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odesza

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odesza

Write clean, expressive templates with just HTML and inline JavaScript

0.7.0
Source
npm

Version published: 9 years ago

Weekly downloads: 3; increased by50%

Maintainers: 1

Weekly downloads

Created: 9 years ago

Source

Odesza

Odesza is a templating engine that allows you to write clean, expressive templates with inline JavaScript. Think of it as JS template strings, but for anything.

multiple inheritance (extends, includes, block scope)
full access to inline ES6 JavaScript
support for Express framework
no "magic" or new shorthand to learn

Goal

Take inheritance, partials, and inline JS ideas from Jade and strip away the "magic" and shorthand HTML syntax.

Syntax

Variables are passed in when Odesza templates are rendered. Scope is maintained through includes and extends. You can also treat ${} as a function statement.

hello.ode

<html>
<head>
  <title>${title}</title>
</head>
<body>
  <p>
    Welcome, ${names.join(', ')}!
  </p>
</body>
</html>

code

var vars = {
  title: 'hello world',
  names: ['foo', 'bar']
};

odesza.renderFile('hello.ode', vars);

output

<html>
<head>
  <title>hello world</title>
</head>
  <p>
    Welcome, foo, bar
  </p>
</body>
</html>

Including Partials

Odesza makes it easy to nest templates within each other. You can include templates as many levels deep as you like. Variables maintain scope in included files.

greeting.ode

hello!

welcome.ode

include greeting

welcome, ${name}!

question.ode

include welcome

would you like to play a game, ${name}?

code

var vars = {
  name: 'foo'
};

odesza.renderFile('question,ode', vars);

output

hello!
welcome, foo!

would you like to play a game, foo?

Inheritance

Odesza gives you access to multiple inheritance through extending templates and block scopes.

layout.ode

<!doctype html>

<html>
  <head>
    <title>${title}</title>
    block js
  </head>
  <body>
    block content
  </body>
</html>

page.ode (extends layout.ode)

extends layout

block js
<script src="${base_path}/page.js"></script>
endblock

block content
<p>
  Some content.
</p>
endblock

extended_page.ode (extends page.ode, overwrites 'content' block)

extends page

block content
<p>
  Overwritten content.
</p>
endblock

code

var vars = {
  title: 'hello world',
  base_path: 'public/js'
};

odesza.renderFile('extended_page.ode', vars);

output

<!doctype html>

<html>
  <head>
    <title>hello world</title>
    <script src="public/js/page.js"></script>
  </head>
  <body>
    <p>
      Overwritten content.
    </p>
  </body>
</html>

Inline JavaScript

Odesza makes it easy to write inline JavaScript in your templates. Under the hood, templates are evaluated as ES6 template strings, which means you have access to ${} expressions. If you need more flexibility with inline js, you can create a self-executing function expression with code inside it like this: ${(() => { ... })()}.

greetings.ode

<h2>welcome ${names.join(', ')}!</h2>

${(() => {

  // this is a self-executing function expression inside an ES6 template string.
  // essentially that means you can write any inline js you want here. the
  // following code is to demonstrate how you can programatically generate HTML.

  var items = [];

  names.forEach((name, index) => {
    items.push(`<div>${index + 1}: ${name}</div>`);
  });

  return items.join('<br/>');

})()}

code

var vars = {
  names: ['wells', 'joe', 'dom']
};

odesza.renderFile('greetings.ode', vars);

output

<h2>welcome wells, joe, dom!</h2>
<div>1: wells</div><br/>
<div>2: joe</div><br/>
<div>3: dom</div>

Express Support

index.js

app.set('view engine', 'ode');
app.engine('.ode', require('odesza').__express);

controller

res.render('template', {
  foo: 'bar'
});

Command Line

You can compile odesza templates from the command line to stdout or an output file.

odesza <file> [-o <output>]

Install

npm install odesza --save

License

MIT

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Package last updated on 24 Dec 2015

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