Home > @snowplow/node-tracker > CorePlugin
Interface which defines Core Plugins
Signature:
interface CorePlugin | Property | Type | Description |
|---|---|---|
| activateCorePlugin? | (core: TrackerCore) => void | (Optional) Called when the plugin is initialised during the trackerCore construction |
| afterTrack? | (payload: Payload) => void | (Optional) Called just after the trackerCore callback fires |
| beforeTrack? | (payloadBuilder: PayloadBuilder) => void | (Optional) Called before the filter method is called and before the trackerCore callback fires (if the filter passes) |
| contexts? | () => SelfDescribingJson[] | (Optional) Called when constructing the context for each event Useful for adding additional context to events |
| filter? | (payload: Payload) => boolean | (Optional) Called before the payload is sent to the callback to decide whether to send the payload or skip it |
| logger? | (logger: Logger) => void | (Optional) Passed a logger instance which can be used to send log information to the active logger |