Question 1

How does Eml compare to Phoenix's EEx templates?

Accepted Answer

Eml treats HTML as first-class Elixir data for programmatic manipulation, offering better composability, while EEx is a string-based templating engine integrated with Phoenix. Eml is more powerful for complex logic but requires a shift from traditional templates.

Question 2

How to create a reusable component like a dropdown with Eml?

Accepted Answer

Use the component macro to define a template function that accepts attributes and content via assigns. For example, define a dropdown component with handlers for items and events, then compile it dynamically, as shown in the components section of the walkthrough.

Question 3

What happens if I try to parse messy HTML with Eml?

Accepted Answer

Eml's parser may fail on HTML with unquoted attributes or improperly closed tags, as it's optimized for its own output. For arbitrary HTML, you might need pre-processing or a different library, due to the parser's limitations noted in the README.

Question 4

Can I use Eml with the Phoenix framework for web apps?

Accepted Answer

Yes, Eml can be integrated into Phoenix for view generation, but it's not a drop-in replacement. You'll need to adapt your views to use Eml's markup structures instead of EEx templates, potentially requiring custom helpers or layouts.

Question 5

How do I handle user input safely in Eml to avoid XSS?

Accepted Answer

Eml lacks built-in XSS protection, so developers must manually escape or sanitize user input using Elixir functions like String.replace or external libraries before encoding it into markup, as security is minimally addressed.

Question 6

Is Eml good for building dynamic admin panels in Elixir?

Accepted Answer

Yes, Eml's ability to treat markup as data makes it well-suited for dynamic interfaces with complex logic, such as admin panels. Components and templates allow reusable, performant generation of HTML based on Elixir state and functions.

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