@aws-amplify/core/dist/esm/utils/retry/jitteredBackoff.mjs

Core category of aws-amplify

import { MAX_DELAY_MS } from './constants.mjs';

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
/**
 * @private
 * Internal use of Amplify only
 */
function jitteredBackoff(maxDelayMs = MAX_DELAY_MS) {
    const BASE_TIME_MS = 100;
    const JITTER_FACTOR = 100;
    return attempt => {
        const delay = 2 ** attempt * BASE_TIME_MS + JITTER_FACTOR * Math.random();
        return delay > maxDelayMs ? false : delay;
    };
}

export { jitteredBackoff };
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