forked from external-repos/squoosh
19 lines
754 B
TypeScript
19 lines
754 B
TypeScript
import webp_enc, { WebPModule } from '../../../codecs/webp/enc/webp_enc';
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import wasmUrl from '../../../codecs/webp/enc/webp_enc.wasm';
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import { EncodeOptions } from './encoder-meta';
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import { initEmscriptenModule } from '../util';
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let emscriptenModule: Promise<WebPModule>;
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export async function encode(data: ImageData, options: EncodeOptions): Promise<ArrayBuffer> {
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if (!emscriptenModule) emscriptenModule = initEmscriptenModule(webp_enc, wasmUrl);
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const module = await emscriptenModule;
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const result = module.encode(data.data, data.width, data.height, options);
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if (!result) {
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throw new Error('Encoding error.');
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}
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// wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
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return result.buffer as ArrayBuffer;
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}
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