Method attachCustomWheelEventHandler

lib/terminal.ts:818–822

* Attach a custom wheel event handler (Phase 2) * Returns true to prevent default handling

(
    customWheelEventHandler?: (event: WheelEvent) => boolean
  )

   * Returns true to prevent default handling
   */
  public attachCustomWheelEventHandler(
    customWheelEventHandler?: (event: WheelEvent) => boolean
  ): void {
    this.customWheelEventHandler = customWheelEventHandler;
  }

  // ==========================================================================
  // Link Detection Methods