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/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
let isWebpSupportedCache: boolean | undefined;
export function isWebpSupported() {
if (isWebpSupportedCache === undefined) {
const canvas = document.createElement('canvas');
canvas.width = 1;
canvas.height = 1;
isWebpSupportedCache = canvas.toDataURL('image/webp').startsWith('data:image/webp');
}
return isWebpSupportedCache;
}
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