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![SailFish](./resources/logo.png)

Simple, small, and extremely fast template engine for Rust

![Tests](https://github.com/rust-sailfish/sailfish/workflows/Tests/badge.svg)![Version](https://img.shields.io/crates/v/sailfish)![dependency status](https://deps.rs/repo/github/rust-sailfish/sailfish/status.svg)![Rust 1.60](https://img.shields.io/badge/rust-1.60+-lightgray.svg)![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)

[User Guide](https://rust-sailfish.github.io/sailfish/) | [API Docs](https://docs.rs/sailfish) | [Examples](./examples)

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## ✨ Features

- Simple and intuitive syntax inspired by [EJS](https://ejs.co/)
- Include another template file inside template
- Built-in filters
- Minimal dependencies (<15 crates in total)
- Extremely fast (See [benchmarks](https://github.com/djc/template-benchmarks-rs))
- Better error message
- Syntax highlighting support ([vscode](./syntax/vscode), [vim](./syntax/vim))
- Works on Rust 1.89 or later

## 🐟 Example

Dependencies:

```toml
[dependencies]
sailfish = "0.10.1"
```

You can choose to use `TemplateSimple` to access fields directly:

> Template file (templates/hello.stpl):
>
> ```erb
> <html>
>   <body>
>     <% for msg in messages { %>
>       <div><%= msg %></div>
>     <% } %>
>   </body>
> </html>
> ```
>
> Code:
>
> ```rust
> use sailfish::TemplateSimple;
> 
> #[derive(TemplateSimple)]
> #[template(path = "hello.stpl")]
> struct HelloTemplate {
>     messages: Vec<String>
> }
> 
> fn main() {
>     let ctx = HelloTemplate {
>         messages: vec![String::from("foo"), String::from("bar")],
>     };
>     println!("{}", ctx.render_once().unwrap());
> }
> ```

Or use the more powerful `Template/TemplateMut/TemplateOnce`:

> Template file (templates/hello.stpl):
>
> ```erb
> <html>
>   <body>
>     <% for msg in &self.messages { %>
>       <div><%= msg %></div>
>     <% } %>
>     <div><%= self.say_hello() %></div>
>   </body>
> </html>
> ```
>
> Code:
>
> ```rust
> use sailfish::Template;
> 
> #[derive(Template)]
> #[template(path = "hello.stpl")]
> struct HelloTemplate {
>     messages: Vec<String>
> }
> 
> impl HelloTemplate {
>     fn say_hello(&self) -> String {
>         String::from("Hello!")
>     }
> }
> 
> fn main() {
>     let ctx = HelloTemplate {
>         messages: vec![String::from("foo"), String::from("bar")],
>     };
>     println!("{}", ctx.render().unwrap());
> }
> ```

You can find more examples in [examples](./examples) directory.

## 🐾 Roadmap

- `Template` trait ([RFC](https://github.com/rust-sailfish/sailfish/issues/3))
- Template inheritance (block, partials, etc.)

## 👤 Author

🇯🇵 **Ryohei Machida**

* GitHub: [@Kogia-sima](https://github.com/Kogia-sima)

## 🤝 Contributing

Contributions, issues and feature requests are welcome!

Since sailfish is an immature library, there are many [planned features](https://github.com/rust-sailfish/sailfish/labels/Type%3A%20RFC) that is on a stage of RFC. Please leave a comment if you have an idea about its design!

Also I welcome any pull requests to improve sailfish! Find issues with [Status: PR Welcome](https://github.com/rust-sailfish/sailfish/issues?q=is%3Aissue+is%3Aopen+label%3A%22Status%3A+PR+Welcome%22) label, and [let's create a new pull request](https://github.com/rust-sailfish/sailfish/pulls)!

## Show your support

Give a ⭐️ if this project helped you!

## 📝 License

Copyright © 2020 [Ryohei Machida](https://github.com/Kogia-sima).

This project is [MIT](https://github.com/rust-sailfish/sailfish/blob/master/LICENSE) licensed.

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