Class WebsocketProvider

Websocket Provider for Yjs. Creates a websocket connection to sync the shared document. The document name is attached to the provided url. I.e. the following example creates a websocket connection to http://localhost:1234/my-document-name

Example

import * as Y from 'yjs'
  import { WebsocketProvider } from 'y-websocket'
  const doc = new Y.Doc()
  const provider = new WebsocketProvider('http://localhost:1234', 'my-document-name', doc)

Hierarchy

  • Observable<string>
    • WebsocketProvider

Constructors

constructor

Properties

_WS _awarenessUpdateHandler _bcSubscriber _checkInterval _observers _resyncInterval _synced _unloadHandler _updateHandler awareness bcChannel bcconnected disableBc doc maxBackoffTime messageHandlers roomname shouldConnect url ws wsLastMessageReceived wsUnsuccessfulReconnects wsconnected wsconnecting

Accessors

synced

Methods

connect connectBc destroy disconnect disconnectBc emit off on once

Constructors

constructor

  • Parameters

    • serverUrl: string

      server url

    • roomname: string

      room name

    • doc: Doc

      Y.Doc instance

    • opts: WebsocketProviderParams = {}

      options

    Returns WebsocketProvider

Properties

_WS

_WS: WebSocketPolyfillType

_awarenessUpdateHandler

_awarenessUpdateHandler: Function

_bcSubscriber

_bcSubscriber: Function

_checkInterval

_checkInterval: number | Timer

_observers

_observers: Map<string, any>

Some desc.

_resyncInterval

_resyncInterval: number | Timer

_synced

_synced: boolean

_unloadHandler

_unloadHandler: Function

_updateHandler

_updateHandler: Function

awareness

awareness: Awareness

bcChannel

bcChannel: string

bcconnected

bcconnected: boolean

disableBc

disableBc: boolean

doc

doc: Doc

maxBackoffTime

maxBackoffTime: number

messageHandlers

messageHandlers: HandlerFunction[]

roomname

roomname: string

shouldConnect

shouldConnect: boolean

url

url: string

ws

ws: null | WebSocket

wsLastMessageReceived

wsLastMessageReceived: number

wsUnsuccessfulReconnects

wsUnsuccessfulReconnects: number

wsconnected

wsconnected: boolean

wsconnecting

wsconnecting: boolean

Accessors

synced

  • get synced(): boolean

  • Returns boolean

  • set synced(state): void

  • Parameters

    • state: boolean

    Returns void

Methods

connect

  • Returns void

connectBc

  • Returns void

destroy

  • Returns void

disconnect

  • Returns void

disconnectBc

  • Returns void

emit

  • Emit a named event. All registered event listeners that listen to the specified name will receive the event.

    Parameters

    • name: string

      The event name.

    • args: any[]

      The arguments that are applied to the event listener.

    Returns void

    Todo

    This should catch exceptions

off

  • Parameters

    • name: string
    • f: Function

    Returns void

on

  • Parameters

    • name: string
    • f: Function

    Returns void

once

  • Parameters

    • name: string
    • f: Function

    Returns void

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