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squoosh/src/codecs/oxipng/encoder.ts
2019-02-05 19:40:22 +00:00

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import * as oxipng from '../../../codecs/oxipng/pkg/oxipng_manual';
import { EncodeOptions } from './encoder-meta';
export async function compress(data: BufferSource, { level }: EncodeOptions): Promise<ArrayBuffer> {
let buffer: ArrayBuffer;
if (ArrayBuffer.isView(data)) {
buffer = data.buffer;
} else {
buffer = data;
}
debugger;
const resultView = await oxipng.compress(new Uint8Array(buffer), level);
const result = new Uint8Array(resultView);
// wasm cant run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
return result.buffer as ArrayBuffer;
}