p5.js-web-editor/server/controllers/embed.controller.js
Cassie Tarakajian 04922522cc cool to share some of this code between client and server
Squashed commit of the following:

commit fb5e82cea930b011792983c7d1cc9f6ecacc7dd4
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Wed Nov 16 12:28:10 2016 -0500

    add server side rendering, untested

commit 5c60fb30c46ea49a8d9a0ecb56f39ec778464a8b
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Tue Nov 15 18:26:06 2016 -0500

    add redux-form bandage post react update, should probably update to redux-form 6 at some point

commit 057b5871e7137179abc93f7821a9690f0ea52c92
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Tue Nov 15 16:30:09 2016 -0500

    remove passing jsFiles and cssFiles to PreviewFrame, fix rendering bug

commit 88c56fd36d3a8d88902c79642171988ce37825f2
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Tue Nov 15 16:21:59 2016 -0500

    code cleanup, untested

commit 82e5dcf8bca461892f1daf06d38f1eaebe72983f
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Tue Nov 15 15:53:50 2016 -0500

    update react and react router, fix a few bugs in rendering code, add ability to parse inline js and css

commit e02f4b67803ea45328eff4e53659222f3149964c
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Tue Nov 15 14:43:38 2016 -0500

    add almost full code to create preview html correctly, untested

commit 12f61b2a1aed4607fab24d01572b647ca6210262
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Wed Nov 2 17:09:26 2016 -0400

    refactor some of the preview html generation code

commit 111825846703d5c8959cb18795a3aadb7ebe505c
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Wed Nov 2 11:06:36 2016 -0400

    add comments as plan of action

commit 1cc2cf5203674732b4057382f1937de38b687078
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Thu Oct 27 19:34:55 2016 -0400

    add href parsing

commit e67189298cda9b70645f454ecd541a363980f0e4
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Thu Oct 27 10:48:36 2016 -0400

    continue parsing html

commit 1458fb940a15a3dc5d74890211a3073e920b84b8
Author: Cassie Tarakajian <ctarakajian@gmail.com>
Date:   Wed Oct 26 17:40:31 2016 -0400

    start to add html parsing
2016-11-16 13:12:36 -05:00

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JavaScript

import Project from '../models/project';
import escapeStringRegexp from 'escape-string-regexp';
const startTag = '@fs-';
import { resolvePathToFile } from '../utils/filePath';
import {
injectMediaUrls,
resolvePathsForElementsWithAttribute,
resolveScripts,
resolveStyles } from '../utils/previewGeneration';
import jsdom, { serializeDocument } from 'jsdom';
export function serveProject(req, res) {
Project.findById(req.params.project_id)
.exec((err, project) => {
//TODO this does not parse html
const files = project.files;
let htmlFile = files.find(file => file.name.match(/\.html$/i)).content;
const filesToInject = files.filter(file => file.name.match(/\.(js|css)$/i));
injectMediaUrls(filesToInject, files, req.params.project_id);
jsdom.env(htmlFile, (err, window) => {
const sketchDoc = window.document;
resolvePathsForElementsWithAttribute('src', sketchDoc, files);
resolvePathsForElementsWithAttribute('href', sketchDoc, files);
resolveScripts(sketchDoc, files);
resolveStyles(sketchDoc, files);
res.send(serializeDocument(sketchDoc));
});
});
}