && count['yellow'] > 1) {
|
||||
addWireToCut(1);
|
||||
} else if (!count['black']) {
|
||||
addWireToCut(2);
|
||||
} else {
|
||||
addWireToCut(1);
|
||||
}
|
||||
break;
|
||||
case 6:
|
||||
oddPossible = !count['yellow'];
|
||||
if (oddPossible) {
|
||||
addWireToCut(3, 'odd');
|
||||
}
|
||||
|
||||
if (count['yellow'] === 1 && count['white'] > 1) {
|
||||
addWireToCut(4);
|
||||
} else if (!count['red']) {
|
||||
addWireToCut();
|
||||
} else {
|
||||
addWireToCut(4);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
function addWireToCut(child, className) {
|
||||
if (typeof className === 'undefined') {
|
||||
className = 'even';
|
||||
}
|
||||
$wireList.children(isNaN(child) ? ':last-child' : ':nth-child(' + child + ')')
|
||||
.addClass('wireToCut' + (className !== 'even' || oddPossible ? ' ' + className : ''));
|
||||
}
|
||||
}
|
||||
})();
|
||||
|
||||
(function () {
|
||||
/**
|
||||
* Button
|
||||
|
||||
Generated
+13368
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,35 @@
|
||||
{
|
||||
"name": "ktane-helper",
|
||||
"version": "0.1.0",
|
||||
"private": true,
|
||||
"dependencies": {
|
||||
"prop-types": "^15.7.2",
|
||||
"react": "^16.12.0",
|
||||
"react-dom": "^16.12.0",
|
||||
"react-scripts": "3.2.0"
|
||||
},
|
||||
"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"
|
||||
]
|
||||
},
|
||||
"devDependencies": {
|
||||
"@babel/preset-react": "^7.7.0"
|
||||
}
|
||||
}
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 22 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="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>Keep Talking and Nobody Explodes</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>
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 8.4 KiB |
Binary file not shown.
|
After Width: | Height: | Size: 22 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: *
|
||||
@@ -112,31 +112,6 @@ nav {
|
||||
padding: 0.1em 0.5em;
|
||||
}
|
||||
|
||||
#sectionWires button {
|
||||
border-color: black;
|
||||
cursor: pointer;
|
||||
width: 2em;
|
||||
height: 2em;
|
||||
}
|
||||
#wireOptions li {
|
||||
display: inline-block;
|
||||
}
|
||||
#wireList {
|
||||
list-style-type: decimal;
|
||||
}
|
||||
.wireToCut:after {
|
||||
color: green;
|
||||
}
|
||||
.wireToCut:after, .wireToCut.odd.even:after {
|
||||
content: '\27fd';
|
||||
}
|
||||
.wireToCut.odd:after {
|
||||
content: '\27fd\a0 odd';
|
||||
}
|
||||
.wireToCut.even:after {
|
||||
content: '\27fd\a0 even';
|
||||
}
|
||||
|
||||
#sectionButton {
|
||||
line-height: 150%;
|
||||
}
|
||||
+17
@@ -0,0 +1,17 @@
|
||||
import React from 'react';
|
||||
import './App.css';
|
||||
import WiresModule from "./components/WiresModule";
|
||||
|
||||
function App() {
|
||||
return (
|
||||
<div className="App">
|
||||
<header>
|
||||
<h1>Keep Talking and Nobody Explodes</h1>
|
||||
</header>
|
||||
|
||||
<WiresModule id='sectionWires' />
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
export default App;
|
||||
@@ -0,0 +1,9 @@
|
||||
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);
|
||||
});
|
||||
@@ -0,0 +1,38 @@
|
||||
import PropTypes from "prop-types";
|
||||
import React, {Component} from "react";
|
||||
|
||||
class KtaneModule extends Component {
|
||||
constructor(props) {
|
||||
super(props);
|
||||
|
||||
this.resetState();
|
||||
}
|
||||
|
||||
getTitle() {
|
||||
throw new Error("getTitle() not implemented.");
|
||||
}
|
||||
|
||||
mainRender() {
|
||||
throw new Error("mainRender() not implemented.");
|
||||
}
|
||||
|
||||
render() {
|
||||
return (
|
||||
<section id={this.props.id}>
|
||||
<h2>{this.getTitle()}</h2>
|
||||
|
||||
{this.mainRender()}
|
||||
</section>
|
||||
);
|
||||
}
|
||||
|
||||
resetState() {
|
||||
throw new Error("mainRender() not implemented.");
|
||||
}
|
||||
}
|
||||
|
||||
KtaneModule.propTypes = {
|
||||
id: PropTypes.string
|
||||
};
|
||||
|
||||
export default KtaneModule;
|
||||
@@ -0,0 +1,194 @@
|
||||
import KtaneModule from "./KtaneModule";
|
||||
import React from "react";
|
||||
import "../css/WiresModule.css";
|
||||
|
||||
export default class WiresModule extends KtaneModule {
|
||||
|
||||
constructor(props) {
|
||||
super(props);
|
||||
|
||||
this.addWire = this.addWire.bind(this);
|
||||
this.deleteWires = this.deleteWires.bind(this);
|
||||
|
||||
this.classNameEven = "even";
|
||||
this.classNameOdd = "odd";
|
||||
|
||||
this.colourRed = "red";
|
||||
this.colourYellow = "yellow";
|
||||
this.colourBlue = "blue";
|
||||
this.colourWhite = "white";
|
||||
this.colourBlack = "black";
|
||||
|
||||
this.allColours = [this.colourRed, this.colourYellow, this.colourBlue, this.colourWhite, this.colourBlack];
|
||||
}
|
||||
|
||||
addWire(event) {
|
||||
const colour = event.target.dataset.colour;
|
||||
|
||||
this.setState(state => {
|
||||
state.counts[colour]++;
|
||||
|
||||
return {
|
||||
counts: state.counts,
|
||||
wires: this.computeWiresToCut(state.counts, [...state.wires, {
|
||||
colour,
|
||||
cutFlags: [],
|
||||
shouldCut: false
|
||||
}])
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
computeWiresToCut(counts, wires) {
|
||||
this.resetWiresToCut(wires);
|
||||
|
||||
const lastColour = wires.slice(-1).colour;
|
||||
|
||||
switch (wires.length) {
|
||||
case 3: {
|
||||
if (!counts.red) {
|
||||
this.flagWireForCutting(wires, 2);
|
||||
} else if (lastColour === this.colourWhite) {
|
||||
this.flagWireForCutting(wires, wires.length);
|
||||
} else if (counts.blue > 1) {
|
||||
this.flagWireForCutting(wires, this.getLastIndexOfColour(wires, this.colourBlue));
|
||||
} else {
|
||||
this.flagWireForCutting(wires, wires.length);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 4: {
|
||||
const isOddPossible = counts.red > 1;
|
||||
if (isOddPossible) {
|
||||
this.flagWireForCutting(wires, this.getLastIndexOfColour(wires, this.colourRed), this.classNameOdd);
|
||||
}
|
||||
|
||||
if ((lastColour === this.colourYellow && counts.red) || counts.blue === 1) {
|
||||
this.flagWireForCutting(wires, 1, isOddPossible ? this.classNameEven : null);
|
||||
} else if (counts.yellow > 1) {
|
||||
this.flagWireForCutting(wires, wires.length, isOddPossible ? this.classNameEven : null);
|
||||
} else {
|
||||
this.flagWireForCutting(wires, 2, isOddPossible ? this.classNameEven : null);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 5: {
|
||||
const isOddPossible = lastColour === 'black';
|
||||
if (isOddPossible) {
|
||||
this.flagWireForCutting(wires, 4, this.classNameOdd);
|
||||
}
|
||||
|
||||
if (counts.red === 1 && counts.yellow > 1) {
|
||||
this.flagWireForCutting(wires, 1, isOddPossible ? this.classNameEven : null);
|
||||
} else if (!counts.black) {
|
||||
this.flagWireForCutting(wires, 2, isOddPossible ? this.classNameEven : null);
|
||||
} else {
|
||||
this.flagWireForCutting(wires, 1, isOddPossible ? this.classNameEven : null);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case 6: {
|
||||
const isOddPossible = !counts.yellow;
|
||||
if (isOddPossible) {
|
||||
this.flagWireForCutting(wires, 3, this.classNameOdd);
|
||||
}
|
||||
|
||||
if (counts.yellow === 1 && counts.white > 1) {
|
||||
this.flagWireForCutting(wires, 4, isOddPossible ? this.classNameEven : null);
|
||||
} else if (!counts.red) {
|
||||
this.flagWireForCutting(wires, wires.length, isOddPossible ? this.classNameEven : null);
|
||||
} else {
|
||||
this.flagWireForCutting(wires, 4, isOddPossible ? this.classNameEven : null);
|
||||
}
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return wires;
|
||||
}
|
||||
|
||||
deleteWires(event) {
|
||||
const wireIndex = parseInt(event.target.dataset.index, 10);
|
||||
|
||||
this.setState(state => {
|
||||
state.wires.splice(wireIndex).forEach(wire => {
|
||||
state.counts[wire.colour]--;
|
||||
});
|
||||
|
||||
return {
|
||||
counts: state.counts,
|
||||
wires: this.computeWiresToCut(state.counts, state.wires)
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
flagWireForCutting(wires, oneIndex, extraFlag) {
|
||||
const zeroIndex = oneIndex - 1;
|
||||
|
||||
wires[zeroIndex].shouldCut = true;
|
||||
|
||||
if (extraFlag) {
|
||||
wires[zeroIndex].cutFlags.push(extraFlag);
|
||||
}
|
||||
}
|
||||
|
||||
getLastIndexOfColour(wires, colour) {
|
||||
for (let i = wires.length - 1; i >= 0; i--) {
|
||||
if (wires[i].colour === colour) {
|
||||
return i + 1;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
getTitle() {
|
||||
return "Wires";
|
||||
}
|
||||
|
||||
mainRender() {
|
||||
return (
|
||||
<>
|
||||
<ul>
|
||||
{
|
||||
this.allColours.map(colour => (
|
||||
<li key={`option_${colour}`}>
|
||||
<button className={`button ${colour}`} data-colour={colour} onClick={this.addWire} />
|
||||
</li>
|
||||
))
|
||||
}
|
||||
</ul>
|
||||
|
||||
<ul id="wireList">
|
||||
{
|
||||
this.state.wires.map((wire, index) => (
|
||||
<li className={`${wire.shouldCut ? "wireToCut" : ""} ${wire.cutFlags.join(" ")}`} key={index}>
|
||||
<button className={`button ${wire.colour}`} data-index={index} onClick={this.deleteWires} />
|
||||
</li>
|
||||
))
|
||||
}
|
||||
</ul>
|
||||
</>
|
||||
)
|
||||
}
|
||||
|
||||
resetState() {
|
||||
this.state = {
|
||||
// @TODO Convert this.allColours to a constant that is available here, i.e., before the constructor's super call
|
||||
counts: ["red", "yellow", "blue", "white", "black"].reduce((counts, colour) => {
|
||||
counts[colour] = 0;
|
||||
return counts;
|
||||
}, {}),
|
||||
wires: []
|
||||
};
|
||||
}
|
||||
|
||||
resetWiresToCut(wires) {
|
||||
wires.forEach(wire => {
|
||||
wire.cutFlags = [];
|
||||
wire.shouldCut = false;
|
||||
});
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,24 @@
|
||||
#sectionWires button {
|
||||
border-color: black;
|
||||
cursor: pointer;
|
||||
width: 2em;
|
||||
height: 2em;
|
||||
}
|
||||
#wireOptions li {
|
||||
display: inline-block;
|
||||
}
|
||||
#wireList {
|
||||
list-style-type: decimal;
|
||||
}
|
||||
.wireToCut:after {
|
||||
color: green;
|
||||
}
|
||||
.wireToCut:after, .wireToCut.odd.even:after {
|
||||
content: '\27fd';
|
||||
}
|
||||
.wireToCut.odd:after {
|
||||
content: '\27fd\a0 odd';
|
||||
}
|
||||
.wireToCut.even:after {
|
||||
content: '\27fd\a0 even';
|
||||
}
|
||||
@@ -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 +1,12 @@
|
||||
import React from 'react';
|
||||
import ReactDOM from 'react-dom';
|
||||
import './index.css';
|
||||
import App from './App';
|
||||
import * as serviceWorker from './serviceWorker';
|
||||
|
||||
ReactDOM.render(<App />, 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();
|
||||
@@ -0,0 +1,135 @@
|
||||
// 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]' ||
|
||||
// 127.0.0.1/8 is 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)
|
||||
.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();
|
||||
});
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user