Analytics Forwarder

Forwards analytics events to S3 via API Gateway and Firehose. This repo includes the serverless lambda function for the endpoint, as well as the front-end Javascript SDK.

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Lambda Installation (Experimental)

To deploy, after installing nvm:

nvm use
npm install -g [email protected]
npm install
./deploy [ENV]

SDK Usage

Client ID

const tracker = new AnalyticsForwarder({
  keyUrl: <URL_TO_GET_KEY>,
  analyticsUrl: <URL_TO_SEND_ANALYTICS>,
  clientId: <CLIENT_ID>,
  application: 'example',
});

tracker.setUser('1');
tracker.trackEvent('clicked_button', { button_text: 'help' });

Bearer Token

const tracker = new AnalyticsForwarder({
  keyUrl: <URL_TO_GET_KEY>,
  analyticsUrl: <URL_TO_SEND_ANALYTICS>,
  bearerToken: <BEARER_TOKEN>,
  application: 'example',
});

tracker.setUser('1', <BEARER_TOKEN>);
tracker.trackEvent('clicked_button', { button_text: 'help' });

Functions

getFingerprint() ⇒ Promise

Get a fingerprint for the user based on their IP address and user agent. Store the fingerprint as a cookie for when the user returns.

Kind: global function Returns: Promise - A promise with the fingerprint.

getKey() ⇒ Promise

Get a the tracking key for the user based on the authentication mode. If public is true, use a public client ID to get the key. If public is false, use a bearer token to get the key.

Kind: global function Returns: Promise - A promise with the tracking key.

setUser(id, bearerToken) ⇒ Promise

Set the current user to track and identify the user in the analytics.

Kind: global function

| Param | Type | Description | | --- | --- | --- | | id | String | The id of the user to track. | | bearerToken | String | The bearer token for the user for non public tracking. |

trackEvent(event, properties) ⇒ Promise

Track an event with certain metadata and properties about the user.

Kind: global function

| Param | Type | Description | | --- | --- | --- | | event | String | The name of the event to track. | | properties | Object | Metadata to track about the event. |

trackException(exception, fatal) ⇒ Promise

Track an exception event with the exception and whether or not it was fatal as properties.

Kind: global function

| Param | Type | Description | | --- | --- | --- | | exception | String | The exception to track. | | fatal | Boolean | Whether or not the exceptionw as fatal. |

trackPage(page) ⇒ Promise

Track a page event with the name of the page as a property.

Kind: global function

| Param | Type | Description | | --- | --- | --- | | page | String | The name of the page to track. |