Method on

packages/core/src/lenis.ts:277–279

(event: LenisEvent, callback: ScrollCallback | VirtualScrollCallback)

  on(event: 'scroll', callback: ScrollCallback): () => void
  on(event: 'virtual-scroll', callback: VirtualScrollCallback): () => void
  on(event: LenisEvent, callback: ScrollCallback | VirtualScrollCallback) {
    return this.emitter.on(event, callback as (...args: unknown[]) => void)
  }

  /**
   * Remove an event listener for the given event and callback