chore: add comment about throwing if uncopieable readableStream is al…

…ready flowing
aws · Feb 21, 2022 · e166117 · e166117
1 parent 568eb4b
commit e166117
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/hash-stream-node/src/readableStreamHasher.ts b/packages/hash-stream-node/src/readableStreamHasher.ts
@@ -6,6 +6,7 @@ import { HashCalculator } from "./HashCalculator";
 import { isFileStream } from "./isFileStream";
 
 export const readableStreamHasher: StreamHasher<Readable> = (hashCtor: HashConstructor, readableStream: Readable) => {
+  // ToDo: throw if readableStream is already flowing and it's copy can't be created.
   // ToDo: create accurate copy if filestream is created from file descriptor.
   const streamToPipe = isFileStream(readableStream)
     ? createReadStream(readableStream.path, {