feat: conversion HEIC serveur via sharp (fallback fiable Chrome/Firefox)

src/app/api/images/convert-heic/route.ts

@@ -0,0 +1,28 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { getServerSession } from 'next-auth'
+import { authOptions } from '@/lib/auth'
+import sharp from 'sharp'
+
+export async function POST(req: NextRequest) {
+  const session = await getServerSession(authOptions)
+  if (!session) return NextResponse.json({ error: 'Non authentifié' }, { status: 401 })
+
+  try {
+    const formData = await req.formData()
+    const file = formData.get('file') as File | null
+    if (!file) return NextResponse.json({ error: 'Fichier manquant' }, { status: 400 })
+
+    const buffer = Buffer.from(await file.arrayBuffer())
+    const jpegBuffer = await sharp(buffer).jpeg({ quality: 92 }).toBuffer()
+
+    return new NextResponse(jpegBuffer.buffer as ArrayBuffer, {
+      headers: {
+        'Content-Type': 'image/jpeg',
+        'Content-Length': String(jpegBuffer.length),
+      },
+    })
+  } catch (err) {
+    const message = err instanceof Error ? err.message : 'Erreur conversion'
+    return NextResponse.json({ error: message }, { status: 500 })
+  }
+}