bugsnag/bugsnag-js

const DO_NOT_SERIALIZE = ['logger', 'plugins']
const jsonStringify = require('@bugsnag/safe-json-stringify')

module.exports = (config, metadata, features, user, context) => {
  const onlySerializableConfig = Object.keys(config).reduce((accum, k) => {
    if (!DO_NOT_SERIALIZE.includes(k)) return { ...accum, [k]: config[k] }
    return accum
  }, {})
  const configWithState = {
    ...onlySerializableConfig,
    metadata,
    features,
    user,
    context
  }
  return jsonStringify(configWithState)
}