![]() ![]() The partial template contains the regular doctype, html and head with some additional styles attached. Let’s modify the shortcodes/code-preview.html again: Īs including the whole boilerplate inside the srcdoc attribute wouldn’t be handy, we define an inline partial template and reference it in the srcdoc attribute. We will modify the code preview to apply the boilerplate to every instance and also add some reset styles on top of that. We can already achieve that by including the boilerplate in the code-preview-file fragments of language html It’s sometimes desirable to have them inside the iframe. While elements such as, aren’t necessary in HTML5, With shortcodes we can expect to define something similar to:įancy! Applying default styles to the content # We will focus on Hugo and native Go’s templating features, but this can be easily translated to other templating languages. If you are using a static site generator such as Hugo or Jekyll Getting rid of code duplication with templates # They’re transferable to other technologies, but expect to spend some time converting the ideas shown here. Warning: the rest of the article makes a heavy use of Hugo’s features. Or you might continue reading to get a full solution with language-based highlighting, and nice styles. You can stop here and experiment with the idea yourself, This proves the feasibility to build code previews using iframes. The main one is that you need to duplicate the code. The preview looks okay for now, but we start to see some drawbacks. Hello world!The following example shows what we will achieve. We will build a simple code preview with javascript support and code listings. Building a simple code preview # What we will build # It will be simple, inline, lightweight, durable and secure. If you don’t need all the fancy features this writeup will guide you through building a local code preview that works with your static site generator. It’s a good idea to think twice before relying on any third-parties if your or your company’s website is at stake. There are of course bigger and lesser offenders.
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