once load splash

src/app/api/pwa-icon/[size]/route.ts

@@ -0,0 +1,34 @@
+import { readFile } from 'fs/promises';
+import path from 'path';
+import sharp from 'sharp';
+import { NextRequest, NextResponse } from 'next/server';
+
+const VALID_SIZES = [192, 512] as const;
+
+export async function GET(
+  _request: NextRequest,
+  { params }: { params: Promise<{ size: string }> },
+) {
+  const { size: sizeParam } = await params;
+  const size = parseInt(sizeParam, 10);
+
+  if (!VALID_SIZES.includes(size as (typeof VALID_SIZES)[number])) {
+    return new NextResponse('Invalid size', { status: 400 });
+  }
+
+  try {
+    const svgPath = path.join(process.cwd(), 'public', 'icon0.svg');
+    const svgBuffer = await readFile(svgPath);
+    const pngBuffer = await sharp(svgBuffer).resize(size, size).png().toBuffer();
+
+    return new NextResponse(new Uint8Array(pngBuffer), {
+      headers: {
+        'Content-Type': 'image/png',
+        'Cache-Control': 'public, max-age=31536000, immutable',
+      },
+    });
+  } catch (error) {
+    console.error('Error generating PWA icon:', error);
+    return new NextResponse('Failed to generate icon', { status: 500 });
+  }
+}