s3-upload-files-example.js

import { PutObjectCommand, S3Client } from "@aws-sdk/client-s3";
import { readFileSync } from "fs";
import { uuid } from "uuidv4";

const STORAGE_BUCKET = 'voluntario'

const client = new S3Client({
    region: "us-east-2",
    credentials: {
      accessKeyId: "",
      secretAccessKey: "",
    },
});

export const formatFilenameWithBucket = (filename) => typeof filename === 'string' ?
  filename?.includes('http') ? filename : `https://${STORAGE_BUCKET}.s3.amazonaws.com/${filename}` : null

const uploadStreamToS3 = async (b64, filename, type) => {
    const buf = Buffer.from(
      b64.replace(/^data:image\/\w+;base64,/, ""),
      "base64"
    );
  
    const filetUUID = uuid();
    const getExtension = filename?.slice(
      ((filename.lastIndexOf(".") - 1) >>> 0) + 2
    );
    const fName = filetUUID + "." + getExtension;

    console.log({fName});
  
    const params = {
      Bucket: STORAGE_BUCKET,
      Key: fName,
      Body: buf,
      ACL: "public-read",
      ContentType: type,
    };
  
    await client.send(new PutObjectCommand(params));
  
    return fName;
};


const base64 = readFileSync('public/pedegas.png', 'base64')
const filename = `${uuid()}.png`

console.log({filename, base64: base64.length});

uploadStreamToS3(base64, filename, 'image/png').then((imageUrl)=>{
    console.log('result', {imageUrl, fileUrl: formatFilenameWithBucket(imageUrl)});
})