3x-ui-agent/frontend

3x-ui frontend

React 19 + Ant Design 6 + TypeScript + Vite 8. Three SPA bundles — index.html (admin panel SPA, all /panel/* routes), login.html (login + 2FA), and subpage.html (public subscription viewer). All three are built into ../internal/web/dist/ and embedded into the Go binary via embed.FS.

State is split between local useState, TanStack Query for server state, and useTheme / useWebSocket contexts. Form validation, API parsing, and the xray config model all run through a single shared Zod schema tree (see Schemas).

Dev

npm install
npm run dev

Vite serves on http://localhost:5173/. API calls and /panel/* routes proxy to the Go panel at http://localhost:2053/, so start the Go panel first (go run main.go) and then Vite. The proxy auto-rewrites /panel, /panel/settings, /panel/inbounds, /panel/xray to the matching Vite-served HTML, so the sidebar's production-style links work without round-tripping through Go.

Scripts

Command	What
npm run dev	Vite dev server with API + WS proxy to Go
npm run build	Regenerates OpenAPI + Zod, then builds into ../internal/web/dist/
npm run preview	Serve the built bundle locally
npm run typecheck	tsc --noEmit (strict, no emit)
npm run lint	oxlint over src/ + tools/ (.oxlintrc.json)
npm run lint:deprecated	Type-aware sweep for JSDoc @deprecated APIs (on demand)
npm run format	oxfmt (.oxfmtrc.json) — rewrites src/ + tools/ in place
npm run format:check	oxfmt in check mode (no writes)
npm run test	Vitest single run (schema fixtures, link parsers, …)
npm run test:watch	Vitest watch mode
npm run storybook	Storybook dev server on :6006 (component workbench + autodocs)
npm run build-storybook	Static Storybook build — CI compile-checks every story
npm run gen:api	Build public/openapi.json from pages/api-docs/endpoints.ts
npm run gen:zod	Run the Go-side openapigen tool → src/generated/{zod,types}.ts

CI runs typecheck, lint, format:check, test, build, and build-storybook on every PR (see ../.github/workflows/ci.yml).

One-off: scan for deprecated APIs

Run this command to sweep the codebase for usages of APIs marked with the JSDoc @deprecated tag (AntD prop renames, Zod renames, removed Web APIs, etc.):

npm run lint:deprecated

It is oxlint's type-aware mode (oxlint-tsgolint, which drives the TypeScript 7 typescript-go checker) narrowed to no-deprecated, and is not wired into npm run lint because typed linting needs a full type-check pass.

Production build

npm run build

Outputs to ../internal/web/dist/ (HTML at the root, hashed JS/CSS under assets/). manualChunks splits AntD, icons, codemirror, and react-query into separate vendor bundles to keep the per-page initial JS small. The Go binary embeds this directory at compile time and internal/web/controller/dist.go serves the per-page HTML.

PWA mode

The login and panel pages expose a minimal network-only Progressive Web App. The manifest, service worker, registration script, and icons are embedded with the frontend and served under the runtime webBasePath. The service worker does not use Cache Storage, does not intercept requests, and does not provide offline access; panel authentication, API calls, and WebSocket traffic remain normal network requests.

Layout

frontend/
├── index.html, login.html, subpage.html  # 3 Vite entries
├── tsconfig.json
├── .oxlintrc.json                        # oxlint config (replaces the ESLint flat config)
├── .oxfmtrc.json                         # oxfmt config (Prettier-compatible settings)
├── tools/oxlint/
│   └── input-number-guard.mjs            # oxlint JS plugin: the #6121/#6127 cleared-
│                                         #   InputNumber guard (oxlint has no
│                                         #   no-restricted-syntax)
├── vitest.config.ts
├── vite.config.js
├── .storybook/                           # Storybook config (main.ts, preview.tsx)
├── scripts/
│   └── build-openapi.mjs                 # endpoints.ts → openapi.json
└── src/
    ├── entries/         # Per-page bootstrap (createRoot + render)
    ├── main.tsx         # Shared root for the admin SPA (index.html)
    ├── routes.tsx       # react-router routes mounted under /panel/
    ├── pages/           # One folder per route, page component + helpers
    │   ├── index/, login/, inbounds/, clients/, xray/, nodes/,
    │   ├── settings/, api-docs/, sub/
    ├── layouts/         # AdminLayout (sidebar + header + outlet)
    ├── components/      # Cross-page React components (+ co-located *.stories.tsx)
    ├── hooks/           # useClients, useTheme, useWebSocket, …
    ├── api/             # fetch client + CSRF handling, TanStack Query bridge,
    │                    #   WebSocket client + queryClient.ts
    ├── i18n/            # react-i18next init (locales in internal/web/translation/)
    ├── lib/xray/        # Pure functions: link generation, defaults,
    │                    #   form ⇄ wire adapters, protocol capabilities
    ├── schemas/         # Zod source-of-truth (see "Schemas" below)
    ├── generated/       # Code-generated zod + ts types from Go
    │                    #   (DO NOT hand-edit — regenerated by gen:zod)
    ├── models/          # Thin legacy types still in transit
    │                    #   (DBInbound, Status, AllSetting)
    ├── styles/          # Shared CSS modules
    ├── test/            # Vitest specs + golden fixtures
    │   ├── *.test.ts
    │   ├── __snapshots__/
    │   └── golden/fixtures/  # Per-(protocol × network × security) JSON
    └── utils/           # HttpUtil, ClipboardManager, SizeFormatter, …

Schemas

src/schemas/ is the single source of truth for the xray configuration model. Every API response is parsed through it, every form field is validated against it, and TypeScript types are inferred via z.infer<typeof X> — never hand-written.

schemas/
├── primitives/      # Atomic reusable schemas (port, protocol, sniffing, …)
├── api/             # Backend response shapes (e.g. SlimInboundSchema)
├── forms/           # User-facing form shapes (narrower than api/)
├── protocols/
│   ├── inbound/     # Per-protocol settings (vmess, vless, trojan, …)
│   ├── outbound/
│   ├── stream/      # Network transports (tcp, ws, grpc, xhttp, kcp, …)
│   └── security/    # TLS, Reality, none
├── client.ts, dns.ts, routing.ts, setting.ts, status.ts, xray.ts
└── _envelope.ts     # Generic `Msg<T>` envelope wrapper

Patterns:

• Discriminated unions for polymorphic data — inbound settings is z.discriminatedUnion('protocol', […]), same for stream and security.
• Three validation layers, non-overlapping:
  • API boundary: parseMsg(msg, schema, ctx) inside TanStack Query queryFn — warn-only in prod, throws in dev
  • Form input: antdRule(schema.shape.field) on every <Form.Item> — blocks submit + per-field inline error
  • Wire request: Schema.parse(payload) inside mutationFn — throws, because a malformed payload here is always a developer bug
• No .loose() or [key: string]: any in production schemas. typescript/no-explicit-any: error is enforced by oxlint.

Form pattern (Pattern A)

All non-trivial modals use this single pattern:

const [form] = Form.useForm<InboundFormValues>();

const onFinish = async () => {
  const values = await form.validateFields();
  await createInbound.mutateAsync(values);
};

<Form form={form} onFinish={onFinish}>
  <Form.Item
    name="port"
    label="Port"
    rules={[antdRule(InboundFormSchema.shape.port, t)]}
  >
    <InputNumber min={1} max={65535} />
  </Form.Item>
</Form>

No safeParse-on-submit handlers, no useRef<any> for form references, no inline z.string().min(1) in rules. Conditional fields use <Form.Item dependencies={...} shouldUpdate> with the nested protocol schema.

Testing

Vitest runs everything under src/test/. Schemas have golden fixture suites — one JSON per (protocol × network × security) combination round-tripped through schema.parse → link generator → snapshot. Regenerate snapshots after intentional changes:

npx vitest run -u

Fixtures live in src/test/golden/fixtures/ and are auto-discovered via import.meta.glob.

Storybook

Reusable components in src/components/ are developed and documented in Storybook (@storybook/react-vite). It is a component workbench, not part of the shipped panel — nothing here is embedded into the Go binary. The built Storybook is published with the docs site at docs.sanaei.dev/storybook by .github/workflows/docs-deploy.yml.

npm run storybook        # dev server on http://localhost:6006
npm run build-storybook  # static build; CI runs this to compile-check every story

Addons: @storybook/addon-docs renders an autodocs page per component, @storybook/addon-a11y flags accessibility issues in the canvas, and @storybook/addon-vitest runs every story as a headless-browser test under npm run test (Playwright/Chromium — run npx playwright install chromium once locally). The .storybook/preview.tsx decorator wraps every story in the AntD ConfigProvider and adds a light/dark theme toggle to the toolbar.

Conventions for a story:

• Co-locate it with its component as <Component>.stories.tsx.
• Set tags: ['autodocs'] so it gets a generated docs page.
• Document props via story metadata, not JSDoc (the repo bans // comments): a component summary in parameters.docs.description.component and per-prop text in argTypes[prop].description. satisfies Meta<typeof Component> keeps the metadata type-checked.

Adding a new page

Most new routes go inside the admin SPA (index.html) via routes.tsx — no new HTML or Vite entry needed.

1. Add the page component under src/pages/<page>/.
2. Register it in src/routes.tsx under the /panel/... tree.
3. If you need a brand-new top-level bundle (login-style standalone page), add the HTML at frontend/<page>.html, an entry at src/entries/<page>.tsx, and register it in rollupOptions.input in vite.config.js. Then add the Go controller call to serveDistPage(c, "<page>.html").