406 lines
17 KiB
JavaScript
406 lines
17 KiB
JavaScript
import { useEffect, useMemo, useState } from "react";
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import { AnimatePresence, motion } from "framer-motion";
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import {
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AlertTriangle,
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Check,
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Database,
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FileJson,
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Globe2,
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Loader2,
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Plus,
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RefreshCcw,
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Route,
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Server,
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ShieldCheck,
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Zap,
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} from "lucide-react";
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const API_BASE = import.meta.env.VITE_API_BASE_URL || "http://localhost:4000/api";
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const emptyServer = { name: "", ipAddress: "", description: "" };
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const emptyService = {
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serverId: "",
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name: "",
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port: "",
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endpoint: "",
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method: "POST",
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requestTemplate: "{}",
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notes: "",
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};
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const sampleJson = JSON.stringify(
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{
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servers: [
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{
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name: "Billing Server",
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ipAddress: "192.168.1.50",
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services: [
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{
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name: "Invoice API",
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port: 8080,
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endpoint: "/api/invoices/sync",
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method: "POST",
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requestTemplate: { limit: 10 },
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},
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],
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},
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],
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},
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null,
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2,
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);
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async function api(path, options = {}) {
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const response = await fetch(`${API_BASE}${path}`, {
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headers: { "content-type": "application/json", ...(options.headers || {}) },
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...options,
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});
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const data = await response.json().catch(() => null);
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if (!response.ok) {
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const error = new Error(data?.message || "Request failed.");
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error.data = data;
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throw error;
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}
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return data;
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}
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function parseJsonField(value) {
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const trimmed = value.trim();
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if (!trimmed) return null;
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return JSON.parse(trimmed);
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}
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function Stat({ icon: Icon, label, value }) {
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return (
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<div className="flex items-center gap-3 border border-slate-200 bg-white px-4 py-3">
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<span className="flex h-10 w-10 items-center justify-center bg-slate-100 text-slate-700">
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<Icon size={20} />
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</span>
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<div>
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<p className="text-xs font-medium uppercase tracking-wide text-slate-500">{label}</p>
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<p className="text-xl font-semibold text-slate-950">{value}</p>
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</div>
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</div>
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);
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}
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function Field({ label, children }) {
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return (
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<label className="grid gap-1.5 text-sm font-medium text-slate-700">
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<span>{label}</span>
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{children}
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</label>
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);
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}
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function App() {
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const [servers, setServers] = useState([]);
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const [serverForm, setServerForm] = useState(emptyServer);
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const [serviceForm, setServiceForm] = useState(emptyService);
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const [jsonInput, setJsonInput] = useState(sampleJson);
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const [preview, setPreview] = useState(null);
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const [message, setMessage] = useState("");
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const [error, setError] = useState("");
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const [loading, setLoading] = useState(false);
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const [proxyResult, setProxyResult] = useState(null);
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const totals = useMemo(() => {
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const services = servers.reduce((sum, server) => sum + server.services.length, 0);
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const ports = new Set(servers.flatMap((server) => server.services.map((service) => service.port)));
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return { servers: servers.length, services, ports: ports.size };
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}, [servers]);
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async function loadServers() {
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setLoading(true);
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setError("");
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try {
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const data = await api("/servers");
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setServers(data);
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if (data[0] && !serviceForm.serverId) {
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setServiceForm((current) => ({ ...current, serverId: data[0].id }));
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}
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} catch (err) {
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setError(err.message);
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} finally {
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setLoading(false);
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}
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}
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useEffect(() => {
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loadServers();
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}, []);
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async function createServer(event) {
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event.preventDefault();
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setError("");
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setMessage("");
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try {
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await api("/servers", { method: "POST", body: JSON.stringify(serverForm) });
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setServerForm(emptyServer);
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setMessage("Server added.");
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await loadServers();
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} catch (err) {
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setError(err.message);
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}
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}
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async function createService(event) {
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event.preventDefault();
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setError("");
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setMessage("");
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try {
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await api("/services", {
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method: "POST",
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body: JSON.stringify({
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...serviceForm,
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requestTemplate: parseJsonField(serviceForm.requestTemplate),
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}),
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});
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setServiceForm((current) => ({
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...emptyService,
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serverId: current.serverId,
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method: "POST",
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requestTemplate: "{}",
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}));
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setMessage("Service added.");
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await loadServers();
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} catch (err) {
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setError(err.message);
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}
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}
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async function previewImport() {
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setError("");
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setMessage("");
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try {
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const payload = JSON.parse(jsonInput);
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const data = await api("/imports/preview", { method: "POST", body: JSON.stringify(payload) });
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setPreview(data);
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setMessage(
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data.conflicts.length
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? "Conflicts found. Review and confirm before overwrite."
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: "Import is ready. Exact duplicates will be skipped.",
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);
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} catch (err) {
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setError(err.message);
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}
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}
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async function applyImport(mode = "skip") {
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setError("");
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setMessage("");
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try {
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const payload = JSON.parse(jsonInput);
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const data = await api("/imports/apply", {
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method: "POST",
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body: JSON.stringify({ payload, mode }),
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});
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setPreview(null);
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setMessage(
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`Import applied: ${data.applied.serversCreated} servers and ${data.applied.servicesCreated} services created.`,
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);
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await loadServers();
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} catch (err) {
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setError(err.message);
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if (err.data) setPreview(err.data);
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}
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}
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async function reverseProxy(serviceId, body) {
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setError("");
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setProxyResult(null);
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try {
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const data = await api(`/services/${serviceId}/reverse-proxy`, {
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method: "POST",
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body: JSON.stringify({ body }),
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});
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setProxyResult(data);
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} catch (err) {
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setError(err.message);
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}
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}
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return (
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<div className="min-h-screen bg-[#f5f7fb]">
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<header className="border-b border-slate-200 bg-white">
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<div className="mx-auto flex max-w-7xl flex-col gap-6 px-4 py-6 sm:px-6 lg:px-8">
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<div className="flex flex-col justify-between gap-4 lg:flex-row lg:items-center">
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<div className="flex items-center gap-3">
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<span className="flex h-11 w-11 items-center justify-center bg-slate-950 text-white">
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<Route size={22} />
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</span>
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<div>
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<p className="text-sm font-semibold uppercase tracking-wide text-cyan-700">MTC Server Reverse Proxy</p>
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<h1 className="text-2xl font-semibold text-slate-950 sm:text-3xl">Reverse Proxy Manager</h1>
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</div>
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</div>
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<button
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className="inline-flex items-center justify-center gap-2 bg-slate-950 px-4 py-2.5 text-sm font-semibold text-white transition hover:bg-cyan-700"
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onClick={loadServers}
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type="button"
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>
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{loading ? <Loader2 className="animate-spin" size={18} /> : <RefreshCcw size={18} />}
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Refresh
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</button>
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</div>
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<div className="grid gap-3 md:grid-cols-3">
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<Stat icon={Server} label="Servers" value={totals.servers} />
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<Stat icon={Globe2} label="Services" value={totals.services} />
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<Stat icon={Database} label="Ports" value={totals.ports} />
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</div>
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</div>
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</header>
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<main className="mx-auto grid max-w-7xl gap-6 px-4 py-6 sm:px-6 lg:grid-cols-[380px_1fr] lg:px-8">
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<aside className="grid content-start gap-6">
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<section className="border border-slate-200 bg-white p-4">
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<h2 className="mb-4 flex items-center gap-2 text-base font-semibold text-slate-950">
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<Plus size={18} /> Add Server
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</h2>
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<form className="grid gap-3" onSubmit={createServer}>
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<Field label="Server name">
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<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serverForm.name} onChange={(event) => setServerForm({ ...serverForm, name: event.target.value })} />
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</Field>
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<Field label="IP address">
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<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serverForm.ipAddress} onChange={(event) => setServerForm({ ...serverForm, ipAddress: event.target.value })} />
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</Field>
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<Field label="Description">
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<textarea className="min-h-20 border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" value={serverForm.description} onChange={(event) => setServerForm({ ...serverForm, description: event.target.value })} />
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</Field>
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<button className="inline-flex items-center justify-center gap-2 bg-cyan-700 px-4 py-2.5 text-sm font-semibold text-white hover:bg-slate-950">
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<Check size={18} /> Save Server
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</button>
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</form>
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</section>
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<section className="border border-slate-200 bg-white p-4">
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<h2 className="mb-4 flex items-center gap-2 text-base font-semibold text-slate-950">
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<Zap size={18} /> Add Service
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</h2>
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<form className="grid gap-3" onSubmit={createService}>
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<Field label="Server">
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<select className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serviceForm.serverId} onChange={(event) => setServiceForm({ ...serviceForm, serverId: event.target.value })}>
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<option value="">Select server</option>
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{servers.map((server) => (
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<option key={server.id} value={server.id}>
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{server.name} ({server.ipAddress})
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</option>
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))}
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</select>
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</Field>
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<Field label="Service name">
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<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serviceForm.name} onChange={(event) => setServiceForm({ ...serviceForm, name: event.target.value })} />
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</Field>
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<div className="grid grid-cols-[1fr_110px] gap-3">
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<Field label="Endpoint">
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<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serviceForm.endpoint} onChange={(event) => setServiceForm({ ...serviceForm, endpoint: event.target.value })} />
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</Field>
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<Field label="Port">
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<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required min="1" max="65535" type="number" value={serviceForm.port} onChange={(event) => setServiceForm({ ...serviceForm, port: event.target.value })} />
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</Field>
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</div>
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<Field label="Request JSON">
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<textarea className="min-h-24 border border-slate-300 px-3 py-2 font-mono text-xs outline-none focus:border-cyan-600" value={serviceForm.requestTemplate} onChange={(event) => setServiceForm({ ...serviceForm, requestTemplate: event.target.value })} />
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</Field>
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<button className="inline-flex items-center justify-center gap-2 bg-slate-950 px-4 py-2.5 text-sm font-semibold text-white hover:bg-cyan-700">
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<Check size={18} /> Save Service
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</button>
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</form>
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</section>
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<section className="border border-slate-200 bg-white p-4">
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<h2 className="mb-4 flex items-center gap-2 text-base font-semibold text-slate-950">
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<FileJson size={18} /> JSON Import
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</h2>
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<textarea className="min-h-80 w-full border border-slate-300 px-3 py-2 font-mono text-xs outline-none focus:border-cyan-600" value={jsonInput} onChange={(event) => setJsonInput(event.target.value)} />
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<div className="mt-3 grid grid-cols-2 gap-3">
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<button className="border border-slate-300 bg-white px-4 py-2 text-sm font-semibold text-slate-800 hover:border-cyan-700" onClick={previewImport} type="button">
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Preview
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</button>
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<button className="bg-cyan-700 px-4 py-2 text-sm font-semibold text-white hover:bg-slate-950" onClick={() => applyImport("skip")} type="button">
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Add New
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</button>
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</div>
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</section>
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</aside>
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<section className="grid content-start gap-6">
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<AnimatePresence>
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{(message || error) && (
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<motion.div animate={{ opacity: 1, y: 0 }} className={`border p-4 text-sm font-medium ${error ? "border-rose-200 bg-rose-50 text-rose-800" : "border-emerald-200 bg-emerald-50 text-emerald-800"}`} exit={{ opacity: 0, y: -8 }} initial={{ opacity: 0, y: -8 }}>
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{error || message}
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</motion.div>
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)}
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</AnimatePresence>
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{preview && (
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<section className="border border-slate-200 bg-white p-4">
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<div className="flex flex-col justify-between gap-3 md:flex-row md:items-center">
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<h2 className="flex items-center gap-2 text-base font-semibold text-slate-950">
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{preview.conflicts?.length ? <AlertTriangle size={18} /> : <ShieldCheck size={18} />}
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Import Preview
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</h2>
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{preview.conflicts?.length > 0 && (
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<button className="bg-amber-600 px-4 py-2 text-sm font-semibold text-white hover:bg-slate-950" onClick={() => applyImport("overwrite")} type="button">
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Confirm Overwrite
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</button>
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)}
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</div>
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<div className="mt-4 grid gap-3 md:grid-cols-3">
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<Stat icon={Plus} label="New servers" value={preview.newServers?.length || 0} />
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<Stat icon={Zap} label="New services" value={preview.newServices?.length || 0} />
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<Stat icon={AlertTriangle} label="Conflicts" value={preview.conflicts?.length || 0} />
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</div>
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</section>
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)}
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<div className="grid gap-4">
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{servers.map((server) => (
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<motion.article animate={{ opacity: 1, y: 0 }} className="border border-slate-200 bg-white p-4" initial={{ opacity: 0, y: 8 }} key={server.id}>
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<div className="flex flex-col justify-between gap-3 border-b border-slate-200 pb-4 md:flex-row md:items-start">
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<div>
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<h2 className="text-lg font-semibold text-slate-950">{server.name}</h2>
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<p className="mt-1 font-mono text-sm text-slate-600">{server.ipAddress}</p>
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{server.description && <p className="mt-2 text-sm text-slate-600">{server.description}</p>}
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</div>
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<span className="bg-slate-100 px-3 py-1 text-sm font-semibold text-slate-700">{server.services.length} services</span>
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</div>
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<div className="mt-4 grid gap-3 xl:grid-cols-2">
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{server.services.map((service) => (
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<div className="border border-slate-200 p-3" key={service.id}>
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<div className="flex items-start justify-between gap-3">
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<div>
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<h3 className="font-semibold text-slate-950">{service.name}</h3>
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<p className="mt-1 break-all font-mono text-xs text-slate-600">
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{service.method} http://{server.ipAddress}:{service.port}
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{service.endpoint}
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</p>
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</div>
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<button className="inline-flex shrink-0 items-center gap-2 bg-slate-950 px-3 py-2 text-xs font-semibold text-white hover:bg-cyan-700" onClick={() => reverseProxy(service.id, service.requestTemplate)} type="button">
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<Route size={15} /> Reverse Proxy
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</button>
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</div>
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</div>
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))}
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{server.services.length === 0 && <p className="border border-dashed border-slate-300 p-4 text-sm text-slate-500">No services added for this server yet.</p>}
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</div>
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</motion.article>
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))}
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</div>
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{servers.length === 0 && !loading && <section className="border border-dashed border-slate-300 bg-white p-8 text-center text-slate-600">Add a server manually or import JSON to start building the proxy table.</section>}
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{proxyResult && (
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<section className="border border-slate-200 bg-white p-4">
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<h2 className="mb-3 text-base font-semibold text-slate-950">Reverse Proxy Result</h2>
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<pre className="max-h-96 overflow-auto bg-slate-950 p-4 text-xs text-slate-50">{JSON.stringify(proxyResult, null, 2)}</pre>
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</section>
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)}
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</section>
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</main>
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</div>
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);
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}
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export default App;
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