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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import isAnimated from 'is-file-animated';
import { isWebpSupported } from './isWebpSupported.js';
import type { BrowserImageResizerConfigWithConvertedOutput } from '@misskey-dev/browser-image-resizer';
const compressTypeMap = {
'image/jpeg': { quality: 0.90, mimeType: 'image/webp' },
'image/png': { quality: 1, mimeType: 'image/webp' },
'image/webp': { quality: 0.90, mimeType: 'image/webp' },
'image/svg+xml': { quality: 1, mimeType: 'image/webp' },
} as const;
const compressTypeMapFallback = {
'image/jpeg': { quality: 0.85, mimeType: 'image/jpeg' },
'image/png': { quality: 1, mimeType: 'image/png' },
'image/webp': { quality: 0.85, mimeType: 'image/jpeg' },
'image/svg+xml': { quality: 1, mimeType: 'image/png' },
} as const;
export async function getCompressionConfig(file: File): Promise<BrowserImageResizerConfigWithConvertedOutput | undefined> {
const imgConfig = (isWebpSupported() ? compressTypeMap : compressTypeMapFallback)[file.type];
if (!imgConfig || await isAnimated(file)) {
return;
}
return {
maxWidth: 2048,
maxHeight: 2048,
debug: true,
...imgConfig,
};
}
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