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This repo is no longer maintained. We recommend you use the liquidjs package instead.

Liquid with Node.js

This is a port of the original Liquid template engine from Ruby to Node.js. It uses Promises to support non-blocking/asynchronous variables, filters, and blocks.

Features

  • Supports asynchronous variables, tags, functions and filters (helpers)
  • Supports whitespace control
  • Allows custom tags and filters to be added
  • Supports full liquid syntax
  • Based on original Ruby code
  • High test coverage

What does it look like?

<ul id="products">
  {% for product in products %}
    <li>
      <h2>{{ product.name }}</h2>
      Only {{ product.price | price }}

      {{ product.description | prettyprint | paragraph }}
    </li>
  {% endfor %}
</ul>

Installation

npm install liquid

Usage

Liquid supports a very simple API based around the Liquid.Engine class. For standard use you can just pass it the content of a file and call render with an object.

const Liquid = require('liquid')
const engine = new Liquid.Engine()

engine
  .parse('hi {{name}}')
  .then(template => template.render({ name: 'tobi' }))
  .then(result => console.log(result))

// or

engine
  .parseAndRender('hi {{name}}', { name: 'tobi' })
  .then(result => console.log(result))

Usage with Connect and Express

app.get((req, res, next) => {
  engine
    .parseAndRender('hi {{name}}', { name: 'tobi' })
    .nodeify((err, result) => {
      if (err) {
        res.end('ERROR: ' + err)
      } else {
        res.end(result)
      }
    })
})

Registering new filters

engine.registerFilters({
  myFilter: input => {
    return String(input).toUpperCase()
  }
})

Registering new tags

Take a look at the existing tags to see how to implement them.

class MyTag extends Liquid.Tag {
  render () {
    return 'hello world'
  }
}

engine.registerTag('MyTag', MyTag)

Tests

npm test

Similar libraries

  • harttle/liquidjs (liquidjs on npm) is another actively maintained Liquid parser and render for Node.js
  • darthapo's Liquid.js is liquid ported to JavaScript to be run within the browser. It doesn't handle asynchrony.
  • tchype's Liquid.js is liquid-node wrapped to run in a browser.

License

MIT

Contributors ✨

Thanks goes to these wonderful people (emoji key):


Marcel Jackwerth

πŸ’» πŸ“–

Tony C. Heupel

πŸ’»

Chen Yangjian

πŸ’»

Henri Bergius

πŸ’»

Sam Tiffin

πŸ’»

Kris Ciccarello

πŸ’»

Cory Reed

πŸ’» πŸ’‘ πŸ“–

Sebastian Seilund

πŸ’»

Rob Loach

πŸ’»

Sarah Schneider

πŸ’»

Zeke Sikelianos

πŸ’» πŸ“– 🚧

This project follows the all-contributors specification. Contributions of any kind welcome!

About

πŸ’§ Node.js port of the Liquid template engine

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