react-spa

A set of conventions for React single-page applications built with Vite or Create React App. A single-page application is a web app that changes views in the browser without loading a new page for every route.

In plain words
What is it for?
Use it when building or reviewing React SPA entry points, routes, pages, components, hooks, API services, stores, and TypeScript types.
Why use it?
It standardizes routing, source folders, Vite settings, API proxying, shared components, state, and utility code. This makes the structure easier to navigate and extend.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/ggombee/code-forge/react-spa
Any agent
npx skills add ggombee/code-forge --skill react-spa
Clone the repo
git clone --depth 1 https://github.com/ggombee/code-forge

Made for: Claude Code, Codex.

Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,445 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00034 $0.01445
Opus 5 $0.00017 $0.00723
Sonnet 5 $0.00007 $0.00289
Haiku 4.5 $0.00003 $0.00145

Measured yesterday against content hash c93264bad29f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

react-spa scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

modules/frameworks/react-spa/SKILL.md · 248 lines

How it starts

The opening of the file, as written. The whole thing — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.

React SPA 컨벤션

이 프로젝트는 Vite 또는 CRA(Create React App) 기반의 React SPA다.


프로젝트 구조

src/
├── main.tsx            # 진입점
├── App.tsx             # 루트 컴포넌트
├── routes/             # 라우트 정의
│   └── index.tsx
├── pages/              # 페이지 컴포넌트
│   ├── HomePage.tsx
│   └── OrderPage.tsx
├── components/         # 공유 컴포넌트
├── hooks/              # 커스텀 훅
├── services/           # API 서비스
├── store/              # 상태 관리
├── types/              # TypeScript 타입
└── utils/              # 유틸리티 함수

Vite 설정

// vite.config.ts
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import path from 'path';

export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  server: {
    port: 3000,
    proxy: {
      '/api': {
        target: process.env.VITE_API_URL,
        changeOrigin: true,
      },
    },
  },
});

진입점

// src/main.tsx
import React from 'react';
import ReactDOM from 'react-dom/client';
import { BrowserRouter } from 'react-router-dom';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import App from './App';
import './index.css';

const queryClient = new QueryClient();

ReactDOM.createRoot(document.getElementById('root')!).render(
  <React.StrictMode>
    <BrowserRouter>
      <QueryClientProvider client={queryClient}>
        <App />
      </QueryClientProvider>
    </BrowserRouter>
  </React.StrictMode>,
);

react-router-dom v6 라우팅

기본 라우트 설정

// src/routes/index.tsx
import { Routes, Route, Navigate } from 'react-router-dom';
import { Suspense, lazy } from 'react';

// 코드 스플리팅
const HomePage = lazy(() => import('@/pages/HomePage'));
const OrderPage = lazy(() => import('@/pages/OrderPage'));
const OrderDetailPage = lazy(() => import('@/pages/OrderDetailPage'));
const NotFoundPage = lazy(() => import('@/pages/NotFoundPage'));

export function AppRoutes() {
  return (
    <Suspense fallback={<div>로딩 중...</div>}>
      <Routes>
        <Route path="/" element={<HomePage />} />
        <Route path="/orders" element={<OrderPage />} />
        <Route path="/orders/:orderId" element={<OrderDetailPage />} />
        <Route path="/404" element={<NotFoundPage />} />
        <Route path="*" element={<Navigate to="/404" replace />} />
      </Routes>
    </Suspense>
  );
}

Read the full file on GitHub · 248 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 248 lines · 34 tokens per session scan A c93264bad29f

Subscribe to this mod's changes

react-spa is a skill published in the GitHub repository ggombee/code-forge (13 stars, last pushed 2mo ago), licensed MIT. It adds 34 tokens to every session and 1,445 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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