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https://github.com/zepochs/nestjs-mailer

🌈 A simple implementation example with and without email-templates using mailer module for nest js built on top of nodemailer.
https://github.com/zepochs/nestjs-mailer

ejs handlebars kit nestjs nestjs-mailer nestjsmailer nodemailer outlook pug sender smtp

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🌈 A simple implementation example with and without email-templates using mailer module for nest js built on top of nodemailer.

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README

        



Nest Logo


Demo implementation on the mailer modules for Nest framework (node.js) using Nodemailer library

## Nestjs-mailer starter kit / project for your NestJs project.

### Goals

The main goal of this kit is to quickly get you started on your project with Nestjs Mailer, bringing a solid layout foundation to work upon.

### Usage

Import the MailerModule into the root AppModule

Synchronous import

```javascript
//app.module.ts
import { Module } from '@nestjs/common';
import { MailerModule } from '@nestjs-modules/mailer';
import { HandlebarsAdapter } from '@nestjs-modules/mailer/dist/adapters/handlebars.adapter';

@Module({
imports: [
MailerModule.forRoot({
transport: {
host: 'smtp.example.com',
port: 587,
secure: false, // upgrade later with STARTTLS
auth: {
user: "username",
pass: "password",
},
},
defaults: {
from:'"nest-modules" ',
},
template: {
dir: process.cwd() + '/templates/',
adapter: new HandlebarsAdapter(), // or new PugAdapter()
options: {
strict: true,
},
},
}),
],
})
export class AppModule {}
```

Asynchronous import

```typescript
//app.module.ts
import { Module } from '@nestjs/common';
import { MailerModule } from '@nestjs-modules/mailer';
import { HandlebarsAdapter } from '@nestjs-modules/mailer/dist/adapters/handlebars.adapter';

@Module({
imports: [
MailerModule.forRootAsync({
useFactory: () => ({
transport: {
host: 'smtp.example.com',
port: 587,
secure: false, // upgrade later with STARTTLS
auth: {
user: "username",
pass: "password",
},
},
defaults: {
from:'"nest-modules" ',
},
template: {
dir: process.cwd() + '/templates/',
adapter: new HandlebarsAdapter(), // or new PugAdapter() or new EjsAdapter()
options: {
strict: true,
},
},
}),
}),
],
})
export class AppModule {}
```

* We have used Handlebars in above example, for EJS and Pug use below mentioned example of adapter import

Pug

```javascript
//app.module.ts
import { Module } from '@nestjs/common';
import { MailerModule } from '@nestjs-modules/mailer';
import { PugAdapter } from '@nestjs-modules/mailer/dist/adapters/pug.adapter';

```

EJS

```javascript
//app.module.ts
import { Module } from '@nestjs/common';
import { MailerModule } from '@nestjs-modules/mailer';
import { EjsAdapter } from '@nestjs-modules/mailer/dist/adapters/ejs.adapter';

```

After this, MailerService will be available to inject across entire project, for example in this way :

```typescript
import { Injectable } from '@nestjs/common';
import { MailerService } from '@nestjs-modules/mailer';

@Injectable()
export class ExampleService {
constructor(private readonly mailerService: MailerService) {}
}
```

MailerProvider exports the `sendMail()` function to which you can pass the message options (sender, email subject, recipient, body content, etc)

`sendMail()` accepts the same fields as [nodemailer email message](https://nodemailer.com/message/)

```typescript
import { Injectable } from '@nestjs/common';
import { MailerService } from '@nestjs-modules/mailer';

@Injectable()
export class ExampleService {
constructor(private readonly mailerService: MailerService) {}

public example(): void {
this
.mailerService
.sendMail({
to: '[email protected]', // list of receivers
from: '[email protected]', // sender address
subject: 'Testing Nest MailerModule ✔', // Subject line
text: 'welcome', // plaintext body
html: 'welcome', // HTML body content
})
.then((success) => {
console.log(success)
})
.catch((err) => {
console.log(err)
});
}

public example2(): void {
this
.mailerService
.sendMail({
to: '[email protected]',
from: '[email protected]',
subject: 'Testing Nest Mailermodule with template ✔',
template: 'index', // The `.pug` or `.hbs` extension is appended automatically.
context: { // Data to be sent to template engine.
code: 'cf1a3f828287',
username: 'john doe',
},
})
.then((success) => {
console.log(success)
})
.catch((err) => {
console.log(err)
});
}

public example3(): void {
this
.mailerService
.sendMail({
to: '[email protected]',
from: '[email protected]',
subject: 'Testing Nest Mailermodule with template ✔',
template: '/index', // The `.pug` or `.hbs` extension is appended automatically.
context: { // Data to be sent to template engine.
code: 'cf1a3f828287',
username: 'john doe',
},
})
.then((success) => {
console.log(success)
})
.catch((err) => {
console.log(err)
});
}
}
```

Make a template named folder at the root level of the project and keep all the email-templates in the that folder with `.hbs` extension.
This implementation uses handlebars as a view-engine and outlook as the smtp.

### Configuration

Dotenv module has been used for sender's email and password keep. This kit is implemented with outlook smtp, while we can make changes in the `app.module.ts` configurations for other services. As the nestjs-mailer is built on top of nodemailer, the required configurations can be found here Nodemailer / smtp.

*Special thanks to https://github.com/leemunroe/responsive-html-email-template for providing email-templates*