62 lines
1.6 KiB
TypeScript

import { UserSettings } from 'models/settings'
import { QueryParamKeys } from 'models/shell'
export enum PostMessageEventName {
CONFIG = 'config',
CONFIG_REQUESTED = 'configRequested',
}
export enum ChatEmbedAttributes {
COLOR_MODE = 'color-mode',
PLAY_MESSAGE_SOUND = 'play-message-sound',
ROOM_NAME = 'room',
ROOT_URL = 'root-url',
USER_ID = 'user-id',
USER_NAME = 'user-name',
}
export interface PostMessageEvent extends MessageEvent {
data: {
name: PostMessageEventName
payload: Record<string, any>
}
}
export interface ConfigMessageEvent extends PostMessageEvent {
data: {
name: PostMessageEventName.CONFIG
payload: Partial<UserSettings>
}
}
export const isPostMessageEvent = (
event: MessageEvent
): event is PostMessageEvent => {
const { data } = event
if (typeof data !== 'object' || data === null) return false
if (!('name' in data && typeof data.name === 'string')) return false
if (!('payload' in data && typeof data.payload === 'object')) return false
return true
}
export const isConfigMessageEvent = (
event: MessageEvent
): event is ConfigMessageEvent => {
const queryParams = new URLSearchParams(window.location.search)
const parentDomain = queryParams.get(QueryParamKeys.PARENT_DOMAIN)
if (parentDomain === null) return false
const { origin: parentFrameOrigin } = new URL(
decodeURIComponent(parentDomain)
)
if (event.origin !== parentFrameOrigin) return false
if (!isPostMessageEvent(event)) return false
if (event.data.name !== PostMessageEventName.CONFIG) return false
return true
}