overleaf/services/web/app/src/models/File.js

const mongoose = require('../infrastructure/Mongoose')

const { Schema } = mongoose

const FileSchema = new Schema({
  name: {
    type: String,
    default: '',
  },
  created: {
    type: Date,
    default() {
      return new Date()
    },
  },
  rev: { type: Number, default: 0 },
  linkedFileData: { type: Schema.Types.Mixed },
  hash: {
    type: String,
  },
})

exports.File = mongoose.model('File', FileSchema)
exports.FileSchema = FileSchema