v4.1 - Admin/onboarding

scripts/optimize-images.mjs

@@ -4,6 +4,7 @@ import { join, extname, basename } from 'node:path';
 
 const MAX_WIDTH = 1600;
 const MIN_BYTES_TO_OPTIMISE = 250 * 1024;
+const OPTIMISE_WEBP = process.env.OPTIMISE_WEBP === '1';
 
 const dirs = ['src/lib/images', 'static/images'];
 
@@ -31,6 +32,7 @@ async function optimiseFile(file) {
   } else if (ext === '.jpg' || ext === '.jpeg') {
     buf = await pipeline.jpeg({ quality: 82, mozjpeg: true }).toBuffer();
   } else if (ext === '.webp') {
+    if (!OPTIMISE_WEBP) return { file, original: (await stat(file)).size, optimised: (await stat(file)).size, skipped: true };
     buf = await pipeline.webp({ quality: 80, effort: 6 }).toBuffer();
   } else {
     return null;
@@ -54,6 +56,10 @@ for (const dir of dirs) {
     const file = join(dir, name);
     const s = await stat(file);
     if (s.size < MIN_BYTES_TO_OPTIMISE) continue;
+    if (/\.webp$/i.test(name) && !OPTIMISE_WEBP) {
+      console.log(`${basename(file).padEnd(58)} ${(s.size / 1024).toFixed(0).padStart(5)}KB  (skipped: existing WebP)`);
+      continue;
+    }
     try {
       const res = await optimiseFile(file);
       if (!res) continue;