s3-migrate/dist/client.js

A CLI tool for migrating objects between S3-compatible storage buckets with resumable state tracking.

import { S3Client } from '@aws-sdk/client-s3';
function getCredentialsForPrefix(envPrefix) {
    const prefixes = [envPrefix, ''];
    for (const prefix of prefixes) {
        if (process.env[`${prefix}AWS_ACCESS_KEY_ID`] &&
            process.env[`${prefix}AWS_SECRET_ACCESS_KEY`]) {
            return {
                accessKeyId: process.env[`${prefix}AWS_ACCESS_KEY_ID`],
                secretAccessKey: process.env[`${prefix}AWS_SECRET_ACCESS_KEY`],
                sessionToken: process.env[`${prefix}AWS_SESSION_TOKEN`],
            };
        }
    }
    return undefined;
}
export function createS3Client(envPrefix, checksums = 'WHEN_SUPPORTED') {
    const config = {
        region: process.env[`${envPrefix}AWS_REGION`] ||
            process.env.AWS_REGION ||
            process.env.DEFAULT_AWS_REGION,
        endpoint: process.env[`${envPrefix}ENDPOINT`] || process.env.ENDPOINT,
        requestChecksumCalculation: checksums,
        responseChecksumValidation: checksums,
    };
    const credentials = getCredentialsForPrefix(envPrefix);
    if (credentials) {
        config.credentials = credentials;
    }
    return new S3Client(config);
}
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