Twitch

Types

TwitchUser

Type Represents a user on Twitch

Property	Type	Description
id	string	ID of the user
name	string	Name of the user (Username)
displayName	string	Display name of the user
profileImageUrl	string	URL of the user profile image

TwitchFollower

Type Represents a user following a channel on Twitch

Property	Type	Description
id	string	ID of the user
name	string	Name of the user (Username)
displayName	string	Display name of the user
followedAt	Date	Date that the user started following

Functions

sendChat

Function (message: string) => Promise<void>

Sends a chat message to twitch chat

Argument	Type	Example	Description
message	string	”Example message”	The message to send to twitch chat

const message = "This message will be sent to twitch chat";

// Use "await" to wait for the message to send before continuing
await api.twitch.sendChat(message);

sendChatAnnouncement

Function (message: string) => Promise<void>

Sends a chat message to twitch chat

Argument	Type	Example	Description
message	string	”Example message”	The message to send to twitch chat
color Optional	string	”blue”, “green”, “orange”, “purple”, “primary”	Color of the announcement message

const message = "This message will be sent to twitch chat as an announcement";

// Use "await" to wait for the message to send before continuing
await api.twitch.sendChatAnnouncement(message, "primary");

getUserByUsername

Function (username: string) => Promise<TwitchUser | null>

Attempts to lookup a twitch user by username returns a TwitchUser if one is found otherwise returns null

Argument	Type	Example	Description
username	string	”twitch”	The username of the user to lookup

const username = "twitch";
const user = await api.twitch.getUserByUsername(username);

if (user === null) {
  await api.twitch.sendChat("User not found");
  return;
}

console.log(user);

shoutout

Function (shoutout: string) => Promise<void>

Triggers a twitch shoutout for the provided user

Argument	Type	Example	Description
userId	string		The ID of the user to shoutout

const userId = "/* some ID */";

// Use "await" to wait for the shoutout to complete
await api.twitch.shoutout(userId);

Tip

If you only have the username of the user you want to shoutout you can use getUserByUsername to find the user ID

const username = "twitch";
const user = await api.twitch.getUserByUsername(username);

if (user === null) {
  await api.twitch.sendChat("User not found");
  return;
}

await api.twitch.shoutout(user.id);

isModerator

Function (userId: string) => Promise<boolean>

Checks if the user with the provided ID is a moderator

Argument	Type	Example	Description
userId	string		The ID of the user to check moderator status of

const userId = "/* some ID */";
const isModerator = await api.twitch.isModerator(userId);

if (isModerator) {
  return "That user is a moderator";
} else {
  return "That user is not a moderator";
}

isVip

Function (userId: string) => Promise<boolean>

Checks if the user with the provided ID is a vip

Argument	Type	Example	Description
userId	string		The ID of the user to check vip status of

const userId = "/* some ID */";
const isVip = await api.twitch.isVip(userId);

if (isVip) {
  return "That user is a vip";
} else {
  return "That user is not a vip";
}

isFollower

Function (userId: string) => Promise<boolean>

Checks if the user with the provided ID is a follower

Argument	Type	Example	Description
userId	string		The ID of the user to check following status of

const userId = "/* some ID */";
const isFollower = await api.twitch.isFollower(userId);

if (isFollower) {
  return "That user is a vip";
} else {
  return "That user is not a vip";
}

getFollower

Function (userId: string) => Promise<TwitchFollower | null>

Get a follower of the channel by user ID will return a TwitchFollower if the user is following otherwise will return null

Argument	Type	Example	Description
username	string	”twitch”	The username of the user to lookup

const userId = "/* some ID */";
const follower = await api.twitch.getFollower(userId);

if (follower === null) {
  await api.twitch.sendChat("User is not following");
  return;
}

console.log(follower);

getUsernameArg

Function

(rawArg: unknown, validate: boolean = false) => string | null

Attempts to extract a username from the provided argument.

Normalizes the username into a format without @ and without any leading or trailing whitespace, optionally validating that the username is a valid twitch username.

Argument	Type	Example	Description
username	string	”twitch”	The username to parse
validate Optional	boolean	true / false	When enabled the username will be checked ensuring its a valid username

const usernameArg = "@TestUser    ";
const username = api.twitch.getUsernameArg(usernameArg);

console.log(username); // "TestUser"

Invalid username (With validate set to true, unknown symbols will cause null):

const usernameArg = "@&$__";
const username = api.twitch.getUsernameArg(usernameArg);

console.log(username); // null

isValidUsernameStrict

Function (username: string) => boolean

Validates that the provided username is a valid twitch username. Ensuring that the characters within the username are allowed and that the username is within the expected length requirements

Argument	Type	Example	Description
username	string	”twitch”	The username to validate

Valid username:

const usernameArg = "TestUser";
const username = api.twitch.isValidUsernameStrict(usernameArg);

console.log(username); // true

Invalid username:

const usernameArg = "&$__";
const username = api.twitch.isValidUsernameStrict(usernameArg);

console.log(username); // false

deleteChatMessage

Function (messageId: string) => Promise<void>

Deletes a chat message by ID

Argument	Type	Example	Description
messageId	string		The ID of the chat message to delete

const messageId = "/* some ID */";

// "await" to wait until the message is deleted
await api.twitch.deleteChatMessage(messageId);

deleteAllChatMessages

Function () => Promise<void>

Deletes all messages in the chat (Same as the /clear chat command)

// "await" to wait until the chat is cleared
await api.twitch.deleteAllChatMessages();

createStreamMarker

Function (description?: string) => Promise<void>

Create a new stream marker

Argument	Type	Example	Description
description Optional	string	”Something happened”	Optional description for the marker

// "await" to wait until the marker is created
await api.twitch.createStreamMarker("Something happened");