@aws-amplify/storage
Version:
Storage category of aws-amplify
29 lines (27 loc) • 1.09 kB
JavaScript
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
/**
* Track the progress from multiple concurrent uploads, and invoke the onProgress callback.
*
* @internal
*/
const getConcurrentUploadsProgressTracker = ({ size, onProgress, }) => {
const transferredBytesPerListener = [];
const getTransferredBytes = () => transferredBytesPerListener.reduce((acc, transferredBytes) => acc + transferredBytes, 0);
return {
getOnProgressListener: () => {
transferredBytesPerListener.push(0);
const listenerIndex = transferredBytesPerListener.length - 1;
return (event) => {
const { transferredBytes } = event;
transferredBytesPerListener[listenerIndex] = transferredBytes;
onProgress?.({
transferredBytes: getTransferredBytes(),
totalBytes: size,
});
};
},
};
};
export { getConcurrentUploadsProgressTracker };
//# sourceMappingURL=progressTracker.mjs.map