reject.js

class PromiseCopy{

  static reject( reason ){
    // We return a new Promise and pass the reason to reject method if Promise.reject is called directly.
    if( !( this instanceof PromiseCopy ) ) return new PromiseCopy( ( _ , rej ) => rej( reason ) ) ; 
    
    //return if promise is settled.
    if( this.#state !== states.pending )return ;
      
    this.#state = states.rejected ;
    this.#result = reason ;

    this.#dispatchCallbacks();
    
  }
  
  #dispatchCallbacks(){ /* */ } ;

}