PUG To HTML
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PUG To HTML - Complete Guide
Pug to HTML converter transforms Pug template syntax into standard HTML markup. Pug (formerly Jade) is a clean, whitespace-sensitive template engine that compiles to HTML with features like mixins, includes, and template inheritance.
How It Works
Parse Pug's indentation-based syntax, process template features (mixins, includes, extends, conditionals, loops), and generate properly formatted HTML. Handle interpolation, attributes, and text content.
Technical Details
Pug features: tag.class#id shorthand, (attributes), indentation nesting, = for output, - for code, | for text, mixins (+name), includes (include file), extends/block for inheritance. Compiles at build time or runtime.
Common Use Cases
- Express.js Apps: Render Pug templates to HTML.
- Example:
res.render("template", data)
- Example:
- Static Sites: Compile Pug to static HTML files.
- Email Templates: Generate HTML emails from Pug.
- Component Development: Preview Pug components as HTML.
Code Examples
Pug Features and Output
// Pug with mixins and inheritance:
//- layout.pug
doctype html
html
head
title #{pageTitle}
block styles
body
block content
block scripts
//- page.pug
extends layout
block styles
link(rel="stylesheet" href="page.css")
block content
mixin card(title, content)
.card
.card-header= title
.card-body= content
h1= pageTitle
each item in items
+card(item.title, item.description)
// With data: { pageTitle: "My Page", items: [{title: "Card 1", description: "Desc 1"}] }
// HTML output:
<!DOCTYPE html>
<html>
<head>
<title>My Page</title>
<link rel="stylesheet" href="page.css">
</head>
<body>
<h1>My Page</h1>
<div class="card">
<div class="card-header">Card 1</div>
<div class="card-body">Desc 1</div>
</div>
</body>
</html>
Pug supports template inheritance (extends/block), reusable mixins, loops, and variable interpolation.
Tips & Best Practices
- Use extends for layout templates
- Create mixins for repeated components
- Interpolate: #{var} in text, = var for output
- &attributes() for dynamic attributes
- Use filters for markdown, etc: :markdown
Common Mistakes to Avoid
- Mixing tabs and spaces in indentation
- Forgetting to pass data to template
- Wrong block names in extends
- Not escaping user content (use != carefully)
- Circular includes
When to Use This Tool
Use Pug to HTML converter when developing Express.js apps, building static sites with Pug, testing templates, or learning Pug syntax.
Frequently Asked Questions
How do I include other files?
Use include path/to/file.pug to include another template. The included file is inserted at that point. Use extends for layout inheritance with block placeholders.
What are mixins?
Reusable template blocks. Define: mixin button(text) button.btn= text. Use: +button("Click me"). Like functions for templates. Can have parameters and blocks.
How do I handle conditionals?
if condition / else if / else. Also: unless (negated if), case/when for switch statements. Full JavaScript expressions in conditions.
Can I use JavaScript objects for attributes?
Yes. tag&attributes(obj) spreads object as attributes. Useful for dynamic attributes. Also works: tag(data-*=obj) for data attributes.
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Last updated: June 27, 2026
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