import { TimerManager } from '@sapphire/time-utilities' ; import { RateLimit } from './RateLimit' ; export class RateLimitManager < K = string > extends Map < K , RateLimit < K > > { /**
     * The amount of milliseconds for the  RateLimit from this manager to expire.
      public readonly time : number ; /**
     * The amount of times a  RateLimit can drip before it's limited.
      public readonly limit : number ; /**
     * The interval to sweep expired  RateLimit .
      private sweepInterval ! : NodeJS . Timer | null ; param time param limit The amount of times a  RateLimit can drip before it's limited.
      public constructor ( time , limit = 1 ) { super ( ) ; this . time = time ; this . limit = limit ; } /**
     * Gets a  RateLimit from this manager or creates it if it does not exist.
     *  param id The id for the  RateLimit public acquire ( id ) { return this . get ( id ) ?? this . create ( id ) ; } /**
     * Creates a  RateLimit for this manager.
     *  param id The id the  RateLimit belongs to
      public create ( id ) { const value = new RateLimit ( this ) ; this . set ( id , value ) ; return value ; } /**
     * Wraps Collection's set method to set interval to sweep inactive  RateLimit s.
     *  param id The id the  RateLimit belongs to
     *  param value The  RateLimit to set
      public set ( id , value ) { this . sweepInterval ??= TimerManager . setInterval ( this . sweep . bind ( this ) , RateLimitManager . sweepIntervalDuration ) ; return super . set ( id , value ) ; } /**
     * Wraps Collection's sweep method to clear the interval when this manager is empty.
     */ public sweep ( ) { for ( const [ id , value ] of this . entries ( ) ) { if ( value . expired ) this . delete ( id ) ; } if ( this . size === 0 ) { TimerManager . clearInterval ( this . sweepInterval ! ) ; this . sweepInterval = null ; } } /**
     * The delay in milliseconds for  RateLimitManager . sweepInterval .
      public static sweepIntervalDuration = 30000 ; }