p5.js-web-editor/server/views/404Page.js

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