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Node.js module for rendering beautiful emails with ejs templates and email-friendly inline CSS using juice.
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README.md

Node Email Templates

NPM version Build Status NPM downloads Test Coverage Static Analysis MIT License Gitter js-standard-style

Node.js NPM package for rendering beautiful emails with your template engine and CSS pre-processor of choice coupled with email-friendly inline CSS using juice.

Enjoy this package? Check out eskimo and express-cdn, and follow @niftylettuce!

Index

Email Templates

For customizable, pre-built email templates, see Email Blueprints and Transactional Email Templates.

Supported Template Engines

Supported CSS Pre-processors

Prerequisites

Important Note for Windows Users

Developing on OS X or Ubuntu/Linux is recommended, but if you only have access to a Windows machine you can do one of the following:

Installation

Install email-templates and the engines you wish to use by adding them to your package.json dependencies.

npm install --save email-templates
npm install -S [ejs|jade|swig|handlebars|emblem|dust-linkedin]

Quick Start

  1. Install the module for your respective project:

    npm install --save email-templates@2
  2. Install the template engine you intend to use:

    • ejs@^2.0.0
    • jade@^1.0.0
    • swig@^1.0.0
    • handlebars@^3.0.0
    • dust-linkedin@^2.0.0
    • less@^2.0.0
    • stylus@^0.51.0
    • styl@^0.2.0
    • node-sass@^3.0.0
    npm install --save <engine>
  3. For each of your email templates (e.g. a welcome email to send to users when they register on your site), respectively name and create a folder.

    mkdir templates/welcome-email
  4. Add the following files inside the template's folder:

    • html.{{ext}} (required)
    • text.{{ext}} (optional)
    • style.{{ext}}(optional)

    See supported template engines for possible template engine extensions (e.g. .ejs, .jade, .swig) to use for the value of {{ext}} above.

    You may prefix any file name with anything you like to help you identify the files more easily in your IDE. The only requirement is that the filename contains html., text., and style. respectively.

  5. You may use the include directive from ejs (for example, to include a common header or footer). See the /examples folder for details.

Template Engine Options

If your want to configure your template engine, just pass options.

Want to use different opening and closing tags instead of the EJS's default <% and %>?.

new EmailTemplate(templateDir, { delimiter: '?' })

You can also directly modify the template engine

// ...
Handlebars.registerPartial('name', '{{name.first}} {{name.last}}')
Handlebars.registerHelper('capitalize', function (context) {
  return context.toUpperCase()
})
new EmailTemplate(templateDir)
// ...

You can also pass a juiceOptions object to configure the output from juice

new EmailTemplate(templateDir, {juiceOptions: {
  preserveMediaQueries: false,
  removeStyleTags: false
}})

You can check all the options in juice's documentation

Examples

Basic

Render a single template (having only loaded the template once).

var EmailTemplate = require('email-templates').EmailTemplate
var path = require('path')

var templateDir = path.join(__dirname, 'templates', 'newsletter')

var newsletter = new EmailTemplate(templateDir)
var user = {name: 'Joe', pasta: 'spaghetti'}
newsletter.render(user, function (err, results) {
  // result.html
  // result.text
})

var async = require('async')
var users = [
  {name: 'John', pasta: 'Rigatoni'},
  {name: 'Luca', pasta: 'Tortellini'}
]

async.each(users, function (user, next) {
  newsletter.render(user, function (err, results) {
    if (err) return next(err)
    // result.html
    // result.text
  })
}, function (err) {
  //
})

Render a template for a single email or render multiple (having only loaded the template once) using Promises.

var path           = require('path')
var templateDir   = path.join(__dirname, 'templates', 'pasta-dinner')
var EmailTemplate = require('email-templates').EmailTemplate

var template = new EmailTemplate(templateDir)
var users = [
  {
    email: 'pappa.pizza@spaghetti.com',
    name: {
      first: 'Pappa',
      last: 'Pizza'
    }
  },
  {
    email: 'mister.geppetto@spaghetti.com',
    name: {
      first: 'Mister',
      last: 'Geppetto'
    }
  }
]

var templates = users.map(function (user) {
  return template.render(user)
})

Promise.all(templates)
  .then(function (results) {
    console.log(results[0].html)
    console.log(results[0].text)
    console.log(results[1].html)
    console.log(results[1].text)
  })

More

Please check the examples directory

Contributors

Full list of contributors can be found on the GitHub Contributor Graph

License

MIT

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