Create a new sales registry app with identity verification features

Initial commit of the React application with UI components, form, camera, and indexedDB integration for sale data management.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 91318273-c764-4fd4-be04-bdc12c38af32
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/02867739-9ff7-4441-aca2-12e0153376c5.jpg

client/src/lib/export.ts

@@ -0,0 +1,68 @@
+import { Sale } from '@/types/sale';
+
+export function exportToCSV(sales: Sale[]): void {
+  if (sales.length === 0) return;
+
+  const headers = [
+    'Date de vente',
+    'Vendeur',
+    'Type d\'article',
+    'Catégorie',
+    'Quantité',
+    'Code générique',
+    'Nom client',
+    'Prénom client',
+    'Date de naissance',
+    'Lieu de naissance',
+    'Type et n° identité',
+    'Autorité de délivrance',
+    'Date de délivrance',
+    'Photo recto (Oui/Non)',
+    'Photo verso (Oui/Non)',
+    'Horodatage'
+  ];
+
+  const rows = sales.map(sale => [
+    sale.dateVente,
+    sale.vendeur,
+    sale.typeArticle,
+    sale.categorie,
+    sale.quantite.toString(),
+    sale.gencode || '',
+    sale.nom,
+    sale.prenom,
+    sale.dateNaissance || '',
+    sale.lieuNaissance || '',
+    sale.typeIdentite || '',
+    sale.autoriteDelivrance || '',
+    sale.dateDelivrance || '',
+    sale.photoRecto ? 'Oui' : 'Non',
+    sale.photoVerso ? 'Oui' : 'Non',
+    sale.timestamp
+  ]);
+
+  const csvContent = [headers, ...rows]
+    .map(row => row.map(field => `"${String(field).replace(/"/g, '""')}"`).join(';'))
+    .join('\n');
+
+  // Add BOM for UTF-8 Excel compatibility
+  const bom = '\uFEFF';
+  const blob = new Blob([bom + csvContent], { 
+    type: 'text/csv;charset=utf-8;' 
+  });
+
+  const link = document.createElement('a');
+  link.href = URL.createObjectURL(blob);
+  link.download = `ventes_petards_${new Date().toISOString().split('T')[0]}.csv`;
+  link.click();
+  
+  URL.revokeObjectURL(link.href);
+}
+
+export function formatDate(dateString: string): string {
+  return new Date(dateString).toLocaleDateString('fr-FR');
+}
+
+export function formatDateTime(dateString: string): string {
+  return new Date(dateString).toLocaleString('fr-FR');
+}