2019-11-18 11:04:13 +09:00

10 lines
325 B
TypeScript

export default async function supportsWebP(): Promise<boolean> {
if(!window.createImageBitmap) {
return false
}
const data = "data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAAAAAAfQ//73v/+BiOh/AAA="
const blob = await fetch(data).then(r => r.blob())
return createImageBitmap(blob).then(() => true, () => false)
}