142 lines
4.8 KiB
JavaScript
142 lines
4.8 KiB
JavaScript
import User from '../models/user';
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import Project from '../models/project';
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function insertErrorMessage(htmlFile) {
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const html = htmlFile.split('</head>');
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const metaDescription = 'A web editor for p5.js, a JavaScript library with the goal of making coding accessible to artists, designers, educators, and beginners.'; // eslint-disable-line
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html[0] = `
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${html[0]}
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="keywords" content="p5.js, p5.js web editor, web editor, processing, code editor" />
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<meta name="description" content="${metaDescription}" />
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<title>404 Page Not Found - p5.js Web Editor</title>
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<style>
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.header {
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position: fixed;
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height: 200px;
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width: 100%;
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z-index: 1;
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background: white;
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color: #ed225d;
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font-family: Montserrat, sans-serif;
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text-align: center;
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display: table;
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}
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.message-container {
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display: table-cell;
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vertical-align: middle;
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}
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.message {
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color: #6b6b6b;
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margin: 10px;
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}
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.home-link {
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color: #b5b5b5;
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text-decoration: none;
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}
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canvas {
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position: fixed;
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width: 100% !important;
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height: 100% !important;
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}
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</style>
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<link href='https://fonts.googleapis.com/css?family=Inconsolata' rel='stylesheet' type='text/css'>
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<link href='https://fonts.googleapis.com/css?family=Montserrat:400,700' rel='stylesheet' type='text/css'>
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<link
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rel='shortcut icon'
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href='https://raw.githubusercontent.com/processing/p5.js-website-OLD/master/favicon.ico'
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type='image/x-icon'
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>
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`;
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const body = html[1].split('<body>');
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html[1] = `
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${body[0]}
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<body>
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<div class="header">
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<div class="message-container">
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<h1>404 Page Not Found</h1>
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<h6 class="message">The page you are trying to reach does not exist.</h6>
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<h6 class="message">
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Please check the URL or return to the <a href="/" class="home-link">home page</a>.
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</h6>
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</div>
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</div>
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${body[1]}
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`;
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return html.join('</head>');
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}
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export function get404Sketch(callback) {
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User.findOne({ username: 'p5' }, (userErr, user) => { // Find p5 user
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if (userErr) {
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throw userErr;
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} else if (user) {
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Project.find({ user: user._id }, (projErr, projects) => { // Find example projects
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// Choose a random sketch
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const randomIndex = Math.floor(Math.random() * projects.length);
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const sketch = projects[randomIndex];
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let instanceMode = false;
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// Get sketch files
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let htmlFile = sketch.files.filter(file => file.name.match(/.*\.html$/i))[0].content;
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const jsFiles = sketch.files.filter(file => file.name.match(/.*\.js$/i));
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const cssFiles = sketch.files.filter(file => file.name.match(/.*\.css$/i));
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const linkedFiles = sketch.files.filter(file => file.url);
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instanceMode = jsFiles.find(file => file.name === 'sketch.js').content.includes('Instance Mode');
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jsFiles.forEach((file) => { // Add js files as script tags
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const html = htmlFile.split('</body>');
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html[0] = `${html[0]}<script>${file.content}</script>`;
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htmlFile = html.join('</body>');
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});
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cssFiles.forEach((file) => { // Add css files as style tags
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const html = htmlFile.split('</head>');
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html[0] = `${html[0]}<style>${file.content}</style>`;
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htmlFile = html.join('</head>');
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});
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linkedFiles.forEach((file) => { // Add linked files as link tags
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const html = htmlFile.split('<head>');
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html[1] = `<link href=${file.url}>${html[1]}`;
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htmlFile = html.join('<head>');
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});
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// Add 404 html and position canvas
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htmlFile = insertErrorMessage(htmlFile);
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// Fix links to assets
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htmlFile = htmlFile.replace(
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/'assets/g,
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"'https://rawgit.com/processing/p5.js-website/master/dist/assets/examples/assets/"
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);
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htmlFile = htmlFile.replace(
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/"assets/g,
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'"https://rawgit.com/processing/p5.js-website/master/dist/assets/examples/assets/'
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);
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// Change canvas size
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htmlFile = htmlFile.replace(/createCanvas\(\d+, ?\d+/g, instanceMode ?
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'createCanvas(p.windowWidth, p.windowHeight'
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:
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'createCanvas(windowWidth, windowHeight');
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callback(htmlFile);
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});
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} else {
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callback(insertErrorMessage(`<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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</head>
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<body>
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</body>
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</html>`));
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}
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});
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}
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export default get404Sketch;
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