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React Hooks Guide Avancé en Français

React Hooks Guide Avancé en Français

Maîtrisez les React Hooks avancés : useCallback, useMemo, useReducer, hooks personnalisés et patterns d optimisation. Guide complet pour développeurs React.

reacthookstypescriptfrançaisfrenchuseReduceroptimisation
by AntigravityAI
⭐0Stars
.antigravity
# React Hooks Guide Avancé

Apprenez à maîtriser les React Hooks avancés pour construire des applications efficaces et maintenables.

## Hooks Fondamentaux avec TypeScript

### useState avec Types

```typescript
import { useState } from "react";

interface Utilisateur {
  id: number;
  nom: string;
  email: string;
  actif: boolean;
}

function ProfilUtilisateur() {
  const [utilisateur, setUtilisateur] = useState<Utilisateur | null>(null);
  const [chargement, setChargement] = useState(true);
  const [erreurs, setErreurs] = useState<string[]>([]);

  const mettreAJourNom = (nouveauNom: string) => {
    setUtilisateur((prev) => 
      prev ? { ...prev, nom: nouveauNom } : null
    );
  };

  return (
    <div>
      {chargement ? (
        <p>Chargement...</p>
      ) : utilisateur ? (
        <h1>Bienvenue, {utilisateur.nom}</h1>
      ) : (
        <p>Utilisateur non trouvé</p>
      )}
    </div>
  );
}
```

## useReducer pour État Complexe

```typescript
interface Produit {
  id: string;
  nom: string;
  prix: number;
  quantite: number;
}

interface EtatPanier {
  articles: Produit[];
  total: number;
  nombreArticles: number;
}

type ActionPanier =
  | { type: "AJOUTER_ARTICLE"; payload: Produit }
  | { type: "SUPPRIMER_ARTICLE"; payload: string }
  | { type: "VIDER_PANIER" };

function reducteurPanier(etat: EtatPanier, action: ActionPanier): EtatPanier {
  switch (action.type) {
    case "AJOUTER_ARTICLE": {
      const existant = etat.articles.find((p) => p.id === action.payload.id);
      
      if (existant) {
        const articlesMisAJour = etat.articles.map((p) =>
          p.id === action.payload.id
            ? { ...p, quantite: p.quantite + 1 }
            : p
        );
        return calculerTotaux({ ...etat, articles: articlesMisAJour });
      }
      
      return calculerTotaux({
        ...etat,
        articles: [...etat.articles, { ...action.payload, quantite: 1 }],
      });
    }
    
    case "SUPPRIMER_ARTICLE": {
      const articlesFiltres = etat.articles.filter((p) => p.id !== action.payload);
      return calculerTotaux({ ...etat, articles: articlesFiltres });
    }
    
    case "VIDER_PANIER":
      return { articles: [], total: 0, nombreArticles: 0 };
      
    default:
      return etat;
  }
}
```

## Hooks Personnalisés

### useLocalStorage

```typescript
import { useState, useEffect } from "react";

export function useLocalStorage<T>(
  cle: string,
  valeurInitiale: T
): [T, (valeur: T | ((prev: T) => T)) => void] {
  const [valeurStockee, setValeurStockee] = useState<T>(() => {
    if (typeof window === "undefined") return valeurInitiale;
    
    try {
      const element = window.localStorage.getItem(cle);
      return element ? JSON.parse(element) : valeurInitiale;
    } catch (erreur) {
      console.error("Erreur de lecture localStorage:", erreur);
      return valeurInitiale;
    }
  });

  useEffect(() => {
    try {
      window.localStorage.setItem(cle, JSON.stringify(valeurStockee));
    } catch (erreur) {
      console.error("Erreur d écriture localStorage:", erreur);
    }
  }, [cle, valeurStockee]);

  return [valeurStockee, setValeurStockee];
}

// Utilisation
function Parametres() {
  const [theme, setTheme] = useLocalStorage("theme", "clair");
  const [langue, setLangue] = useLocalStorage("langue", "fr");

  return (
    <div>
      <button onClick={() => setTheme(theme === "clair" ? "sombre" : "clair")}>
        Thème actuel: {theme}
      </button>
    </div>
  );
}
```

## Optimisation des Performances

```typescript
import { useMemo, useCallback, memo } from "react";

export function ListeProduits({
  produits,
  categorieSelectionnee,
  onSelectionner,
}: {
  produits: Produit[];
  categorieSelectionnee: string;
  onSelectionner: (id: string) => void;
}) {
  // Mémoriser les produits filtrés
  const produitsFiltres = useMemo(() => {
    console.log("Filtrage des produits...");
    return produits.filter(
      (p) => !categorieSelectionnee || p.categorie === categorieSelectionnee
    );
  }, [produits, categorieSelectionnee]);

  // Mémoriser la fonction de clic
  const gererClic = useCallback(
    (id: string) => {
      onSelectionner(id);
    },
    [onSelectionner]
  );

  return (
    <ul className="grid grid-cols-3 gap-4">
      {produitsFiltres.map((produit) => (
        <CarteProduit
          key={produit.id}
          produit={produit}
          onClick={gererClic}
        />
      ))}
    </ul>
  );
}
```

Ce guide React Hooks en français couvre tous les hooks essentiels avec des exemples pratiques.

When to Use This Prompt

This react prompt is ideal for developers working on:

  • react applications requiring modern best practices and optimal performance
  • Projects that need production-ready react code with proper error handling
  • Teams looking to standardize their react development workflow
  • Developers wanting to learn industry-standard react patterns and techniques

By using this prompt, you can save hours of manual coding and ensure best practices are followed from the start. It's particularly valuable for teams looking to maintain consistency across their react implementations.

How to Use

  1. Copy the prompt - Click the copy button above to copy the entire prompt to your clipboard
  2. Paste into your AI assistant - Use with Claude, ChatGPT, Cursor, or any AI coding tool
  3. Customize as needed - Adjust the prompt based on your specific requirements
  4. Review the output - Always review generated code for security and correctness
💡 Pro Tip: For best results, provide context about your project structure and any specific constraints or preferences you have.

Best Practices

  • ✓ Always review generated code for security vulnerabilities before deploying
  • ✓ Test the react code in a development environment first
  • ✓ Customize the prompt output to match your project's coding standards
  • ✓ Keep your AI assistant's context window in mind for complex requirements
  • ✓ Version control your prompts alongside your code for reproducibility

Frequently Asked Questions

Can I use this react prompt commercially?

Yes! All prompts on Antigravity AI Directory are free to use for both personal and commercial projects. No attribution required, though it's always appreciated.

Which AI assistants work best with this prompt?

This prompt works excellently with Claude, ChatGPT, Cursor, GitHub Copilot, and other modern AI coding assistants. For best results, use models with large context windows.

How do I customize this prompt for my specific needs?

You can modify the prompt by adding specific requirements, constraints, or preferences. For react projects, consider mentioning your framework version, coding style, and any specific libraries you're using.

Related Prompts

💬 Comments

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