S3 v3 SDK Node Update Notes.js

const { S3, GetObjectCommand } = require("@aws-sdk/client-s3");
const S3C = new S3(S3Config.mms());

response = await S3C.send(new GetObjectCommand(params));
data = await this.streamToString(response.Body);

async streamToString(stream) {
  return new Promise((resolve, reject) => {
    const chunks = [];
    stream.on("data", (chunk) => chunks.push(chunk));
    stream.on("error", reject);
    stream.on("end", () => resolve(Buffer.concat(chunks)));
  });
}