fix: conversion HEIC serveur via heic-convert (WASM, supporte HEIC Apple vs sharp AVIF only)

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

@@ -1,7 +1,7 @@
 import { NextRequest, NextResponse } from 'next/server'
 import { getServerSession } from 'next-auth'
 import { authOptions } from '@/lib/auth'
-import sharp from 'sharp'
+import convert from 'heic-convert'
 
 export async function POST(req: NextRequest) {
   const session = await getServerSession(authOptions)
@@ -12,17 +12,24 @@ export async function POST(req: NextRequest) {
     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()
+    const inputBuffer = Buffer.from(await file.arrayBuffer())
+    // heic-convert utilise libheif WASM — supporte HEIC/HEIF sur tous les environnements
+    const outputBuffer = await convert({
+      buffer: inputBuffer,
+      format: 'JPEG',
+      quality: 0.92,
+    })
 
-    return new NextResponse(jpegBuffer.buffer as ArrayBuffer, {
+    const jpeg = Buffer.from(outputBuffer)
+    return new NextResponse(jpeg.buffer as ArrayBuffer, {
       headers: {
         'Content-Type': 'image/jpeg',
-        'Content-Length': String(jpegBuffer.length),
+        'Content-Length': String(jpeg.length),
       },
     })
   } catch (err) {
     const message = err instanceof Error ? err.message : 'Erreur conversion'
+    console.error('[convert-heic API]', message)
     return NextResponse.json({ error: message }, { status: 500 })
   }
 }

src/types/heic-convert.d.ts

@@ -0,0 +1 @@
+declare module 'heic-convert';