p5.js-web-editor/server/models/project.js

import mongoose from 'mongoose';
const Schema = mongoose.Schema;
import shortid from 'shortid';

const fileSchema = new Schema({
	name: {type: String, default: 'sketch.js'},
	content: {type: String}
}, {timestamps: true});

const projectSchema = new Schema({
	name: {type: String, default: "Hello p5.js, it's the server"},
	user: {type: Schema.Types.ObjectId, ref: 'User'},
	file: {type: fileSchema},
	_id: {type: String, default: shortid.generate}
}, {timestamps: true});

export default mongoose.model('Project', projectSchema);