Image Resize Lambda Trigger

resizetrigger.js

const sharp = require("sharp");
const aws = require("aws-sdk");
const s3 = new aws.S3();

exports.handler = async function(event, context) {
    if (event.Records[0].eventName === "ObjectRemoved:Delete") {
        return;
    }
    const BUCKET = event.Records[0].s3.bucket.name;
    const KEY = event.Records[0].s3.object.key;
    try {
      let image = await s3.getObject({ Bucket: BUCKET, Key: KEY }).promise();
      image = await sharp(image.Body);
      const metadata = await image.metadata();
      if (metadata.width > 1000) {
          const resizedImage = await image.resize({ width: 1000 }).toBuffer();
          await s3.putObject({ Bucket: BUCKET, Body: resizedImage, Key: KEY }).promise();
          return;
      } else {
          return;
      }
    } catch (err) {
      context.fail(`Error resizing image: ${err}`);
    }
}

/**
{
  "name": "S3Triggere4cecfe5",
  "version": "2.0.0",
  "description": "Lambda function generated by Amplify",
  "main": "index.js",
  "license": "Apache-2.0",
  "scripts": {
    "install": "npm install --arch=x64 --platform=linux sharp"
  },
  "dependencies": {
    "sharp": "^0.23.2"
  }
}
*/