A function for filling up storage using PouchDB

fill-up-pouchdb.js

var fillUp = async (numberOfDocs, templateDoc, destroy = true) => {
  let initialEstimate = await navigator.storage.estimate()
  let dbName = `test-${new Date().getTime()}`
  let db = new PouchDB(dbName)
  delete templateDoc._rev
  let i = 0
  while (numberOfDocs > i) {
    let doc = Object.assign({}, templateDoc, { _id: `${i}` })
    await db.put(doc)
    i++
  }
  let concludingEstimate = await navigator.storage.estimate()
  console.log(`
    Initial Estimate: ${JSON.stringify(initialEstimate)}
    Concluding estimate: ${JSON.stringify(concludingEstimate)}
    Usage Difference: ${concludingEstimate.usage - initialEstimate.usage} bytes
    Average Doc Size: ${(concludingEstimate.usage - initialEstimate.usage) / numberOfDocs} bytes
  `)
  if (destroy) await db.destroy()
}