Function peerFilter

peerFilter(size: number, errorRate?: number): PeerFilter
Create and return a PeerFilter. This can be used by topologies to prevent them receiving duplicate notifications for a peer that connects repeatedly.
Parameters
- size: number
  The maximum number of peers expected to be added to the filter
- errorRate: number = 0.001
  The acceptable error rate
Returns PeerFilter
Example
```
import { peerFilter } from '@libp2p/peer-collections'
import type { Registrar } from '@libp2p/interface-internal'

const registrar: Registrar

registrar.register('/my/protocol/1.0.0', {
  filter: peerFilter(),
  onConnect: (peerId) => {
    // will only be invoked for a given peerId once
  }
})
```
- Defined in filter.ts:52