whatsapp-web.js 1.7.0 » Class: Client

Methods

Events

auth_failure
authenticated
change_battery
change_state
disconnected
group_join

group_leave
group_update
media_uploaded
message
message_ack
message_create

message_revoke_everyone
message_revoke_me
qr
ready

new Client()

Extends: EventEmitter
Fires: Client#event:qr; Client#event:authenticated; Client#event:auth_failure; Client#event:ready; Client#event:message; Client#event:message_ack; Client#event:message_create; Client#event:message_revoke_me; Client#event:message_revoke_everyone; Client#event:media_uploaded; Client#event:group_join; Client#event:group_leave; Client#event:group_update; Client#event:disconnected; Client#event:change_state; Client#event:change_battery

Methods

async

acceptInvite(inviteCode)

Accepts an invitation to join a group

Parameter

Name	Type	Optional	Description
inviteCode	string		Invitation code

async

archiveChat() → boolean

Enables and returns the archive state of the Chat

Returns: boolean

async

createGroup(name, participants) → (Object, string, or Object with string properties)

Create a new group

Parameters

Name	Type	Optional	Description
name	string		group title
participants	Array of (Contact or string)		an array of Contacts or contact IDs to add to the group

Returns

Object

createRes

string

createRes.gid - ID for the group that was just created

Object with string properties

createRes.missingParticipants - participants that were not added to the group. Keys represent the ID for participant that was not added and its value is a status code that represents the reason why participant could not be added. This is usually 403 if the user's privacy settings don't allow you to add them to groups.

async

destroy()

Closes the client

async

getChatById(chatId) → Promise containing Chat

Get chat instance by ID

Parameter

Name	Type	Optional	Description
chatId	string

Returns: Promise containing Chat

async

getChats() → Promise containing Array of Chat

Get all current chat instances

Returns: Promise containing Array of Chat

async

getContactById(contactId) → Promise containing Contact

Get contact instance by ID

Parameter

Name	Type	Optional	Description
contactId	string

Returns: Promise containing Contact

async

getContacts() → Promise containing Array of Contact

Get all current contact instances

Returns: Promise containing Array of Contact

async

getInviteInfo(inviteCode) → Promise containing object

Returns an object with information about the invite code's group

Parameter

Name	Type	Optional	Description
inviteCode	string

Returns

Promise containing object

Invite information

async

getProfilePicUrl(contactId) → Promise containing string

Returns the contact ID's profile picture URL, if privacy settings allow it

Parameter

Name	Type	Optional	Description
contactId	string		the whatsapp user's ID

Returns: Promise containing string

async

getState() → WAState

Gets the current connection state for the client

Returns: WAState

async

getWWebVersion()

Returns the version of WhatsApp Web currently being run

Returns: Promise

async

initialize()

Sets up events and requirements, kicks off authentication request

async

isRegisteredUser() → Promise containing Boolean

Check if a given ID is registered in whatsapp

Returns: Promise containing Boolean

async

logout()

Logs out the client, closing the current session

async

muteChat(chatId, unmuteDate)

Mutes the Chat until a specified date

Parameters

Name	Type	Optional	Description
chatId	string		ID of the chat that will be muted
unmuteDate	Date		Date when the chat will be unmuted

async

resetState()

Force reset of connection state for the client

async

sendMessage(chatId, content, options) → Promise containing Message

Send a message to a specific chatId

Parameters

Name	Type	Optional	Description
chatId	string
content	(string, MessageMedia, or Location)
options	object

Returns

Promise containing Message

Message that was just sent

async

sendPresenceAvailable()

Marks the client as online

async

sendSeen(chatId) → Promise containing boolean

Mark as seen for the Chat

Parameter

Name	Type	Optional	Description
chatId	string

Returns

Promise containing boolean

result

async

setStatus(status)

Sets the current user's status message

Parameter

Name	Type	Optional	Description
status	string		New status message

async

unarchiveChat() → boolean

Changes and returns the archive state of the Chat

Returns: boolean

async

unmuteChat(chatId)

Unmutes the Chat

Parameter

Name	Type	Optional	Description
chatId	string		ID of the chat that will be unmuted

Events

auth_failure

Emitted when there has been an error while trying to restore an existing session

Parameter

Name	Type	Optional	Description
message	string

authenticated

Emitted when authentication is successful

Parameter

Name	Type	Optional	Description
session	object		Object containing session information. Can be used to restore the session.

change_battery

Emitted when the battery percentage for the attached device changes

Parameters

Name Type Optional Description

batteryInfo

object

Values in batteryInfo have the following properties:

Name	Type	Optional	Description
battery	number		The current battery percentage
plugged	boolean		Indicates if the phone is plugged in (true) or not (false)

change_state

Emitted when the connection state changes

Parameter

Name	Type	Optional	Description
state	WAState		the new connection state

disconnected

Emitted when the client has been disconnected

Parameter

Name	Type	Optional	Description
reason	WAState		state that caused the disconnect

group_join

Emitted when a user joins the chat via invite link or is added by an admin.

Parameter

Name	Type	Optional	Description
notification	GroupNotification		GroupNotification with more information about the action

group_leave

Emitted when a user leaves the chat or is removed by an admin.

Parameter

Name	Type	Optional	Description
notification	GroupNotification		GroupNotification with more information about the action

group_update

Emitted when group settings are updated, such as subject, description or picture.

Parameter

Name	Type	Optional	Description
notification	GroupNotification		GroupNotification with more information about the action

media_uploaded

Emitted when media has been uploaded for a message sent by the client.

Parameter

Name	Type	Optional	Description
message	Message		The message with media that was uploaded

message

Emitted when a new message is received.

Parameter

Name	Type	Optional	Description
message	Message		The message that was received

message_ack

Emitted when an ack event occurrs on message type.

Parameters

Name	Type	Optional	Description
message	Message		The message that was affected
ack	MessageAck		The new ACK value

message_create

Emitted when a new message is created, which may include the current user's own messages.

Parameter

Name	Type	Optional	Description
message	Message		The message that was created

message_revoke_everyone

Emitted when a message is deleted for everyone in the chat.

Parameters

Name	Type	Optional	Description
message	Message		The message that was revoked, in its current state. It will not contain the original message's data.
revoked_msg	Message		The message that was revoked, before it was revoked. It will contain the message's original data. Note that due to the way this data is captured, it may be possible that this param will be undefined. Value can be null.

Name

Type

Optional

Description

message

Message

The message that was revoked, in its current state. It will not contain the original message's data.

revoked_msg

Message

The message that was revoked, before it was revoked. It will contain the message's original data. Note that due to the way this data is captured, it may be possible that this param will be undefined.

Value can be null.

message_revoke_me

Emitted when a message is deleted by the current user.

Parameter

Name	Type	Optional	Description
message	Message		The message that was revoked

qr

Emitted when the QR code is received

Parameter

Name	Type	Optional	Description
qr	string		QR Code

ready

Emitted when the client has initialized and is ready to receive messages.