Instant Handlebars.js – A short but effective how-to guide – #programming #bookreview

Instant Handlebars.js

Learn how to create and implement HTML templates into your projects using the Handlebars library
Gabriel Manricks
(Packt Publishing – e-book, paperback)

“Short, fast, and focused.” These are the three promises offered for Gabriel Manricks’ new book, Instant Handlebars.js, from Packt Publishing. And, at just 62 pages in print format, it lives up to those vows.

Manricks explains and demonstrates Handlebars using five well-structured sections. First, he introduces Handlebars.js and describes what a templating engine is and does. He notes that “[t]he purpose of using a templating engine such as Handlebars is to generate some kind of viewable content (usually HTML pages), dynamically.” He then shows how to download the Handlebars library and create a “Hello {{name}}” template and a simple helper.

His “Top 6 Features you need to know about” section goes to the heart of Handlebars.js and shows how you can organize large projects and pre-compile templates.

The Top 6 topics include: (1) Expressions—“the core of templates”; (2) Helpers—“[t]hese are where Handlebars gets its extendibility”; (3) Partials—“the building blocks of the template world” and important for modular design; (4) Structuring a Handlebars app—the pros and cons of various potential structures; (5) Pre-compilation—which can lead to “a more optimized and efficient site”; and (6) Logging and comments—“writing clear and debug-able templates and helpers, so you can easily test and maintain them in the future.”

In the book’s final section, “People and places you should get to know,” Manricks describes some individuals and websites you should follow so you can “stay up to date and dive deeper into the Handlebars community.”

Despite its small page count, the book contains numerous short code examples that show how to put Handlebars.js to work in HTML files.

You need at least some modest experience with JavaScript and HTML to get full benefit from this book. You also will make brief use of Node.js to install Handlebars.js.

If you have done any work with Ember.js, you already have picked up some Handlebars.js experience. However, even here, this short, handy guide can help you get a better understanding of how to use Handlebars, with or without Ember.

Instant Handlebars.js can be ordered in e-book or paperback format direct from Packt Publishing’s website. Or, the Kindle version and the paperback can be ordered via Amazon.

Si Dunn

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