123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142

import { typeGuard } from "https://deno.land/x/tsafe@v1.6.6/typeGuard.ts";
export type EventTargetLike<T> =    EventTargetLike.HasEventTargetAddRemove<T> |    EventTargetLike.NodeStyleEventEmitter |    EventTargetLike.JQueryStyleEventEmitter |    EventTargetLike.RxJSSubject<T>    ;
export namespace EventTargetLike {
    export type HTMLElement = HasEventTargetAddRemove<any> & {        innerText: string;    };
    export type Window = HasEventTargetAddRemove<any> & {        document: EventTargetLike.Document;    };
    export type Document = HasEventTargetAddRemove<any> & {        URL: string;    };
    export type RxJSSubject<T> = {        subscribe: (next: (data: T) => void) => RxJSSubject.Subscription;    };
    export namespace RxJSSubject {
        export type Subscription = {            unsubscribe(): void;        };
        export function match<T>(eventTarget: EventTargetLike<T>): eventTarget is RxJSSubject<T> {            return (                typeGuard<RxJSSubject<T>>(eventTarget, true) &&                eventTarget instanceof Object &&                typeof eventTarget.subscribe === "function"            );        }

    }

    export type NodeStyleEventEmitter =        NodeStyleEventEmitter.Compat |        NodeStyleEventEmitter.Regular        ;
    export namespace NodeStyleEventEmitter {
        export interface Regular {            addListener: (eventName: string | symbol, handler: NodeEventHandler) => this;            removeListener: (eventName: string | symbol, handler: NodeEventHandler) => this;        };
        export interface Compat {            addListener: (eventName: string, handler: NodeEventHandler) => void | {};            removeListener: (eventName: string, handler: NodeEventHandler) => void | {};        }
        export declare type NodeEventHandler = (...args: any[]) => void;
        export function match<T>(eventTarget: EventTargetLike<T>): eventTarget is NodeStyleEventEmitter {            return (                typeGuard<NodeStyleEventEmitter>(eventTarget, true) &&                eventTarget instanceof Object &&                typeof eventTarget.addListener === "function" &&                typeof eventTarget.removeListener === "function"            );        }
    }
    export interface JQueryStyleEventEmitter {        on: (eventName: string, handler: Function) => void;        off: (eventName: string, handler: Function) => void;    }
    export namespace JQueryStyleEventEmitter {
        export function match<T>(eventTarget: EventTargetLike<T>): eventTarget is JQueryStyleEventEmitter {            return (                typeGuard<JQueryStyleEventEmitter>(eventTarget, true) &&                eventTarget instanceof Object &&                typeof eventTarget.on === "function" &&                typeof eventTarget.off === "function"            );        }
    }
    export interface HasEventTargetAddRemove<E> {        addEventListener(type: string, listener: ((evt: E) => void) | null, options?: boolean | HasEventTargetAddRemove.Options): void;        removeEventListener(type: string, listener?: ((evt: E) => void) | null, options?: HasEventTargetAddRemove.Options | boolean): void;    }
    export namespace HasEventTargetAddRemove {
        export interface Options {            capture?: boolean;            passive?: boolean;            once?: boolean;        }
        export function match<T>(eventTarget: EventTargetLike<T>): eventTarget is HasEventTargetAddRemove<T> {            return (                typeGuard<HasEventTargetAddRemove<T>>(eventTarget, true) &&                eventTarget instanceof Object &&                typeof eventTarget.addEventListener === "function" &&                typeof eventTarget.removeEventListener === "function"            );        }
    }

    /* Return true if o can be a EventTargetLike */    export function canBe(o: any): boolean {
        try{
            return (                HasEventTargetAddRemove.match(o) ||                NodeStyleEventEmitter.match(o) ||                JQueryStyleEventEmitter.match(o) ||                RxJSSubject.match(o)            );
        }catch{
            return false;
        }
    }

}