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refactor: improve flow of decryption (#2)

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鲁树人
2023-05-21 23:38:32 +01:00
parent bc1c836d57
commit f7353ef4cb
7 changed files with 43 additions and 21 deletions
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7
src/decrypt-worker/util/transformBlob.ts
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@@ -1,7 +1,8 @@
import { Transformer, Parakeet, TransformResult, fetchParakeet } from '@jixun/libparakeet';
import { toArrayBuffer } from './buffer';
export async function transformBlob(
blob: Blob,
blob: Blob | ArrayBuffer,
transformerFactory: (p: Parakeet) => Transformer | Promise<Transformer>,
parakeet?: Parakeet
) {
@@ -12,7 +13,7 @@ export async function transformBlob(
const transformer = await transformerFactory(mod);
cleanup.push(() => transformer.delete());
const reader = mod.make.Reader(await blob.arrayBuffer());
const reader = mod.make.Reader(await toArrayBuffer(blob));
cleanup.push(() => reader.delete());
const sink = mod.make.WriterSink();
@@ -21,7 +22,7 @@ export async function transformBlob(
const result = transformer.Transform(writer, reader);
if (result !== TransformResult.OK) {
throw new Error(`transform failed with error: ${TransformResult[result]} (${result})`);
throw new Error(`transformer<${transformer.Name}> failed with error: ${TransformResult[result]} (${result})`);
}
return sink.collectBlob();