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Email service for node clients to send emails via sendgrid

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Email service

Email service for node clients to send emails via sendgrid and mailcatcher

Getting Started

Installation

Add this line in package.json "@kudosinc/email-service": "git+https://git@github.com/KudosInc/email-service.git#v1.0.0" and run npm install.

Setting up for smtp

Following environment varialbes need to be set to send mail via smtp.

Assuming you already have smtp running locally via docker on the port 1025 and the service name is smtp, set these environment variables

EMAIL_CLIENT=smtp
SMTP_HOST=mailcatcher
SMTP_PORT=1025
SMTP_USER_NAME=username
SMTP_PASSWORD=password

Setting up for sendgrid

To send emails via sendgrid, a template should be created in the sendgrid app, as this service sends email only using the template id.

Set the following environment variables to configure email service to send emails via sengrid

EMAIL_CLIENT=sendgrid
SENDGRID_API_KEY=your_key

Creating templates

To send emails via sendgrid, we need templates created in the sendgrid, and we use the template_id as the sent parameter. The email templates can be cretead in the sendgrid app

Send Emails

To send emails look at the example below.

const emailService = require('@kudosinc/email-service');

await emailService.sendMail({
  html: 'valid html', //optional, will be respected only in smtp
  to: [{ email: 'test@test.com', name: 'test test' }],
  from: { email: 'sender@test.com', name: 'sender sender' },
  params: { name: 'sender', company: 'Kudos Inc' }, // required for sendgrid, optional for smtp
  templateId: 'template-id', // required for sendgrid to work
  subject: 'Subject of the email',
});

To send an email with local template

const sendEmail = async () => {
  await emailService.sendMail({
    to: [{ email: 'test@test.com', name: 'test test' }],
    from: { email: supportEmail, name: 'Kudos Administrator' },
    params: {
      user: { name: 'John Doe' },
    },
    template: 'relative/path/to/your/pug/template', 
  });
};

Pug template structure

In order for the pug template to work, it is required to create follow the following structure:
Folder(email)/Foler(template)/html.pug and subject.pug at the same level please follow the link for more details https://www.npmjs.com/package/email-templates Note: If the html value is not set when using smtp, it'll concatenate all parameters as a list, and display them as html. The smtp option will not fetch the template html from sendgrid, so the display will not be the same.