@aws-amplify/storage/dist/esm/providers/s3/utils/readFile.mjs

Storage category of aws-amplify

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
// TODO: Remove this file once the remove/delete API is migrated to the
// 3-layer architecture. It is kept only for the old `md5.ts` / `crc32.ts`
// utilities in this directory, which `deleteObjects` still uses. New code
// should import `readFile` from `client/utils/readFile` or
// `server/utils/readFile` depending on the environment.
const readFile = (file) => {
    // Browser path: use FileReader when available.
    if (typeof FileReader !== 'undefined') {
        return new Promise((resolve, reject) => {
            const reader = new FileReader();
            reader.onload = () => {
                resolve(reader.result);
            };
            reader.onabort = () => {
                reject(new Error('Read aborted'));
            };
            reader.onerror = () => {
                reject(reader.error);
            };
            reader.readAsArrayBuffer(file);
        });
    }
    // Server (Node.js 18+) path: Blob/File both expose arrayBuffer().
    return file.arrayBuffer();
};

export { readFile };
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