Email Sender with attachments using: - SES AWS SDK v3 (SendRawEmail) - Nodemailer (MailComposer)

EmailSender.ts

import { Logger } from "@aws-lambda-powertools/logger";
import { SESClient, SendRawEmailCommand } from "@aws-sdk/client-ses";
import MailComposer from 'nodemailer/lib/mail-composer/index.js';

type RawEmailCommandInput = {
    from: string;
    to: string;
    subject: string;
    text?: string;
    html?: string;
    attachments?: {
        filename?: string;
        content?: string;
        path?: string;
    }[]
}

export class EmailSender {
    private client: SESClient;

    constructor(private logger: Logger) {
        this.client = new SESClient({});
    }

    public async execute(xxx: any) {
        const command = await this.createSendRawEmailCommand({
            from: 'xx@xx.xx',
            to: 'xx@xx.xx',
            subject: 'xx yy',
            html: `xyz`,
            attachments: [
                {
                    filename: 'license.txt',
                    path: 'https://raw.github.com/andris9/Nodemailer/master/LICENSE'
                },
                {
                    filename: `xxx.xyz`,
                    content: xxx
                },
            ]
        });
        const data = await this.client.send(command);
    }

    private async createSendRawEmailCommand(input: RawEmailCommandInput) {
        // https://nodemailer.com/extras/mailcomposer/
        const rawMessageData = await new MailComposer({
            from: input.from,
            sender: input.from,
            to: input.to,
            subject: input.subject,
            text: input.text,
            html: input.html,
            attachments: input.attachments
        }).compile().build();
        return new SendRawEmailCommand({
            Source: input.from,
            Destinations: [ input.to ],
            RawMessage: { Data: rawMessageData }
        });
    }
}