Question 1

How to use handlebars-rust with Actix web?

Accepted Answer

Reference the Actix example in the README, which provides a basic integration pattern; however, you may need to manage the registry and data serialization manually, as it's not a built-in middleware.

Question 2

handlebars-rust vs Tera: which is better for Rust?

Accepted Answer

Choose handlebars-rust if you need Handlebars syntax compatibility or WebAssembly support; Tera is better for Jinja2-like syntax and might offer more Rust-centric features, but lacks Handlebars ecosystem ties.

Question 3

Can handlebars-rust generate static site HTML?

Accepted Answer

Yes, it can render templates to files or strings, making it suitable for static site generators; examples like render_file.rs show how to output to files directly.

Question 4

How to create a custom helper in handlebars-rust?

Accepted Answer

Use the handlebars_helper! macro for simple functions, implement the HelperDef trait for complex logic, or enable script_helper to write helpers in Rhai script, as detailed in the render example.

Question 5

Does handlebars-rust work with existing handlebars.js templates?

Accepted Answer

Generally yes for basic syntax, but custom JavaScript helpers must be rewritten in Rust or Rhai, and some edge cases might differ due to Rust's stricter type system.

Question 6

Is auto-reload in dev_mode suitable for production?

Accepted Answer

No, dev_mode is intended for development only, as it incurs file I/O overhead; disable it in production for better performance and stability.

handlebars-rust

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