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jadelet

v2.0.0-pre.9

Published

Lightweight, elegant HTML templates

Downloads

31

Readme

Build Coverage Status

Jadelet

Pure and simple clientside templates

Jadelet is the cleanest and simplest way to describe your templates. It is a breeze to learn. Jadelet attributes correspond directly with HTML attributes. If you know HTML then you already know Jadelet.

Other libraries and frameworks put up barriers between you and the DOM. Like a dutiful servant, Jadelet brings the power of the DOM into your hands.

Jadelet is the smallest of all clientside templating libraries (< 5.8kb). But don't let its size fool you: it contains tremendous power.

Jadelet is free, MIT licensed, open source, non-GMO, and production ready.

Examples

Header

h1 @title
const HeaderTemplate = require("./header")
const headerElement = HeaderTemplate({
  title: "Hello world"
})

Button

button(@click) Say Hey
ButtonTemplate = require("./button")
buttonElement = ButtonTemplate({
  click: function() {
    alert("heyy")
  }
})

More examples

Getting Started

Install Jadelet:

npm install jadelet

Compile your templates:

node_modules/.bin/jadelet -d templates

This will create a .js version of each template in your templates directory.

Require your templates normally and let webpack or whatever other godforsaken bundler you use do its magic.

// main.js
mainTemplate = require("./templates/main");

document.body.appendChild(mainTemplate(data));

Road to 1.0

  • [x] Still under 2.5kb
  • [x] Don't Leak Resources
  • [x] Style Attributes
  • [x] Filters
  • [x] Changelog
  • [x] Example Playground
  • [x] | for text content
  • [x] Remove :filters
  • [x] Updated README.md
  • [ ] jadelet.com
  • [ ] Documentation
  • [ ] Getting Started Guide

FAQ

Is Jadelet safe from XSS?

Yes. Jadelet uses native DOM APIs to write string output as text nodes.

How do I use Jadelet to render HTML Elements?

Jadelet knows the type of objects it renders. When you pass an HTMLElement (or any other descendent of window.Node) it will insert it into the DOM as is.

.content
  h1 My Canvas
    @canvasElement
Template({
  canvasElement: document.createElement('canvas')
})

Is it production ready?

Yes, Jadelet's been used for years in production by glitch.com, whimsy.space, and danielx.net.

Is it performant?

Yes! And because it's just DOM stuff you can easily drop down to the native DOM APIs for the pieces of your app that need special optimization.

How can I contribute?

Open some issues, open some pull requests, let's talk it out :)

History

Jadelet was inspired by Haml and Jade. I kept removing features over the years until it was fast and simple enough for my tastes.

Gotchas

Templates must have only one root element, they will fail with multiple.

Good:

.root
  .one
  .two

Oopsies:

.one
.two

CLI

Command line interface for compiling templates.

Usage

Jadelet in, JavaScript out.

jadelet < template.jadelet > output.js

echo "h1#title @title" | jadelet

Options

-d, --directory [directory] Compile all .jadelet files in the given directory.

jadelet -d templates

--encoding [encoding] Encoding of files being read from --directory (default 'utf-8')

--exports, -e [name] Export compiled template as (default "module.exports")

When used with -d you can use $file to take on the stringified name of the current file. For example:

jadelet -d templates/ -e 'T[$file]'

The files will export as:

T["folder/subfolder/file"] = require('jadelet').exec(...)

--runtime, -r [runtime_name] Specifies the name of the globally available Jadelet runtime (default is "require('jadelet')").

If you are using jadelet-brower.js you'll want to replace this with 'Jadelet' so it can use the global in the browser.

jadelet -r "Jadelet" < template.jadelet > output.js