Most of the time when you make use of some library you need to include different resources in your page templates, in different places actually. Take highlight.js as an example, it's likely you will include the language styles in the head section and the related javascript at the bottom of the page. You will also need a custom little piece of javascript that renders the highlight when the page is loaded.

Further more, you don't want to include all these resources in all the pages, only in the pages where you need to highlight some code.

This plugin helps to organize all these resources in a way you only need to specify the bundle you want to load in the front matter of the pages where you really need it.

Installation

npm install metalsmith-bundles

Usage

Defining bundles

A bundle is a directory that contains three files, each of them represents a section where the resources are included.

├── /path/to/bundles
    ├── highlightjs
    │   ├── footer.html
    │   ├── head.html
    │   └── page.html

In each of the files you might want to have the inclusion of the needed resources, let's say:

// head.html
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.7.0/styles/monokai-sublime.min.css" />


// footer.html
<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.7.0/highlight.min.js"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.7.0/languages/javascript.min.js"></script>

<script>

    hljs.initHighlightingOnLoad();

</script>


// page.html is empty in this case

The front matter

To tell a page to use a bundle you just have to specify it in the front matter, the key is the directory name you created before.

// post.md

---
title: A post
description: A very simple post.

bundles:
    - highlightjs
---

<h1> {{ title }} </h1>

The templates

At this point you probably have a layout, let's tell Handlebars to include the needed resources.

...
<head>
    {{ bundles 'head' }}
</head>
<body>

    {{{ contents }}}

    <footer>
        {{ bundles 'footer' }}
    </footer>

</body>
...

The page section is meant to be included at the end of the content, you might include it at the end of your post template in the same way if needed: {{ bundles 'page' }}.

Using the plugin

var handlebars = require('handlebars');
var bundles = require('metalsmith-bundles').bundles;
var hbtbundles = require('metalsmith-bundles').registerBundles(handlebars);

new Metalsmith(__dirname)
    .use(bundles({
        directory: '/path/to/bundles'
    }))
    .build();

In this example only the post.md file will have all the resources, if you need the same in other pages you just have to specify the bundle name in the front matter.

`options` `Object`

directory String

The directory where the bundles definitions are.
extension String

Optional. The extension of each of the files defining a bundle section.

License

MIT License, see LICENSE for details.

Keywords

FAQs

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Package last updated on 31 Aug 2019

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Install

metalsmith-bundles