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| async function supportsWebp() { | |
| if (!self.createImageBitmap) return false; | |
| const webpData = 'data:image/webp;base64,UklGRhIAAABXRUJQVlA4TAYAAAAvQWxvAGs='; | |
| const blob = await fetch(webpData).then(r => r.blob()); | |
| return createImageBitmap(blob).then(() => true, () => false); | |
| } | |
| addEventListener('install', event => { | |
| event.waitUntil(async function() { | |
| if (await supportsWebp()) { | |
| // … | |
| } | |
| else { | |
| // … | |
| } | |
| }()); | |
| }); |
Not working in iphone 6s. Issue causing due to async function. Similar issue on SO.
https://stackoverflow.com/questions/53358706/angular-web-app-async-functions-observables-not-working-properly-in-ios-devi
iOS14 introduces webp support, anyone know if this will detect there correctly?
It should do
Mmm iOS 14 beta 2 has no support for createImageBitmap, yet?
Actually not seeing any webp support of any kind yet, guess its still coming
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shave a few off your data uri with
data:image/webp;base64,UklGRhIAAABXRUJQVlA4TAYAAAAvQWxvAGs=(pulled from mathias' small)