snapshot/src/utils.js

const sd = require('@wildpeaks/snapshot-dom')

// converts DOM element to a JSON object
function serializeDomElement ($el) {
  // console.log('snapshot value!', $el)
  const json = sd.toJSON($el.context)
  // remove React id, too transient
  delete json.attributes['data-reactid']
  // console.log('as json', json)

  // hmm, why is value not serialized?
  if ($el.context.value && !json.attributes.value) {
    json.attributes.value = $el.context.value
  }

  return json
}

const identity = (x) => x

const publicProps = (name) => !name.startsWith('__')

const countSnapshots = (snapshots) =>
  Object.keys(snapshots).filter(publicProps).length

module.exports = {
  SNAPSHOT_FILE_NAME: 'snapshots.js',
  serializeDomElement,
  identity,
  countSnapshots
}