mlogclub
86 lines
2.3 KiB
TypeScript
86 lines
2.3 KiB
TypeScript
import {
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setKefuWidgetConfig,
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type KefuWidgetHostConfig,
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} from "@/lib/kefu-widget-config"
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type HostBridgeOptions = {
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onOpen?: () => void
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onMinimize?: () => void
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onMaximizedChange?: (isMaximized: boolean) => void
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}
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const INIT_MESSAGE_TYPE = "cs-agent:init"
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const OPEN_MESSAGE_TYPE = "cs-agent:open"
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const MINIMIZE_MESSAGE_TYPE = "cs-agent:minimize"
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const MAXIMIZED_MESSAGE_TYPE = "cs-agent:maximized"
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const READY_MESSAGE_TYPE = "cs-agent:ready"
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const REQUEST_MINIMIZE_MESSAGE_TYPE = "cs-agent:request-minimize"
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const REQUEST_CLOSE_MESSAGE_TYPE = "cs-agent:request-close"
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const REQUEST_TOGGLE_MAXIMIZE_MESSAGE_TYPE = "cs-agent:request-toggle-maximize"
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export function bindKefuHostBridge(options: HostBridgeOptions = {}) {
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if (typeof window === "undefined") {
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return () => undefined
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}
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if (window.parent && window.parent !== window) {
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window.parent.postMessage({ type: READY_MESSAGE_TYPE }, "*")
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}
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const handleMessage = (event: MessageEvent) => {
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const data = event.data as
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| {
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type?: string
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payload?: KefuWidgetHostConfig | { isMaximized?: boolean }
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}
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| undefined
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if (!data?.type) {
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return
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}
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if (data.type === INIT_MESSAGE_TYPE && data.payload) {
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setKefuWidgetConfig(data.payload as KefuWidgetHostConfig)
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return
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}
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if (data.type === OPEN_MESSAGE_TYPE) {
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options.onOpen?.()
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return
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}
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if (data.type === MINIMIZE_MESSAGE_TYPE) {
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options.onMinimize?.()
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return
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}
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if (data.type === MAXIMIZED_MESSAGE_TYPE) {
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const payload = data.payload as { isMaximized?: boolean } | undefined
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options.onMaximizedChange?.(Boolean(payload?.isMaximized))
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}
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}
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window.addEventListener("message", handleMessage)
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return () => window.removeEventListener("message", handleMessage)
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}
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function postToParent(type: string) {
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if (typeof window === "undefined") {
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return
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}
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if (window.parent && window.parent !== window) {
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window.parent.postMessage({ type }, "*")
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}
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}
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export function requestKefuHostMinimize() {
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postToParent(REQUEST_MINIMIZE_MESSAGE_TYPE)
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}
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export function requestKefuHostClose() {
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postToParent(REQUEST_CLOSE_MESSAGE_TYPE)
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}
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export function requestKefuHostToggleMaximize() {
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postToParent(REQUEST_TOGGLE_MAXIMIZE_MESSAGE_TYPE)
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}
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