/* @flow */ import supportsCaptureOption from './supportsCaptureOption'; export type Options = { capture?: ?boolean; passive?: ?boolean; }; export function addEventListener(target: EventTarget, type: string, handler: EventListener, options?: Options|boolean, wantsUntrusted?: boolean) { const optionsOrCapture: any = (supportsCaptureOption() || !options || typeof options !== 'object') ? options : !!options.capture; (target:any).addEventListener(type, handler, optionsOrCapture, wantsUntrusted); } export function removeEventListener(target: EventTarget, type: string, handler: EventListener, options?: Options|boolean) { const optionsOrCapture: any = (supportsCaptureOption() || !options || typeof options !== 'object') ? options : !!options.capture; target.removeEventListener(type, handler, optionsOrCapture); }