Function segmentPlugin

packages/analytics-plugin-segment/src/node.js:34–110

* Segment serverside analytics plugin * @link https://getanalytics.io/plugins/segment/ * @link https://segment.com/docs/sources/website/analytics.js/ * @param {object} pluginConfig - Plugin settings * @param {string} pluginConfig.writeKey - Your segment writeKey * @param {boolean} [pluginConf

(userConfig = {})

 * })
 */
function segmentPlugin(userConfig = {}) {
  const config = {
    ...defaultConfig,
    ...userConfig
  }
  const client = new Analytics(config.writeKey, {
    ...config
  })

  return {
    name: 'segment',
    config: config,
    // Custom segment methods
    methods: {
      // Segment group call https://segment.com/docs/connections/sources/catalog/libraries/server/node/#group
      group(groupId, traits = {}, options = {}, callback) {
        const analyticsInstance = this.instance
        const user = analyticsInstance.user()
        const userId = options.userId || user.userId
        const anonymousId = options.anonymousId || user.anonymousId
        client.group({
          ...(anonymousId ? { anonymousId } : {}),
          ...(userId ? { userId } : {}),
          groupId: groupId,
          traits: traits,
        }, callback)
      },
      // Function for using analytics-node client in other methods
      getClient: () => client,
    },
    /* page view */
    page: ({ payload, config }) => {
      const { userId, anonymousId } = payload
      if (!userId && !anonymousId) {
        throw new Error('Missing userId and anonymousId. You must include one to make segment call')
      }

      const data = {
        properties: payload.properties,
        anonymousId,
        userId
      }

      client.page(data)
    },
    /* track event */
    track: ({ payload, config }) => {
      const { userId, anonymousId } = payload
      if (!userId && !anonymousId) {
        throw new Error('Missing userId and anonymousId. You must include one to make segment call')
      }

      const data = {
        event: payload.event,
        properties: payload.properties
      }

      if (userId) {