web: create a minimal frontend interface

- Initializes and creates a React application.
- Creates the form which, when submitted, returns the quantities.
- Writes a minimal test.
- Allows CORS origins in the backend application.

Co-Authored-by: iGor milhit <igor@milhit.ch>
main
iGor milhit 2025-12-30 11:06:08 +01:00
parent 16d7161d78
commit 6d98d4f5aa
Signed by: igor
GPG Key ID: 692D97C3D0228A99
17 changed files with 4410 additions and 0 deletions

15
main.py
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from fastapi import FastAPI from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel from pydantic import BaseModel
from calculator import calculator, Results from calculator import calculator, Results
app = FastAPI() app = FastAPI()
origins = [
"http://localhost",
"http://localhost:8000",
"http://localhost:5173",
]
app.add_middleware(
CORSMiddleware,
allow_origins=origins,
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
@app.get("/") @app.get("/")
async def root(): async def root():
return {"message": "Hello World!"} return {"message": "Hello World!"}

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web/.gitignore vendored 100644
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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
.vite

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web/README.md 100644
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# React + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) (or [oxc](https://oxc.rs) when used in [rolldown-vite](https://vite.dev/guide/rolldown)) for Fast Refresh
- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
## React Compiler
The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see [this documentation](https://react.dev/learn/react-compiler/installation).
## Expanding the ESLint configuration
If you are developing a production application, we recommend using TypeScript with type-aware lint rules enabled. Check out the [TS template](https://github.com/vitejs/vite/tree/main/packages/create-vite/template-react-ts) for information on how to integrate TypeScript and [`typescript-eslint`](https://typescript-eslint.io) in your project.

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import js from '@eslint/js'
import globals from 'globals'
import reactHooks from 'eslint-plugin-react-hooks'
import reactRefresh from 'eslint-plugin-react-refresh'
import { defineConfig, globalIgnores } from 'eslint/config'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{js,jsx}'],
extends: [
js.configs.recommended,
reactHooks.configs.flat.recommended,
reactRefresh.configs.vite,
],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
parserOptions: {
ecmaVersion: 'latest',
ecmaFeatures: { jsx: true },
sourceType: 'module',
},
},
rules: {
'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
},
},
])

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<!doctype html>
<html lang="fr">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Que mettre dans mon pâton?</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>

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web/package.json 100644
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{
"name": "web",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"lint": "eslint .",
"preview": "vite preview",
"test": "vitest"
},
"dependencies": {
"react": "^19.2.0",
"react-dom": "^19.2.0"
},
"devDependencies": {
"@eslint/js": "^9.39.1",
"@testing-library/jest-dom": "^6.9.1",
"@testing-library/react": "^16.3.1",
"@types/react": "^19.2.5",
"@types/react-dom": "^19.2.3",
"@vitejs/plugin-react": "^5.1.1",
"eslint": "^9.39.1",
"eslint-plugin-react-hooks": "^7.0.1",
"eslint-plugin-react-refresh": "^0.4.24",
"globals": "^16.5.0",
"jsdom": "^27.4.0",
"vite": "^7.2.4",
"vitest": "^4.0.16"
}
}

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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>

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#root {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
/* text-align: center; */
}
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
filter: drop-shadow(0 0 2em #61dafbaa);
}
@keyframes logo-spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
@media (prefers-reduced-motion: no-preference) {
a:nth-of-type(2) .logo {
animation: logo-spin infinite 20s linear;
}
}
.card {
padding: 2em;
}
.read-the-docs {
color: #888;
}
form,
label,
input,
button {
display: block;
}

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web/src/App.jsx 100644
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import { useState } from 'react';
import './App.css';
function App() {
const [data, setData] = useState(null);
async function handleSubmit(e) {
e.preventDefault();
const form = new FormData(e.target);
const body = {
flour: Number(form.get('flour')),
hydration: Number(form.get('hydration')),
sourdough_hydration: Number(form.get('sourdough_hydration')),
salt_percent: Number(form.get('salt_percent')),
sourdough_percent: Number(form.get('sourdough_percent'))
};
const res = await fetch('http://localhost:8000/calculate', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(body)
});
const json = await res.json();
setData(json);
}
return (
<section>
<h1>Calculateur de quantités</h1>
<p>
Calcule les quantités de farine, levain, eau et sel sur la base des
informations renseignées dans le formulaire.
</p>
<form onSubmit={handleSubmit}>
<label>
Farine (g):
<input name="flour" type="number" defaultValue={500} />
</label>
<label>
Hydratation (%):
<input name="hydration" type="number" defaultValue={60} />
</label>
<label>
Hydratation du levain (%):
<input name="sourdough_hydration" type="number"
defaultValue={50} />
</label>
<label>
Sel (%):
<input name="salt_percent" type="number" defaultValue={1.6} />
</label>
<label>
Levain (%):
<input name="sourdough_percent" type="number" defaultValue={20} />
</label>
<button type="submit">Calculer</button>
</form>
{data && (
<section>
<h2>Quantités pour ton pâton</h2>
<ul>
<li>Farine: {data.flour} g</li>
<li>Eau: {data.water} g</li>
<li>Levain: {data.sourdough} g</li>
<li>Sel: {data.salt} g</li>
</ul>
</section>
)}
</section>
);
}
export default App;

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// web/src/App.test.jsx
import { describe, it, expect } from 'vitest'
import { render, screen } from '@testing-library/react'
import App from './App'
describe('App', () => {
it('affiche le formulaire', () => {
render(<App />)
expect(screen.getByLabelText(/farine/i)).toBeInTheDocument()
expect(screen.getByRole('button', { name: /calculer/i })).toBeInTheDocument()
})
})

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:root {
font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
color-scheme: light dark;
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #535bf2;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
}
h1 {
font-size: 3.2em;
line-height: 1.1;
}
button {
border-radius: 8px;
border: 1px solid transparent;
padding: 0.6em 1.2em;
font-size: 1em;
font-weight: 500;
font-family: inherit;
background-color: #1a1a1a;
cursor: pointer;
transition: border-color 0.25s;
}
button:hover {
border-color: #646cff;
}
button:focus,
button:focus-visible {
outline: 4px auto -webkit-focus-ring-color;
}
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
}
a:hover {
color: #747bff;
}
button {
background-color: #f9f9f9;
}
}

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import { StrictMode } from 'react'
import { createRoot } from 'react-dom/client'
import './index.css'
import App from './App.jsx'
createRoot(document.getElementById('root')).render(
<StrictMode>
<App />
</StrictMode>,
)

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import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
// https://vite.dev/config/
export default defineConfig({
plugins: [react()],
})

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import { defineConfig } from 'vitest/config'
import react from '@vitejs/plugin-react'
export default defineConfig({
plugins: [react()],
test: {
environment: 'jsdom',
setupFiles: ['./vitest.setup.js'],
globals: true
}
})

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import * as matchers from '@testing-library/jest-dom/matchers'
import { expect } from 'vitest'
expect.extend(matchers)