wikimedia/mediawiki-extensions-Wikibase

import Tracker from './Tracker';

export default class PrefixingEventTracker implements Tracker {
    private readonly tracker: Tracker;
    private readonly trackingTopicPrefix: string;

    public constructor( tracker: Tracker, trackingTopicPrefix: string ) {
        this.tracker = tracker;
        this.trackingTopicPrefix = trackingTopicPrefix;
    }

    public increment( topic: string ): void {
        this.tracker.increment( `${this.trackingTopicPrefix}.${topic}` );
    }

    public recordTiming( topic: string, timeInMS: number ): void {
        this.tracker.recordTiming( `${this.trackingTopicPrefix}.${topic}`, timeInMS );
    }

}