mlogclub
86ff71596d
- Implemented SupportWidgetDemo component for configuring and mounting the support chat widget. - Introduced Zustand store for managing support chat state, including message handling and socket connection. - Created support host bridge for communication between the widget and parent window. - Added utility functions for JWT token generation and local storage management. - Enhanced user experience with notifications for new messages and chat status updates.
467 lines
15 KiB
TypeScript
467 lines
15 KiB
TypeScript
"use client"
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import { SignJWT } from "jose"
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import { CheckIcon, CopyIcon } from "lucide-react"
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import { useEffect, useMemo, useState } from "react"
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import type { CSAgentConfig } from "@/lib/sdk/config-types"
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import { useI18n } from "@/i18n/provider"
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const STORAGE_KEY = "cs-agent-web-widget-test-config"
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const DEFAULT_JWT_TTL_MINUTES = "30"
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const INITIAL_CONFIG: CSAgentConfig = {
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channelId: "",
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baseUrl: "",
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apiBaseUrl: "",
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}
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type AuthMode = "guest" | "jwt"
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type WidgetDemoConfig = CSAgentConfig & {
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authMode?: AuthMode
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jwtSecret?: string
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jwtUserId?: string
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jwtName?: string
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jwtTtlMinutes?: string
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}
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function getDefaultConfig(defaultName: string): WidgetDemoConfig {
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if (typeof window === "undefined") {
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return INITIAL_CONFIG
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}
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const savedText = window.localStorage.getItem(STORAGE_KEY)
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const savedConfig = savedText
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? (JSON.parse(savedText) as Partial<WidgetDemoConfig>)
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: {}
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const query = new URLSearchParams(window.location.search)
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return {
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channelId: query.get("channelId") ?? savedConfig.channelId ?? "",
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baseUrl: "",
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apiBaseUrl: "",
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authMode: (query.get("authMode") as AuthMode | null) ?? savedConfig.authMode ?? "guest",
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jwtSecret: savedConfig.jwtSecret ?? "",
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jwtUserId: query.get("userId") ?? savedConfig.jwtUserId ?? "demo-user-001",
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jwtName: query.get("name") ?? savedConfig.jwtName ?? defaultName,
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jwtTtlMinutes: savedConfig.jwtTtlMinutes ?? DEFAULT_JWT_TTL_MINUTES,
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}
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}
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function removeMountedWidget() {
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if (typeof window === "undefined") {
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return
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}
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window.CSAgentWidget?.destroy()
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document
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.querySelectorAll(
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'[data-cs-agent-widget="launcher"], [data-cs-agent-widget="frame"], [data-cs-agent-widget="script"]'
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)
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.forEach((node) => node.remove())
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delete window.CSAgentConfig
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delete window.__CS_AGENT_WIDGET_CONFIG__
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delete window.__CS_AGENT_WIDGET_STATE__
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delete window.CSAgentWidget
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}
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function injectWidget(config: CSAgentConfig) {
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removeMountedWidget()
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window.CSAgentConfig = config
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const script = document.createElement("script")
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script.async = true
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script.src = `${window.location.origin}/sdk/cs-ai-agent-sdk.min.js`
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script.dataset.csAgentWidget = "script"
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document.body.appendChild(script)
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}
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function buildWidgetConfig(config: WidgetDemoConfig): CSAgentConfig {
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const nextConfig: CSAgentConfig = {
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channelId: config.channelId.trim(),
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baseUrl: "",
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apiBaseUrl: "",
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}
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if (config.authMode === "jwt") {
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nextConfig.getUserToken = undefined
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}
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return nextConfig
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}
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async function signUserToken(config: WidgetDemoConfig, t: (key: string) => string) {
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const userId = (config.jwtUserId || "").trim()
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const name = (config.jwtName || "").trim()
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const secret = (config.jwtSecret || "").trim()
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const ttl = Number(config.jwtTtlMinutes || DEFAULT_JWT_TTL_MINUTES)
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if (!userId) {
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throw new Error(t("widgetDemo.missingUserId"))
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}
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if (!name) {
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throw new Error(t("widgetDemo.missingName"))
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}
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if (!secret) {
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throw new Error(t("widgetDemo.missingSecret"))
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}
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if (!Number.isFinite(ttl) || ttl <= 0) {
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throw new Error(t("widgetDemo.invalidTtl"))
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}
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return new SignJWT({ userId, name })
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.setProtectedHeader({ alg: "HS256", typ: "JWT" })
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.setIssuedAt()
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.setExpirationTime(`${ttl}m`)
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.sign(new TextEncoder().encode(secret))
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}
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export function SupportWidgetDemo() {
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const t = useI18n()
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const [config, setConfig] = useState<WidgetDemoConfig>({
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...INITIAL_CONFIG,
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authMode: "guest",
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jwtSecret: "",
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jwtUserId: "demo-user-001",
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jwtName: t("widgetDemo.defaultName"),
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jwtTtlMinutes: DEFAULT_JWT_TTL_MINUTES,
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})
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const [status, setStatus] = useState(t("widgetDemo.missingChannel"))
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const [origin, setOrigin] = useState("")
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const [generatedToken, setGeneratedToken] = useState("")
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const [latestDirectChatUrl, setLatestDirectChatUrl] = useState("")
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const [copied, setCopied] = useState(false)
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const [snippetCopied, setSnippetCopied] = useState(false)
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async function mountWidget(configToMount: WidgetDemoConfig) {
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const cleanConfig = {
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...configToMount,
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channelId: configToMount.channelId.trim(),
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baseUrl: "",
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apiBaseUrl: "",
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getUserToken: undefined,
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}
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const nextConfig = buildWidgetConfig(cleanConfig)
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if (cleanConfig.authMode === "jwt") {
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nextConfig.getUserToken = () => signUserToken(cleanConfig, t)
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}
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setConfig(cleanConfig)
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setGeneratedToken("")
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setLatestDirectChatUrl("")
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window.localStorage.setItem(STORAGE_KEY, JSON.stringify(cleanConfig))
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if (!nextConfig.channelId) {
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removeMountedWidget()
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setStatus(t("widgetDemo.missingChannel"))
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return
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}
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injectWidget(nextConfig)
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setStatus(
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cleanConfig.authMode === "jwt"
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? t("widgetDemo.mountedJwt")
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: t("widgetDemo.mountedGuest")
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)
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}
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useEffect(() => {
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const timer = window.setTimeout(() => {
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const initialConfig = getDefaultConfig(t("widgetDemo.defaultName"))
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setOrigin(window.location.origin)
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setConfig(initialConfig)
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setStatus(initialConfig.channelId ? t("widgetDemo.mounted") : t("widgetDemo.missingChannel"))
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if (initialConfig.channelId) {
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void mountWidget(initialConfig).catch((error) => {
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removeMountedWidget()
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setGeneratedToken("")
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setStatus(error instanceof Error ? error.message : t("widgetDemo.mountFailed"))
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})
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}
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}, 0)
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return () => {
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window.clearTimeout(timer)
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removeMountedWidget()
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}
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}, [t])
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const snippet = useMemo(() => {
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const scriptSrc = origin
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? `${origin}/sdk/cs-ai-agent-sdk.min.js`
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: "/sdk/cs-ai-agent-sdk.min.js"
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const configLines = [` channelId: "${config.channelId || ""}"`]
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if (config.authMode === "jwt") {
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configLines.push(` async getUserToken() {
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const res = await fetch("/api/support/user-token", { credentials: "include" });
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const data = await res.json();
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return data.userToken;
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}`)
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}
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return `<script>
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window.CSAgentConfig = {
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${configLines.join(",\n")}
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};
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</script>
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<script async src="${scriptSrc}"></script>`
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}, [config.authMode, config.channelId, origin])
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function updateField<K extends keyof WidgetDemoConfig>(
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key: K,
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value: WidgetDemoConfig[K]
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) {
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setConfig((current) => ({ ...current, [key]: value }))
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}
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async function handleMount() {
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try {
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await mountWidget(config)
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} catch (error) {
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removeMountedWidget()
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setGeneratedToken("")
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setStatus(error instanceof Error ? error.message : t("widgetDemo.mountFailed"))
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}
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}
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async function handleCopyDirectUrl() {
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if (!window.CSAgentWidget || typeof navigator === "undefined") {
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return
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}
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try {
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const url = await window.CSAgentWidget.getChatUrl()
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setLatestDirectChatUrl(url)
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if (config.authMode === "jwt") {
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setGeneratedToken(new URL(url).searchParams.get("userToken") || "")
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}
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await navigator.clipboard.writeText(url)
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setCopied(true)
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window.setTimeout(() => setCopied(false), 1600)
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} catch (error) {
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setStatus(error instanceof Error ? error.message : t("widgetDemo.linkFailed"))
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}
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}
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async function handleOpenDirectChat() {
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if (!window.CSAgentWidget) {
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return
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}
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try {
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const url = await window.CSAgentWidget.getChatUrl()
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setLatestDirectChatUrl(url)
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if (config.authMode === "jwt") {
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setGeneratedToken(new URL(url).searchParams.get("userToken") || "")
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}
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window.open(url, "_blank", "noopener,noreferrer")
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} catch (error) {
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setStatus(error instanceof Error ? error.message : t("widgetDemo.linkFailed"))
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}
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}
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async function handleCopySnippet() {
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if (typeof navigator === "undefined") {
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return
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}
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await navigator.clipboard.writeText(snippet)
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setSnippetCopied(true)
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window.setTimeout(() => setSnippetCopied(false), 1600)
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}
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return (
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<main className="min-h-svh bg-slate-50 px-6 py-8 text-slate-950">
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<div className="mx-auto grid max-w-6xl gap-6 lg:grid-cols-[360px_minmax(0,1fr)]">
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<section className="rounded-lg border border-slate-200 bg-white p-5 shadow-sm">
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<div className="text-base font-semibold">{t("widgetDemo.title")}</div>
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<div className="mt-1 text-sm text-slate-500">{status}</div>
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<div className="mt-5 grid gap-3">
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<TextField
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label="channelId"
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value={config.channelId}
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onChange={(value) => updateField("channelId", value)}
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/>
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<SegmentedControl
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label={t("widgetDemo.authMode")}
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value={config.authMode || "guest"}
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onChange={(value) => updateField("authMode", value)}
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options={[
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{ label: t("widgetDemo.guest"), value: "guest" },
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{ label: t("widgetDemo.jwtUser"), value: "jwt" },
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]}
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/>
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{config.authMode === "jwt" ? (
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<div className="grid gap-3 rounded-md border border-slate-200 p-3">
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<TextField
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label="userId"
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value={config.jwtUserId}
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onChange={(value) => updateField("jwtUserId", value)}
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/>
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<TextField
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label="name"
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value={config.jwtName}
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onChange={(value) => updateField("jwtName", value)}
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/>
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<TextField
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label="JWT Secret"
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value={config.jwtSecret}
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onChange={(value) => updateField("jwtSecret", value)}
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type="password"
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/>
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<TextField
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label={t("widgetDemo.ttlMinutes")}
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value={config.jwtTtlMinutes}
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onChange={(value) => updateField("jwtTtlMinutes", value)}
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type="number"
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/>
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</div>
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) : null}
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</div>
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<div className="mt-5 flex gap-2">
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<button
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type="button"
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onClick={() => void handleMount()}
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className="rounded-md bg-slate-950 px-4 py-2 text-sm font-medium text-white"
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>
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{t("widgetDemo.mount")}
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</button>
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<button
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type="button"
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onClick={() => {
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removeMountedWidget()
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setStatus(t("widgetDemo.unmounted"))
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}}
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className="rounded-md border border-slate-200 bg-white px-4 py-2 text-sm font-medium"
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>
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{t("widgetDemo.unmount")}
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</button>
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</div>
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</section>
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<section className="rounded-lg border border-slate-200 bg-white p-5 shadow-sm">
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<div className="text-base font-semibold">{t("widgetDemo.snippetTitle")}</div>
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{config.authMode === "jwt" ? (
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<div className="mt-2 rounded-md bg-amber-50 px-3 py-2 text-sm text-amber-800">
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{t("widgetDemo.jwtNotice")}
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</div>
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) : null}
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<div className="relative mt-4">
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<button
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type="button"
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onClick={() => void handleCopySnippet()}
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className="absolute right-2 top-2 inline-flex size-8 items-center justify-center rounded-md border border-white/10 bg-white/10 text-slate-200 transition hover:bg-white/20 hover:text-white"
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aria-label={snippetCopied ? t("widgetDemo.copiedSnippet") : t("widgetDemo.copySnippet")}
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title={snippetCopied ? t("widgetDemo.copied") : t("widgetDemo.copyCode")}
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>
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{snippetCopied ? (
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<CheckIcon className="size-4" />
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) : (
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<CopyIcon className="size-4" />
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)}
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</button>
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<pre className="overflow-x-auto rounded-md bg-slate-950 p-4 pr-12 text-xs leading-5 text-slate-100">
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<code>{snippet}</code>
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</pre>
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</div>
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<div className="mt-5">
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<div className="text-sm font-medium text-slate-700">{t("widgetDemo.directChat")}</div>
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<div className="mt-2 flex flex-col gap-2 sm:flex-row">
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<input
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readOnly
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value={latestDirectChatUrl || t("widgetDemo.directChatPlaceholder")}
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className="h-9 min-w-0 flex-1 rounded-md border border-slate-200 px-3 font-mono text-xs outline-none"
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/>
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<div className="flex gap-2">
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<button
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type="button"
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disabled={!config.channelId}
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onClick={() => void handleCopyDirectUrl()}
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className="rounded-md border border-slate-200 bg-white px-3 py-2 text-sm font-medium disabled:cursor-not-allowed disabled:opacity-50"
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>
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{copied ? t("widgetDemo.copied") : t("widgetDemo.copy")}
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</button>
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<button
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type="button"
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disabled={!config.channelId}
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onClick={() => void handleOpenDirectChat()}
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className="rounded-md bg-slate-950 px-3 py-2 text-sm font-medium text-white disabled:cursor-not-allowed disabled:opacity-50"
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>
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{t("widgetDemo.openNewWindow")}
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</button>
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</div>
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</div>
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</div>
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{generatedToken ? (
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<div className="mt-4">
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<div className="text-sm font-medium text-slate-700">{t("widgetDemo.currentToken")}</div>
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<textarea
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readOnly
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value={generatedToken}
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className="mt-2 h-28 w-full resize-none rounded-md border border-slate-200 p-3 font-mono text-xs outline-none"
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/>
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</div>
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) : null}
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</section>
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</div>
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</main>
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)
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}
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function TextField({
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label,
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value,
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onChange,
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type = "text",
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}: {
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label: string
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value?: string
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onChange: (value: string) => void
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type?: string
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}) {
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return (
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<label className="grid gap-1.5 text-sm">
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<span className="font-medium text-slate-700">{label}</span>
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<input
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type={type}
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value={value || ""}
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onChange={(event) => onChange(event.target.value)}
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className="h-9 rounded-md border border-slate-200 px-3 text-sm outline-none focus:border-slate-400"
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/>
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</label>
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)
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}
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function SegmentedControl<T extends string>({
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label,
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value,
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options,
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onChange,
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}: {
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label: string
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value: T
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options: Array<{ label: string; value: T }>
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onChange: (value: T) => void
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}) {
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return (
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<div className="grid gap-1.5 text-sm">
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<div className="font-medium text-slate-700">{label}</div>
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<div className="grid grid-cols-2 rounded-md border border-slate-200 bg-slate-100 p-1">
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{options.map((option) => (
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<button
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key={option.value}
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type="button"
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onClick={() => onChange(option.value)}
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className={
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option.value === value
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? "rounded bg-white px-3 py-1.5 text-sm font-medium shadow-sm"
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: "rounded px-3 py-1.5 text-sm text-slate-600"
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}
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>
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{option.label}
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</button>
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))}
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</div>
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</div>
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)
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}
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