mantiqh-resizer-js/dist/index.js

File uploading package in AWS S3

import sharp from 'sharp';
import { resolve } from 'path';
import { S3Client, PutObjectCommand } from '@aws-sdk/client-s3';
import dotenv from 'dotenv';
dotenv.config({ path: resolve(process.cwd(), '.env') });
// Ensure required environment variables exist
if (!process.env.AWS_BUCKET || !process.env.CLOUDFRONT_DOMAIN) {
    throw new Error('Missing required AWS environment variables [bucket name and cloudfront domain]');
}
let s3Client;
if (process.env.AWS_ACCESS_KEY_ID && process.env.AWS_SECRET_ACCESS_KEY) {
    // Configure AWS SDK v3
    s3Client = new S3Client({
        region: process.env.AWS_REGION || 'us-east-1',
        credentials: {
            accessKeyId: process.env.AWS_ACCESS_KEY_ID,
            secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
        },
    });
}
else {
    // Configure AWS SDK v3
    s3Client = new S3Client({
        region: process.env.AWS_REGION || 'us-east-1',
    });
}
/**
 * Resize an image (provided as a buffer) and upload it to S3.
 * @param {Buffer} fileBuffer - Image file as a buffer.
 * @param {number} width - Desired width.
 * @param {number} height - Desired height.
 * @param {string} outputKey - S3 object key (filename).
 * @returns {Promise<string>} - Returns the CloudFront URL of the uploaded file.
 */
export async function resizeAndUpload(fileBuffer, width, height, outputKey) {
    try {
        // Resize the image using sharp
        const resizedBuffer = await sharp(fileBuffer)
            .resize(width, height)
            .toBuffer();
        // Upload to S3 using AWS SDK v3
        const uploadParams = {
            Bucket: process.env.AWS_BUCKET,
            Key: outputKey,
            Body: resizedBuffer,
            ContentType: 'image/png',
        };
        const command = new PutObjectCommand(uploadParams);
        await s3Client.send(command);
        // Return the CloudFront URL
        return {
            url: `https://${process.env.CLOUDFRONT_DOMAIN}/${outputKey}`,
            message: 'File resized and uploaded successfully',
        };
    }
    catch (error) {
        console.error('Error processing image:', error);
        throw error;
    }
}