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jade

A clean, whitespace-sensitive template language for writing HTML

1.11.0
latest
Source
npm

Version published: 9 years ago

Weekly downloads: 1M; increased by0.18%

Maintainers: 4

Weekly downloads

Created: 14 years ago

What is jade?

Jade, now known as Pug, is a high-performance template engine heavily influenced by Haml and implemented with JavaScript for Node.js and browsers. It is used to generate HTML dynamically and is known for its clean and minimal syntax.

What are jade's main functionalities?

Template Rendering

Jade allows you to render HTML templates with dynamic data. In this example, a simple template is rendered with a variable 'name' which is replaced with 'World'.

const pug = require('pug');
const html = pug.render('p Hello, #{name}!', { name: 'World' });
console.log(html);

Template Inheritance

Jade supports template inheritance, allowing you to create a base template and extend it in other templates. This example demonstrates how 'index.pug' extends 'layout.pug' and defines a content block.

const pug = require('pug');
const html = pug.renderFile('index.pug');
console.log(html);
// index.pug
// extends layout.pug
// block content
//   h1= title
//   p Welcome to #{title}
// layout.pug
// doctype html
// html
//   head
//     title= title
//   body
//     block content

Mixins

Mixins in Jade allow you to create reusable blocks of code. This example shows a mixin 'list' that generates an unordered list from an array of items.

const pug = require('pug');
const html = pug.renderFile('mixin.pug');
console.log(html);
// mixin.pug
// mixin list(items)
//   ul
//     each item in items
//       li= item
// +list(['Apple', 'Banana', 'Cherry'])

Other packages similar to jade

Full documentation is at jade-lang.com

Jade is a high performance template engine heavily influenced by Haml and implemented with JavaScript for node and browsers. For bug reports, feature requests and questions, open an issue. For discussion join the chat room.

You can test drive Jade online here.

Installation

via npm:

$ npm install jade

Syntax

Jade is a clean, whitespace sensitive syntax for writing html. Here is a simple example:

doctype html
html(lang="en")
  head
    title= pageTitle
    script(type='text/javascript').
      if (foo) bar(1 + 5)
  body
    h1 Jade - node template engine
    #container.col
      if youAreUsingJade
        p You are amazing
      else
        p Get on it!
      p.
        Jade is a terse and simple templating language with a
        strong focus on performance and powerful features.

becomes

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Jade</title>
    <script type="text/javascript">
      if (foo) bar(1 + 5)
    </script>
  </head>
  <body>
    <h1>Jade - node template engine</h1>
    <div id="container" class="col">
      <p>You are amazing</p>
      <p>Jade is a terse and simple templating language with a strong focus on performance and powerful features.</p>
    </div>
  </body>
</html>

The official jade tutorial is a great place to start. While that (and the syntax documentation) is being finished, you can view some of the old documentation here and here

API

For full API, see jade-lang.com/api

var jade = require('jade');

// compile
var fn = jade.compile('string of jade', options);
var html = fn(locals);

// render
var html = jade.render('string of jade', merge(options, locals));

// renderFile
var html = jade.renderFile('filename.jade', merge(options, locals));

Options

filename Used in exceptions, and required when using includes
compileDebug When false no debug instrumentation is compiled
pretty Add pretty-indentation whitespace to output (false by default)

Browser Support

The latest version of jade can be download for the browser in standalone form from here. It only supports the very latest browsers though, and is a large file. It is recommended that you pre-compile your jade templates to JavaScript and then just use the runtime.js library on the client.

To compile a template for use on the client using the command line, do:

$ jade --client --no-debug filename.jade

which will produce filename.js containing the compiled template.

Command Line

After installing the latest version of node, install with:

$ npm install jade -g

and run with

$ jade --help

Additional Resources

Tutorials:

cssdeck interactive Jade syntax tutorial
cssdeck interactive Jade logic tutorial
Jade について。 (A Japanese Tutorial)
Jade - 模板引擎

Implementations in other languages:

Other:

Emacs Mode
Vim Syntax
TextMate Bundle
Coda/SubEtha syntax Mode
Screencasts
html2jade converter
jade2php converter
Jade Server Ideal for building local prototypes apart from any application

License

MIT

FAQs

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Package last updated on 12 Jun 2015

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jade

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