Auto

Enumerator options for imageOptimizerOptions.auto.

Constants

• AVIF ("avif") If the browser's Accept header indicates compatibility, deliver an AVIF image.
• WEBP ("webp") If the browser's Accept header indicates compatibility, deliver a WebP image.

Examples

import { Auto, Region } from 'fastly:image-optimizer';

addEventListener("fetch", (event) => event.respondWith(handleRequest(event)));

async function handleRequest(event) {
  return await fetch('https://www.w3.org/Graphics/PNG/text2.png', {
    imageOptimizerOptions: {
      region: Region.UsEast,
      auto: Auto.AVIF
    },
    backend: 'w3'
  });
}