feat: optimize image for cloudflare

Author: velopert

src/lib/optimizeImage.ts

@@ -1,4 +1,7 @@
 export default function optimizeImage(url: string, width?: number) {
+  if (url.includes('imagedelivery.net')) {
+    return optimizeImageForCloudflare(url, width);
+  }
   if (
     !url.includes('https://images.velog.io') &&
     !url.includes('https://media.vlpt.us')
@@ -16,3 +19,13 @@ export default function optimizeImage(url: string, width?: number) {
   }
   return replaced.concat(`?w=${width}`);
 }
+
+export function optimizeImageForCloudflare(url: string, width?: number) {
+  if (!width) return url;
+  const replacer = (variant: string) => url.replace('public', variant);
+  if (width === 640) return replacer('w640');
+  if (width === 768) return replacer('w768');
+  if (width === 240) return replacer('512x512');
+  if (width === 120) return replacer('256x256');
+  return url;
+}