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Yew Trunk Template

This is a fairly minimal template for a Yew app that's built with Trunk.


For a more thorough explanation of Trunk and its features, please head over to the repository.


If you don't already have it installed, it's time to install Rust: https://www.rust-lang.org/tools/install. The rest of this guide assumes a typical Rust installation which contains both rustup and Cargo.

To compile Rust to WASM, we need to have the wasm32-unknown-unknown target installed. If you don't already have it, install it with the following command:

rustup target add wasm32-unknown-unknown

Now that we have our basics covered, it's time to install the star of the show: Trunk. Simply run the following command to install it:

cargo install trunk wasm-bindgen-cli

That's it, we're done!


trunk serve

Rebuilds the app whenever a change is detected and runs a local server to host it.

There's also the trunk watch command which does the same thing but without hosting it.


trunk build --release

This builds the app in release mode similar to cargo build --release. You can also pass the --release flag to trunk serve if you need to get every last drop of performance.

Unless overwritten, the output will be located in the dist directory.

Using this template

There are a few things you have to adjust when adopting this template.

Remove example code

The code in src/main.rs specific to the example is limited to only the view method. There is, however, a fair bit of Sass in index.scss you can remove.

Update metadata

Update the name, version, description and repository fields in the Cargo.toml file. The index.html file also contains a <title> tag that needs updating.

Finally, you should update this very README file to be about your app.


The template ships with both the Apache and MIT license. If you don't want to have your app dual licensed, just remove one (or both) of the files and update the license field in Cargo.toml.

There are two empty spaces in the MIT license you need to fill out: `` and NGnius (Graham) <ngniusness@gmail.com>.